Answer:
A =
. r^2
If A = 9
ft^2
. r^2 = 9
ft^2
r^2 = 9ft^2
r = sqrt(9ft^2)
r = 3ft ( r>0)
Step-by-step explanation:
Answer:
4/7
Step-by-step explanation:
40/70 = 4/7
Topic: Fractions
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Answer:
15.
Step-by-step explanation:
The new average will be 11 + 4 = 15.
Let its width be w and length= w+6
2(w+6+w)=52
4w+12=52
4w=40
w=10
Area=10*(10+6)=160