Answer:
2x = -5 +/- root 5 (opt 3)
Step-by-step explanation:
0 = 4f(x)
= 4(x^2 + 5x + 5)
= 4x^2 + 20x + 20
= (2x)^2 + 2*2x+5 + 25 - 5
= (2x + 5)^2 - (root 5)^2
= ((2x+5) - 5) ((2x + 5) + 5)
= (2x + 5 - 5) (2x + 5 - 5)
Therefore, 2x = -5 +/- root 5
Hope u understand.
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Answer:
v = 8
Step-by-step explanation:
Expand
4v - 14 = 18
Rearrange
4v = 18 + 14
4v = 32
v = 8
Answer:
0.02702702702
Step-by-step explanation:
calculator
The "1" is in the thousandths place.
2543.9813 (The number bolded is the answer)
Best of luck.
Answer:
First you have to find x which you do not give so it will be 9.42
Step-by-step explanation: