3 years ago

Help please 10 points

Mathematics

1 answer:

xxTIMURxx [149]3 years ago

8 0

Answer:

Step-by-step explanation:

tell me the question ?? did not say the question ok ??

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What is the approximate volume of a cylinder with a diameter of 12 meters and a height of 7 meters? Use 3.14 for pi.

kkurt [141]

$V=\pi r^2 h$
r - radius, h - height
The diameter is twice the radius.

$d=12 \ m \\
r=\frac{12}{2} \ m = 6 \ m \\
h=7 \ m \\ \\
V=\pi \times 6^2 \times 7=\pi \times 36 \times 7=252 \pi \approx 252 \times 3.14=791.28 \approx 791.3$

The answer is c. 791.3 m³.

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11. (21x² - 6x +14) + (x²-3x+18)

Furkat [3]

Answer:

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Step-by-step explanation:

(21x² - 6x +14) + (x²-3x+18)

To add, we need to combine like terms

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2 years ago

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erastovalidia [21]

for 1st

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for 2nd

(2a+3)-(a-5)(2a+2)+a^2

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4 years ago

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Novay_Z [31]

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3 years ago

Guys does that mean multiply or like fractions?

Zepler [3.9K]

Answer:

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Step-by-step explanation:

It says for you to multiply.

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