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Ivenika [448]
2 years ago
7

David earned a total of $378.75 in 15 hours. How much did David earn per hour? NO GUESSES NO LINKS NO BOTS

Mathematics
2 answers:
Serga [27]2 years ago
6 0

Answer:

$25.25

Step-by-step explanation:

All you have to do is divide 378.75 by 15 and you get your answer, because we want to make 15 hours turn to 1 so divide both numbers by 15 to get 25.25

enot [183]2 years ago
3 0

Answer: $25.25

Step-by-step explanation:

378.75/15 = 25.25

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Calvin work as an air conditioning contractor the customer wants to buy an air condition for his family room his room measure 30
Verdich [7]
ANSWER

3840 {ft}^{3}

EXPLANATION

The room represents a rectangular prism or a cuboid.

The dimensions of the room are 30 feet by 16 feet by 8 feet(height).

The volume of a rectangular prism is

= base \: area \: \times \: height

Substitute the given values

= 30 \times 16 \times 8 {ft}^{3}

Simplify:

= 3840 {ft}^{3}

Hence the cubic feet of air in the room is 3,840ft³.
6 0
3 years ago
Polygon X is similar to polygon Y. Polygon X is three times the size of polygon Y. The perimeter of polygon X is 81. What is the
maksim [4K]

Answer:  Option 'C' is correct.

Step-by-step explanation:

Since we have given that

Polygon X is similar to polygon.

And Polygon X is three times the size of polygon Y.

So, it becomes,

\dfrac{\text{Perimeter of polygon X}}{\text{Perimeter of polygon Y}}=\dfrac{3}{1}\\\\\dfrac{81}{x}=\dfrac{3}{1}\\\\x=\dfrac{81}{3}\\\\x=27

Hence, perimeter of polygon Y is 27.

Therefore, Option 'C' is correct.

5 0
3 years ago
Read 2 more answers
Use long division to convert -45/8 to a decimal.
Olenka [21]
The answer is A. -5.625
7 0
4 years ago
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A family spent $65 on dinner and left a 20% tip. What was the total cost of their meal?
Oxana [17]

Answer: B, $78

Step-by-step explanation:

If the tip is 20% of the dinner cost, then we have to first find what is 20% of 65.

20% x 65 = 13. So the tip for the dinner is 13 dollars.

Now we have to add it to the original dinner cost.

65 + 13 = 78.

Therefore, the total cost of their meal is 78 dollars. So the answer is B, $78!

7 0
3 years ago
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4) (Assume AR is tangent)<br>Given: AR 12<br>SR - 7.7<br>Find: cs (Round to nearest tenth.)​
andreev551 [17]

The length of CS is 11.0

Explanation:

Given that the length of the tangent AR is 12

The length of SR is 7.7

To find: The length of CS

The<u> tangent secant theorem</u> states that "if a tangent and a secant are drawn from an external point to a circle, then the square of the measure of the tangent is equal to the product of the measures of the secant’s external part and the entire secant."

Applying the tangent secant theorem, we have,

AR^2=SR\times RC

Rewriting the above equation, we get,

AR^2=SR(SR+SC)

Substituting the values, we get,

12^2=7.7(7.7+CS)

Simplifying, we have,

144=59.29+7.7CS

Subtracting both sides by 59.29, we get,

84.71=7.7CS

Dividing both sides by 7.7, we have,

11.0013=CS

Rounding off to the nearest tenth, we get,

11.0=CS

Thus, the length of CS is 11.0

6 0
3 years ago
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