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pav-90 [236]
3 years ago
7

Factor the expression below. 4x2 - 1

Mathematics
1 answer:
Mila [183]3 years ago
4 0

Answer:

(2x-1)(2x+1)

Step-by-step explanation:

the answer is c

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olchik [2.2K]

Answer:

-24 + 12d = 2(d - 3) + 22

-24 + 12d = 2d - 6 + 22

-24 + 12d = 2d + 16

        12d = 2d + 40

        10d = 40

            d = 4

Step-by-step explanation:

8 0
2 years ago
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Answer:

V = 62.832m^3 (Approximation to the nearest thousandth)

Step-by-step explanation:

The area of a cylinder can be determined by the formula:

V = \pi r^2h    (We know that the radius, r, is 2m, and the height, h, is 5m, so we can substitute them into the formula to calculate the volume of this cylindrical tank)

V = \pi * 2^2 * 5    (Simplify)

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4 years ago
Simplify the following expression into the form a + bi, where a and b are rational numbers.
alukav5142 [94]
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