3 years ago

Find the GCF of -10c2d and 15cd2.

Mathematics

1 answer:

MAXImum [283]3 years ago

5 0

Answer:

-5cd

Step-by-step explanation:

You might be interested in

3.9+1.2 whats the answer

LenKa [72]

Answer:

it's answer is 5.1

Step-by-step explanation:

3.9 + 1.2

= 5.1

4 0

3 years ago

Read 2 more answers

Ariana bought 7 muffins she paid 13.02 how much did each muffin cost

nalin [4]

Answer:

About $1.86

Step-by-step explanation:

It could be rounded to $1.90.

5 0

3 years ago

Read 2 more answers

Theo can paint a fence three times as fast as his sister can. Working together, they can paint a fence in 9 hours. How many hour

Deffense [45]

Answer:

12 hours

Step-by-step explanation:

Let Theo's siste can paint a fence in x times

Given.

Theo can paint a fence three times as fast as his sister can. Working together, they can paint a fence in 9 hours.

$\frac{1}{x}+\frac{1}{3x} =\frac{1}{9}\\\frac{3+1}{3x} =\frac{1}{9} \\\frac{4}{3x}=\frac{1}{9}$

Apply cross multiplication

$x=\frac{9\times 4}{3}\\x=\frac{36}{3} \\x=12hours$

Theo’s sister to paint the fence in 12 hours.

8 0

3 years ago

Sales price is 67.50 sales tax is 5% how much is the total amount paid

Zinaida [17]

$70.88

x/67.5=5/100
cross multiply
100x=337.5
divide 100
x=3.375 or 3.38

67.50+3.38= 70.88

7 0

3 years ago

$32 earrings marked up 20% ,,, I need explanation on how to figure out??

Ludmilka [50]

32*1.2=38.4 (.2 is the 20%, and the 1 adds the percent to the original cost making it a mark up)

5 0

3 years ago