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Mathematics

1 answer:

storchak [24]3 years ago

7 0

Every single one of those polynomials factors. When factored, your expression looks like this: $\frac{(3x-7)(x+3)}{x+3)(x-2)} * \frac{(2x+7)(x+9)}{(3x-7)(2x+7)}$ . When you cancel the like factors out, what you're left with is this: $\frac{1x+9}{1x-2}$ . That means that b = 9, c = 1, and d = -2

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F(x) =2x-5 and g(x) =x+52 find f(g(x)

irga5000 [103]

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f(g(x)) = 2(g(x)) - 5

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2 years ago

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Elimination using addition and subtraction. <br> -4x+4y=-20<br> -2x+4y=-2

goldfiish [28.3K]

I would subtract the 2nd from the first one

so -4x - -2x = -2x

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now I would divide that by -2 to get the value for x

so no we have x = 9

now you just have to substitute that into one of the equations and simplify to get y

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4y =16

y = 4

3 0

3 years ago

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Suppose you had d dollars in your bank account. You spent $22 but have at least $42 left. How much money did you have initially?

german

1) What left

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*Obs: remember that left at least 42 dollars. In other words, the left over is equal or more than 42 dollars.

2) At the beginning

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2 years ago

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Given:

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