Hello,
y=x²-10x+7=x²-2*5x+25-25+7=(x-5)²-18
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$52 because 4 times 12 equals 48 so 100 minus 48 equals 52
Step-by-step explanation:
) Every positive rational number is greater than 0.
(ii) Every negative rational number is less than 0.
(iii) Every positive rational number is greater than every negative rational number.
(iv) Every rational number represented by a point on the number line is greater than every rational number represented by points on its left.
(v) Every rational number represented by a point on the number line is less than every rational number represented by paints on its right
b
I pretty sure the answer is 3.2 hours. I'm not completely sure though....
The speed at which they are moving apart = 475 + 525 = 1000 mi/h
Time = distance / speed
= 6000 / 1000 = 6 hours
The answer is 6 hours.
