3 years ago

Which expression is a factor of 12x2 + 29x - 8?

Mathematics

1 answer:

-Dominant- [34]3 years ago

4 0

Answer:

Factors are: 3x+8 & 4x-1

Step-by-step explanation:

12x² + 29x - 8

12x² + 32x - 3x - 8

4x(3x + 8) -1(3x + 8)

(3x + 8)(4x-1)

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Find the volume of the sphere shown to the right. Give an answer in terms of pi and rounded to the nearest cubic unit.

Vladimir [108]

The correct answers are:
Exact volume = $V = \frac{32}{3} \pi$ in^3
Approximate volume = V = 33.51 in^3

Explanation:

The volume of the sphere is: $V = \frac{4}{3} \pi r^3$

Since r = 2 in

Hence
$V = \frac{4}{3} \pi (2)^3 \\ V = \frac{32}{3} \pi$ in^3 (exact)
V = 33.51 in^3 (approximate)

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