The answer is 67.5. The other part I do not understand.
Answer:
480 ft2
Step-by-step explanation:
You multipy 4 by 2 by 2 by 10 by 3 and you get 480.
Hope this helps :)
Answer:
the answer is 17
wlecome
Step-by-step explanation:
Answer:
x={-2,2}
Step-by-step explanation:
Graph them when intersecting.
Algebraically:
x^2 + 1 = -x^2 + 9
Add x^2 on both sides and subtract 1 on both sides.
2x^2 = 8
Divide 2 on both sides
x^2 = 4
Square root on both sides
|x| = 2
Remove abs value by putting + or - on the other side
x = {-2,2}
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Answer: 1*10^8 is 100000000 or 10 followed by 8 zeros
