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____ [38]
3 years ago
7

Add 5y - 9 and 2 - 5y

Mathematics
2 answers:
Evgen [1.6K]3 years ago
8 0

Answer:

5y - 9 + 2 -5y =

Step-by-step explanation:

5y - 9 + 2 - 5y

= 5y - 5y - 9 + 2

= -7

(As + 5y and - 5y cancel out)

levacccp [35]3 years ago
6 0

Answer:

10y-11

Step-by-step explanation:

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Answer:

Ashleys age is 28.

Step-by-step explanation:

When finding numbers that are consecutive, I like to divide the sum in this case, 100 by the number of people or things, in this case, the 4 siblings. The sum is 100 and there are 4 of them so we divide them first.

100÷4=25 so our answer must be around there. The question states that the ages must be even. So the even numbers in the range of lets say 20-30 are 20, 22, 24, 26, 28 and 30. Closest four numbers to 25 are 22, 24, 26 and 28. We must have two numbers below 25 and two numbers above 25.  So we will keep 22,24,26 and 28. If you add them together, then you'll get 100! Since we are looking for Ashley's age which is the oldest, her age will be 28 as 28 is the highest number out the four numbers (22,24,26,28)

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How to divide 8 by 3 the long way
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An 8% sales tax is applied to a $300 purchase in Texas. What is the total price with tax
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Principal = $2,400<br> Rate = 4%<br> Time = 30 months
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Answer:

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Step-by-step explanation:

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note: I changed 4% to a decimal and 30 months to 2.5 years

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------------------------------------------------------------------------------------------------------------

The simple interest accumulated on a principal of $ 2,400.00  at a rate of 4% per year for 2.5 years (30 months) is $240.00.

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* Last time I did interest was in 6th grade and I don't remember much. So I am very sorry if my answer is wrong *

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