2 years ago

What is 985 + 700 + 75 + 10 + 200 - 110?

Mathematics

1 answer:

brilliants [131]2 years ago

5 0

Answer: 1460

Step-by-step explanation: I put it in a calculator.

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What is the value of i^n if the remember of n/4 is 2

mestny [16]

Answer: 1

Step-by-step explanation:

If n/4 = 2, then n = 8

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3 years ago

Chloe was x inches tall on her birthday last year. This year she is 2.5 inches taller. Select all of the following expressions t

Lubov Fominskaja [6]

X+2.5 because you dont know her height of last year which would give you the variable X and this year she grew 2.5 inches which would make the equation X+2.5
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3 years ago

Please help me 13 points

Fittoniya [83]

A. 28
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C. 71.4
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3 years ago

What is 27/45 to to the simplest form

Oduvanchick [21]

The answer is to 27/45 is 3/5

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3 years ago

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A frustum is formed when a plane parallel to a cone’s base cuts off the upper portion as shown. Which expression represents the

Bezzdna [24]

Think of the two pieces together as a single cone of height 19, and its volume.
Then think of only the upper piece as a cone, and find its volume.
The volume of the frustum is the total volume minus the volume of the upper piece.

The volume of a cone is:

$V = \dfrac{1}{3} \pi r^2 h$

Total volume:

$V_t = \dfrac{1}{3} \times \pi \times 7.5^2 \times 19$

Volume of upper cone:

$V_u = \dfrac{1}{3} \times \pi \times 3.5^2 \times 8$

Volume of frustum:

$V_f = \dfrac{1}{3}\pi(7.5^2)(19) - \dfrac{1}{3}\pi(3.5^2)(8)$

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3 years ago

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