calvinclifton
11.12.2019 •
Mathematics
Sarah spent 1/3 of her monthly budget on food and 3/4 of her monthly budget on gasoline. sarah has gone over budget and has spent $221 on food and gas. what is sarah's monthly budget?
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Ответ:
Ответ:
Two similar cylinders have proportional dimensions:
.
Then cm.
d is the diameter of the second cylinder base, then r=d/2=3 cm.
The surface area of the smaller cylinder consists of the area of two bases and area of the lateral face:
.
Since r=3 cm and h=9 cm, you have
sq.cm.