The expression for the marginal revenue function is MR(q) = 600r - 7.
The given product's revenue function is R(q) = - 7q + 600qr.
To find an expression for the marginal revenue function, we can use the following steps:
Step 1: Take the first derivative of the revenue function with respect to q to obtain the marginal revenue function MR(q).
Step 2: Simplify the expression for MR(q) to record the final result.
In other words, the marginal revenue function MR(q) is the derivative of the revenue function R(q) with respect to q. Here, R(q) = - 7q + 600qr.
So, we have to differentiate R(q) with respect to q to get MR(q).
The derivative of - 7q with respect to q is - 7.
The derivative of 600qr with respect to q is 600r because the derivative of q with respect to q is 1.
MR(q) = dR(q) / dq
= (d/dq)(- 7q + 600r)
= (- 7) + (600r)
= 600r - 7
The equation that represents the marginal revenue function is MR(q) = 600r - 7.
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d)
1456 divided by 25
Answer:
58.24
Step-by-step explanation:
1456 ÷ 25 = 58.24
What is the sum of the following equation? (2 points)
three tenths plus thirty-nine hundredths equal blank
A. thirty-six hundredths
B. forty-two hundredths
C. sixty-nine hundredths
D. ninety-six hundredths
Answer:
sixty nine hundredths
Step-by-step explanation:
three tenths can be expressed in decimal as 3/10
thirty nine hundredths can be expressed in decimal as 39/100
Therefore the sum of three tenths plus thirty nine hundredths equals
3/10 +39/100
We first find the l.c.m of the two fractions equals 100 so we have 100 as the denominator
then 100 divided by 10 multiplied by 3 +100 divided by 100 multiplied by 39 as illustrated below gives the answer
3/10 +39/100
=30+39/100
=69/100= sixty nine hundredths
What is the solution to the equation 2.4m − 1.2 = −0.6m?
Answer:
0.4
Step-by-step explanation:
Subtract 2.4m on each side
-1.2 = -3.0m
divide by -3.0
you get 0.4
Amir and Brandon are sharing a cake they bought for 10 dollars. Half of
the cake is chocolate and half of the cake is vanilla. Amir likes chocolate
twice as much as vanilla. Brandon likes chocolate four times as much as
vanilla. They decide to use the divider-chooser method to share the cake. (a) Give a way Amir might split the cake if he’s the splitter. State which
piece Brandon would choose and how much it’s worth to him. (b) Give a way Brandon might split the cake if he’s the splitter. State
which piece Amir would choose and how much it’s worth to him
(a) If Amir is the splitter, he can divide the cake into two equal halves, offer Brandon the first choice, who will likely choose the chocolate half worth 6.67 dollars to him, and Amir will take the vanilla half worth 3.33 dollars to him.
(b) If Brandon is the splitter, he can divide the cake into two equal halves, offer Amir the first choice, who will likely choose the chocolate half worth 5 dollars to him, and Brandon will take the vanilla half worth 5 dollars to him.
(a) If Amir is the splitter, he can divide the cake into two equal halves, one chocolate and one vanilla. He can then offer Brandon the first choice of which half he wants. Since Brandon likes chocolate four times as much as vanilla, he will likely choose the chocolate half, which is worth 6.67 dollars to him (4/5 of the total value of the cake). Amir will then take the vanilla half, which is worth 3.33 dollars to him (1/5 of the total value of the cake).
(b) If Brandon is the splitter, he can divide the cake into two equal halves, one chocolate and one vanilla. He can then offer Amir the first choice of which half he wants. Since Amir likes chocolate twice as much as vanilla, he will likely choose the chocolate half, which is worth 5 dollars to him (1/2 of the total value of the cake). Brandon will then take the vanilla half, which is worth 5 dollars to him (1/2 of the total value of the cake)
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Select the interval where
h
(
x
)
>
0
h(x)>0h, left parenthesis, x, right parenthesis, is greater than, 0.
Choose 1 answer:
Choose 1 answer:
(Choice A)
A
−
1
<
x
<
0
−1
The correct statement regarding where the graph of h(x) = x³ has positive signal is given as follows:
x > 0.
How to classify a function as positive or negative?The graph of a function is positive in the regions where the function values are greater than zero, and negative in the regions where the function values are less than zero.
The comparisons to zero are given as follows:
Greater than zero -> above the x-axis.Less than zero -> Below the x-axis.Hence, considering the function defined by the rule y = x³, the graph of the function is classified as positive or negative as follows:
Negative for x < 0.Positive for x > 0.Missing InformationThe function is h(x) = x³, and it's graph is given by the image presented at the end of the answer.
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a rectangular prism has a height of 1/5 m and a square base with an area of 7 1/2 m^2. What is the volume of the rectangular prism?
The volume of the rectangular prism is approximately 0.2996 cubic meters.
What is rectangular prism and its volume?Six rectangular faces that are congruent and parallel to one another make up the three-dimensional solid known as a rectangular prism. A rectangular cuboid is another name for it.
By multiplying the prism's length, width, and height, one may get the volume of a rectangular prism, which is the volume of the interior space of the prism.
Given that, area of the square base is 7 1/2 sq. m.
The side of the square base is thus,
√(7 1/2) ≈ 2.7386 m
The volume of the rectangular prism is given as:
Volume = length x width x height
Volume ≈ 2.7386 x 2.7386 x 1/5 m
Volume ≈ 0.2996 cubic meters.
Hence, the volume of the rectangular prism is approximately 0.2996 cubic meters.
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Need help with b, please show work
Step-by-step explanation:
remember, the sum of all angles in a triangle is always 180°.
the law of sine :
a/sin(A) = b/sin(B) = c/sin(C)
with a, b, c being the sides, and A, B, C being the three corresponding opposite angles.
so, the angle at Q is
180 = 48 + 48 + angle Q = 96 + angle Q
84° = angle Q
5mm/sin(48) = PR/sin(84)
PR = 5×sin(84)/sin(48) = 6.691306064... mm
The length of PR is approximately 10.33 mm.
what is isosceles triangle ?
An isosceles triangle is a triangle with at least two sides that have equal length, and thus two corresponding angles that are also equal in measure. The third side and angle of an isosceles triangle may or may not be of different length or measure. The two sides that are equal in length are called the legs, and the third side is called the base. The angle opposite the base is called the vertex angle, while the angles adjacent to the legs are called the base angles. In an isosceles triangle, the two base angles are equal in measure.
Since the sum of the angles in a triangle is 180 degrees, we can find the measure of angle PQR as follows:
PQR = 180 - QPR - QRP
PQR = 180 - 48 - 48
PQR = 84 degrees
Since angles QRP and QPR have the same measure, we know that sides OP and OR have equal length (they are opposite those angles). Therefore, triangle POR is an isosceles triangle.
To find the length of PR, we can use the Law of Cosines:
PR^2 = OP^2 + OR^2 - 2(OP)(OR)cos(POR)
Since OP and OR are equal in length, we can simplify this equation to:
PR^2 = 2(OP^2) - 2(OP^2)cos(POR)
We know that POR is 180 - PQR = 96 degrees. We also know that OP = OR, and that QP = 5 mm. Using the Law of Cosines, we can find the length of OP:
OP^2 = QP^2 + OR^2 - 2(QP)(OR)cos(QPR)
OP^2 = 5^2 + OR^2 - 2(5)(OR)cos(48)
OP^2 = OR^2 - 5ORcos(48) + 25
Since OP = OR, we can substitute OP for OR in the above equation:
OP^2 = OP^2 - 5OPcos(48) + 25
5OPcos(48) = 25
OP = 25/(5cos(48))
OP ≈ 6.25 mm
Now we can substitute this value into the equation we derived earlier to find PR:
PR^2 = 2(OP^2) - 2(OP^2)cos(POR)
PR^2 = 2(6.25^2) - 2(6.25^2)cos(96)
PR ≈ 10.33 mm
Therefore, the length of PR is approximately 10.33 mm.
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A taxi service charges $2 for the first mile and then $1. 20 for every mile after that. The farthest the taxi will
travel is 25 miles.
If a represents the number of miles traveled, and y represents the total cost of the taxi ride, what is the most
appropriate domain for the situation?
The appropriate domain for the number of miles travelled by the taxi is found as: [0, 25]
Explain about the linear equation?In a two-variable linear equation, x and y have a linear connection, meaning that the value of any one of the variables, y, relies upon that value of the other, x.
Cost for first mile of taxi service = $2.00
Additional cost = $1.20 per mile.
Peak distance = 25 miles.
a = number of miles traveled by taxi.
y = total cost of the taxi ride
The linear equation forms:
y = $1.20a + $2.00
When a = 0; y = $2.00
a = 25 ; y = $1.20*25 + $2.00 = 32
Thus, the appropriate domain for the number of miles travelled by the taxi is found as: [0, 25]
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The exponential probability distribution is used with: A. A discrete random variable B. A continuous random variable C. Any probability distribution with an exponential term D. An approximation of the binomial probability distribution
The exponential probability distribution is employed with a random variable that is continuous in nature.
What do you mean by exponential probability distribution ?
In the field of probability, a probability distribution refers to a mathematical function that gives the probabilities of various possible outcomes of an experiment. The exponential probability distribution is a probability distribution that models the time between events in a Poisson process, where events occur continuously and independently at a constant average rate. It is a continuous probability distribution, meaning that the random variable takes on values within a continuous range, as opposed to a discrete probability distribution, where the random variable takes on only a finite or countable set of values.
Explanation of the correct answer :
The exponential probability distribution is defined by a single parameter, [tex]\lambda[/tex] which represents the average rate of occurrence of events in the Poisson process.
The probability density function (pdf) of the exponential distribution is given by [tex]f(x) = \lambda e^{(-\lambda x)}[/tex], where x is the time between events. The cumulative distribution function (cdf) is given by [tex]F(x) = 1 - e^{-\lambda x}[/tex].
The exponential probability distribution is used in many applications, such as queuing theory, reliability theory, and finance. For example, it can be used to model the time between customer arrivals in a queue, the time between machine failures in a manufacturing process, or the time until default on a bond.
In summary, the exponential probability distribution is a continuous probability distribution that is used with a continuous random variable, specifically to model the time between events in a Poisson process.
Hence, option B is correct.
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Rina is climbing a mountain. She has not
yet reached base camp. Write an inequality
to show the remaining distance, d, in feet
she must climb to reach the peak.
The inequality that shows the remaining distance Rina must climb to reach the peak is 0 < d < P
Let's assume that the distance from Rina's current position to the peak of the mountain is "P" feet and the distance from her current position to the base camp is "B" feet.
Then, the remaining distance, "d", that she must climb to reach the peak can be calculated as follows
d = P - B
Since Rina has not yet reached the base camp, the distance she has traveled so far is less than the distance to the base camp, which means:
B > 0
Substituting this inequality in the equation for "d", we get
d = P - B < P
Therefore, the inequality that shows the remaining distance Rina must climb to reach the peak is:
0 < d < P
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What is the value of the expression?
1/2 ÷ 6
Answer:
0.25
Step-by-step explanation:
Answer:
1/12
Step-by-step explanation:
To solve this expression, we need to remember that division should be done before multiplication or addition/subtraction.
So we first simplify the expression by dividing 1/2 by 6:
1/2 ÷ 6 = 1/2 × 1/6
Next, we multiply the two fractions by multiplying their numerators and denominators:
1/2 × 1/6 = (1 × 1)/(2 × 6) = 1/12
Therefore, the value of the expression 1/2 ÷ 6 is equal to 1/12.
is the bottled water you are drinking really purified water? a study of various brands of bottled water conducted by the natural resources defense council found that 25% of bottled water is just tap water packaged in a bottle (scientific american, july 2003).
Yes, there is a chance that the bottled water you are drinking is just tap water packaged in a bottle. According to a study by the Natural Resources Defense Council, 25% of bottled water is just tap water that has been packaged in a bottle. [Scientific American, July 2003]
What is bottled water?Bottled water is drinking water that has been packaged in bottles or containers for sale. Bottled water can come from a variety of sources, such as municipal supplies, springs, wells, and other sources. In some cases, bottled water is treated or purified to remove impurities and contaminants. However, not all bottled water is purified or treated, and some may be just tap water that has been packaged in a bottle.
What is purified water?Purified water is water that has been treated to remove impurities and contaminants. Purified water can come from any source, including municipal supplies, wells, and other sources. Purification methods may include filtration, reverse osmosis, distillation, or other methods. Purified water is commonly used in medical and industrial applications, as well as in homes for drinking and cooking.
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f(x)=3x^2+12+11 in vertex form
Answer:
y = -3(x - 2)^2 + 1. Explanation: x-coordinate of vertex: x = -b/(2a) = -12/-6 = 2 y-coordintae of vertex: y(2) = -12 + 24 - 11 = 1
Step-by-step explanation:
Answer:x-coordinate of vertex:
x = -b/(2a) = -12/-6 = 2
y-coordinate of vertex:
y(2) = -12 + 24 - 11 = 1
Vertex form:
y = -3(x - 2)^2 + 1
Check.
Develop y to get back to standard form:
y = -3(x^2 - 4x + 4) + 1 = -3x^2 + 12x - 11.
Step-by-step explanation:
Let V and W be vector spaces, and let T: V W be a linear transformation. Given a subspace U of V, let T(U) denote the set of all images of the form T(x), where x is in U. Show that T(U) is a subspace of W. To show that T(U) is a subspace of W, first show that the zero vector of wis n TU. Choose the correct answer below. a. Since V s a subspace of U the zero vector of u ou is in V. Since T s inear T Ou .w, where is the zero vector of w.?oms T(U) b. Since U is a subspace of W, the zero vector of w, ow, is in U. Since T is linear, T(0w) = 0v, where 0v is the zero vector of V So 0w is in T(U). c. Since V is a subspace of U, the zero vector of V, 0v is in U. Since T is linear, T(0v-0w where o,. is the zero vector of W Som s in T(U). d. Since U is a subspace of V, the zero vector of V, 0y, is in U.Since T is linear, Toy)-ow where Ow is the zero vector of W. So Ow is in T(U)
The T(U) is a subspace of W.
Since U is a subspace of V, the zero vector of V, 0v, is in U. Since T is linear, T(0v) = 0w, where 0w is the zero vector of W. So 0w is in T(U). Therefore, T(U) is a subspace of W.
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A triangle has one side with length 9 and another side with length 6. The angle opposite the side of length 6 measures 40. what is the measure of the angle opposite the side of length 9?
Answer: the angle opposite the side length 9 is 74.62 degrees I think .
Step-by-step explanation:
In a certain class of 40students, 90% passed ssce mathematics examinations and 75% passed English. If 2 students failed both mathematics and English, what percentage of students passed both examinations
30% percent of the students passed both Mathematics and English.
What is Percentage?A rate, number, or amount in each hundred is known as a percentage
Let's use a Venn diagram to represent the information given in the problem. Let M be the set of students who passed Mathematics, E be the set of students who passed English, and F be the set of students who failed both.
We know that there are 40 students in the class, and 90% passed Mathematics, so the number of students who passed Mathematics is 0.9 × 40 = 36. Similarly, 75% passed English, so the number of students who passed English is 0.75 × 40 = 30.
We also know that 2 students failed both Mathematics and English, so we can label the F section with 2.
where the number in each section represents the number of students who passed the respective exam.
To find the percentage of students who passed both examinations (i.e., the intersection of M and E), we need to add the number of students in the M and E intersection to the F section, then subtract that from the total number of students (40), and finally divide by 40 to get the percentage. That is:
percentage of students who passed both exams = (M ∩ E + F) / 40 × 100%
= (28 + 2) / 40 × 100%
= 30%
Therefore, 30% of the students passed both Mathematics and English.
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I need to show my work please help
Answer:
x=15
Step-by-step explanation:
use the side splitter theorem
(x-6)/x = 3/5 (cross-multiply)
3x=5(x-6) distributive property
3x=5x-30
2x = 30
x = 15
You ride your bicycle 40 meters. How many complete revolutions does the front wheel make?
linear equations in one variable
Answer:
x = [tex]\frac{3}{5}[/tex]
Step-by-step explanation:
[tex]\frac{x+1}{3}[/tex] - [tex]\frac{x-1}{2}[/tex] = [tex]\frac{1+2x}{3}[/tex]
multiply through by 6 ( the LCM of 2 and 3 ) to clear the fractions
2(x + 1) - 3(x - 1) = 2(1 + 2x) ← distribute parenthesis on both sides
2x + 2 - 3x + 3 = 2 + 4x
- x + 5 = 2 + 4x ( subtract 4x from both sides )
- 5x + 5 = 2 ( subtract 5 from both sides )
- 5x = - 3 ( divide both sides by - 5 )
x = [tex]\frac{-3}{-5}[/tex] = [tex]\frac{3}{5}[/tex]
Find the surface area of the solid
The solid has a surface area of about 401.92 cm2.
How can you figure out surface area?A three-dimensional shape's surface area is the sum of all of its faces. The surface area of a shape can be calculated by finding the area of each face and combining them.
The surface areas of the cylinder and the hemisphere must be added to determine the solid's surface area.
The cylinder's surface area is equal to 2rh + 2r2, where r is the cylinder's radius and h is its height.
The hemisphere's surface area is equal to 2r2, where r is the hemisphere's radius.
As the cylinder's and hemisphere's radiuses are equal, we can sum their two surface areas as follows:
The solid's surface area is equal to 2rh plus 2r2 plus 2r2.
= 2πrh + 4πr²
Solid's surface area is equal to 2(4)(8) + 4(4)(2).
= 64π + 64π
= 128π
≈ 401.92 cm²
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Estimating the within-group variance. Refer to the previous exercise. Here are the cell standard deviations and sample sizes for cooking enjoyment: Find the pooled estimate of the standard deviation for these data. Use the rule for examining standard deviations in ANOVA from Chapter 12 (page 560) to determine if it is reasonable to use a pooled standard deviation for the analysis of these data.
In the following question, among the given options, the statement is said to be, The pooled estimate of the standard deviation for the data given is √(54.14^2/10 + 24.26^2/10) = 22.74.
According to the rule for examining standard deviations in ANOVA from Chapter 12 (page 560), the within-group standard deviation should be no more than twice the size of the between-group standard deviation. In this case, the between-group standard deviation is 44.85 and the within-group standard deviation (22.74) is less than twice the size of the between-group standard deviation, so it is reasonable to use a pooled standard deviation for the analysis of these data.
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Draw and label the height of each parallelogram.
Based on the image given, the height of the parallelogram can be expressed as 2 units.
What is the height of a parallelogram?Parallelograms are two-dimensional figures that include four sides as rectangles. However, in parallelograms, the opposite sides are parallel and the vertical or horizontal sides are diagonal. Due to this, the height in a parallelogram can be determined by measuring the distance between the top and bottom lines. Based on this principle, the height of the parallelogram would be 2.
Note: Below I attach the missing image in this question:
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three fair, standard six-faced dice of different colors are rolled. in how many ways can the dice be rolled such that the sum of the numbers rolled is 10? (mathematics teacher calendar problem)
There are a total of 27 combinations that give a sum of 10 when rolling three dice.
We have,
The possible outcomes in the sample space for rolling three dice:
S = {(1, 1, 1), (1, 1, 2), (1, 1, 3), (1, 1, 4), (1, 1, 5), (1, 1, 6),
(1, 2, 1), (1, 2, 2), (1, 2, 3), (1, 2, 4), (1, 2, 5), (1, 2, 6),
(1, 3, 1), (1, 3, 2), (1, 3, 3), (1, 3, 4), (1, 3, 5), (1, 3, 6),
(1, 4, 1), (1, 4, 2), (1, 4, 3), (1, 4, 4), (1, 4, 5), (1, 4, 6),
(1, 5, 1), (1, 5, 2), (1, 5, 3), (1, 5, 4), (1, 5, 5), (1, 5, 6),
(1, 6, 1), (1, 6, 2), (1, 6, 3), (1, 6, 4), (1, 6, 5), (1, 6, 6),
(2, 1, 1), (2, 1, 2), (2, 1, 3), (2, 1, 4), (2, 1, 5), (2, 1, 6),
(2, 2, 1), (2, 2, 2), (2, 2, 3), (2, 2, 4), (2, 2, 5), (2, 2, 6),
(2, 3, 1), (2, 3, 2), (2, 3, 3), (2, 3, 4), (2, 3, 5), (2, 3, 6),
(2, 4, 1), (2, 4, 2), (2, 4, 3), (2, 4, 4), (2, 4, 5), (2, 4, 6),
(2, 5, 1), (2, 5, 2), (2, 5, 3), (2, 5, 4), (2, 5, 5), (2, 5, 6),
(2, 6, 1), (2, 6, 2), (2, 6, 3), (2, 6, 4), (2, 6, 5), (2, 6, 6),
(3, 1, 1), (3, 1, 2), (3, 1, 3), (3, 1, 4), (3, 1, 5), (3, 1, 6),
(3, 2, 1), (3, 2, 2), (3, 2, 3), (3, 2, 4), (3, 2, 5), (3, 2, 6),
(3, 3, 1), (3, 3, 2), (3, 3, 3), (3, 3, 4), (3, 3, 5), (3, 3, 6),
(3, 4, 1), (3, 4, 2), (3, 4, 3), (3, 4, 4), (3, 4, 5), (3, 4, 6),
(3, 5, 1), (3, 5, 2), (3, 5, 3), (3, 5, 4), (3, 5, 5), (3, 5, 6),
(3, 6, 1), (3, 6, 2), (3, 6, 3), (3, 6, 4), (3, 6, 5), (3, 6, 6),
(4, 1, 1), (4, 1, 2), (4, 1, 3), (4, 1, 4), (4, 1, 5), (4, 1, 6),
(4, 2, 1), (4, 2, 2), (4, 2, 3), (4, 2, 4), (4, 2, 5), (4, 2, 6),
(4, 3, 1), (4, 3, 2), (4, 3, 3), (4, 3, 4), (4, 3, 5), (4, 3, 6),
(4, 4, 1), (4, 4, 2), (4, 4, 3), (4, 4, 4), (4, 4, 5), (4, 4, 6),
(4, 5, 1), (4, 5, 2), (4, 5, 3), (4, 5, 4), (4, 5, 5), (4, 5, 6),
(4, 6, 1), (4, 6, 2), (4, 6, 3), (4, 6, 4), (4, 6, 5), (4, 6, 6),
(5, 1, 1), (5, 1, 2), (5, 1, 3), (5, 1, 4), (5, 1, 5), (5, 1, 6),
(5, 2, 1), (5, 2, 2), (5, 2, 3), (5, 2, 4), (5, 2, 5), (5, 2, 6),
(5, 3, 1), (5, 3, 2), (5, 3, 3), (5, 3, 4), (5, 3, 5), (5, 3, 6),
(5, 4, 1), (5, 4, 2), (5, 4, 3), (5, 4, 4), (5, 4, 5), (5, 4, 6),
(5, 5, 1), (5, 5, 2), (5, 5, 3), (5, 5, 4), (5, 5, 5), (5, 5, 6),
(5, 6, 1), (5, 6, 2), (5, 6, 3), (5, 6, 4), (5, 6, 5), (5, 6, 6),
(6, 1, 1), (6, 1, 2), (6, 1, 3), (6, 1, 4), (6, 1, 5), (6, 1, 6),
(6, 2, 1), (6, 2, 2), (6, 2, 3), (6, 2, 4), (6, 2, 5), (6, 2, 6),
(6, 3, 1), (6, 3, 2), (6, 3, 3), (6, 3, 4), (6, 3, 5), (6, 3, 6),
(6, 4, 1), (6, 4, 2), (6, 4, 3), (6, 4, 4), (6, 4, 5), (6, 4, 6),
(6, 5, 1), (6, 5, 2), (6, 5, 3), (6, 5, 4), (6, 5, 5), (6, 5, 6),
(6, 6, 1), (6, 6, 2), (6, 6, 3), (6, 6, 4), (6, 6, 5), (6, 6, 6)}
Now,
The combination where the sum is 10 is 27.
ie.
{(1, 3, 6), (1, 4, 5), (1, 5, 4), (1, 6, 3), ........, (6, 1, 3), (6, 2, 2,), (6, 3, 1)}
Thus,
There are 27 ways of combination where the sum is 10.
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45/43 as a percentage rounded to the nearest tenth of a percent
Answer:
104.7% to the nearest tenth.
Step-by-step explanation:
Multiply the fraction by 100:
= (45 x 100) / 43
= 104.651.
Find the range of possible measures of X if the set of expressions represents measures of the sides of a triangle x, 4, 6
If the set of expressions represents measures of the sides of a triangle x, 4, 6 , the range of possible measures of x is 2 < x < 10.
To determine the range of possible measures of X if the set of expressions represents measures of the sides of a triangle x, 4, 6, we need to use the triangle inequality theorem. According to this theorem, in a triangle, the sum of the lengths of any two sides must be greater than the length of the third side.
Mathematically, this can be expressed as:
x + 4 > 6
x + 6 > 4
4 + 6 > x
Simplifying these inequalities, we get:
x > 2
x > -2
x < 10
The first two inequalities indicate that x must be greater than 2, since the sum of any two sides of a triangle must be greater than the third side. The third inequality indicates that x must be less than 10, since the longest side of a triangle cannot be greater than the sum of the other two sides.
This means that x can take any value between 2 and 10, but not including 2 or 10, in order for the set of expressions to represent the measures of the sides of a triangle.
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Elena is testing out a new studying method and wants to know if it works. She decides to compare her spelling test scores from last week and this week. On last week's test, Elena spelled 16 out of the 20 words correctly. On this week's test, she spelled 13 out of the 15 words correctly. On which test did Elena get a higher ratio of correctly spelled words to total words?
Answer:
To determine which test Elena got a higher ratio of correctly spelled words to total words, we need to calculate the ratio of correctly spelled words to total words for each test and compare them.
For last week's test, the ratio of correctly spelled words to total words is:
16/20 = 0.8
For this week's test, the ratio of correctly spelled words to total words is:
13/15 ≈ 0.867
Since 0.867 is greater than 0.8, Elena got a higher ratio of correctly spelled words to total words on this week's test. Therefore, the new studying method appears to be working better for Elena. However, it is important to note that a single comparison is not sufficient to draw a definitive conclusion about the effectiveness of the studying method, and it would be beneficial for Elena to continue tracking her performance over a longer period of time.
Does someone mind helping me with this problem? Thank you!
the answer to the problem that you need to is 1024
Choose the correct answer.
When you get the sum of a data set and divide by the number of values collected, you get the
A)quantitative data
B)qualitative data
C)median
D)mean
60°
d. Opposite C:
e. Adjacent C:
B
90°
1. Consider the triangle ABC. Which side is being described by the following labels?
a. Hypotenuse:
b. Opposite A:
c. Adjacent A:
30°
Side BC is the hypotenuse of the right triangle ABC. Against A: The side that is opposed to angle A is side BC. Adjacent A: Side AB is the side that faces angle A. The side that is in opposition to angle C is side AB.
What is the right triangle ABC's hypotenuse?The opposite side of any right-angled triangle, ABC, is referred to as the hypotenuse. Here, we adhere to the tradition that the side opposite angle A is designated with the letter a. Both sides opposing B and C are given the letters b and c, respectively.
If A and B make up the right triangle's legs, how do we solve for the hypotenuse, c?When a and b if the lengths of the legs of a right triangle are and the hypotenuse's length is c, then the sum of the squares of the legs' lengths equals the square of the hypotenuse's length.
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The measure of an angle is 40.6°. What is the measure of its supplementary angle?
Answer: 139.4
Step-by-step explanation:
a supplementary angle is equal to 180 so all we have to do is subtract 40.6 from 180
180 - 40.6 = 139.4