Which expression is exactly equivalent to 5a + 3b + 4 + 7a + 9 ?
2 answers:
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Volume of pyramid:
A - base area
H - height
First count volume of one pyramid:
![V=\dfrac{1}{3} \cdot 3 \cdot 4=4 [\hbox{inch}^3]](https://tex.z-dn.net/?f=V%3D%5Cdfrac%7B1%7D%7B3%7D%20%5Ccdot%203%20%5Ccdot%204%3D4%20%5B%5Chbox%7Binch%7D%5E3%5D)
So by using 576 inch^3 you can make 576 : 4 = 144 pyramids
A - base area
H - height
First count volume of one pyramid:
So by using 576 inch^3 you can make 576 : 4 = 144 pyramids