3 years ago

Find the sum. (adding and subtracting polynomials)

Mathematics

1 answer:

OverLord2011 [107]3 years ago

7 0

Answer:

(-8x - 12) + (9x + 4)= x-8

(-3p^3 + 5p^2 - 2p) + (3r^2 - 3r)= -3p^3+5p^2-2p+3r^2-3r

( -3p^3 + 5p^2 - 2p) + (-p^3 - 8p^2 -15p)= -4p^3-3p^2-17p

. ( 9r^2+4r-7) + (3r^2-3r)= 12r^2+r-7

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bija089 [108]

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4 years ago

To wash a window that is 12 feet off the ground, Wayne leans a 13-foot ladder against the

AlladinOne [14]

Answer:

5 meters

Step-by-step explanation:

Based on the situation, it forms into a right triangle. So we will apply the Pythagorean Theorem here. The ladder acts as the hypotenuse while the height from the ground to the window serves as our side "a". We are tasked to solve for "b". Side "b" is the distance from foot of side a to the tip of side c which is the hypotenuse (ladder). We will derive the formula below to solve for b.

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Correct me if I'm wrong. I hope it helps.

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3 years ago

2 + (x + 4) Help me out

MariettaO [177]

Answer: