270 miles be 90+90+90 equals 270 and thats the answer
Answer:
Squaring both the sides, we get a quadratic and solving it, we find that the possible values of x are -7 and -4.
Step-by-step explanation:
The expression can be written as √(x+8) - 6 = x. Take 6 on the other side and square both the sides.
[√(x + 8)]² = (x + 6)²
x + 8 = x² + 12x + 36
x² + 11x + 28 = 0
x² + 7x + 4x + 28 = 0
(x + 7)(x + 4) = 0
x = -7 and x = -4
The possible values of x are -7 and -4.
For more explanation, refer the following link:
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Answer:
check attached image :)
Step-by-step explanation:
Answer:
a and c
Step-by-step explanation:
7(4)-1 =27
9(4)+22 does not equal 26
46-8(4)=14
5(4)+40 does not equal 62
