Answer:
7?
Step-by-step explanation:
31xm=217
m=217/31
m=7
3x + 4(3x+17) = 8
3x + 12x + 68 = 8
15x = - 60
x = - 4
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Answer:
A square
Step-by-step explanation:
A parallel cross section will be the same shape of the base. Since it's a square base, all parallel cross sections will also be parallel. Think of it as a different floor of a pyramid shaped building.
Answer: ±√2
Step-by-step explanation: A fraction is undefined when its denominator is =0 or undefined. so we need to get 2/3x²-6=0 or undefined. so we can also do 3x^2-6=0. Solving yields ±√2!
Answer:
10.50
Step-by-step explanation:
16.50-6