The country won 45 silver medals and 75 bronze medals, for a total of 45 + 75 = 120 non-gold medals.
What is Medal?A medal is a small, flat, and usually round piece of metal that is awarded to individuals or groups as a symbol of recognition or honor for achievement, bravery, or other notable deeds. Medals can be made of various materials, such as gold, silver, bronze, or other alloys, and they often feature intricate designs or engravings that reflect the significance of the award.
According to question:According to the circle graph, gold medals make up 20% of the total medals, which means the country won 20% of 150 medals as gold, or 0.2 x 150 = 30 gold medals.
Similarly, silver medals make up 30% of the total medals, which means the country won 30% of 150 medals as silver, or 0.3 x 150 = 45 silver medals.
Finally, bronze medals make up 50% of the total medals, which means the country won 50% of 150 medals as bronze, or 0.5 x 150 = 75 bronze medals.
Therefore, the country won 45 silver medals and 75 bronze medals, for a total of 45 + 75 = 120 non-gold medals.
So the answer is 120.
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Consider the function f(x) graphed below.
Solve the inequality f(x) ≥0
State your answer using interval notation.
Assume arrows if no symbols are shown at the ends of the graph
Answer:
(-∝, 0)
Step-by-step explanation
f(x) will extend from negative infinity and approach but never reach the point where x = 0.
So the solution is x > -infinity and < 0.
Determine the length of the missing side of the given triangle. Round to the nearest tenth.
The hypotenuse is 7.7
The leg is 3.4
Answer:
6.9 or 7.0 .
Step-by-step explanation:
*Note that ^2 means raised to the power of two or squared
a^2 + b^2 = c^2
The hypotenuse is always the C, and the leg can be either a or b.
Fill in the blanks with the numbers that we have:
Hypotenuse: 7.7 | Leg: 3.4
3.4^2 + b^2 = 7.7^2
Square the numbers given
3.4 x 3.4 = 11.56
7.7 x 7.7 = 59.29, which leads us to:
11.56 + b^2 = 59.29
To find what b equals, we need to subtract 11.56 from 59.29
59.29 - 11.56 = 47.73
b^2 = 47.73
We need to take the square root of 47.73 to find b. b and b^2 are two different things.
The square root of 47.73 is about 6.90869017977. It asks for the answer to be rounded to the nearest tenth, giving us 6.9 or 7.0.
HELP! I WILL MAKE U BRAINLIST! DUE BY 12:00 AM!
I have inserted what you need to do and just search Buzzfeed "Can TV Make Us Not Hate Ourselves?" and read it!
I often see myself represented in the media as a strong, independent woman who lives fearlessly and passionately. I'm a black woman, and I'm proud to be a part of the diverse range of people in our society.
What is passionately ?Passionately is an adjective that describes a person who is filled with intense emotion and enthusiasm. This can be expressed through action or behavior. When someone is passionate about something, they often feel an overwhelming urge to pursue it with great intensity. Being passionate about something is often associated with seeking to make a difference or make an impact on the world.
My representation in the media is not always positive, however. I've been depicted as being too opinionated, too outspoken, or too headstrong. I'm often seen as a stereotype, or as someone who doesn't fit into the roles that society has determined for me.
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I see myself represented in the media by characters who are strong, independent, and confident.
What is media?Media is the broad term used to describe any form of communication that can be used to disseminate information to a large group of people. Media includes traditional media such as newspapers, magazines, radio, and television, as well as more modern forms such as digital media, including websites, social media, and online streaming.
They may have had a difficult start, but they don't let it define them. They are determined to make something of themselves, regardless of the odds. They are resilient and are not afraid to stand up for what they believe in. Through these characters, I can relate to and identify with the struggles and successes of the journey.
My own writer's voice is often reflective and contemplative. I strive to be thoughtful and honest in my writing, and often use metaphors and imagery to make a point. For example, I might write, "Her journey was like a rollercoaster, with highs and lows along the way, but she kept her eyes on the horizon, never losing sight of her goals." Here, I am using an analogy to convey the idea of how a person's path might not always be easy, but they can remain focused on the end result.
The author of the essay used rhetorical questions to emphasize their points and express their opinion. I have also adopted this technique in my writing. For example, I might write, "Do we ever really know how our stories will unfold? Or what it takes to get there?" The use of rhetorical questions captures the reader's attention and sparks their imagination.
Overall, I feel that my writer's voice is distinct and I am confident in my use of literary devices. By incorporating the use of rhetorical questions and analogies, I am able to effectively convey my opinion and perspective in a unique way.
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What is the next term on 45__31,24,17
The equation y=ax describes the graph of a line. If the value is negative, The Line: A. Is vertical.
B.is horizontal.
C.goes up and to the right.
D.goes down and to the right.
What are the exact lengths of BC and CF?
The length, in feet, of BC is the square root of.
The length, in feet, of CF is the square root of
The length, in feet, of BC is the square root of √242 and, The length, in feet, of CF is the square root of √363
Cube:
In geometry, a cube is a three-dimensional solid object bounded by six faces, facets, or square sides, with three points of intersection at each vertex. Seen from a certain angle, it is a hexagon and its canvas is often represented by a cross.
Cube is the only regular hexahedron and one of the five Platonic solids. It has 6 faces, 12 edges and 8 vertices. Cube is also a cube, an equilateral cuboid, a rhombus and a 3-sonohedron.
Three orientations are square prisms and four orientations are triangular trapezoids. A cube is twice as large as an octahedron. It has cubic or octahedral symmetry. Cube is the only convex polyhedron whose faces are square.
Then the length CB is given by the Pythagorean theorem as:
CB = √(AC² +AB²)
= √{(2 cm)² + (√2 cm)²}
= √(4 +2) cm
CB = √6 cm
Now,
The length, in feet, of BC is the square root of
√242
And,
The length, in feet, of CF is the square root of
√363
Complete Question:
A cube. The top face has points C, A, B, D and the bottom face has points G, E, F, H. Diagonals are drawn from B to C and from C to F. Side B F is 11 feet.
What are the exact lengths of BC and CF?
The length, in feet, of BC is the square root of
The length, in feet, of CF is the square root of
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Answer:
The length, in feet, of BC is the square root of
✔ 242
The length, in feet, of CF is the square root of
✔ 363
Step-by-step explanation:
What is the median of the following data set? 5, 9, 6, 6, 7, 5, 8, 7, 6 A 6 B 9 C 7 D 5
Answer: The median is 6
Step-by-step explanation: The median is the data value separating the upper half of a data set from the lower half.
Arrange data values from lowest to highest value
The median is the data value in the middle of the set
If there are 2 data values in the middle the median is the mean of those 2 values.
Select the correct answer.
Solve:
|x − 3| − 10 = -5
A.
x = -2 or x = 8
B.
x = -8 or x = 2
C.
x = 2 or x = 8
D.
x = 8 or x = 18
Answer:
A. x = -2 or x = 8
Good luck!!
Step-by-step explanation:
(x - 3) - 10 = -5
x - 3 = - 5 + 10
x - 3 = 5
x = 5 + 3
x = 8
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The set of all possible y-values for the function h constitutes its range. The range is therefore [-3, 0].
what is range ?The collection of all feasible output values (dependent variable) of a function is known as the range in mathematics. It is the totality of all possible numbers that the function can accept as input (an independent variable) and output. On the number line, the range is frequently represented by an interval or group of intervals. For instance, the range can be written as [-3, 3] if the domain of a function f(x) is [-2, 2] and its output numbers fall within [-3, 3].
given
The collection of all x-values for which h(x) is specified is the domain of the function h.
The graph's [-2, 4] domain can be determined by looking at the graph, which shows that it begins at x=-2 and concludes at x=4.
The set of all possible y-values for the function h constitutes its range. Looking at the graph, we can see that it takes all values between y=-3 and y=0, and that it begins at y=-3.
The range is therefore [-3, 0].
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The complete question is :- The entire graph of the function h is shown in the figure below. Write the domain and range of h as intervals or unions of intervals.
-2
-3-
4-
domain =
range =
Solve each absolute value inequality and show its solution set. l) −2x−5 ≤5
To solve this inequality, we must first isolate the absolute value on one side of the equation.
Step 1: Add 5 to both sides of the equation.
−2x−5 + 5 ≤ 5 + 5
Step 2: Simplify the left side.
−2x ≤ 10
Step 3: Divide both sides by -2.
x ≥ -5
Step 4: Graph the solution on a number line.
The solution set is {x | x ≥ -5}
The function
�
=
�
(
�
)
y=f(x) is graphed below. What is the average rate of change of the function
�
(
�
)
f(x) on the interval
−
6
≤
�
≤
5
−6≤x≤5?
Answer:
-10/11
Step-by-step explanation:
You want the average rate of change of f(x) on the interval [-6, 5].
Average rate of changeThe average rate of change of function f(x) on the interval [a, b] is ...
AROC = (f(b) -f(a))/(b -a)
= (f(5) -f(-6))/(5 -(-6))
= (-20 -(-10))/5 +6 = (-20 +10)/(5 +6)
AROC = -10/11
The average rate of change on the interval is -10/11.
describe the shape, location, and spread of the data for the number of care types sp unable to get (acv nocarsum) variable. you should generate the appropriate graph(s) and descriptive statistics in support of your answer.
The better understanding of the data, making it easier to draw conclusions and make decisions based on the data.
In statistics, the spread of the data is used to describe the variability or deviation of a set of data. The location of the data is used to determine the center of the data, and the shape of the data describes the distribution of the data. When it comes to the variable number of care types sp unable to get (acv nocarsum), the data should be analyzed using the appropriate graph(s) and descriptive statistics to determine its shape, location, and spread.
Descriptive statistics:
In descriptive statistics, measures such as mean, mode, median, standard deviation, variance, and range are used to analyze data. These statistics provide a summary of the data in the form of numerical values, making it easy to identify patterns, outliers, and other characteristics of the data.
Graphs:
Graphs are also used in statistical analysis to visually represent the data. There are different types of graphs that can be used, depending on the type of data being analyzed. Commonly used graphs in statistical analysis include histograms, scatterplots, boxplots, and line graphs.
To describe the shape, location, and spread of the data for the number of care types sp unable to get (acv nocarsum) variable, the following steps should be followed:
Step 1: Collect the data.
The first step is to collect the data on the number of care types sp unable to get (acv nocarsum) variable. This data can be obtained from various sources such as surveys, questionnaires, or observational studies.
Step 2: Determine the center of the data.
The center of the data can be determined using measures such as mean, mode, or median. The mean is the average of the data, while the median is the middle value of the data when arranged in order of magnitude. The mode is the value that appears most frequently in the data.
Step 3: Determine the variability of the data.
The variability of the data can be determined using measures such as variance or standard deviation. The variance is the average of the squared differences between each data point and the mean, while the standard deviation is the square root of the variance.
Step 4: Determine the shape of the data.
The shape of the data can be determined using graphs such as histograms, boxplots, or line graphs. Histograms show the distribution of the data, while boxplots show the quartiles and outliers of the data.
Step 5: Interpret the results.
Once the data has been analyzed using the appropriate graph(s) and descriptive statistics, the results should be interpreted to describe the shape, location, and spread of the data for the number of care types sp unable to get (acv nocarsum) variable. This will provide a better understanding of the data, making it easier to draw conclusions and make decisions based on the data.
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Please write how we can find.
Answer:
15
Step-by-step explanation:
Answer can only be found through estimation.
This means you have to do:
[tex]\frac{50*3}{\sqrt{100} }[/tex]
This will get you 15.
Graph the line with slope 3 passing through the point (1,-5),
Can somebody help me
Answer:
Step-by-step explanation:
To graph the line with slope 3 passing through the point (1,-5), we can use the point-slope form of the equation of a line, which is:
y - y1 = m(x - x1)
where m is the slope, and (x1, y1) is a point on the line.
Substituting the given values, we get:
y - (-5) = 3(x - 1)
Simplifying the equation, we get:
y + 5 = 3x - 3
Subtracting 5 from both sides, we get:
y = 3x - 8
Now we have the equation of the line in slope-intercept form, which is y = mx + b, where m is the slope and b is the y-intercept. Comparing this equation to the one we just found, we can see that the slope is 3 and the y-intercept is -8.
To graph the line, we can plot the y-intercept at (0,-8) and then use the slope to find other points on the line. Since the slope is 3, we can go up 3 units and to the right 1 unit to find another point on the line. We can repeat this process to find more points on the line, and then connect them to graph the line.
A hypothesis test is performed to determine if the proportion of all six packs of seltzers sold in a particular grocery store near a college campus that are alcoholic exceeds 50%. A random sample of 152 customers that purchased seltzer is acquired (assume no customer purchases more than one six pack at time, alcoholic or not); the sample proportion of these purchases that are alcoholic is obtained. From this sample a test statistic of 2.60 is calculated, which has a corresponding P-value of 0.0047.Which of the following is true?Select one:a. The probability the null hypothesis is true is 1-0.0047 = 0.9953.b. The probability that 50% of customers purchasing seltzers will be purchasing alcoholic seltzer on any given day is 0.0047.c. The probability that, in a random sample of 152 customers purchasing seltzers, more than 50% of those customers will have purchased alcoholic seltzer is 0.0047.d. None of these statements is true.e. The probability the null hypothesis is true is 0.0047.
If the hypothesis test is performed to determine if the proportion of all six packs of seltzers sold in a particular grocery store near a college campus that are alcoholic exceeds 50% Then complement of the P-value gives the probability that the null hypothesis is true, which is 1 minus 0.0047, or 0.9953.
The probability the null hypothesis is true is 1-0.0047 = 0.9953 because ,
The given P-value is 0.0047,
which is the probability of observing a test statistic as extreme as 2.60 or more extreme if the null hypothesis is true. Since this P-value is less than the significance level of 0.05 (assuming a typical significance level), we reject the null hypothesis and conclude that the proportion of all six packs of seltzers sold in the grocery store that are alcoholic exceeds 50%.
Therefore, statement (a) is true and all the other statements are incorrect. The complement of the P-value gives the probability that the null hypothesis is true, which is 1 minus 0.0047, or 0.9953.
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Cara's new car holds 13.5 gallons of gas. If gas costs $2.98 per gallon, how much would it cost her to fill the gas tank from empty?
Thus, the total cost of gas for fill the tank of car tank is $40.23.
Explain about unitary method?Finding the sum of the values of one unit and then multiplying its amount by the sum of the values of one unit to get the value of even more or fewer units is the unitary method's formula. In this illustration, the "unit" represents the quantity of books, and the "value" is their purchase price.
When we visit the market to purchase any item, we inquire about the item's pricing from the shopkeeper. The term for this is unit price.
For the stated question:
Capacity of car = 13.5 gallons of gas.
Gas cost = $2.98 per gallon
So, cost to fill the tank:
Total cost = gas costs per gallon * Capacity of car
Total cost = $2.98 * 13.5
Total cost = $40.23
Thus, the total cost of gas for fill the tank of car tank is $40.23.
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21. The measures of the segments formed by the altitude to the hypotenuse of a right triangle are in the ratio 1: 4. The length of the altitude is 14.
a. Find the measure of each segment.
b. Express, in simplest radical form, the length of each leg.
Answer:
Step-by-step explanation:
1. add 14 to 24
2. ur done!
AOC is a right-angle AOB: BOC - 2:3 what is the size of angle BOC
Angles AOB and BOC are complimentary angles if AOC is a right angle. Let's use x to represent the angle BOC's size. Next, we have: Angle AOB plus Angle BOC equals 90° (definition of complementary angles).
BOC/AOB angle equals 2/3 (given) Angle AOB may be expressed in terms of angle BOC using the second equation: (3/2) × angle BOC, where angle AOB (multiplying both sides by angle AOB) Angle BOC plus angle (3/2) equals 90 degrees. When we simplify this equation, we obtain: BOC angle (5/2) times equals 90 degrees. By multiplying both sides by 5, we obtain: BOC angle = (2/5) x 90 degrees BOC angle is 36 degrees. Hence, the angle's size Substituting this expression into the first equation, we get: (3/2) x angle BOC + angle BOC = 90 degrees Simplifying this equation, we get: (5/2) x angle BOC = 90 degrees.
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Carmella is purchasing a $105,000 home and her bank is offering her a 30-
year mortgage at a 4.5% interest rate. In order to lower her monthly payment,
Carmella will make a 20% down payment and is considering a purchase of 2
points. How much lower will her monthly payment be if she purchases the
points? (Asking for the difference between the down and the points vs. just the down.)
The interest charge per month would be around $[tex]532.02[/tex], and the principal payment per month would be about $[tex]399.09[/tex].
What do you mean by your interest?Your hobbies are the things you find enjoyable to do and the things that you prefer to learn more about. A lack of intriguing conversation: Interesting things hold your attention and arouse your curiosity.
Why is there an interest?The cost of borrowing money is called interest, and it is typically stated as a percent, such as an annualized rate (APR). By utilizing the money, debtors may accrue interest to lenders, or lenders may pay the interest to borrowers.
We will use annuity formula, which is: [tex]P=C(\frac{1-(1+r)^{-n} }{r} )[/tex]
[tex]P[/tex] is [tex]105,000[/tex]
[tex]C[/tex] is what we need
[tex]r[/tex] is the [tex]0.045/12 = 0.00375[/tex]
[tex]n[/tex] is [tex]12*30 = 360[/tex]
[tex]P=C[\frac{1-(1+r)^{-n} }{r} ][/tex]
[tex]105,000=C[\frac{1-(1+0.00375)^{-360} }{0.00375} ][/tex]
[tex]1.5,000=C[197.3612][/tex]
[tex]C=532.02[/tex]
So monthly payment would be around [tex]532.02[/tex]
Now,
With each point purchase, the interest rate goes down by [tex]0.25[/tex]%, so for [tex]2[/tex] points it will be [tex]4.5[/tex]%[tex]- 2(0.25) = 4[/tex]%
Also, since [tex]20[/tex]% down payment, the loan amount would be [tex](0.8)(105,000) = 84,000[/tex].
Putting these values into the annuity formula we have:
[tex]84000=C[\frac{1-(1+.0..33)^{-360} }{0.0033} ][/tex]
[tex]84000=C(210.47)[/tex]
[tex]C=399.09[/tex]
The monthly payment would be around $[tex]399.09[/tex]
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How do you solve ratio??
Answer:
How to solve a ratio problem:
Add together the parts of the ratio to find the total number of shares.
Divide the total amount by the total number of shares.
Multiply by the number of shares required.
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Find the first 4 terms of the sequence represented by the expression 3n + 5
The first 4 terms of the sequence represented by the expression 3n + 5
is 8, 11, 14 and 17.
Sequence:
In mathematics, an array is an enumerated collection of objects in which repetition is allowed and in case order. Like a collection, it contains members (also called elements or items). The number of elements (possibly infinite) is called the length of the array. Unlike sets, the same element can appear multiple times at different positions in the sequence, and unlike sets, order matters. Formally, a sequence can be defined in terms of the natural numbers (positions of elements in the sequence) and the elements at each position. The concept of series can be generalized as a family of indices, defined in terms of any set of indices.
According to the Question:
Given, aₙ = (3n+5).
First four terms can be obtained by putting n=1,2,3,4
a 1=(3×1+5) = 8
a 2 =(3×2+5) = 11
a 3 =(3×3+5) = 14
a 4 =(3×4+5) = 17
First 4 terms in the sequence are 8, 11, 14, 17.
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Talia has a daily budget of $94 for a car rental. Write and solve an inequality to find the greatest distance Talia can drive each day while staying with her budget. $30 per day plus $0. 20 per mile
The most distance Talia can go each day while staying within her budget is 320 miles.
In this case, our goal is to write an inequality before moving on to solve it.
We begin with the daily rental fee and the cost per mile.
This is stated as $30 per day and $0.20 per mile in the question.
She is required to spend a total of $94.
This means that the total cost of the rental automobile and the cost per mile must be $94 or less.
Let m be the maximum number of miles she can travel.
Hence, we may write the inequality as follows: 30 + 0.2 m 94.
This inequality is what we can now solve;
0.2m ≤ 94 - 30
0.2m ≤ 64
m ≤ 64/0.2
320 miles = m
The most distance Talia can go each day while staying within her budget is 320 miles.
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urn contains 6 white, 5 red and 3 blue chips. A person selects 4 chips without replacement. Determine the following probabilities: (Show work. Final answer must be in decimal form.) a) P(Exactly 3 chips are white) Answer Answer b) P(The third chip is blue The first 2 were white) c) P(The fourth chip is blue Answer The first 2 were white) 6. Suppose we have a random variable X such that E[X]= 7 and E[X²]=58. Answer a) Determine the variance of X. b) Determine E[2X2 - 20X +5]
the variance of X is 9. b) Determine E [2X² - 20X +5]:
Using linearity of expectation, we can find E [2X² - 20X +5] as:
E [2X² - 20X +5] = 2E[X²] - 20E[X] + 5
by the question.
The number of ways to select the first 2 white chips is given by:
Number of ways = (6C2) (5C0) (3C0) = 15
The number of ways to select the third chip as blue given that the first 2 chips were white is given by:
Number of ways = (3C1) = 3
Therefore, the probability of selecting the third chip as blue given that the first 2 chips were white is:
P(The third chip is blue the first 2 were white) = Number of ways / Total number of ways = 3 / 350 = 0.0086 (rounded to 4 decimal places)
c) P(The fourth chip is blue the first 2 were white):
The number of ways to select the first 2 white chips is given by:
Number of ways = (6C2) (5C0) (3C0) = 15
The number of ways to select the third chip as non-white given that the first 2 chips were white is given by:
Number of ways = (8C1) = 8
The number of ways to select the fourth chip as blue given that the first 2 chips were white, and the third chip was non-white is given by:
Number of ways = (3C1) = 3
Therefore, the probability of selecting the fourth chip as blue given that the first 2 chips were white is:
P(The fourth chip is blue the first 2 were white) = Number of ways / Total number of ways = 8*3 / 350 = 0.0686 (rounded to 4 decimal places)
Suppose we have a random variable X such that E[X]= 7 and E[X²] =58.
a) Determine the variance of X:
The variance of X is given by:
Var[X] = E[X²] - (E[X]) ²
Substituting the given values, we get:
Var[X] = 58 - (7) ² = 9
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For some real number a and some positive integer n, the first few terms in the expansion of (1 + ax)^n are [1 - 20x + 150x^2 + cx^3 ]. find c?
Using binomial theorem we can expand the equation but We are not given the value of a or n, so we cannot determine c exactly.
What is the difference between real and integer?Integers are real numbers that only comprise positive and negative whole integers as well as natural numbers. Because of rational and irrational numbers, real numbers may include fractions, whereas integers cannot.
What's a real number?A real number is a quantity in mathematics that may be expressed as an infinite decimal expansion. Real numbers, as opposed to natural numbers such as 1, 2, 3,..., which are generated from counting, are used in measures of continually changing quantities such as size and time.
by applying the binomial theorem:
[tex](1 + ax)^n = C(n, 0) + C(n, 1)(ax) + C(n, 2)(ax)^2 + C(n, 3)(ax)^3 + ...[/tex]
where C(n, k) is the binomial coefficient, which equals[tex]n!/(k!(n-k)!).[/tex]
The first few terms of this expansion are:
[tex](1 + ax)^n = 1 + nax + n(n-1)(a^2/2)x^2 + n(n-1)(n-2)(a^3/6)x^3 + ...[/tex]
Comparing with the given expression [1 - 20x + 150x^2 + cx^3], we have:
[tex]1 - 20x + 150x^2 + cx^3 = 1 + nax + n(n-1)(a^2/2)x^2 + n(n-1)(n-2)(a^3/6)x^3 + ...[/tex]
Equating coefficients of [tex]x^3[/tex] on both sides, we get:
[tex]c = n(n-1)(n-2)(a^3/6)[/tex]
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Naive Nelson uses RSA to receive a single ciphertext c, corresponding to the message m. His public modulus is n and his public encryption exponent is e. Since lie feels guilty that his system was used only once, he agrees to decrypt any ciphertext that someone sends him, as long as it is not c, and return the answer to that person. Evil Eve sends him the ciphertext 2°c (mod n). Show how this allows Eve to find m.
We have that, based on the system of the module, by sending Nelson 2ec (mod n), Eve can use her system to find m without ever sending him c.
How can we find the value?Naive Nelson's RSA system works using the equation c = me (mod n), where c is the recorded text, m is the message, e is the recorded exponent, and n is the public modulus. Therefore, to find m, Eve needs to solve the equation 2ec = me2 (mod n). Since 2e and m2 are known values, Eve can calculate more:
m = 2ec / m2 (module n)
So by sending Nelson 2ec (mod n), Eve can use her system to find m without ever sending him c.
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the number 0.1271 represents the area under the standard normal curve below a particular z-score. what is the z-score? enter your answer,as a decimal to the nearest hundredth, in the box.
Thus, a 0.1271 area under the standard normal curve corresponds to a z-score of roughly -1.14.
what is standard deviation ?The degree of variance or dispersion in a set of data values is measured by standard deviation. It computes the deviation of each data point from the mean (average) of the data. While a high standard deviation suggests that the data points are dispersed throughout a broader range of values, a low standard deviation suggests that the data points tend to be close to the mean. In statistics, the standard deviation is frequently used to evaluate the level of variability or dispersion within a data collection.
given
Using a normal distribution function on a calculator or a standard normal distribution table, we can determine the z-score that corresponds to an area of 0.1271 under the standard normal curve.
We can enter the following data into a calculator equipped with a normal distribution function:
Area = 0.1271
Mean = 0 (because we are using the usual normal distribution) (since we are using the standard normal distribution)
Standard deviation equals one (since we are using the standard normal distribution)
Calculating this, we obtain:
Z is equal to invNorm(0.1271, 0, 1) = -1.14.
Thus, a 0.1271 area under the standard normal curve corresponds to a z-score of roughly -1.14.
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Answer:
it is -1.14
Step-by-step explanation:
I took the k12 quiz
a college student takes the same number of credits each semester. before beginning college, the student had some credits earned while in high school. after 2 semesters, the student had 45 credits, and after 5 semesters, the student had 90 credits. if c(t) is the number of credits after t semesters, write the equation that correctly represents this situation.
The equation that correctly represents this situation is c(t) = 45 + 45(t-2). This equation states that the total number of credits the student will have after t semesters is equal to 45 (the number of credits they had before beginning college) plus 45 times the number of semesters after two (t-2).
To explain this equation in more detail, we need to break it down. First, the student had some credits earned while in high school, so the equation starts off with c(t) = 45, which is the number of credits the student had before beginning college.
Next, 45(t-2) represents the number of credits earned in the additional semesters since college began. The t-2 part of the equation means that the total number of credits earned in the additional semesters starts at zero for t = 2. Then, for each additional semester, 45 credits are added. So, for example, when t = 5, 45 credits are added to the initial 45 credits the student had before beginning college, resulting in 90 credits.Therefore, the equation c(t) = 45 + 45(t-2) correctly represents this situation.
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Purchasing the correctly sized BMX bike is based on the height of the rider. In order to fit a customer, the salesperson can use the equation b=0. 29h+1. 35
where b
is the size of the BMX bike frame in inches and h
is the height of the rider in inches
The slope in the equation b = 0.29h + 1.35 is the measure of the rate at which the bike frame size changes with the height of the rider.
The slope in the equation b = 0.29h + 1.35 refers to the coefficient of the variable h, which represents the height of the rider. The slope is the measure of the rate at which the bike frame size changes with the height of the rider.
In this equation, the slope is 0.29, which means that for every inch increase in the rider's height, the bike frame size increases by 0.29 inches. The slope is a crucial component of the equation as it determines the proportionality of the two variables.
Moreover, the slope is essential in analyzing the relationship between the rider's height and the bike frame size.
It plays a vital role in determining the appropriate size of the BMX bike frame and analyzing the relationship between the two variables.
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Complete Question:
Purchasing the correctly sized BMX bike is based on the height of the rider. In order to fit a customer, the salesman can use the equation b 0.29h +1.35 where b is the size of the BMX bike frame in inches and h is the height of the rider in inches.
Which sentence explains the slope in the equation?
An item is regularly priced at $19. Debra bought it at a discount of 60% off the regular price.
Answer:
Step-by-step explanation:
Regular price:$19
60 per cent of $19 is 11.4 dollars.
but if ypu are looking for how much did she pay then it is..
19-11.4=$7.6
suppose that 27.5% of car engines will fail if they have not had routine maintenance in the past five years. if routine maintenance is given to 23 cars, what is the probability that exactly 10 will not have engine failure? round your answer to six decimal places.
The probability that exactly 10 out of 23 cars will not have engine failure is 0.007638.
Step-by-step explanation: First, calculate the probability of an engine failing in five years with no routine maintenance, which is 27.5%. This can be written as a decimal, 0.275.Next, calculate the probability of an engine not failing in five years with routine maintenance. This probability is 100%-27.5% = 72.5%, written as a decimal 0.725.
Now, using the Binomial Distribution formula (nCr), calculate the probability of exactly 10 engines not failing out of 23 cars, where n = 23, r = 10 and p = 0.725. The equation would be [tex](23C10)*(0.725^{10})*(0.275^{13}) = 0.0076379904[/tex]
Finally, round the result to 6 decimal places, giving an answer of 0.007638.
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