2 years ago

Help me on 4 please and thank u

1 answer:

Reil [10]2 years ago

8 0

8 divided by 2 equals 4

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zhuklara [117]

Let

x---------> the thickness of the frame in feet

At-------> Area of the mirror and the frame in square feet

we know that

$At=19.25ft^{2}$ ------> equation $1$

$At=(3+2x)*(5+2x)\\ At=3*5+3*2x+5*2x+2x*2x\\ At=15+6x+10x+4x^{2} \\ At=4x^{2} +16x+15$ --------> equation $2$

equate equation $1$ and equation $2$

$19.25=4x^{2} +16x+15\\ 4x^{2} +16x+15-19.25=0\\ 4x^{2} +16x-4.25=0$

therefore

the answer is the option

$C. 4x2 + 16x - 4.25 = 0$

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Natalija [7]

136 °Fahrenheit
=
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If you rounded it, it would be 58 °Celsius.

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USPshnik [31]

I need more information to answer this question

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mel-nik [20]

Answer:

Picture or Reference?

Step-by-step explanation:

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Vilka [71]

Cameron would have to work 6 hours. 15+4.50*6=42

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