Answer:
3 3/7
Step-by-step explanation:
7x+2v=48
2v. -2
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46
7x+46=48
-46. -46
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7x=2/7. x=2/7=1/7
x=1/7
Answer:
2197 cubic centimeters
Step-by-step explanation:
13^3=2197
Answer:
I think it is 90 and 100
Step-by-step explanation:
I used this equation: x is the speed of the slower train
910 = (5x + 10) + 5x
-4(-4) = positive 16
Positive 16(-4) = -64
-64 is your answer