Answer:
1.125,−1.125
Step-by-step explanation:
64x^2+10=91
64x^2+10−10=91−10
64x^2=81
64x^2
/64 = 81
/64
x^2=
81
/64
x=±√
81
/64
x=1.125,−1.125
Answer:
20/3
Step-by-step explanation:
5/k=15/20
5/k=3/4
5 x 4/3 = k
k=20/3
Answer:
-2?
Step-by-step explanation:
Multiply -1 by -4 to get 4
subtract 20 from 12 to get -8
simplify to get -2
Answer:
D) -0.87
Step-by-step explanation:
I took this test don't quote me on the answer but this is what my peers put.