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vova2212 [387]
2 years ago
14

The volume of a sphere is V=4/3 pie r 3

Mathematics
1 answer:
Volgvan2 years ago
6 0

Answer:

A. 288pi in^3

Step-by-step explanation:

s

ee image

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John had to pay a combined electric and gas bill $150. The electric portion of the bill was $90. What is the ratio of money spen
tatuchka [14]

Given:

John had to pay a combined electric and gas bill $150.

The electric portion of the bill was $90.

To find:

The ratio of money spent on electric to that on gas.

Solution:

Let x be the amount of gas bill.

The electric portion of the bill was $90 and John had to pay a combined electric and gas bill $150.  So,

90+x=150

x=150-90

x=60

The gas portion of the bill was $60.

The ratio of money spent on electric to that on gas is:

\text{Required Ratio}=\dfrac{\text{Electric bill}}{\text{Gas bill}}

\text{Required Ratio}=\dfrac{90}{60}

\text{Required Ratio}=\dfrac{3}{2}

\text{Required Ratio}=3:2

Therefore, the ratio of money spent on electric to that on gas is 3:2.

7 0
3 years ago
Factor the following expression <br> 10x^5+5x^3-14x^2-7-
Tatiana [17]

Answer:

C. (5x^3-7)(2x^2+1)

Step-by-step explanation:

Given expression is,

10x^5+5x^3-14x^2-7

=10x^5-14x^2 + 5x^3 - 7  (By the commutative property)

=2x^2(5x^3-7)+5x^3-7     (Taking 2x^3 common from first two terms )

=(5x^3-7)(2x^2+1)      (Taking 5x^3-7 common from both terms)

\implies 10x^5+5x^3-14x^2-7=(5x^3-7)(2x^2+1)

Hence, Option C is correct

5 0
3 years ago
Find the area of the following shape. You must show all work to receive credit.
ra1l [238]
Here a photo of the answer. The first thing you have to do is split the figure into separate shapes. Find the area of the shapes, then add them all together.

5 0
3 years ago
half of the students in max's class volunteer at a local community center. fifteen students do not volunteer. if there was twelv
slava [35]

Answer:

There will 18 Girls in the class.

7 0
3 years ago
Please someone help me out I don't understand ;-;
Nesterboy [21]

Answer:

Yes

Step-by-step explanation:

90 minutes each - 360 ÷ 4

7 0
3 years ago
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