What is a good estimate for 380% of 20
2 answers:
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Answer:
538.3
Step-by-step explanation:
First of all find the area of the rectangle
L*W
15*30
450
Now find the area of semi circle
1/2
Since radius is half a diameter divided 15 by 2=7.5
1/2 7.5 times 7.5= 56.25
1/2*3.14*56.25
56 times 3.14 is 176.625 now multiply 176.625 by 1/2
Answer is 88.3125
Now add 450 to 88.3125
Final answer: 538.3125
Answer:
It's D
Step-by-step explanation:
2t - 30() = 20
2t - (
) = 20
2t - = 20
2t - 6 = 20
2t - 6 + 6 = 20 +6
2t = 26
=
t = 13