Answer:
Step-by-step explanation:
slant height = l = 15 mm
radius = r = 7 mm
Surface area of cone = πr (l + r) square units
= 3.14 * 7 *(15 + 7)
= 3.14 * 7 * 22
= 483.56 square mm
Answer:
2
Step-by-step explanation:
![x^{3} =8\\x=\sqrt[3]{8} \\x=2](https://tex.z-dn.net/?f=x%5E%7B3%7D%20%3D8%5C%5Cx%3D%5Csqrt%5B3%5D%7B8%7D%20%5C%5Cx%3D2)
use your calculator
Answer:
X = [-5 -1 2 1] - [-1 -2 4 8] = [-4 1 -2 -7]
