3 years ago

Simplify the expression. 3m - 3m 3m - 3m =

Mathematics

1 answer:

uranmaximum [27]3 years ago

3 0

3m-3m=0, simply by using 3-3 :)

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An Epson HR100 printer priced at $379 is sold for $319. What was the percent price reduction?

EastWind [94]

Answer:

The percent price reduction was 15.83%

Step-by-step explanation:

we know that

In this problem

$379 represent the 100%

using proportion

Find out what percentage represent the difference between the original price and the final price

$\frac{\$379}{100\%}=\frac{\$379-\$319}{x}\\\\x=100(60)/379\\\\x=15.83\%$

3 0

3 years ago

What is the center of the data in the dot plot? Number of Minutes to Finish the Quiz mc010-1.jpg

Oliga [24]

The answer is 13. Or the third choice, just took the test.

6 0

3 years ago

Can any one please help me to do e and d please can anyone do it for me please

Semenov [28]

Answer:

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Step-by-step explanation:

d) The area of the face triangle is 40 and multiply that with the length, 13 to get 520.

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4 years ago

Select the correct answer.

Afina-wow [57]

Answer:

$d)\ \frac{81}{m^{7}}$

Step-by-step explanation:

$(3m^-4)^3(3m^5)$

First, simplify $(3m^{-4})^3$ :

$(3m^{-4})^3\\\\3^3*m^{-4*3}\\\\27m^{-12}$

$27m^{-12}*3m^5\\\\27*3 *m^{-12+5}\\\\81m^{-7}\\\\81*\frac{1}{m^{7}} \\\\\frac{81}{m^{7}}$

Hope this helps!

5 0

2 years ago

Which of the following is the solution to the equation 4 / 5n = 20?

S_A_V [24]

N=25 because 20 divided by 4 is 5 which is 1/5 of n meaning 5x5 is 25

5 0

3 years ago