Greg earns $2.50 per hour plus $13.50 for each pool he cleans. He worked 8 hours and cleaned 5 pools. How much did he earn?

Answer:

5 < y < 2 This asks for all whole numbers y which are greater than 5 and also less than 2. That's a contradiction so there are no such whole numbers.

Step-by-step explanation:

The standard deviation of the salaries for the company's 80 employees is calculated to be X, where X represents the numerical value of the standard deviation.

The standard deviation measures the dispersion or variability of a set of data points. In order to calculate the standard deviation, we need to first find the mean (average) of the salaries. Then, for each salary, we calculate the difference between the salary and the mean, square that difference, and sum up all the squared differences. Next, we divide the sum by the total number of salaries (80 in this case) minus 1 to obtain the variance. Finally, the standard deviation is obtained by taking the square root of the variance. This accounts for the fact that the squared differences are in squared units, while the standard deviation should be in the original units (currency in this case).

By following this process, we can find the standard deviation of the salaries for the 80 employees in the company. This value represents the measure of variability or spread in the salary distribution, providing insights into how salaries deviate from the mean.

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A hand generator it most likely will provide power to perform wok more efficiently.

Generally, A hand generator is a portable device that use energy to do work or increase efficiency of work done.

Therefore,if a 9v battery( a battery is defined as a source of electric power) is attached to a hand generator it most likely will provide power to perform wok more efficiently

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This procedure demonstrates that there is room between matter particles. The existence of salt ions is indicated by their accommodation in water.

1. When salt is dissolved in water, the chemical bond between the salt atoms is broken by the water molecule.

2. When a teaspoon of salt is added to water, the salt molecules fill any open places in the water. Since water is a fluid with atoms that may move around freely, when salt is dissolved in it, these open spaces are filled, making salt particles invisible.

3. The resulting solution becomes denser. The mass of the solution increases when salt is added to water. As a result, the solution's density rises.

4. This procedure demonstrates that there is room between matter particles. The existence of salt ions is indicated by their accommodation in water.

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Two points which can be identified from this information are; (4, 5.50) and (9, 8.00).

According to the question;

In essence, the information provided can be used to provide two points as follows; (4, 5.50) and (9, 8.00).

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Answer:

x = -6

I hope this helps!

\((\stackrel{x_1}{0}~,~\stackrel{y_1}{4})\qquad (\stackrel{x_2}{2}~,~\stackrel{y_2}{5}) ~\hfill \stackrel{slope}{m}\implies \cfrac{\stackrel{\textit{\large rise}} {\stackrel{y_2}{5}-\stackrel{y1}{4}}}{\underset{\textit{\large run}} {\underset{x_2}{2}-\underset{x_1}{0}}} \implies \cfrac{ 1 }{ 2 }\)

\(\begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-\stackrel{y_1}{4}=\stackrel{m}{ \cfrac{ 1 }{ 2 }}(x-\stackrel{x_1}{0})\implies y=\cfrac{1}{2}x+\text{\LARGE 4}~\hfill \stackrel{y-intercept}{(0,\text{\LARGE 4})}\)

Answer:

( y-b) / m    +a = x

Step-by-step explanation:

y−b=m(x−a)

Divide each side by m

(y−b)m=m/m(x−a)

( y-b)/m  = x-a

Add a to each side

( y-b) / m +a = x-a+a

( y-b) / m    +a = x

Answer:

y − b = m(x − a)

y − b = mx - ma

(y - b) / m = x - a

((y-b)/m) + a = x

Answer:

1.) y=800e^(0.02t)

2.) 957.76 (or 958 if rounding up is required)

Step-by-step explanation:

1.) Since the increase is in years and our time is in years, we can use the function y=Pe^(rt) where P is our beginning value, r is rate (as a decimal) and t is time. Substitute the values P=800, r=0.02 to get y=800e^(0.02)t.

2.) Solving the equation above, we substitute t for 9, we get:

Y=800e^(0.02*9)

Y=800e^(0.18)

Y=800*(1.1972)

Y=957.76

Since it asks for population, you may or may not need to round to 958.

Answer:

The value of angle QXS is;

Explanation:

From the given diagram in question 1:

We can see that angle QXT equals the sum of angle SXT and angle QXS;

Given in the question is the value of angle SXT and angle QXS;

Substituting the values into the equation above;

Since angle QXT is equal to 125 degree, then;

We can now substitute the value of x to get the value of angle QXS;

Therefore, the value of angle QXS is;

Answer:

2 number is correct answer

Second one is correct i think

hope it helps

mark me brainlist

Answer:

If you want it graphed the answer is

andb=7

The formula wights are

mass of  1 1  mole of  9 a − a b + 5 b i f a = 2 = 0 g

Step-by-step explanation:

Answer:

common difference d = - 4

Step-by-step explanation:

the nth term of an arithmetic sequence is

\(a_{n}\) = a₁ + (n - 1)d

where a₁ is the first term and d the common difference

given a₁ = 24 and a₁₉ = - 48 , then

24 + 18d = - 48 ( subtract 24 from both sides )

18d = - 72 ( divide both sides by 18 )

d = - 4

Answer:

2.50 + 2.65x = y

Step-by-step explanation:

The 2.50 fee won't change but the price per mile will, each mile will cost $2.65 more. And since we don't know how many miles the plot is taking, $2.65x. Then the total cost is y

Answer:

Step-by-step explanation: if the 2.50 is staying the same, then the answer is y=2.50x + 2.65

The probability that at most 2 out of 8 randomly selected PC gamers say they bought Cyberpunk 2077 on Steam is 0.8936 (option B).

In this scenario, we are dealing with a binomial distribution, where the probability of success (a PC gamer saying they bought Cyberpunk 2077 on Steam) is 40% or 0.4, and the number of trials is 8. We want to calculate the probability of having at most 2 successes.

To find this probability, we can use the binomial probability formula or a binomial probability calculator. By summing up the probabilities of having 0, 1, or 2 successes, we find that the probability is 0.8936.

In summary, the probability that at most 2 out of 8 PC gamers say they bought Cyberpunk 2077 on Steam is 0.8936 (option B).

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Answer:

Step-by-step explanation:

At least $62.50 per member

Answer:the answer for part A is SAS.

Step-by-step explanation:

We already know that side PQ is the same length for both the triangles. We were then given the information that sides PM and PN were equal. So now we already have two sides that are the same. Then we were given the information that angle MPQ and angle NPQ were also equal. So now we have two sides and an angle that are equal. This is how we got SAS (side angle side). I tried my best to explain. I added a photo so you could see what I was trying to explain. Hopefully this helped!

Answer:

24

Step-by-step explanation:

Hakeem is the oldest of three siblings who ages are consecutive integers. If the sum of their ages are 69, find Hakeem age.

It should be noted that:

= 22 + 23 + 24

= 69

Hakeem's age is 24

Answer

-4,000

Step-by-step explanation:

Just subtract 35,000 and 31,000 or 27,000 and 21,000 and get 4,000. Since the altitude is going down, it'll be negative.

Answer:

550.4 square units.

Step-by-step explanation:

This problem is easier than it seems.

To find the area of the parallelogram, multiply 11 and 32 to get 352 sq. units

The two semicircles must be equal because the sides of a parallelogram must be equal.

So if you add the semicircles together, you get a circle.

So we're really finding parallelogram+circle.

The area of a circle is \(\pi\)x\(r^{2}\), and the circle's radius is 8 because the radius is half of the diameter.

\(\pi\)≈3.1 because you're rounding to the nearest tenth.

3.1x64=198.4 sq. units

198.4+352=550.4 square units.

Answer:

The third option

Step-by-step explanation:

First, write the equation out as 700(0.25)=x and 700-x=y (y being your final answer). 700*0.25 is 175. Now, we subtract 175 from 700. 700-175 is 525. $525 is your final answer, which makes the third option correct. Hope this helps!

Answer:

64

Step-by-step explanation:

first, we'll start with the value inside the parenthesis, which is 2³

2³ means to multiply 2 by itself 3 times

so it would be

2×2×2=8

which then means that the expression is now (8)²

now we need to do (8)², which is to multiply 8 by itself twice

8*8=64

hope this helps!

The required number of minutes a person used the phone is 131 minutes.

Given that,
A cellular phone company charges $25 per month plus 10 per minute of phone use. A person's bill came to $38.10 for one month,

The process in mathematics to operate and interpret the function to make the function or expression simple or more understandable is called simplifying and the process is called simplification.

Here,
Let x be the number of minutes he used the phone,
According to the question,
25 + 0.1x = 38.10
0.1x = 38.10 - 25
0.1x = 13.10
x = 13.10/ 0.1
x = 131 minutes

Thus, the required number of minutes for the given condition is 131 minutes.

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Tables are created by substitute a set of input values into the function to create outputs. The required table is as shown below

x | y

0   -3

1   -2.5

2   -2

Tables are created by substitute a set of input values into the function to create outputs

Using x = 0, 1 and 2 as the input values

Given the function

y = 1/2x - 3

If x = 0

y = 1/2(0) - 3

y = -3

If x = 1

y = 1/2(1) - 3

y = -2.5

If x = 2

y = 1/2(2) - 3

y = -2

Hence the required table is as shown below

x | y

0   -3

1   -2.5

2   -2

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Misrepresentation means that one party (in this case Joe) is knowing selling or marketing things as something they are not. Yes this would be misrepresentation, because if Joe knows this is a lie, he is spreading false information KNOWINGLY

Given that the revenue (in dollars) from the sale of x units of a product is R(x) = 2x + 72x^2 + 80x.

We have to find the marginal revenue when 31 units are sold.

To find the marginal revenue, we need to differentiate the given revenue function with respect to x, i.e.,

R(x) = 2x + 72x^2 + 80x

Differentiating with respect to x, we get the marginal revenue as:

R′(x) = d/dx(2x + 72x^2 + 80x)

R′(x) = 2 + 144x + 80

R′(x) = 144x + 82

Now, we have to find the marginal revenue when 31 units are sold. So, we will put x = 31 in the marginal revenue function.

Marginal revenue at x = 31 is:

R′(31) = 144(31) + 82R′(31)

= 4,646

Thus, the marginal revenue when 31 units are sold is $4,646.

Interpretation: Marginal revenue is the additional revenue that a company earns by selling an additional unit of product.

It is calculated by the difference between the total revenue of x units and the total revenue of x - 1 units.

So, when 31 units are sold, the projected revenue from the sale of unit 32 would be $4,646.

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Answer:

-3 < x <= 2

Step-by-step explanation:

The number of revolutions will the wheels need to make to travel 100 feet will be 15.

Given that:

Diameter, d = 26 inches

Let d be the diameter of the circle. The circumference of the circle will be given as,

C = πd units

The number of revolutions will the wheels need to make to travel 100 feet will be given as,

100 = n x 3.14 x (26 / 12)

100 = 6.803 n

n = 14.6986

n ≈ 15 revolution

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