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walkerrwilson
07.06.2020 •
Mathematics
The volume V of a rectangular prism of a particular height varies jointly as the
length I and the width w, and V = 224 ft when I = 8ft and w = 4 ft.
Find I when V = 210 ft' and w = 5ft.
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Ответ:
6ft
Step-by-step explanation:
Volume of rectangular prism = l x w x h, where h is height. So, we have to work out the height of the first prism in the following way. 224 divided by ( 8 x 4), which gives 7. So, to find l in the second prism, we have to :
L x W x H = 210
L x 5 x 7 = 210
L x 35 = 210
L = 210 divided by 35 = 6
Ответ:
A
Step-by-step explanation:
This is because multiplication is the same as 'of', so if a question ever says 'of,' you know to multiply.