2 years ago

Please help! asap! i have no idea what it is and it’s worth a lot of points on my test!

1 answer:

5 0

I haven’t done math in forever, do you want us to simplify it? Bc it would be 2x+8=-16=4x+6 but I’m not sure

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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

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

5 0

2 years ago

Elina [12.6K]

The answer is 3.65 x 10^5

7 0

2 years ago

Montano1993 [528]

P(A)= 4+5+6= 15/2= 75%
P(B)= 6+4=10 5/10= 50%
P(C)= 5+4=9 6/9= 66.6%

4 0

2 years ago

rewona [7]

1 chip is $10
So, for 79 chips,
= 79 x $10
= $790

5 0

2 years ago

Zarrin [17]

Subtracting 2 from the original equation moves the graphed line 2 units down.

3 0

3 years ago