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fantasticratz2
23.07.2021 •
Mathematics
Pls help i will give !! Pyramid A is a square pyramid with a base side length of 12 inches and a height of 8 inches. Pyramid B has a volume of 3,456 cubic inches. How many times bigger is the volume of pyramid B than pyramid A? Give your answer as a percentage. Provide an explanation and proof for your answer to receive full credit.
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Ответ:
900%
Step-by-step explanation:
Pyramid A has a volume equal to (12)^2*8/3=384 cubic inches. The pyramid B is (3456/384)=9 times bigger than pyramid A. As a percentage it's 900%
Ответ:
1.8 km
Step-by-step explanation:
The scale on the map is 1 : 15000.
This means that every 1 cm on the map is equal to 15000 cm on the ground.
12 cm on the map will therefore be:
12 * 15000 = 180000 cm
Let us convert to kilometres:
100000 cm = 1 km
180000 cm = 180000 / 100000 = 1.8 km
12 cm on the map will be 1.8 km on the ground.