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valina [46]
3 years ago
5

The cost of having a window fixed is $100 plus $20 per hour of labor. Using h for the number of hours of labor, write an express

ion that represents the total cost.

Mathematics
1 answer:
kipiarov [429]3 years ago
3 0

Answer:

Step-by-step explanation:

labor cost = 20 * h = 20h

Total cost = 100 + 20h

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In 1875 an estimated twelve-and-a-half trillion locusts appeared in Nebraska.Write the number of locusts in scientific notation.
oksano4ka [1.4K]

Answer:

12.5 x 10^12

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3 years ago
2% of 350 is what number?
weeeeeb [17]

Answer:

7

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An easy way to find any percentage of a number is to multiply with decimals. To do this you have to first convert the percentage to a decimal. Do this by moving the decimal point in the percentage 2 places to the left. This means that 2.0% becomes 0.02. Then, multiply this decimal by the whole number. So, 0.02*350. This equals 7, which is 2% of 350.

This same trick will work with any problem. For example 38% of 435 is the same as 0.38*435, which equals 165.3.

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Hope it helps

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3 years ago
A cat heart beats about 130 beats per minute .A kitten heartbeat can be as fast as 240 beats per minute.How many times does a ki
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