Answer:
a) 512 cm^3
b) 469.125 cm^3
Step-by-step explanation:
8*8*8 = 512 cm^3
or
8^3 = 512 cm^3
3.5^3 = 42.875
512 - 42.875 = 469.125 cm^3
You can round the second answer down
Answer:
Equilateral triangle
Step-by-step explanation:
equilateral triangle is a triangle in which all three sides have the same length
Answer:
AD=2
Step-by-step explanation:
![\frac{6}{12} =\frac{AB}{20} \\AB=\frac{6}{12} \times 20=10\\AD+DF+FB=10\\AD+6+FB=10\\AD+FB=10-6=4\\AD+AD=4 ( \because ~FB=AD )\\2AD=4\\AD=4/2=2](https://tex.z-dn.net/?f=%5Cfrac%7B6%7D%7B12%7D%20%3D%5Cfrac%7BAB%7D%7B20%7D%20%5C%5CAB%3D%5Cfrac%7B6%7D%7B12%7D%20%5Ctimes%2020%3D10%5C%5CAD%2BDF%2BFB%3D10%5C%5CAD%2B6%2BFB%3D10%5C%5CAD%2BFB%3D10-6%3D4%5C%5CAD%2BAD%3D4%20%28%20%5Cbecause%20~FB%3DAD%20%29%5C%5C2AD%3D4%5C%5CAD%3D4%2F2%3D2)
Answer:
$10
Step-by-step explanation:
x is her weekly allowance.
She spent half her allowance and has ½x remaining.
She earned $7, and now has $12.
12 = ½x+7
x = 10