Answer:
3(x + 2)(x - 6) = 0
Step-by-step explanation:
We see that if x + 2 = o then x= -2
and if x - 6 = 0, x = 6.
12) the radius is 15 so with the equation (3.14)*r^2, we get (3.14)(15^2)=706.5
13) true, true (if x=4), true
14) y=0.75x+4.50, $8.25
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Are the answers the first line is for the first question same for the second and 3rd
Answer:
120
Step-by-step explanation:
15 x 16/2
You double 8 because your rotating around the y-axis