What is the value of the rational expression when x=-2? -7 -9 9 7
1 answer:
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Answer: a) 2556.25 miles
b) 82.5 gallons
Step-by-step explanation:
Given : The distance from New York City to Los Angeles is 4090 kilometers.
[∵ 1 km=
miles]
Hence, the distance in miles= 2556.25
If your car averages 31 miles per gallon, then the number of gallons of gas required to use driving from New York to Los Angeles =
Hence, the required number of gallons = 82.5 gallons
ANSWER
The mass of the needle to the nearest hundredth of a gram is
EXPLANATION
The mass of the sewing needle is
We want to round the mass of this needle to the nearest hundredth.
This is the same as rounding to two decimal places.
When we count to the right after the decimal point, the second decimal place falls on the 8. Therefore the hundredth digit is 8.
The the next digit after 8 is 5, so we need to round up to get,
The mass of the needle to the nearest hundredth of a gram is
EXPLANATION
The mass of the sewing needle is
We want to round the mass of this needle to the nearest hundredth.
This is the same as rounding to two decimal places.
When we count to the right after the decimal point, the second decimal place falls on the 8. Therefore the hundredth digit is 8.
The the next digit after 8 is 5, so we need to round up to get,