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Anuta_ua [19.1K]
3 years ago
9

Twice a number minus 5 is 7

Mathematics
2 answers:
klio [65]3 years ago
8 0
2n-5=7

Twice a number, n, is shown by multiply two and n. Then, you subtract this amount by five. 
svetlana [45]3 years ago
4 0
By the way n equals 6
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Help with the question attached below
Keith_Richards [23]

<u><em>Answer:</em></u>

Exact volume = 294π in³

Approximate volume = 923.6 in³

<u><em>Explanation:</em></u>

<u>The volume of a cylinder can be calculated using the following rule:</u>

volume = πr²h

where r is the radius and h is the height of the cylinder

<u>In the given cylinder:</u>

radius = r = 7 in

height = h = 6 in

<u>Substitute with the givens in the formula to get the volume:</u>

Volume of cylinder = πr²h = π(7)²(6) = 294π in³ ≈ 923.6 in³ to the nearest tenth

Hope this helps :)

6 0
4 years ago
(2x - 3) + (1x + 2)<br> How do I solve it
aalyn [17]

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Step-by-step explanation:

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3x - 1 is your answer.

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6 0
3 years ago
Read 2 more answers
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Group like terms.. I was confused and need help asap!
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2/3 as a fraction in simplest form
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