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3 years ago

If the volume of a prism is 30 ft3, what is the volume of a pyramid with the same base area and height?

Mathematics

1 answer:

-BARSIC- [3]3 years ago

3 0

Answer:

10 ft cubed

Step-by-step explanation:

The volume of a pyramid is 1/3 the volume of a prism with the same base area & height.

30/3=10

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(x^2+3) - [3x+(8-x^2) ]

Maksim231197 [3]

$2 {x}^{2} - 3x - 5$ ✅

Step-by-step explanation:

$( {x}^{2} + 3) - [3x + (8 - {x}^{2} )] \\ = {x}^{2} +3 - [3x + 8 - {x}^{2} ] \\ = {x}^{2} + 3 - 3x - 8 + {x}^{2} \\ = 2 {x}^{2} - 3x - 5$

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3 years ago

This week there are 144 members at the meeting, which is 90% of the total group. What is the total number of green team members

irina1246 [14]

Answer:

The total number of Green team members is 160.

Step-by-step explanation:

Given 90% of the total members present at the meeting which is 144.

Let the total number of members be x.

$90\%\ of x=144\\\frac{90\times\ x}{100}=144\\9x=1440\\x=\frac{1440}{9}=160$

Hence we can say that, The total number of Green team members is 160.

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3 years ago

What must be added to 12x3

qwelly [4]

Answer:

+3x + 7 to make the sum x3

Step-by-step explanation:

to find the sum of 3 and to solve it to get the value of x

3 0

2 years ago

Which inequality represents the phrase below?

Greeley [361]

Answer:

Step-by-step explanation:

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3 years ago

The average life span of a lynx is

dangina [55]

Answer:

Step-by-step explanation:

3/4 = 75%

15 ÷ 75% = 20

15 is 75% of 20.

7 0

2 years ago

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