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d1i1m1o1n [39]
3 years ago
10

Find the volume of the cylinder

Mathematics
1 answer:
erastovalidia [21]3 years ago
7 0

Answer:

100.5cm2

Step-by-step explanation:

v=pi(r)2(h)

v=3.14(2)2(8)

v=3.14(4)(8)

v=100.48

v=100.5cm2

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What is the component form of the vector represented by 2a when a⃗ =〈−2,3〉?
Paladinen [302]

Answer:

\vec v = 2\cdot \vec a = \langle -4,6 \rangle

Step-by-step explanation:

Let \vec a = \langle -2, 3 \rangle, we need to determine \vec v = 2\cdot \vec a, which can be found by applying the following property:

\alpha \cdot \langle x,y \rangle = \langle \alpha \cdot x, \alpha \cdot y\rangle, \forall \,\alpha,x,y\in \mathbb{R} (1)

Then,

\vec v = 2\cdot \langle -2,3 \rangle

\vec v = \langle -4,6 \rangle

8 0
2 years ago
If f(×) = 3x + 7, which of these is the inverse of f(x)?​
Snowcat [4.5K]

Answer:

First equate 3x + 7 to any unknown

3x + 7 = P

Then make x the subject of the formula

3x + 7 = P

3x + 7-7= P-7

3x = P-7

3x ÷ 3 = (P-7) ÷ 3

x = (P-7) ÷3

Then interchange x with the unknown which I have as P

x = (P-7) ÷ 3

P = (x-7) ÷ 3

Then inverse of f(x)

is;

f-1(x) = (x-7) ÷ 3

Thank you.

BY GERALD GREAT.

5 0
2 years ago
54 is 75% of what number?
Furkat [3]
<span>one way to solve this kind of problems is by doing a little bit of reversal 75 % * X = 54 75/100 * X = 54 (we move 75/100 to the right, since it's a fraction the top and bottom number will be reversed) X = 54 * 100/75 X = 5400 / 75 X = 72 Hope I helped! :) Cheers!</span>
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2 years ago
PLEASE HELP WILL GIVE BRAINLIEST
oksano4ka [1.4K]

Answer:

there aznswer is b

Step-by-step explanation:


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Use a sentence to describe c(10)=-3
antiseptic1488 [7]

Answer:

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Step-by-step explanation:

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