bm42400
12.11.2019 •
Mathematics
What is the value of x in the equation 8x-2y=48when y=4
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Ответ:
x=7
Step-by-step explanation:
8x-2(4)=48 Substitute y w/ 4
8x-8=48 Multiply
8x-8+8=48+8 Add 8 to both sides
8x=56
8x÷8=56÷8 Divide both sides by 8
x=7
Ответ:
B
Step-by-step explanation:
h(t) = (t + 3)² + 5
A) h(t) = (t + 3)² + 5 -2 ≤ t ≤ 0
average rate of change in h over the change in t is given as:
It does not have a negative average rate of change
B) A) h(t) = (t + 3)² + 5 -4 ≤ t ≤ -3
average rate of change in h over the change in t is given as:
It have a negative average rate of change
c) A) h(t) = (t + 3)² + 5 -3 ≤ t ≤ 4
average rate of change in h over the change in t is given as:
It does not have a negative average rate of change
D) h(t) = (t + 3)² + 5 1 ≤ t ≤ 4
average rate of change in h over the change in t is given as:
It does not have a negative average rate of change