Calculating surface area
Big Prism-
7*14*2=196
7*21*2=294
14*21*2=588
196+294+588=1078
Small prism
3*6*2=36
3*9*2=54
6*9*2=108
36+54+108=198
1078:198
Simplify(divide by common factors)
(Divide2)
539:99
(Divide 11)
49:9
C is your answer
Answer:
5/11
Step-by-step explanation:
First piece is 5.2 cm...and second piece is 1.5 times as long
1.5(5.2) = 7.8 cm <== second piece
Answer:
4.
D.
4. 5x + 64.95
Step-by-step explanation:
Simply distribute the 5
5(x + 12.95)
5x + 5(12.95)
multiply 12.95 by 5
64.75
so
5x+64.75
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