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valentinak56 [21]
3 years ago
15

Milena just turned 11 years old. How old was she 2 1/4 years ago?

Mathematics
1 answer:
marshall27 [118]3 years ago
5 0

Answer:

8 3/4

Step-by-step explanation:

10 4/4

2 1/4

_______

8 3/4

Firs take a whole from 11 so that you are able to subtract the fraction then start subtracting then you should have your answer which is 8 3/4.

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Tim's bank contains quarters, dimes and nickels. He has 3 more dimes than quarters and 6 fewer nickels than quarters. If he has
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(x - 3) + (x - 6) + x = 63
x - 3 + x - 6 + x = 63
Combine like terms
3x - 9 = 63
Isolate the constant
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Simplify the expression 6ab + 3ab - 7ab. What is the coefficient of the simplified expression?
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Forty percent of the 30 members of the drama club were members of the senior class
andriy [413]

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2 years ago
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Petrolyn motor oil is a combination of natural oil and synthetic oil. It contains 7 liters of natural oil for every 5 liters of
Svetach [21]
What we know:
Petrolyn motor oil is a combination of natural oil and synthetic oil. It contains 7 liters of natural oil for every 5 liters of synthetic oil.

What we need to find:
If 355 liters of synthetic oil are used, how many liters of petrolyn oil will be made?

Set up a proportion to find how much natural oil is used.
7L natural oil/5L synthetic oil = x/355 synthetic oil where x=natural oil
7/5=x/355
(5)(x)=(7)(355) cross multiplied
5x=2485 simplified
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Now, add both synthetic oil and natural oil to find amount of petrolyn oil.

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5 0
3 years ago
What is the value of y
AVprozaik [17]

Answer:

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Step-by-step explanation:

An exterior angle of a triangle is equal to the sum of the opposite interior angles

So

y + y = 88

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y = 44

6 0
3 years ago
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