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inn [45]
3 years ago
15

How do you do simplify this -9 -11

Mathematics
2 answers:
zheka24 [161]3 years ago
7 0

Answer:

-9 + -11=-20

Step-by-step explanation:

Since subtracting is the same as addition of the oppositie, just putting a negative symbol is easier because you are only working with negative numbers, instead of one negative and one positive.

Did that help?

nikklg [1K]3 years ago
4 0

Answer:

-20

Step-by-step explanation:

it’s just solving it, nothing special

-9+-11

(I made it addition ti make it easier, why, because if there’s a problem that doesn’t make sense right away make it addition, to make it addition just make the signs opposite, Ex: -3-5, we keep -3 and make the negative sign before the 5 into addition and now to make that equal we turn the now positive 5 into negative 5 so final result is -3+-5 which is much easier and you’ll get -8.

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Answer:

y=29

Step-by-step explanation:

y=5+6(4)

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Step-by-step explanation:

Start by writing out w in terms of x. After one year, there is 1.08*x dollars in the account. x dollars are then deposited, giving us a total of 1.08*x + x (normally we would simplify this to 2.08 but looking at the answers this is not a good idea.) Next, multiply by 1.08 to account for the 2nd year's interest. This brings to total to w = 1.08(1.08*x + x) = (1.08^2)*x + 1.08*x. Factoring out x, we are left with w = (1.08^2 + 1.08) * x. Dividing both sides by (1.08^2 + 1.08), we are left with x = w/(1.08^2 + 1.08) so the answer is d.

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Answer:

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Step-by-step explanation:

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Remove the parenthesis to make it easier to read :

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Multiply the denominators :

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Apply the negative rule :

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3 years ago
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