Answer:
29
Step-by-step explanation:
Answer:
about 2 times as many
Step-by-step explanation:
Double 14.5 is 29, which is close to 28.5. Roman's car gets slightly less than 2 time as many miles per gallon as Lei's car.
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If you like, you can take the estimate to the next level. The estimate of "2 times" is high by a factor of 29/28.5 or by 1 unit in 58. This is between 1.5% and 2% high, so a closer estimate is between 1.96 and 1.97 times as many.
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The actual ratio is about 1.9655.
Answer: 2(x+3)=10 x=2
5(x+4)=25 x=1
Step-by-step explanation:
4.369x^10^5+2.6x^10^3
Simplifies to:
Let's simplify step-by-step.
4.369x^100000+2.6x^1000
There are no like terms.
Answer:
=4.369x^100000+2.6x^1000
Step-by-step explanation:
Answer:
x = -1
Step-by-step explanation:
3x + 7 = -x + 3
4x + 7 = 3
4x + 4 = 0
x + 1 = 0
x = -1