5. (9r 3 + 5r 2 + 11r) + (-2r 3 + 9r - 8r 2)
1 answer:
Answer:
7r³ - 3r² + 20r
Step-by-step explanation:
(9r³ + 5r² + 11r) + (-2r³ + 9r - 8r²)
You can get rid of the parentheses since there is nothing to distribute.
9r³ + 5r² + 11r - 2r³ + 9r - 8r²
Combine like factors.
7r³ - 3r² + 20r
You might be interested in
Answer:
d
Step-by-step explanation:
Answer:
A=SqRt(c^2-b^2)
Step-by-step explanation:
a^2 + b^2 = c^2
rearrange to solve for a^2
a^2= c^2-b^2
take the square root of each side
a= square root (c^2-b^2)
4+3.5=7.5
7.5x =180
180/7.5
=24 (answer)
Answer:
well one similarity is that they both cross over zero and one difference is that one is going verticl and one is going up and down
Step-by-step explanation:
Answer:
1227 is correct ................................................
Step-by-step explanation:
