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3 years ago

5

Mia discovered that if she takes half her age and adds 3, it produces the same results as taking one-fourth of her age and addin

g 7. How old is Mia?

1 answer:

Vikentia [17]3 years ago

5 0

See https://web2.0calc.com/questions/help_29833.

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A solution of salt and water contains 70 grams of water per 140 milliliters of the solution. If 1 mole of water weighs 16 grams,

Mama L [17]

Answer:

1.09 moles.

Step-by-step explanation:

There is 70g of water in 140ml of solution.

This means there are 17.5g of water in 35ml of solution. (Divide by 4)

In 17.5g of water, there are 17.5/16 = 1.09 moles of water.

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4 years ago

I don’t get how to do it please help????

bonufazy [111]

To put this into simpler terms, well simplier for me anyways, Emma is dividing 9 inches of paper into 2/5, or .4, inches of paper.

That being said, we now just need to divide 9 by 2/5 or .4

We get 22.5

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3 years ago

You deposit $4000 in an account earning 6% interest compounded continuously. How much money will you have in the account in 15 y

boyakko [2]

Answer:

9586.232772

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3 years ago

The radius of the circular lens of a magnifying glass is 4 centimeters.

Mila [183]

Answer:50.27 centimeters

Step-by-step explanation:

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4 years ago

Figure ABCD on the coordinate pione below represents Danield's backyard. Each unit

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3 years ago