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leonid [27]
3 years ago
5

What is the greatest common factor of 30 and 15

Mathematics
1 answer:
il63 [147K]3 years ago
8 0

Answer: The common factors of 15 and 30 are 1, 3, 5, and 15. The greatest common factor is 15

Step-by-step explanation:

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6.01 x 10 -6 power in decimal form
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How can i rewrite that with exponents instead of repeated multiplication
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2 years ago
When sales of a particular hybrid automobile reach 60,000 units, federal income tax credits begin to phase out. One year after r
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Answer:

$750

Step-by-step explanation:

so, in short, we need to calculate 25% of $3000.

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direct and fast answer :

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now, a little bit longer to explain % calculations in general.

let's say, we are talking 27%. now we have a problem to find a fast fraction as factor.

it always starts with the identification of 100%.

what is the full starting amount we are dealing with ? that is the 100%.

in our case $3000.

now, as a base for the calculation we determine 1%, which is 1/100 of 100%, of course.

1% = $3000 / 100 = $30

to get said 27% we have to multiply this by 27

27% = 1% × 27 = $30 × 27 = $810

or in general

x% = 100% × x / 100

that also works for more complex questions. e.g. calculate 1.5%

1.5% = $3000 × 1.5 / 100 = $30 × 1.5 = $45

and that is all there is to % calculations. all the questions are just some variations, where your are missing one of the 3 "ingredients" : 100% amount, x% amount and x itself.

and you need to transform the general equation above to get the missing piece of of the given information.

3 0
2 years ago
Rosalinda's family is taking a road trip. They drove at a rate of 45 miles per hour. If they drove for 5 hours on the first day
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Step-by-step explanation:

Trust me! The equation is..

5+4(45)

9(45)

405

3 0
3 years ago
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