2 years ago

When finding the common denominator between fractions, which value can be helpful, GCF, or LCM? How?

1 answer:

4 0

Answer:

The answer would be GCF because when you finding the common denominator GCF is how you do it. at least thats what I do and I got it right! :p

hope this helps! :) I don't really know how to explain lol

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Brendon sells tires at the local auto parts store. He told a customer that the tire width for a new tire was 21.5 centimeters. W

fenix001 [56]

Answer:

215 mm

Step-by-step explanation:

1 cm = 10 mm

21.5 cm * (10 mm)/(1 cm) = 215 mm

Answer: 215 mm

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2 years ago

Use the substitution method to solve each system of equations. Write the answer in ordered pairs.

tatyana61 [14]

x -y = 1

5x + 3y = 45

Solve the first equation for x: x = y + 1

Substitute x in the second with y + 1

5x + 3y = 45

5(y + 1) + 3y = 45

5y + 5 + 3y = 45

8y + 5 = 45

8y = 40

y = 5

Substitute 5 for y in x = y + 1

x = y + 1

x = 5 + 1

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Answer: (6, 5)

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2 years ago

The volume of Jupiter is approximately 1014 cubic kilometers. The volume of Earth is approximately 1011 cubic kilometers. How ma

Lilit [14]

a 10^-3 i hope this helps you .

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3 years ago

Y = 2/3x – 1 is a perpendicular to which line that passes through the point (-6, 4).

OLga [1]

Answer:

y= -3/2x - 5

Step-by-step explanation:

Substitute (-6,4) into equation:

y = -3/2x + c

4 = -3/2 x -6 + c

4 = 9 + c

-9

-5 = c

Hope this helps!

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1 year ago

$200 at 7% per year for 9 months

Ganezh [65]

the answer is 126
200 divided by 100 = 2
2 x 7= 14
14 x 9 = 126

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2 years ago