I am too lazy to search it up on brainly tell me what is the answer

Answer:

Points are (3, 1) and (6, 2) ....

Step-by-step explanation:

When y is 1

[tex]{ \tt{1 = \frac{1}{3}x }} \\ \\ { \tt{x = 3}}[/tex]

Point: (3, 1)

When y is 2;

[tex]{ \tt{2 = \frac{1}{3}x }} \\ \\ { \tt{x = 6}}[/tex]

Point: (6, 2)

Step-by-step explanation:

a. f(x) = s(q(x))

b. f(x) = q(s(q(x)))

d. f(x) = g(p(h(x)))

f. f(x) = q(s(x))

i. f(x) = h(r(x))

n. f(x) = h(g(s(x)))

not sure about h and p tho

hope this helps

The algebraic representation of the statement subtract 4 times the positive square root of z from thrice of x is 4√z - 3x.

A mathematical expression is composed of term. A coefficient is an integer that is either multiplied by the variable it is associated with or put alongside the variable. A coefficient is, in other words, the numerical component of a phrase that contains both constants and variables. For instance, the coefficient in the expression 2x is 2.

The algebraic representation of the given statement is:

4 times the positive square root of z: 4√z

4 times the positive square root of z: 4√z - 3x

Hence, the algebraic representation of the statement subtract 4 times the positive square root of z from thrice of x is 4√z - 3x.

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so he got them for £10 all 24 bars, then he went and sold each for 50c, so hmmm 24 at £0.50 that's (24)(0.5) = 12, so he bought them for £10 and sold them for £12, he's got a surplus or profit of £2.

now, if we take 10(origin amount) as the 100%, what's 2 off of it in percentage?

[tex]\begin{array}{ccll} amount&\%\\ \cline{1-2} 10 & 100\\ 2& x \end{array} \implies \cfrac{10}{2}~~=~~\cfrac{100}{x} \\\\\\ 5 ~~=~~ \cfrac{ 100 }{ x }\implies x=\cfrac{100}{5}\implies x=20[/tex]

The net price is $4,060.75 and the trade discount amount is $ 1,042.25.

Chain discounts = 9/8/5

Total number of snow boards = 21

Calculate the trade discount:

Trade discount = List price x Discount rate

= 5,103 x 0.09

= 459.27

Calculating the net price after the first discount:

= List price - Trade discount

= 5,103 - 459.27

= 4,643.73

Calculating the net price after the second discount:

= Net price after first discount x (1 - Discount rate)

= 4,643.73 x (1 - 0.08)

= 4,274.47

Calculating net price after the third discount:

= Net price after second discount x (1 - Discount rate)

= 4,274.47 x (1 - 0.05)

= 4,060.75

Calculating the trade discount amount -

= 459.27 + 379.26 + 203.72

= 1,042.25

Complete Question:

Sam’s Ski Boards. com offers 9/8/5 chain discounts to many of its customers. The Ski Hut ordered 21 ski boards with a total list price of $5,103. What is the net price and trade discount amount?

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Answer:

143°

When solving angle problems, make sure to label the other angles (even the ones that are not asked) and use them to relate to each other to find the answer.

Answer:

105 degrees

Step-by-step explanation:

sum of angles in triangle is 180 degrees

11x-5+6x+5+x = 180

simplify this to get 18x=180

180/18 = 10 = x

plug in 10 for x

11(10) - 5

110-5

105

Table C represents a linear relationship that is also proportional. This is because the ratio of the output (y) to the input (x) is always constant, which is a characteristic of proportional relationships.

What is a linear equation?

A linear equation is an algebraic equation that represents a straight line on a graph. In general, a linear equation takes the form:

y = mx + b

A linear relationship between two variables, x and y, is one in which the change in y is directly proportional to the change in x. This means that for any change in x, there is a corresponding change in y that can be expressed as a constant multiple of x.

For example, if we have a linear relationship y = mx + b, where m is the slope of the line and b is the y-intercept, then if we increase x by 1 unit, y will increase by m units. This relationship holds true for all values of x and y along the line.

A proportional relationship, on the other hand, is a special case of a linear relationship in which the ratio of y to x is always the same constant. This means that if we increase x by 1 unit, y will increase by a constant multiple of x. In other words, the relationship between x and y is one of scaling, where the size of y is always a fixed multiple of the size of x.

Therefore, Table C represents a linear relationship that is also proportional. This is because the ratio of the output (y) to the input (x) is always constant, which is a characteristic of proportional relationships.

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Answer: graph is attached

Step-by-step explanation:

your equation is y = -3.5x + 50

your slope is - 3.5, your y intercept is 50

to graph it yourself using a line tool

start your first point at the y intercept of 50

put your first point

next, your slope is - 3.5 this means y/x for slope is -3.5 / 1

rise is -3.5 down and run is over right +1

because we want a straight line and the slope is a fraction, make a table and you can use points that are on exact numbers instead of fractions.

at x = 0, y = 50

at x = 1, y = 46.5 ( 50 - 3.5)

at x = 2, y = 43  (46.5 - 3.5)

at x = 3, y = 39.5 ( 43 - 3.5)

at x = 4, y = 36  ( 39.5 - 3.5)

you can graph the even numbers and draw your line.

see attached graph and table.

Answer:

B

Step-by-step explanation:

1. Notice all the LHS answers are (0,-6) so that's definitely an answer

2. Substitute out the y so 2nd equation becomes x-6=x^2-6; so x^2-x=0; therefore x=0 or x=1

3. x=1 so y=-5 and that's the second answer hence B

Answer:

The answer is B.

Step-by-step explanation:

hope this helps

The perimeter of the non-shaded region in the figure can be calculated to be 14 inches.

Given a figure.

The middle portion of the figure is not shaded.

It is required to find the perimeter of the non-shaded region.

It is given that:

The whole area of the shaded region = 78 inches²

The area of the small square which is situated at the bottom is:

Area of small square = 2 × 4

                                  = 8 inches²

So, the area of the rest of the shaded area = 78 - 8

                                                                       = 70 inches²

Now, the area of the whole region without the small square is:

Area = 10 × (10 - 2)

        = 80 inches²

So, the area of the non-shaded region = 80 - 70

                                                                = 10 inches²

The width of the non-shaded rectangle is 2 inches.

So, length = 5 inches.

So, the perimeter is:

P = 2(5 + 2)

  = 14 inches

Hence, the perimeter is 14 inches.

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The figure is given below.

Over a year, the Blue Valley Glacier typically moves about the same distance as the Silver Lake Glacier, and Blue Valley has the same variability in its annual movement compared to Silver Lake.

The median annual movement of the Blue Valley Glacier is 300.2 feet, and the interquartile range is 14 feet.

The interquartile range indicates the spread of the data within the middle 50% of the data

So we know that the annual movement of the Blue Valley Glacier falls within a range of 300.2 ± 7 feet (i.e. 293.2 to 307.2 feet)

Similarly, the median annual movement of the Silver Lake Glacier is 300.4 feet, and the interquartile range is also 14 feet

So the annual movement of the Silver Lake Glacier also falls within a range of 300.4 ± 7 feet (i.e. 293.4 to 307.4 feet)

Since the ranges for both glaciers overlap and have the same size, we can conclude that they typically move about the same distance over a year, and that the variability in the annual movement of Blue Valley is comparable to that of Silver Lake.

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Greek number prefixes are employed in the naming of molecular (covalent) substances.

Greek number prefixes are employed in the naming of molecular (covalent) substances. Prefixes are always combined in order of size (left-to-right in the table below). For instance, "heptadecatetracta" (7 + 10 + 400) would be the prefix for the number 417.

We utilise prefixes (mono-, di-, tri-, etc.) at the beginning of each element in molecular compounds to denote the element's subscript, but we only use the prefix mono- for the compound's second element.

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Hello!

Given,

Perimeter of rectangle = 32 cm

Width = 7cm

Perimeter of a rectangle = 2 (l+b)

32cm = 2l + 2 (7cm)

32 cm = 2l + 14cm

32cm -14cm =2l

2l= 18cm

l = 9cm

Area of a rectangle = length × breadth

= 7cm × 9cm

= 63 cm^2

The exponential model for the population can be written as P = 20000 * 1.171^t, where P is the population after t years, 1.171 is the growth factor per year (100% + 17.1%), and 20000 is the initial population.

This equation assumes that the population grows continuously at a constant rate of 17.1% per year. It is an example of exponential growth, which means that the population increases at an increasingly faster rate over time.

Using this model, we can predict the population size at any point in the future. For example, after 5 years, the population would be P = 20000 * 1.171^5 = 41,992 organisms. It is important to note that this model is based on certain assumptions, such as unlimited resources and a constant growth rate, which may not always hold true in real-world scenarios.

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The three examples of contracts are:

Contracts are legal agreements between two or more parties that involve the exchange of goods, services, or money. They can be classified as unilateral or bilateral, express or implied, executed or executory.

Here are three examples of contracts that a person can be a part of:

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Answer:

It has no solution within Real numbers. Its solutions are Complex/imaginary, since its discriminant is negative (-64).

Step-by-step explanation:

The normalized form of the equation

(x+2)^2= - 16

x^2 + 4x + 4 = - 16

x^2 + 4x + 20 = 0

We have in the form ax^2 + abx + c = 0

a = 1

b = 4

c = 20

Discriminant is b^2 - 4ac = 4^2 - 4*1*20 = 16 - 80 = - 64

Discriminant is negative, therefore, no Real solutions.

The matrix A does not eigenvector v corresponding to the given eigen value.

λ.A = [ -11  60 ]

v = [ 1   3λ ]

v is an eigenvector of A calculate corresponding eigenvalue,

A × v = λ × v

where A is the given matrix.

v is the given vector.

λ is the corresponding eigenvalue.

× denotes matrix multiplication.

Let's first calculate A × v we have,

A × v

= [-11 60] × [ 1 3λ]

= [-11-33λ    60+ 180λ]

Check A× v is equal to λ × v ,

λ × v =

λ × [ 1 3λ]

= [λ  3λ^2]

Set these two vectors equal to each other and get the following system of equations ,

-11-33λ = λ  __(1)

60+ 180λ = 3λ^2  ___(2)

From equation (1) we get,

⇒34λ = -11

⇒ λ = -11/34

Substituting this value of λ into the second equation, we have,

60+ 180λ = 3λ^2

⇒ 60 + 180(-11/34) = 3(-11/34)^2

⇒ (2040 -1980)/ 34 = 3(-11/34)^2

⇒ 60/34 = 3( 11/34)^2

⇒ 60 × 34 = 3 × 11 × 11

⇒20× 34 = 11 × 11

Which is not true.

so the value of λ does not satisfies both equations.

Therefore, v is not an eigenvector of A with corresponding eigenvalue λ.

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The above question is incomplete, the complete question is:

Check whether v is an eigen vector of A  if yes find the corresponding eigen value.

λ.A = [ -11  60 ]

v = [ 1   3λ ]

Therefore, the initial value of the function is $1,852 and the rate of change is $12.18 per shirt. The initial value represents the cost of the shirts before any were purchased,

In mathematics, a function is a rule that assigns to each element in a set called the domain, a unique element in another set called the range. In other words, a function is a mathematical object that takes an input and produces a specific output, according to a specific set of rules or operations.

by the question.

et the initial value be represented by a and the rate of change by r.

The given information can be represented by the following equation:

a + 150r = 1,852

Since the flat-rate shipping cost is $25, the cost of the 150 shirts alone would be:

a + 150r - 25 = 1,827

The initial value, a, represents the cost of the shirts before any shirts were purchased. In this case, it would be the cost of the shirts if no shirts were purchased plus the flat-rate shipping cost of $25.

So, a = 1,827 + 25 = 1,852.

The rate of change, r, represents the increase in cost for each additional shirt purchased. In this case, it would be the cost of one shirt.

So, r = (1,852 - 25)/150 = 12.18.

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Green Circle's circumference is 138.16 metres.

Blue Circle's circumference is 69.08 metres.

The green circle has a radius of 22 metres.

The blue circle's diameter is 1/2. the green circle's radius is 12*22, or 11 metres.

The formula for circumference is C = 2r.

The Green circle's circumference is 2*3.14*22, or 138.16 metres.

The Blue Circle's circumference is 2 * 3.14 * 11 = 69.08 metres.

What is its diameter?

The circumference of a circle or other curved geometric object refers to its length. It is the boundary across any two-dimensional circular surface measured linearly in one dimension.

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Therefore, Zahid earned $1,001.16 in that particular week in hour and Samantha earned $1,237.50 in that particular week.

An hour is a unit of time measurement that represents a duration of 60 minutes or 3,600 seconds. It is commonly used to measure time in various contexts, such as work schedules, meetings, and appointments. The abbreviation for hour is "hr" or "h".

Given by the question.

For Zahid:

Regular wage per hour = $774.72 / 36 hours = $21.52/hour

Overtime wage per hour = 1.5 x $21.52 = $32.28/hour

Zahid worked 7 hours of overtime (43 - 36 = 7)

Zahid's earnings for the week would be:

Regular earnings = 36 hours x $21.52/hour = $775.20

Overtime earnings = 7 hours x $32.28/hour = $225.96

Total earnings = Regular earnings + Overtime earnings = $1,001.16

For Samantha:

Regular wage per hour = $962.50 / 35 hours = $27.50/hour

Overtime wage per hour = 2 x $27.50 = $55/hour

Samantha worked 5 hours of overtime (40 - 35 = 5)

Samantha's earnings for the week would be:

Regular earnings = 35 hours x $27.50/hour = $962.50

Overtime earnings = 5 hours x $55/hour = $275

Total earnings = Regular earnings + Overtime earnings = $1,237.50

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The required points are (0,2) and (0,-2) respectively.

The equation of the ellipse is 4x² + y² = 4. Find the points on the ellipse that are farthest away from the point (1,0). (Round your answers to the nearest hundredth.)Solution:The given equation of the ellipse is 4x² + y² = 4.Let (x, y) be a point on the ellipse.The square of the distance between (x, y) and (1,0) is given by:(x - 1)² + y²The maximum and minimum of (x - 1)² + y² occur at the same point where the maximum and minimum of [(x - 1)² + y²] is equal to the maximum and minimum of [4x² + y² - 4] and also where the gradient of both functions is perpendicular.Thus, we need to find the maximum and minimum of the function f(x, y) = (x - 1)² + y² subject to the constraint 4x² + y² = 4.Maximize and minimize the function f(x, y) subject to the constraint 4x² + y² = 4 using Lagrange multipliers.Let g(x, y) = 4x² + y² - 4 = 0 be the constraint equation.Let L be the Lagrange functionL(x, y, λ) = f(x, y) + λg(x, y)Therefore, L(x, y, λ) = (x - 1)² + y² + λ[4x² + y² - 4]Now differentiate L(x, y, λ) partially with respect to x, y and λ.Lx = 2(x - 1) + 8λxLy = 2y + 2λydL/dλ = 4x² + y² - 4 = 0From the equation dL/dλ = 0, we get4x² + y² = 4 ⇒ x²/1 + y²/4 = 1Thus, the ellipse can be represented as:x = cosθ; y = 2sinθwhere 0 ≤ θ ≤ 2πThus, Lx = 2(x - 1) + 8λx = 0⇒ 2cosθ - 2 + 8λcosθ = 0Ly = 2y + 2λy = 0⇒ 2sinθ + 2λ(2sinθ) = 0dL/dλ = 4x² + y² - 4 = 0⇒ 4cos²θ + 4sin²θ - 4 = 0⇒ cos²θ + sin²θ = 1∴ 4λsinθ + cosθ - 1 = 0Solving the equations obtained above, we get(1) θ = 0: (x, y) = (1,0)(2) θ = π: (x, y) = (-1,0)(3) θ = π/2: (x, y) = (0,2)(4) θ = 3π/2: (x, y) = (0,-2)The points on the ellipse that are farthest away from the point (1,0) are (0,2) and (0,-2).(0,2) has the largest y-value, and (0,-2) has the smallest y-value.Therefore, the required points on the ellipse are:(0, 2) (larger y-value)(0, -2) (smaller y-value)Hence, the required points are (0,2) and (0,-2) respectively.

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(A). The probability distribution of X is approximately normal because the sample size is large enough (n = 50) and the population proportion (p = 0.78) is not too close to 0 or 1.

(B) The mean of the approximately normal distribution is μ = np = 50 x 0.78 = 39, and the standard deviation is σ = sqrt(np(1-p)) = sqrt(50 x 0.78 x 0.22) = 3.22.

(C) To calculate the probability that 35 or fewer individuals need to standardize the value of X using the formula z = (X - μ) / σ. Then, z = (35 - 39) / 3.22 = -1.24 in the standard normal distribution table or using a calculator. The probability is approximately 0.1093 or 10.93%.

(D). The null hypothesis is H0: p = 0.78, and the alternative hypothesis is Ha: p < 0.78. The test statistic is z = (35/50 - 0.78) / sqrt(0.78 x 0.22 / 50) = -1.97, which has a p-value of 0.0244 or 2.44%.

Probability is a branch of mathematics that deals with the study of random events. It is the measure of the likelihood of an event occurring, expressed as a number between 0 and 1. An event with probability 0 means it will never occur, while an event with probability 1 means it will always occur.

The calculation of probability involves analyzing the possible outcomes of an event and assigning a probability to each outcome based on its likelihood of occurring. The probability of an event is determined by dividing the number of favorable outcomes by the total number of possible outcomes. Probability is used in various fields, such as statistics, finance, engineering, and science, to make predictions and informed decisions.

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Answer:

12

Step-by-step explanation:

6=a/4+2

L.C.M=4

4(6)=a+6(2)

24=a+12

24-12=a

a=12

(a) Distance travelled in first 48 minutes = 40 km. (b)(i) Distance travelled in remaining journey = 30 km. (ii) Yes, Stanley arrived at Peter's house before 9:30 a.m. as he reached there at 9:28 a.m.

(a) To find the distance travelled for the first 48 minutes, we can use the formula:

distance = speed x time

The speed is 50 km/h and the time is 48/60 hours (since 48 minutes is 0.8 hours). So,

distance = 50 x 0.8

distance = 40 km

Therefore, Stanley travelled 40 km for the first 48 minutes of his trip.

(b) Let's use the formula for average speed:

average speed = total distance ÷ total time

We know that the total distance is the distance travelled in the first 48 minutes plus the distance travelled for the remaining journey. Let's call the distance for the remaining journey "d". We also know that the total time is 1 hour (60 minutes).

So,

70 = (40 + d) ÷ 1

40 + d = 70

d = 30

Therefore, the distance for the remaining journey is 30 km.

(i) To express the distance travelled for the remaining journey in terms of 1, we can use the formula we found in part (b):

d = 30 km

(ii) To find out if Stanley arrived at Peter's house before 9:30 a.m., we need to know the total time of his journey. We know that he left his home at 8:00 a.m. and his average speed was 70 km/h. So, the total distance he travelled is:

distance = speed x time

distance = 70 x time

We also know that the total distance is the distance for the first 48 minutes plus the distance for the remaining journey:

distance = 40 + 30

distance = 70 km

Therefore, the total time of his journey is:

time = distance ÷ speed

time = 70 ÷ 70

time = 1 hour

Since he arrived at Peter's house at 9:00 a.m. (1 hour after he left his home), we can conclude that he arrived before 9:30 a.m.

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Answer:

436g

Step-by-step explanation:

1kg=1000g

3kg=3000g

3000+52=3052

3052÷7=436

Answer: x = -2

Step-by-step explanation:

Since both equations are in the y-slope form,

we can use substitution for y in finding x.

Hence,

4x=x-6

4x-x=x-x-6

Subtract x from both sides to get x on one side and integer on one side.

[tex]\frac{3x}{3} =\frac{-6}{3}[/tex]

Divide 3 to find the value of x

x=-2

You walked a total of 4576 yards to get to the basketball court.

In order to represent amounts in a more practical or acceptable unit of measurement, unit conversions are crucial for addressing mathematical issues. In this task, for instance, we were given distances in miles but had to translate them into yards to get the overall distance travelled. We wouldn't be able to compare or combine values that are stated in various units without unit conversions. When working with formulae or equations that contain physical quantities with multiple units, unit conversions are also crucial.

Given that, the distance walked is 1.5 miles and 1 1/10 miles.

Coverting into yards we have:

1.5 miles is equal to 1.5 x 1760 = 2640 yards

1 1/10 miles is equal to (1 + 1/10) x 1760 = 1936 yards

Total distance is:

2640 + 1936 = 4576 yards

Hence, you walked a total of 4576 yards to get to the basketball court.

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Markov's inequality says that for a positive random variable X and any positive real number a, the probability that X is greater than or equal to a is less than or equal to the expected value of X divided by a.

(i) Let X be the number of automobiles sold next week. We have E(X) = 16, and we want to find an upper bound to P(X > 18).

Using Markov's inequality, we have:

P(X > 18) <= E(X)/18 = 16/18 = 8/9

Therefore, an upper bound to the probability that next week's sales exceed 18 is 8/9.

(ii) Let X be the number of automobiles sold next week. We have E(X) = 16 and Var(X) = 9.

By Chebyshev's inequality, we have:

P(|X-E(X)| < k*sqrt(Var(X))) >= 1 - 1/k^2

We want to find a lower bound to P(10 ≤ X ≤ 22).

First, we standardize X by subtracting the mean and dividing by the standard deviation:

Z = (X - E(X))/sqrt(Var(X)) = (X - 16)/3

We want to find P(10 ≤ X ≤ 22), which is equivalent to finding P(-2 ≤ Z ≤ 2). Using Chebyshev's inequality with k=2, we have:

P(-2 ≤ Z ≤ 2) >= 1 - 1/2^2 = 3/4

Substituting back for X, we get:

P(10 ≤ X ≤ 22) = P(-2 ≤ (X - 16)/3 ≤ 2) >= 3/4

Therefore, a lower bound to the probability that next week's sales are between 10 and 22, inclusively, is 3/4.

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