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Sphinxa [80]
3 years ago
15

HELP!!! Please I need work shown I have no clue how to do this and I need a good answer please and thank you

Mathematics
1 answer:
zheka24 [161]3 years ago
7 0
Factorize x²+7x+12 ===> (x+3)(x+4)

Factorize x²-3x-28 ===> (x-7)(x+4)

4x + 12 can be written====> 4(x+3)

Then the question could be written as follows:

 [(x+3)(x+4) / (x-7)(x+4) ] / 4(x+3) = [(x+3)(x+4) / (x-7)(x+4) ].[4(x+30]
After simplification you get 1 / 4(x-7)



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Gennadij [26K]

Answer:

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A pack of pencils, p, costs $1.99. A school buys $129.35 worth of pencils.
rosijanka [135]

Answer:

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3 years ago
Pls solve fast ! I’m begging you ! The lesson is operations on functions
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Step-by-step explanation:

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Michelle tried to solve an equation step by step. \begin{aligned} t-\dfrac35&=\dfrac45\\\\ t-\dfrac35+\dfrac35&=\dfrac45
valentinak56 [21]

Answer:

Step 2

Step-by-step explanation:

Michelle's step in trying to solve the equation is given below:

\begin{aligned} t-\dfrac35&=\dfrac45\\\\ t-\dfrac35+\dfrac35&=\dfrac45+\dfrac35&\green{\text{Step } 1}\\\\ t&=1&\blue{\text{Step } 2} \end{aligned}

Michelle made a mistake in Step 2.

The right hand side of Step 1:  \dfrac45+\dfrac35\neq 1

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\dfrac45+\dfrac35=\dfrac75\\\\=1\dfrac25

5 0
3 years ago
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