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2 years ago

7

How has math shaped our culture

1 answer:

Nata [24]2 years ago

5 0

I like math so i think it's good for me

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What is the justification for each step taken from line 2 to line 3?

matrenka [14]

2x was subtracted from both sides.

A. Subtraction Property of Equality

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3 years ago

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How do you do advanced order of operations? Need help on my homework!

Licemer1 [7]

Order of Operations = PEMDAS

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2 years ago

Where do I put the parentheses in 21-8-6=7

Sliva [168]

Answer:

around 21-8 so the equation would look like this (21-8)-6=7

Step-by-step explanation:

you do this because if u put the parentheses around 8-6 you would get 21- (8-6)= 19 because 21 - 2 = 19 so you have to put them around 21-8 to get the right answer

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2 years ago

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Mai Finished her math assignment 3/5 hours. then she completed her English assignments in 1/3 hours. what was the total amount

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2 years ago

Why are the solutions to the proportions 40/8 = x/10 and x/40 = 10/8 the same?

romanna [79]

Answer:

Both proportions are equivalent.

Step-by-step explanation:

We have been given two proportions $\frac{40}{8}=\frac{x}{10}$ and $\frac{x}{40}=\frac{10}{8}$ . We are asked to find why the solutions to our given proportions are equal.

We can solve proportions by cross multiplying them.

After cross multiplying our both proportions we will get same equation that is:

$40*10=8*x$

$400=8x$

$8*x=40*10$

$8x=400$

Since we get same equation after cross multiplying both proportions, therefore, the solutions to the given proportions would be same.

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2 years ago

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