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Alex Ar [27]
3 years ago
10

Explain how to use multiplication to check the answer to a division problem

Mathematics
1 answer:
pentagon [3]3 years ago
4 0

Do the division problem.

Multiply the quotient times the divisor.

If there is a remainder, add it to the multiplication product.

Compare this answer to the dividend. They should be the same number

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A multivitamin tablet contains 10.5mg of calcium. How much calcium does a bottle of 20 tablets contain? Write your answer in gra
Gelneren [198K]

Hi!

If one tablet contains 10.5mg of calcium, then 20 tablets contain 20*10.5 mg = 210 mg.

1 g = 1000 mg

Knowing that : 210 mg = 0.21 grams

Hope this helps!

4 0
3 years ago
A hockey team is revealing their championship banner outside their stadium. The banner is in the shape of a triangle with a heig
kipiarov [429]

Answer: the length of the base of the banner is 3 meters.

Step-by-step explanation:

Assuming the banner is in the shape of a right angle triangle, we would apply the formula for determining the area of a triangle which is expressed as

Area = 1/2 × base × height

Let b represent the base

The banner is in the shape of a triangle with a height that is 4 times as tall as the base length of the banner. It means that the height of the banner is 4b

If the total area of the banner is 18 square meters, it means that

18 = 1/2 × b × 4b

18 = 2b²

b² = 18/2 = 9

b = √9 = 3 meters

5 0
2 years ago
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Tpy6a [65]

Check the picture below.

7 0
2 years ago
What is an example of a coefficient?<br><br> 5 + x<br><br> x + 5<br><br> 5x<br><br> 5 - x
My name is Ann [436]

Answer:

I think the answer to the question is 5x

7 0
3 years ago
Find the equation of the line through the points (6, -9) and (-2, -1).
slava [35]

Answer:

y = -1x - 3

Step-by-step explanation:

y2 - y1 / x2 - x1

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= -1

y = -1x + b

-1 = -1(-2) + b

-1 = 2 + b

-3 = b

5 0
2 years ago
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