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3 years ago

13

Factor completely: x^2-81

1 answer:

mina [271]3 years ago

3 0

I'm not sure if this is correct but (x + 9) • (x - 9)

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Which is an x-intercept of the graphed function?<br> O(0, 4)<br> 0 (-1.0)<br> Q (40)<br> (0,-1)

NISA [10]

Answer:idk just here for the points

Step-by-step explanation:

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3 years ago

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Solve for x : <br><br><img src="https://tex.z-dn.net/?f=%5Cqquad%20%5Crightarrow%5Cbf%204x%20%2B%209x%20%2B%202x%20%3D%2030" id=

Lubov Fominskaja [6]

Answer:

x=2

Step-by-step explanation:

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2 years ago

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Jules cut 2.75 inches from a metal rod. The metal rod is now 10.5 inches long. Which equation can be used to find the length of

11111nata11111 [884]

L = 10.5 + 2.75

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4 years ago

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I really don't know if I'm doing this right and I have a test coming up (I only need the answer for the odds)

lisov135 [29]

Answer:

all work is shown and pictured

3 0

4 years ago

Please help me with this, thanks.

balu736 [363]

$\frac{3^{-2} }{8^{-2}} \frac{3^{3} }{8^{3} } \frac{1^{3} }{3^{3} } \frac{1^{4} }{3^{4} } = \frac{3^{ (-2+3)} 1^{ (3+4)}}{8^{ (-2+3) }3^{(3+4)}} = \frac{3^{1}1^{7}}{8^{1} 3^{7} } = \frac{3}{8 * 3^{7} } = \frac{1}{8*3^{6} } = \frac{1}{5,832}$

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3 years ago