I need help with this question ??

Mathematics

2 answers:

aliya0001 [1]3 years ago

5 0

Answer:

Step-by-step explanation:

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

Alex787 [66]3 years ago

3 0

Answer:

D) -3x^2 +4x

Step-by-step explanation:

When multiplying two variables you have to add the exponents together. Techincally x has an exponent of 1 so does -3x. 1+1 = 2 so the first term is -3x^2 and the next one is 4x

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geniusboy [140]

Answer:

4200

Step-by-step explanation:

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3 years ago

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andre [41]

Answer:

Step-by-step explanation:

First, set up the ratio of c:t, which is 12:8. Then set up your new ratio of c:t, which is 105:?. The way I find the easiest is to divide 105 by 12, which is 8.75, then multiply that by 8, which is 70. To check if it's right, just divide 12 by 8, and 105 by 70, and if they're the same number, you've got it right.

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2 years ago

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vodomira [7]

Step-by-step explanation:

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