What is equivalent to (10+7r-r^2)+(-6r^2-18+5r)
2 answers:
Answer:
-7r^2+12r-8
Step-by-step explanation:
Answer:
- 7r² + 12r - 8
Step-by-step explanation:
Given
(10 + 7r - r² ) + (- 6r² - 18 + 5r) ← remove parenthesis
= 10 + 7r - r² - 6r² - 18 + 5r ← collect like terms
= - 7r² + 12r - 8
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Answer:
That's a net- just use the same equation as lateral area then do surface area after that.
L=Ph
THEN....
A= L +2B
I think u need to add a pic
Step-by-step explanation:
(a) P = (0.3)(0.2) + (0.5)(0.6) + (0.2)(0.8)
P = 0.52
(b) (0.5)(0.6) = 0.3
P = 0.3 / 0.52
P = 0.58
Answer:
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