2 years ago

Why can you use addition to check your substraction

Mathematics

2 answers:

Elena L [17]2 years ago

4 0

They are both the inverse of each other, same as multiplying and dividing.

Tcecarenko [31]2 years ago

3 0

If you do 7-5 then you get 2. You can check by adding 2+5 to get 7. You do this because this is how you check your work .

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zalisa [80]

1. 50 + 20x = 240

2. 85% so more than 75%

3. 25.9% so about 26%

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2 years ago

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Nathan and Matt plan to paint a house. If Nathan works alone, it will take

Andreyy89

Nathan= 1/10 of the job per day

Matt= 1/15 of the job per day

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2 years ago

Using the Pythagorean Theorem on a Isosceles Right Triangle

Dmitry [639]

Answer:

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Step-by-step explanation:

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2 years ago

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Rewrite in simplest rational exponent form square root of x times the fourth root of x. Show each step of your process.

belka [17]

Answer:

$\sqrt[4]{ {x}^{3} }$

Step-by-step explanation:

$\sqrt{x} \times \sqrt[4]{x} \\ = {x}^{ \frac{1}{2} } \times {x}^{ \frac{1}{4} } \\ = {x}^{ \frac{1}{2} + \frac{1}{4} } \\ = {x}^{ \frac{3}{4} } \\ = \sqrt[4]{ {x}^{3} }$

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1 year ago

Pablo runs 3 miles in 28 minutes. At the same rate, how many miles would he run in 42 minutes?

lions [1.4K]

Answer:

around 4.5

Step-by-step explanation:

28 divided by 3 is 9.333333333

42 divided by 9.33333333333

equals 4.5

4 0

2 years ago