Helpppppp please I am being timed fast please will be happy

Xavier's rate per hour is $11.20.

A unit rate means a rate for one of something. We write this as a ratio with a denominator of one. For example, if you ran 70 yards in 10 seconds, you ran on average 7 yards in 1 second. Both of the ratios, 70 yards in 10 seconds and 7 yards in 1 second, are rates, but the 7 yards in 1 second is a unit rate.

Given that, Xavier worked 10 hours on Monday and 15 hours on Wednesday. His total pay was 280.00

Number of hours worked on Monday = 10 hours

Number of hours worked on Tuesday = 15 hours

Total pay received by Xavier = $280

Total number of hours worked  = (10 + 15) = 25 hours

Therefore, Rate per hour = 280/25 dollars per hour

Hence, Xavier's rate per hour is $11.20.

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Final answer:

A 66-kg person contains approximately 39.6 kilograms of water, considering that the human body is comprised of about 60% water.

Explanation:

To estimate how many kilograms of water is in a 66-kg person, biology and a general understanding of the human body composition are required. The human body is comprised of approximately 60% water. Thus, to calculate the mass of water in a 66-kg person, the following calculation is performed:

Water mass = Total body mass x Percentage of water in the body

Water mass = 66 kg x 0.60

Water mass = 39.6 kg

Therefore, a 66-kg person contains approximately 39.6 kilograms of water.

Answer:

[tex](4, \frac{-3}{4} )[/tex]

Step-by-step explanation:

To plot it is necessary to mark the point 4 for the x-coordinate and the point -3/4 for the y-coordinate. Since the order is [tex](x,y)\Rightarrow(4,\frac{-3}{4})[/tex] then check the graph below.

Answer:

I hope this helps! <3

Step-by-step explanation:

we know that

The formula to calculate the slope between two points is equal to

[tex]m=\frac{y2-y1}{x2-x1}[/tex]

in this problem we have

[tex]A(-1,-7)\ B(1,5)[/tex]

substitute the values in the formula

[tex]m=\frac{5+7}{1+1}[/tex]

[tex]m=\frac{12}{2}[/tex]

[tex]m=6[/tex]

therefore

the answer is

the slope of the line is [tex]6[/tex]

Yes, the total price pay is proportional to the number of tickets.

In mathematics, proportionality indicates that two quantities or variables are related in a linear manner.

Since you never plan to buy the popcorn but only the movie ticket, therefore we can definitely say that there is a direct correlation between the total price and the number of tickets bought.

Since, 1 ticket = $10.50

So,

The proportion equation is:

P = 10.50 t

where P is the total price and t is the number of tickets

Hence,  the total price pay is proportional to the number of tickets.

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The value of p for the for given absolute value inequality |6p + 3|>15 lies in between - 3 and 2.

An absolute value inequality is an expression with absolute functions as well as inequality signs.

According to the given question.

We have an absolute value inequality |6p + 3| > 15

The above inequality can be written as

[tex]-15 < 6p+3 < 15[/tex]

⇒ [tex]-15-3 < 6p < 15-3[/tex]

⇒[tex]-18 < 6p < 12[/tex]

⇒[tex]\frac{-18}{6} < p < \frac{12}{6}[/tex]

⇒[tex]-3 < p < 2[/tex]

⇒ p ∈ (-3, 2)

Hence, the value of p for the given absolute value inequality |6p + 3|>15 lies in between - 3 and 2.

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Trey can expect to make approximately 30 out of 75 free throw shots based on his previous success rate of 12 out of 30 shots.

To find how many free throws Trey might make out of 75 attempts, we use the proportion of his successful shots in the initial 30 attempts. Trey made 12 out of 30 shots, which is a success rate of  [tex]\( \frac{12}{30} = \frac{2}{5} \).[/tex] We can expect him to maintain this rate over 75 shots:

[tex]\[ \text{Expected shots made} = \left( \frac{2}{5} \right) \times 75 = \frac{2 \times 75}{5} = 30 \][/tex]

Therefore, Trey can expect to make approximately 30 free throws out of 75 attempts. This estimation assumes his skill level and shooting conditions remain consistent throughout the attempts.

This calculation is a basic projection and doesn't account for potential variations in Trey's performance. Factors such as fatigue, practice, and pressure can influence his actual performance. However, it provides a reasonable estimate based on his past performance.

Using this estimate, coaches or analysts can make rough predictions about Trey's potential scoring contribution from free throws in a game or practice session, helping them plan strategies accordingly.

Final answer:

The median is the best measure of center for the teacher to use to evaluate the overall performance of the class on a test when the data set includes an outlier.

Explanation:

The most appropriate measure of center for the teacher to use in this situation is the median. This is because the median is the best measurement when a data set contains outliers or extreme values that could significantly skew the mean. Since the dataset contains a student score that is significantly lower due to not following instructions, the median would provide a more accurate idea of how the class as a whole performed, as it is less affected by this outlier. On the other hand, the mode might not be as informative if most of the scores are unique, and the mean would be substantially affected by the low score. The range is a measure of spread, not center, and therefore not suitable for determining the average performance.

Solution of inequality is determined by the fact that if the given point is in the shaded region of the graph or not .  Dotted line in the graph shows that any point on that dotted line is not part of the solution . So here all those options which have the points in the shaded region but not on the line are solutions .

Therefore only C (0,0) is the correct option .

Check the image attached for better picture of what is explained.

Answer:

The table shows the number of badges earned, based on the number of boxes of cards sold.

Let b(x) represents the number of badges earned and x represents the  number of boxes of cards sold.

Given that:

[tex]b(20) = 3[/tex]

here, x = 20 number of boxes of cards sold

and

b(20) represents the number of badges earned or we can say that the number of badges earned is 3.

Therefore, b(20) = 3 mean in terms of the problem is that you sell 20 boxes you will get 3 badges

Answer: Shakira bowled 4 games.

Step-by-step explanation:

Hi, the total cost for Shakira (21) is equal to the multiplication of the price of each game of bowl  (4.75) and the number of games bowled (g), plus the cost of the shoes rental (3).

3 + 4.75 g = 21

Solving for g:

4.75 g = 21-3

4.75 g = 18

g= 18/4.75

g = 3.78 = 4 games (rounded)

Feel free to ask for more if needed or if you did not understand something.

Your Answer Will be

c=16d+18

GradPoint Answer

To solve the equation mn + 7p = 8 for p, subtract mn from both sides to get 7p = 8 - mn, then divide by 7 to isolate p, resulting in p = (8 - mn) / 7.

To solve the equation mn + 7p = 8 for p, we need to isolate p on one side of the equation. We can do this by performing the following steps:

Now, the variable p is isolated, and the equation shows p in terms of m and n.

The provided reference solution and the graphing technique are not directly applicable to this algebra problem, as they pertain to different cases with specific contexts such as elasticity and supply-demand curves. For the actual question at hand, we focused exclusively on algebraic manipulation to find the value of p.

Answer:

A)18

Step-by-step explanation:

The number of chairs in the school gym can be represented by inequality 176 + 25c ≤ 650, where c represents the number of chairs in each row. When you solved for c, we find that c = 18.96. Since you cannot have a fraction of a chair, we know that the maximum number of chairs in each row must be 18.

Hope this helps!!!!!!!!!!!!!!!!!!!!!!!!

Let

x-----> the original price of the calculator

y-----> the original price of the binder

we know that

[tex]15\%= \frac{15}{100}=0.15[/tex]

[tex](x+y)(1-0.15)=107.27[/tex]

[tex](x+y)(0.85)=107.27[/tex] -----> equation A

[tex]y=6.20[/tex] -----> equation B

substitute the value of y in the equation A and solve for x

[tex](x+6.20)(0.85)=107.27[/tex]

[tex](x+6.20)=(107.27/0.85)[/tex]

[tex]x=(107.27/0.85)-6.20[/tex]

[tex]x=126.20-6.20[/tex]

[tex]x=\$120[/tex]

therefore

the answer is

the original price of the calculator is [tex]\$120[/tex]

this is the correct answer

Answer:

statement A, C, D, are true.

Step-by-step explanation:

We check all the statements by the rule of 72 to find which statement about doubling an investment are true.

Formula we use = [tex]\frac{72}{R}[/tex]  R = Rate of interest

Statement A :

An investment of $5,000 will double in 6 years at an annual compound interest rate of 12%.

 [tex]\frac{72}{12}[/tex] = 6 years

It will take 6 years to double the investment. This statement is true.

Statement B :

An investment of $1000 will double at an annual compound interest rate of 18% in 6 years.

[tex]\frac{72}{18}[/tex] = 4 years

It will take 4 years to double the investment. This statement is not true.

Statement C:

An investment of $350 will double in 9 years at a compound interest rate of 8%.

[tex]\frac{72}{8}[/tex] = 9 years

It will take 9 years to double the investment. This statement is true.

Statement D :

An investment of $2000 will double at a simple interest rate of 5% in 20 years.

Formula for Simple interest = (PRT)

                                           I  = (2000 × 0.05 × 20) = $2000

So the amount will be 4000 in 20 years. This statement is true.

Statement E :

An investment of  $700 will double in 12 years at a simple interest rate of 6%

Interest = ( 700 × 0.06 × 12 ) = $504

Amount after 12 years 700 + 504 = $1204. This statement is not true.

add the 2 sets of numbers

-5 +-7 = -12

-3 +-1 = -4

 Answer is B

The equation of the line will be y = ( 2 / 3 )x -2. The correct option is B.

An equation of the line is defined as a linear equation having a degree of one. The equation of the line contains two variables x and y. And the third parameter is the slope of the line which represents the elevation of the line.

Given that the line in the image has the points ( 3, 0 ) and ( 0,-2). The equation of the line will be calculated by finding the slope and the y-intercept of the line.

Slope = ( y₂ - y₁ ) / ( x₂ - x₁ )

Slope = ( -2 - 0 )/ ( 0 - 3 )

Slope = ( 2 / 3 )

y = mx + c

-2 = m 9 0 ) + c

c = - 2

The equation of the line will be written as:-

y = mx + c

y = ( 2 / 3 )x - 2

Therefore, the equation of the line will be y = ( 2 / 3 )x -2. The correct option is B.

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A function is a relation which associates every element in the domain to a unique element in the codomain.

In option 1,

2 has more than one image, namely 3 and 7.

In option 3,

11 has more than one image, namely 9 and 5.

In option 4,

3 has more than one image, namely 8 and -2.

Hence, the correct option is 2, where every element in the domain has unique image.

Answer:

The population of China: 1.381 × 10^9=13.81 × 10^8

The population of the United States: 3.23 × 10^8

Total: 13.81 × 10^8 + 3.23 × 10^8 = (13.81 + 3.23) × 10^8 = 17.04 × 10^8

= 1.704 × 10^9

Step-by-step explanation:

The number of people living in both countries is an illustration of addition operation.

About [tex]\mathbf{17.04 \times 10^8}[/tex] people live in both countries

From the question, we have the following highlights

[tex]\mathbf{China = 1.381 \times 10^9}[/tex]

[tex]\mathbf{US = 3.23 \times 10^8}[/tex]

So, the population living in both countries is:

[tex]\mathbf{Total = China + US}[/tex]

Substitute known values

[tex]\mathbf{Total = 1.381 \times 10^9 + 3.23 \times 10^8}[/tex]

Factor out 10

[tex]\mathbf{Total = 1.381 \times 10 \times 10^8 + 3.23 \times 10^8}[/tex]

[tex]\mathbf{Total = 13.81 \times 10^8 + 3.23 \times 10^8}[/tex]

Factor out 10^8

[tex]\mathbf{Total = (13.81 + 3.23 )\times 10^8}[/tex]

[tex]\mathbf{Total = 17.04 \times 10^8}[/tex]

Hence, about [tex]\mathbf{17.04 \times 10^8}[/tex] people live in both countries

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