Change 90km per hour to feet per minute
1 answer:
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Answer:
Step-by-step explanation:
We have the rectangular prism and the cone.
The formula of a volume of
1) a rectangular prism
<em>l</em><em> - length</em>
<em>w</em><em> - width</em>
<em>h</em><em> - height</em>
2) a cone
<em>r</em><em> - radius</em>
<em>H</em><em> - height</em>
<em>We have:</em>
1)
<em>l = 7yd, w = 5yd, h = 4.5yd</em>
Substitute:
2)
<em>r = 4.8yd, l = 6yd</em>
<em>l</em><em> - slant height</em>
Use the Pythagorean theorem to calculate <em>H</em> :
Substitute:
<em>subtract 23.04 from both sides</em>
Calculate the volume:
The volume of the composite solid:
Substitute:
