Complete the square:
x^2 - 12x + (-6)^2 - (-6)^2 = 61, or
(x-6)^2 -36 = 61, or
x-6 = plus or minus sqrt(97), or
x = 6 plus or minus sqrt(97)
Answer:
B. 41
Step-by-step explanation:
Since He Earns 2 Points for each and he got 21 correct answers, that means 42 Points Correct.
He Loses 0.25 for each incorrect, and he got 4 incorrect, therefore he loses 1 point. and 42-1 is 41.
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The answer to your question is as follows
281.12
What is the question here
Answer:
32year
Step-by-step explanation:
let Ahmed be x years then sheriff will be x+8
in 7years time
sheriff will be x+8+7=x+15
Then Ahmed will be x+7
sum of their ages will be 7\10×100=70years
x+15+x+7=70
collect like terms
2x+22=70
2x=70-22
2x/2=48/2
x=24years
Sheriff=24+8
32years
