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charle [14.2K]
2 years ago
5

I need help with this question.

Mathematics
1 answer:
Veronika [31]2 years ago
7 0
X=2 if thats what your asking
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Let the numbers be 7x and 4x
According to question
7x-4x =57
3x =57
X=57/3
X=19
So the numbers are
7x=7*19=133
4x=4*19=76
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Answer ASAP! Which statement best illustrates using the vertical line test to determine if the graph below is a function of x?
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2 years ago
Select all the factors roots of x^3 +2x^2-16x-32
Ivanshal [37]

Factor by grouping. Group up the terms into pairs, factor each pair, then factor out the overall GCF.

x^3 + 2x^2 - 16x - 32

(x^3 + 2x^2) + (-16x-32) ... pair up terms

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x^2(x + 2) - 16(x + 2) ... factor -16 from the second group

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

The original expression completely factors to (x - 4)(x + 4)(x + 2)

The three factors are x - 4  and  x + 4   and   x + 2

5 0
3 years ago
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Which statement correctly describes this expression? 2m^3 -11
julsineya [31]

Answer:

Option A is the correct answer

Step-by-step explanation:

A. The difference of twice the cube of a number and 11

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kap26 [50]

Answer:

1200

Step-by-step explanation:

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2 years ago
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