A tennis racket with a price of $180 is subject to a sales tax of 7%. What is the total
price of the racket?
$192.60
$187

The expression that is equal to E is C) Q − RW. When Q is divided by W, the quotient (R) is the result of the division, and the remainder (E) is the leftover value.

We have, When Q is divided by W, the quotient is R and the remainder is E.

From this, we can write the equation

Q = W × R + E

The given equation can also be written as

Q = RW + E

By solving for E, we get

E = Q - RW

Now let us check the given options

A) RW + Q

B) RW - Q

C) Q - RW

D) QW - RE) Q/RW

The correct option that is equal to E is Q - RW. Hence the correct answer is an option (C).

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Answer: copper, silver, gold

Step-by-step explanation:

Answer:

copper siver gold

Step-by-step explanation:

i had this question too

Answer: apply the distributive property to factor out the greatest cmoon factor of alll three terms

Step-by-step explanation: apply the distributive property to factor out the greatest cmoon factor of alll three terms

Answer:

B. 15 cm

Step-by-step explanation:

Answer:

B = 15 cm

Step-by-step explanation:

As BE is an extension of AB, and ABCD is a square (so its interior angles are all right angles), triangle EBF is a right triangle.

If BE = 4 cm and EF = 5 cm, we can use Pythagoras Theorem to calculate the length of BF:

\(BF^2+BE^2=EF^2\)

   \(BF^2+4^2=5^2\)

   \(BF^2+16=25\)

           \(BF^2=9\)

            \(BF=3\;\sf cm\)

As BE is an extension of AB, and ABCD is a square, then BE is parallel to CD. This means that the interior angles of triangle EBF are equal to the corresponding interior angles of triangle DCF. Therefore, the two triangles are similar: ΔEBF ~ ΔDCF.

In similar triangles, corresponding sides are always in the same ratio:

BE : CD = BF : CF = EF : DF

Let "x" be the side length of the square. Therefore:

Substitute these into the ratio and solve for x:

\(\begin{aligned}\sf BE: CD&=\sf BF : CF\\\\4 : x &= 3: (x - 3)\\\\\dfrac{4}{x}&=\dfrac{3}{(x-3)}\\\\4(x-3)&=3x\\\\4x-12&=3x\\\\4x-12-3x&=3x-3x\\\\x-12&=0\\\\x-12+12&=0+12\\\\x&=12\end{aligned}\)

Therefore:

Substitute these values back into the ratio equation and solve for DF:

\(\sf BE: CD = BF : CF = EF : DF\\\\\phantom{w}4 : 12 \;\:= \;\:\:3 : 9 \;\;= \;\;\:5 : \sf DF\)

Therefore:

    \(\dfrac{3}{9}=\dfrac{5}{\sf DF}\)

\(3 \;\textsf{DF}=45\)

  \(\textsf{DF}=\dfrac{45}{3}\)

 \(\textsf{DF}=15\; \sf cm\)

Therefore, the length of DF is 15 cm.

Constructive criticism refers to feedback or advice given in a positive and collaborative manner with the intention of improving a specific outcome or behavior.

Constructive criticism refers to feedback or advice given in a positive and collaborative manner with the intention of improving a specific outcome or behavior. It involves providing specific and actionable feedback that is timely and favorable to the individual receiving it, with the goal of helping them improve their performance or achieve a particular objective.

Unconstructive criticism, on the other hand, is feedback that is negative, unhelpful, or delivered in a manner that is not collaborative or respectful. It may focus on faults or mistakes without offering solutions or guidance on how to improve, and may be delivered in a way that is hurtful or demotivating to the person receiving it.

It's important to remember that constructive criticism should always be delivered in a positive and supportive manner, with the aim of helping the individual improve and succeed. Providing feedback in a way that is respectful, specific, and actionable can help build trust and foster a positive working relationship between individuals, while also driving better outcomes and results.

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Answer:

x

Step-by-step explanation:

When you add them, you get 4/4x which is also known as 1x.

Answer:

Below

Step-by-step explanation:

Look for   .9300 on the z-score table

   = z-score = + 1.48

  1.48 standard deciations =   1.48 * 15 = 22.2

110 + 22.2 = 132.2

132.2   is 1.48 standard deviations above the mean and is .9308 (93.08%)

The slope of the line that passes through the points (-5, 6) and (-9, -6) is 3

What is slope ?

A line's steepness is determined by its slope. In mathematics, slope is determined by "rise over run" (change in y divided by change in x).

Let the given points as shown:

(x1,y1)= (-5, 6) and (x2,y2)= (-9, -6)

Slope = m = (y2-y1) /( x2-x1)

                 = (-6-6) /(-9-(-5))

                 = -12/-4

                 = 3

So, the slope of the line that passes through the points (-5, 6) and (-9, -6) is 3

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Answer:

Parallel

Step-by-step explanation:

The directional derivative of the function at the given point P in the direction of the given vector is:

(8/21)√(2).

The directional derivative of a function in the direction of a unit vector is the rate at which the function changes in that direction.

To compute the directional derivative of f(x, y) = ln(5 + 3x^2 + 2y^2) at the point P(2, -1) in the direction of the vector ⟨1, 1⟩, we need to:

1) ∇f(x, y) = (6x / (5 + 3x^2 + 2y^2), 4y / (5 + 3x^2 + 2y^2))

Therefore, the gradient of f at P(2, -1) is:

∇f(2, -1) = (24/21, -4/21)

2) To obtain a unit vector in the direction of ⟨1, 1⟩, we need to divide it by its length:

||⟨1, 1⟩|| = √(1^2 + 1^2) = sqrt(2)

Therefore, a unit vector in the direction of ⟨1, 1⟩ is given by:

u = ⟨1, 1⟩ / √2) = ⟨√(2)/2, √(2)/2⟩

3) The directional derivative of f at P in the direction of u is given by:

D_uf(2, -1) = ∇f(2, -1) · u

where "·" denotes the dot product. Substituting the values for ∇f(2, -1) and u, we get:

D_uf(2, -1) = (24/21, -4/21) · (√(2)/2, √(2)/2)

= (24/21)(√(2)/2) + (-4/21)(√(2)/2)

= (8/21)√(2)

Therefore, the directional derivative of f(x, y) at P(2, -1) in the direction of ⟨1, 1⟩ is (8/21)√(2).

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If the number of bacteria doubles every 234 hours, we can use the exponential growth formula to find the population at a future time t:

N(t) = N0 * 2^(t/T)

where N(t) is the population at time t, N0 is the initial population, T is the doubling time (234 hours in this case), and t is the time elapsed.

We are given that the initial population is 15,500 bacteria. We want to find the population 936 hours from now. Therefore, we can substitute the values into the formula:

N(936) = 15,500 * 2^(936/234)

N(936) = 15,500 * 2^4

N(936) = 15,500 * 16

N(936) = 248,000

Therefore, the population of bacteria in the colony will be 248,000 after 936 hours.

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Answer: 7 dollars

Step-by-step explanation:

i think

Answer: A dollar is 100 cents, so you would add the 5 dimes and 12 quarters together. A dime is 10 cents so 10x5 is 50, so you would have 50 cents in dimes. A quarter is 25 cents, so you would multiply 12x25 and you would get 300 and you add those both together to get 350 cents. A dollar is 100 cents so you would have 3 dollars and the remaining 50 cents would stay 50 cents! <33

Step-by-step explanation:

Answer:

ok

Step-by-step explanation:

Answer:

B, the second answer choice

Step-by-step explanation:

Hope this helped! Please mark me as brainliest if you can!

the derivative of the function y = (ln(x + 4))x using logarithmic differentiation is given by y' = (ln(x + 4))x * [ln(ln(x + 4)) + (1/ln(x + 4)) * (1/(x + 4))].

To find the derivative of the function y = (ln(x + 4))x using logarithmic differentiation, we can follow these steps:

Step 1: Take the natural logarithm of both sides of the equation:

  ln(y) = ln((ln(x + 4))x)

Step 2: Use the logarithmic property ln(a^b) = b ln(a) to simplify the right-hand side of the equation:

  ln(y) = x ln(ln(x + 4))

Step 3: Differentiate both sides of the equation implicitly with respect to x:

  (1/y) * y' = ln(ln(x + 4)) + x * (1/ln(x + 4)) * (1/(x + 4))

Step 4: Simplify the expression on the right-hand side:

  y' = y * [ln(ln(x + 4)) + (1/ln(x + 4)) * (1/(x + 4))]

Step 5: Substitute the original expression of y = (ln(x + 4))x back into the equation:

  y' = (ln(x + 4))x * [ln(ln(x + 4)) + (1/ln(x + 4)) * (1/(x + 4))]

Therefore, the derivative of the function y = (ln(x + 4))x using logarithmic differentiation is given by y' = (ln(x + 4))x * [ln(ln(x + 4)) + (1/ln(x + 4)) * (1/(x + 4))].

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Using the formula of volume of rectangular prism;

1. The volume of the rectangular prism is 3672cm³

2. The volume of the rectangular prism is 630in³

3. The volume of the rectangular prism is  3744ft³

The volume of a rectangular prism can be calculated by multiplying its length (l), width (w), and height (h). The formula for the volume of a rectangular prism is:

Volume = length × width × height

V = l × w × h

By substituting the given values for the length, width, and height into the formula, you can calculate the volume of the rectangular prism.

1. To find the volume of the rectangular prism, we have to substitute the value into the formula;

v = 9 * 24 * 17

v = 3672cm³

2. The volume of the rectangular prism is given as;

v = 4.5 * 14 * 10

v = 630in³

3. The volume of the rectangular prism is given as;

v = 8 * 12 * 39

v = 3744ft³

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Answer:

ye s1.8x10-4 is greater than 7.2x10-1

Step-by-step explanation:

The number 1.8*10⁻⁴ is smaller, not larger than 7.2*10⁻¹

We have two numbers in scientific notation, these are:

1.8*10⁻⁴

7.2*10⁻¹

We want to see if the first one is larger than the second one. This is trivial to notices, because the exponent in the first number is 3 orders of magnitude smaller than the other exponent, then the first number is smaller than the second, not larger.

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The attached image shows the triangle with coordinates A(1,4), B(1,7) and C(3,5) and reflected over the line y = 2x + 1.

Reflection refers to the transformation of a geometric shape by flipping it across a line called the line of reflection.

When a shape undergoes reflection, every point on the shape is mapped to a corresponding point on the opposite side of the line of reflection, maintaining the same distance from the line.

For example, if you have a triangle and reflect it across a line of reflection, the resulting image will be a triangle with the same size and angles, but it will be facing in the opposite direction.

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The average score of 301, for a simple random sample of 1,000 students, is approximately 0.95.

a) To determine the likely size of the chance error in the average score of 301 for a cluster sample of 1,000 students, we need additional information about the cluster sampling design.

The cluster sampling method involves dividing the population into clusters, selecting a subset of clusters, and then sampling all individuals within the selected clusters.

The likely size of the chance error depends on the within-cluster variability and the between-cluster variability.

Without information about the variability at each level, we cannot accurately estimate the size of the chance error in this specific scenario.

Therefore, we cannot fill in the blank without more details regarding the cluster sampling design and the variability present in the clusters.

b) If a simple random sample of 1,000 students was tested, we can estimate the likely size of the chance error in the average score of 301. Since a simple random sample implies that each student has an equal chance of being selected, we can use the standard error of the mean formula to estimate the size of the chance error.

The standard error of the mean (SE) is calculated as the standard deviation (SD) divided by the square root of the sample size (n):

SE = SD / √n

Given that the SD is 30 and the sample size (n) is 1,000, we can calculate the standard error:

SE = 30 / √1000 = 30 / 31.62 ≈ 0.95

Therefore, the likely size of the chance error in the average score of 301, for a simple random sample of 1,000 students, is approximately 0.95.

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The slope-intercept form of the equation of the line is y = x + 6.

A linear equation with a degree of one is referred to as an equation of the line. Two variables, x, and y, are present in the equation of the line. The third parameter is the line's slope, which indicates the line's elevation.

The equation of the line's general form is:

y = mx + c

m = slope

c = y-intercept

Slope = ( y₂ - y₁ ) / ( x₂ - x₁ )

The formula for calculating the line's slope is

Slope = ( 6 - 4) / ( 2 - 0)

Slope = 1

The y-intercept will be calculated as:-

y = mx + c

y = x +c

6 = c

The equation of the line can be written as:-

y = x + 6

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If DE is the mid segment in the figure the vales of x are

The value of x is solved using the concept of similar triangles and remembering that DE is the mid segment making the points as the opposite sides of DE equal

The proportions is solved as follows

9. x / 26 = 1 / 2

2x = 26

x = 13

Also

10. 5 / x = 1 / 2

x = 5 * 2

x = 10

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If the mpc increases in value, the consumption function will become steeper.

What is MPC ?

MPC is an advanced method of process control that is used to control a process while satisfying a set of constraints. In economics, the marginal propensity to consume is a metric that quantifies induced consumption, the concept that the increase in personal consumer spending occurs with an increase in disposable income. The proportion of disposable income which individuals spend on consumption is known as propensity to consume. MPC is the proportion of additional income that an individual consumes.

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Answer:

1) 4

2) 1

3) -7

4) 13

Step-by-step explanation:

Instructions:

a) Subtract or add the slope from each side

( it doesn't matter which one you pick )

b) Subtract or add the # next to the slope from each side

( it doesn't matter which one you pick )

c) Divide Each number by the slope

d You have you answer

____________________________________________

1) 9x - 35 = - 7x + 29

+7x + 7x

_____________________

16x - 35 = 29

+ 35 +35

_____________________

16x = 64

_____________________

16 16

x = 4

2). - 2x - 2 = 9x - 13

+2x +2x

_____________________

- 2 = 11x - 13

+ 13 + 13

_____________________

11 = 11x

_____________________

11 11

1 = x

3). 3x + 29 = - 5x - 27

+5x + 5x

_____________________

8x + 29 = - 27

-29 -29

_____________________

8x = -56

_____________________

8 8

x = -7

4). x - 11 = 3x - 37

- x - x

______________________

-11 = 2x - 37

+37 +37

______________________

26 = 2x

_______________________

2 2

13 = x

Hope this helps! (:

Answer:

I cant see the photo

Step-by-step explanation:

(i) The average values for the variables andre, pri gpa, and act is sum of all the values divided by the total number of values.

(ii) The model atenderte 5 b0 1 b1 prigpa 1 b2act 1 u in equation form  is atenderte = b₀ + b₁ x prigpa + b₂ x act + u

(iii) The slope coefficients is  b₁ and b₂

(iv) The predicted atenderte if prigpa 5 3.65 and act 5 20 is atenderte = b₀ + b₁ x 3.65 + b₂ x 20 + u

(v) if student a has prigpa 5 3.1 and act 5 21 and student b has prigpa 5 2.1 and act 5 26, then the predicted difference in their attendance rates is  0.5

In this exercise, we will be exploring a regression model that predicts the attendance rate of students based on their academic performance variables. We will be using three variables to predict the attendance rate: "andre", "pri gpa", and "act". Here are the answers to the questions:

(i) To obtain the minimum, maximum, and average values for the variables "andre", "pri gpa", and "act", we need to first look at the data. The minimum value is the smallest value for each variable, the maximum value is the largest value for each variable, and the average value is the sum of all the values divided by the total number of values.

(ii) The regression model that predicts the attendance rate is written in equation form as

=> "atenderte = b₀ + b₁ x prigpa + b₂ x act + u".

This equation means that the predicted attendance rate (atenderte) is equal to the intercept (b₀) plus the product of the coefficient for "pri gpa" (b₁) and the value of "pri gpa" plus the product of the coefficient for "act" (b₂) and the value of "act".

(iii) The estimated slope coefficients (b₁ and b₂) tell us the expected change in the attendance rate for each one-unit increase in "pri gpa" or "act". If b₁ is positive, it means that as "pri gpa" increases, the attendance rate is expected to increase. Similarly, if b₂ is positive, it means that as "act" increases, the attendance rate is expected to increase.

(iv) To find the predicted attendance rate if "pri gpa" is 3.65 and "act" is 20, we can substitute these values into the regression equation:

atenderte = b₀ + b₁ x prigpa + b₂ x act + u

atenderte = b₀ + b₁ x 3.65 + b₂ x 20 + u

This will give us the predicted attendance rate for a student with "pri gpa" of 3.65 and "act" of 20. If there are any students in the sample with these values of the explanatory variables, then their actual attendance rate should be close to the predicted value.

(v) To find the predicted difference in attendance rates between student A (with "pri gpa" of 3.1 and "act" of 21) and student B (with "pri gpa" of 2.1 and "act" of 26), we can first use the regression equation to predict the attendance rates for each student:

Student A:

atenderteA = b0 + b1 x 3.1 + b2 x 21 + u

Student B:

atenderteB = b0 + b1 x 2.1 + b2 x 26 + u

Then, we can take the difference between the predicted attendance rates for each student:

=> atenderteA - atenderteB

=> 52.6 - 52.1 = 0.5

This will give us the predicted difference in attendance rates between the two students.

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In this case, we'll have to carry out several steps to find the solution.

Step 01:

test scores = 82, 89, and 91

average ≤ 93

inequality = ?

Step 02:

x = score on the next test

inequality:

(82 + 89 + 91 + x ) / 4 ≤ 93

Answer:

Step-by-step explanation:

We can use the Pythagorean Theorem to find the height of the cylinder

We have

height  = √ [ 5^2 - 2^2 ]  = √[25 - 4]   =  √21  units

The data set that could be represented by the box plot shown is B. 2, 3, 5, 5, 6, 7, 8, 10, 11

From the box plot, we see that the first number is 2 which means that option A would be ruled out as it starts with 3. We also see from the box plot that the median is 6.

We then see that the value of Q1 which would be in the 3 rd position would be 4 which leaves us with options B and C. Then we see that the Q4 would be 8. The reason the correct data set is B is because the numbers seem to be rising so the next number after 8 should be 10.

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