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Nady [450]
3 years ago
10

Please help me on #7

Mathematics
1 answer:
zhuklara [117]3 years ago
5 0

Answer:

17.25

Step-by-step explanation:

34.50 divided by 2

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tekilochka [14]

Answer:

1/9 use inverse.

Step-by-step explanation:

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3 0
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Answer this question show you’re work
Svetlanka [38]

Answer:

Step-by-step explanation:

The answer is x=-4 the work is shown on the pic

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Nadusha1986 [10]
1. when you see 4(x² - 1), then you have to multiply 4 with everything in the bracket. keep in mind that you always have to be cautious of the sign whether it is a positive or a negative.

positive ×/÷ positive = positive
negative ×/÷ negative = positive
positive ×/÷ negative = negative
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^ you have to remember this.

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6 0
3 years ago
Use number properties to simplify the following expression.
attashe74 [19]

Answer:

3

Step-by-step explanation:

the answer is 3, because you always have to add the numbers in paranthises first. and 5+3= 8. u bring down the -5 and you have -5 + 8 = 3.

6 0
3 years ago
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Tatiana [17]

Answer:

The answer is -x^4, Good Luck!

Step-by-step explanation:

(3x^4+2x^2-6) - (4x^4+2x^2-6) = -x^4

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