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3 years ago

Simplify the following expression. 44[(9 + 3) + 72 - 6 * 2.5 - 19] - [42 - 3(77 + (3.5 2)) - 9]

Mathematics

1 answer:

Tpy6a [65]3 years ago

8 0

Step-by-step explanation:

2399.56 is the correct answer.

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3 years ago

A health food store makes trail mix using dried fruit and nuts. The cost of the dried fruit is $2.50 per

Vinil7 [7]

Answer:

cost of dried fruit per pound=2.5 $/pound

cost of nuts per pound =2 $/pound

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Step-by-step explanation:

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3 years ago

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4 years ago

Super Super dumb Easy question lol Does this count as an equation 60.50 × .20 = x

xxTIMURxx [149]

Yes i’m pretty sure it counts

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3 years ago

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The age of a boy is twice that of his sister. five years ago the boy was 3 times the age of his sister. How old is the boy

joja [24]

Answer:

<h2>20 years old.</h2>

Solution,

Let the age of sister be X

Let the age of boy be 2x

Now,

Five years ago,

 $3(x - 5) = 2x - 5 \\ or \: 3x - 15 = 2x - 5 \\ or \: 3x - 2x = - 5 + 15 \\ x = 10$ 

Again,

Replacing value,

 $age \: of \: boy = 2x \\ \: \: \: \: \: \: \: \: \: \: \: \: \: = 2 \times 10 \\ \: \: \: \: \: \: \: \: \: \: \: = 20$ 

hope this helps..

Good luck on your assignment..

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3 years ago