Answer:
Step-by-step explanation:
a₆ = a₇+(6-7)d = -4 -(-5) =1
B = 16
x^2 + 16x + 64 can be factored down to (x + 8)^2.
10x^2y^-2 = 10 x (-1)^2 x (-2)^-2 = 10 x 1 x 1/4 = 10/4 = 2 1/2
Answer:
Step-by-step explanation:
8b - 7 = 7b - 2
Bringing like terms on one side
8b - 7b = - 2 + 7
B = 5
-12 + 5k = 15 - 4k
Bringing like terms on one side
5k + 4k = 15 + 12
9k = 27
k = 27/9 = 3
Answer:
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Step-by-step explanation:
