*PLS HELP*
Drag and drop each verbal phrase next to the algebraic expression that models it.
the base salary of an employee and a 6%
salary increase
x+0.06x=1.06x
x-0.60x=0.40x
x+0.60x= 1.60x
the number of students attending school
last year and a 60% increase from last year
ix-0.06x=0.94x
the cost of groceries and a 6% discount
with coupons
the price of a winter coat and a 60%
discount

you do 479 x 2 = 958 there is your answer your welcome

Carla's biking rate is approximately 13.67 miles per hour for the first 3 hours and 13.29 miles per hour for the entire 7 hours.

To find Carla's biking rate, we need to use the formula:
rate = distance / time

Using the information given in the question, we can calculate the rate for each time interval:

For the first 3 hours:
distance = 41 miles
time = 3 hours
rate = distance / time
rate = 41 miles / 3 hours
rate = 13.67 miles per hour

For the entire 7 hours:
distance = 93 miles
time = 7 hours
rate = distance / time
rate = 93 miles / 7 hours
rate = 13.29 miles per hour

Therefore, Carla's biking rate is approximately 13.67 miles per hour for the first 3 hours and 13.29 miles per hour for the entire 7 hours.

To find Carla's biking rate, we can set up an equation using the distance formula: distance = rate × time.

From the information given, we know:
1. After 3 hours, she is 41 miles away.
2. After 7 hours, she is 93 miles away.

Let's use "r" for Carla's biking rate.

For the first situation:
Distance1 = r × 3 hours
41 miles = 3r

For the second situation:
Distance2 = r × 7 hours
93 miles = 7r

Now, we can subtract the first equation from the second equation to find the distance she traveled between the 3rd and 7th hours:
93 - 41 = 7r - 3r
52 miles = 4r

Next, we will solve for "r" by dividing both sides by 4:
52 miles / 4 = r
13 miles/hour = r

So, Carla's biking rate is 13 miles per hour.

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Answer:

The answer is 15h You welcome! :)

Answer:

15h

Step-by-step explanation:

Assume a variable in an algebraic expression is equal to 1 if undefined

\(h = 1\)

Remove h from the leading terms, 9h and 5h, for convenience

\(= 5 + 9 = 14\)

Add the isolated h

\(14 + h \\= 14 + 1h\\= 15h\)

The t-statistic is 0 based on regression equation.

To compute the missing value, we need to use the regression equation: y = mx + b. We know that the adjusted r squared is 0.4, so the coefficient of determination is 0.4. This means that 40% of the variation in y can be explained by the variation in x.

We also know that the mean residual sum of squares is 9.6, which is the average of the squared differences between the predicted values and the actual values.

Using these values, we can find the regression equation:

y = mx + b
0.4 =\(slope of regression^2 * variance of x / variance of y\)

Since the variance of x is 1.67 and the variance of y is unknown, we can solve for the slope of regression:

slope of regression = \(\sqrt{(0.4 * variance of y / 1.67) }\)

Next, we can use the slope of regression to find the missing value:

y = mx + b
0 = slope of regression * 0 + b
b = 0

Therefore, the regression equation is:

y = slope of regression * x

Using the remaining data points, we can find the slope of regression:

(0,0) -> (1,0): slope = 0 / 1 = 0
(1,0) -> (2,0): slope = 0 / 1 = 0
(2,0) -> (3,-?): slope = (-?) / 1 = -slope of regression

Since we know that the slope of regression is -2, we can solve for the missing value:

(-?) / 1 = 2
-? = 2
? = -2

Therefore, the missing value is -2.

To find the t-statistic used to test the null hypothesis that the slope of regression is equal to -2, we need to use the following formula:

t = (slope of regression - hypothesized slope of regression) / standard error of slope

The standard error of slope is given by:

SE = \(\sqrt{(mean residual sum of squares / (n - 2) / variance of x) }\)

Using the values given in the problem:

SE = \(\sqrt{(9.6 / (3 - 2) / 1.67)}  = \sqrt{(9.6 / 1.67)}\) = 2.57

Therefore, the t-statistic is:

t = (-2 - (-2)) / 2.57 = 0

The t-statistic is 0.

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The requried, there are 8998912 possible license plates that can be generated using this format.

There are 8 digits that can be used for each of the three digits on the license plate, with two digits (4 and 5) that cannot be used. Therefore, there are 8 choices for each of the three digits, giving us 8 x 8 x 8 = 512 possible combinations for the digits.

Similarly, there are 26 letters that can be used for each of the three letters on the license plate. Therefore, there are 26 choices for each of the three letters, giving us 26 x 26 x 26 = 17576 possible combinations for the letters.

Total number of license plates = number of choices for the digits x number of choices for the letters

= 512 x 17576

= 8998912

Therefore, there are 8998912 possible license plates that can be generated using this format.

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An estimator is said to be unbiased if the expected value of the estimator is equal to the true value of the parameter being estimated.

Unbiased estimators are useful because they provide an estimate that, on average, is equal to the true value of the parameter, making them desirable for making accurate inferences about a population.

In statistics, an estimator is a statistic used to estimate the value of an unknown parameter in a population. An estimator is said to be unbiased if, on average, it produces an estimate that is equal to the true value of the parameter. An unbiased estimator is desirable because it provides an estimate that is, on average, accurate, which is important for making inferences about a population.

Biased estimators, on the other hand, tend to consistently overestimate or underestimate the true value of the parameter, which can lead to incorrect conclusions. Therefore, unbiased estimators are useful because they provide more accurate estimates, which can lead to more reliable inferences about a population.

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The company's ending inventory on March 20, using the averaging method, would be $75.

Based on the information given, the company purchased a total of 20 footballs - 10 for $5 each and 10 for $7 each. The total cost of these purchases would be (10 * $5) + (10 * $7) = $50 + $70 = $120.

Since the company sold 9 footballs on March 20, the cost of the sold footballs would be 9 * $5 (as per the averaging method). Therefore, the cost of the sold footballs is $45.

To calculate the ending inventory, we subtract the cost of the sold footballs from the total cost of the purchases. Thus, the ending inventory would be $120 - $45 = $75.

In conclusion, the company's ending inventory on March 20, using the averaging method, would be $75.

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Answer:

x=12

Step-by-step explanation:

Answer:

12

Step-by-step explanation:

just find the arithimetic sequence and count backwards have a great day

Answer: 8

Step-by-step explanation:

To determine the height of a tree using geometric means, we can set up a proportion based on similar triangles.

Let's assume "h" represents the height of the tree.

We have the following information: Distance from the tree: 8 ft

Height to your eyes: 4 ft

We can set up the proportion: Your height to distance = Tree height to distance

4 ft / 8 ft = h / (8 ft + h)

To solve for "h," we can cross-multiply and then solve the resulting equation:

4 ft * (8 ft + h) = 8 ft * h

4(8 + h) = 8h

32 + 4h = 8h

32 = 4h

Divide both sides of the equation by 4:

8 = h

Therefore, the height of the tree is 8 feet.

Answer:

The answer is B

Step-by-step explanation:

IF YOU ACUALLY DO THE MATH.....

100 x 5= 5000 so 800 times 5 is 4000.

4000 is less than 4500 so b is for a better price.

Answer:

A-50 sheets at a time for $600 =6000

Step-by-step explanation:

b 100 sheets at a time for $800=4000

c 250 sheets at a time for $2,500=5000

d 500 sheets at a time for $4,500=4500

Which is higher well A

Answer:

If you didn't know what the question was, here is the translation:

The ethanol density is 0.79 gr / ml. Calculate the mass of ethanol 25.7 ml of ethanol.

Answer:

A

Step-by-step explanation:

Using Pythagoras' identity in the right triangle.

The square on the hypotenuse is equal to the sum of the squares on the other 2 sides , that is

a² + 3² = 5²

a² + 9 = 25 ( subtract 9 from both sides )

a² = 16 ( take square root of both sides )

a = \(\sqrt{16}\) = 4 → A

Answer:

a=4

Step-by-step explanation:

In this problem, you would use Pythagorean Theorem which is

a² + b² = c²

a and b are legs and c is the hypotenuse. In this problem, a and 3 are the legs while 5 is the hypotenuse. So...

a=a

b=3

c=5

Now substitute the values into the equation

a²+3²=5²

Exponents

a²+9=25

Subtract 9 on both sides

a²= 16

Square root on both sides

√a²=√16

Simplify

a=4

Hope this helped!

Answer:

approx. $1.85 or $1.86 each marker

Answer:

1.85 for each

Step-by-step explanation:

The factor form of the quadratic equations are listed below:

Case 13: (b - 4) · (b - 2)

Case 14: (n + 4) · (n + 2)

Case 15: 2 · (n + 9) · (n - 6)

Case 16: 5 · (n + 2)²

Case 17: 2 · (k + 5) · (k + 6)

Case 18: (a - 10) · (a + 9)

Case 19: (p + 10) · (p + 1)

Case 20: 5 · (v - 2) · (v - 4)

Case 21: 2 · (p + 2) · (p - 1)

Case 22: 4 · (v - 2) · (v + 1)

Case 23: (x - 10) · (x - 15)

Case 24: (v - 5) · (v - 2)

Case 25: (p + 6) · (p - 3)

Case 26: 6 · (v + 10) · (v + 1)

In this problem we find quadratic equations of the form a · x² + b · x + c, whose factor form is introduced below:

a · x² + b · x + c = a · x² + a · (- r₁ - r₂) · x + a · r₁ · r₂ = a · (x - r₁) · (x - r₂)

Where r₁, r₂ are real roots.

Now we proceed to present the factor form of each quadratic equation:

Case 13

b² - 6 · b + 8 = (b - 4) · (b - 2)

Case 14

n² + 6 · n + 8 = (n + 4) · (n + 2)

Case 15

2 · n² + 6 · n - 108 = 2 · (n² + 3 · n - 54) = 2 · (n + 9) · (n - 6)

Case 16

5 · n² + 10 · n + 20 = 5 · (n² + 2 · n + 4) = 5 · (n + 2)²

Case 17

2 · k² + 22 · k + 60 = 2 · (k² + 11 · k + 30) = 2 · (k + 5) · (k + 6)

Case 18

a² - a - 90 = (a - 10) · (a + 9)

Case 19

p² + 11 · p + 10 = (p + 10) · (p + 1)

Case 20

5 · v² - 30 · v + 40 = 5 · (v² - 6 · v + 8) = 5 · (v - 2) · (v - 4)

Case 21

2 · p² + 2 · p - 4 = 2 · (p² + p - 2) = 2 · (p + 2) · (p - 1)

Case 22

4 · v² - 4 · v - 8 = 4 · (v² - v - 2) = 4 · (v - 2) · (v + 1)

Case 23

x² - 15 · x + 50 = (x - 10) · (x - 15)

Case 24

v² - 7 · v + 10 = (v - 5) · (v - 2)

Case 25

p² + 3 · p - 18 = (p + 6) · (p - 3)

Case 26

6 · v² + 66 · v + 60 = 6 · (v² + 11 · v + 10) = 6 · (v + 10) · (v + 1)

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16.67 cups of sugar, rounded to the nearest two decimals. As a result, Prahar would require approximately 16.67 cups of sugar to serve 20 people.

Using the original recipe, which serves six people, we can calculate how much of an ingredient Prahar would require for a 20-person serving. Let's pick the ingredient "cup sugar" and figure out how much we need.

The original dish:

6 servings = 5 cups sugar

We need to find how much sugar required for 20 servings. Let's set the percentage:

When we cross-multiply 6 servings with 5 cups of sugar, we get 20 servings with x cups of sugar.

6 * x cups of sugar = 5 * 20 servings 6x = 100 In order to isolate x, we divide both sides of the equation by 6:

x = 100 / 6 We can simplify the calculation by using either fractions or decimals:

x = 16.67 cups of sugar, rounded to the nearest two decimals. As a result, Prahar would require approximately 16.67 cups of sugar to serve 20 people.

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Answer: $329.00

Explanation: To reconstruct an original price from a sale price, use:

Original Price – Original Price * Mark-down-percent = Sale Price, or

Original Price * (1 - Mark-down-percent) = Sale Price

To do a double mark-down problem, we must do this twice.  For the 10%:

Original Sale Price * (1 – 10%) = $207.27

Original Sale Price = $207.27/0.9 = $230.30.

For the pre-all-discount price,

Original Price * (1 – 30%) = $230.30

Original Price = $230.30/0.7 = $329.00.

(a) With 10 rectangles using left endpoints, 5 rectangles are contributing negative area values to the estimated net area. This means that the function is below the x-axis in those intervals.

The remaining 5 rectangles are contributing positive area values, as the function is above the x-axis in those intervals.

When using midpoints, the number of positive and negative rectangles may not be the same. It depends on the behavior of the function within each subinterval. The use of midpoints can result in a different distribution of positive and negative rectangles compared to using left endpoints.

(b) The error when using midpoints with 10 subintervals can be determined by calculating the difference between the estimated net area using midpoints and the actual net area.

To calculate the error, we need to evaluate the definite integral of the function over the given interval and subtract the estimated net area using midpoints.

Error = Actual Net Area - Estimated Net Area using Midpoints

Since the exact values are not provided, the specific error value cannot be determined without further information or calculations.

Using left endpoints with 10 rectangles, 5 rectangles contribute negative area values and 5 contribute positive area values. When using midpoints, the distribution of positive and negative rectangles may differ. The error when using midpoints can be calculated by subtracting the estimated net area using midpoints from the actual net area, but the exact error value cannot be determined without further information or calculations.

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(a) \([17] + [21] \cdot [98] - [5] = [12]\) in \(\mathbb{Z}_{13}\).

(b) If we are working in the ring \(\mathbb{Z}_{157}\), the value of \(n\) is 157.

(a) To explicitly check the expression \([17] + [21] \cdot [98] - [5]\) in \(\mathbb{Z}_{13}\), we need to perform the operations using modular arithmetic.

First, let's compute \([21] \cdot [98]\):

\[ [21] \cdot [98] = [21 \cdot 98] \mod 13 = [2058] \mod 13 = [0] \mod 13 = [0]\]

Next, we can substitute the results into the original expression:

\[ [17] + [0] - [5] = [17] - [5] = [12]\]

(b) We are given the expression \([5] \cdot [7] \cdot [8] \cdot [9]\) in \(\mathbb{Z}_n\) and we need to find the value of \(n\) if the expression makes sense.

To find the value of \(n\), we can evaluate the expression:

\[ [5] \cdot [7] \cdot [8] \cdot [9] = [5 \cdot 7 \cdot 8 \cdot 9] \mod n\]

We are given that the result is equal to 157:

\[ [5 \cdot 7 \cdot 8 \cdot 9] \mod n = [157] \mod n\]

To find \(n\), we can solve the congruence equation:

\[ [5 \cdot 7 \cdot 8 \cdot 9] \mod n = [157] \mod n\]

Since 157 is a prime number, there are no factors other than 1 and itself. Therefore, we can conclude that the value of \(n\) is 157.

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Answer:

84/90

Step-by-step explanation:

Let 0.9333....... be x.

10x = 9.3333....... & 100x = 93.33333.......

So,

=> 100x - 10x = 93.33333...... - 9.333333.....

=> 90x = 84

=> x = 84/90

Answer:

14/15

Step-by-step explanation:

Let x = 0.9333...

Multiply this by 100:

100x = 93.333...

Multiply the first one by 10, as well:

10x = 9.333...

We now have:

100x = 93.333...

10x = 9.333...

Since the right of the decimal point for both numbers includes this repeating 3 part, we can simply subtract the two equations and cancel out the 3s:

100x - 10x = 93.333... - 9.333...

90x = 84

Divide by 90:

x = 84/90 = 14/15

The answer is thus 14/15.

~ an aesthetics lover

Using it's concepts, it is found that the domain and the range of the function are given as follows:

In this problem, the function is:

\(y = \frac{1}{3}\sqrt{x - 4}\)

The square root exists only for non-negative values, hence the domain is found as follows:

\(x - 4 \geq 0 \rightarrow x \geq 4\)

The result of the square root function is never negative, hence the range of the function is \(y \geq 0\).

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Answer:

∠ R ≈ 36.9°

Step-by-step explanation:

Using the cosine ratio in the right triangle

cos R = \(\frac{adjacent}{hypotenuse}\) = \(\frac{RT}{RS}\) = \(\frac{8}{10}\) , thus

∠ R = \(cos^{-1}\) (\(\frac{8}{10}\) ) ≈ 36.9° ( to 1 dec. place )

Answer:

The answer is B.

Answer:

6

Step-by-step explanation:

25 / 10 = 2.5

15 / 2.5 = 6

Answer:

1. Angle 1 congruent to Angle 3, Angle 2 congruent to Angle 4 ( top row last box in answer choices)

2. Reflexive Property of Congruence

3. Angle DGF congruent to Angle DEF

Step-by-step explanation:

Opposite sides of a parallelogram are parallel , so angle 1 ≅ angle 3 and angle 2 ≅ angle 4 because they are alternate interior angles . By the reflexive property of congruence DF ≅ DF . Therefore , △ DGF ≅ △ DEF by the ASA congruence postulate . That means DE ≅GF and DG ≅EF by CPCTC .

Answer: it’s 25 from the height line

Step-by-step explanation:

Answer:

0,25

Step-by-step explanation:

the perimeter of the pentagon greater than 26 centimeters is given by

23.51

Given that a pentagon with 5  sides of equal length and 5 interior angles of equal measure is inscribed in a circle

The circle has area of 16 pi sq cm.

Hence radius of circle = 4 cm

The pengagon each side would be a chord of equal length subtending angle 72 at the centre.

visualize the triangle made by one side of pentagon with centre.  This is isosceles with angles 72, 54 and 54

Use sine angle for this triangle.

, where R = radius =4 and s = side of pentagon.

s= 4.702

Perimeter = 5s = 23.5114 cm

Perimeter not greater than 26 cm.

If origin is at the centre then two vertices would be (4,0) (4cos 72, 4sin72),(4cos 144, 4 sin 144) and so on.

Longest diagonal = distance between (4,0) and (4cos 144, 4 sin 144)

= (-3.236, 2.351) and (4,0)

=7.608

Yes greater than 8 cm

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Answer:

1740 miles

Step-by-step explanation:

They drive the way twice; once they go there and then they go home. Therefore, 870 times 2 equals 1740.

Answer:

4

Step-by-step explanation: