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PolarNik [594]
3 years ago
7

Half of 6900 and 8100

Mathematics
2 answers:
klio [65]3 years ago
5 0

6900 + 8100 = 15000

15000 divided by 2 = 7500

So your answer is 7500

viva [34]3 years ago
3 0

11550 is the answer hopfully it helps Good Luck!

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By what percent will a fraction change if its numerator is decreased by 20% and its denominator is decreased by 60%?
Vedmedyk [2.9K]

Answer:

The fraction will increase by 100%

Step-by-step explanation:

Say the fraction is x/y. The question is telling us to decrease x by 20% (i.e. 0.8x) and to decrease y by 60% (i.e. 0.4y):

= \frac{0.8x}{0.4y}\\= 2 (\frac {x}{y})

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3 years ago
Factor completely x2 + 20x − 36.
vodomira [7]

Answer:

Prime

Step-by-step explanation:

x² + 20x − 36

You must find a pair of numbers that multiply to give -36 and add to give +20.

The likely candidates are 2 and 18, and they must have opposite signs to give a negative product.

+2 × (-18) = -36; +2 + (-18) =   -16

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The expression can't be factored with rational numbers.

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5 0
3 years ago
What is 9 + 10? This is hard homework
Lubov Fominskaja [6]
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4 0
3 years ago
The top two most profitable Fortune 500 companies in 2016 were Apple and JP Morgan Chase & Co. JP Morgan Chase & Co.'s r
svetlana [45]

Answer:

a. 53.4

b. 24.4

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5 0
2 years ago
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