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dusya [7]
3 years ago
14

HELP ASAP. The two lines graphed on the grid each represent an equation.

Mathematics
1 answer:
sammy [17]3 years ago
3 0

Answer:

B

Step-by-step explanation:

the lines cross at (-2,1)

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What is the length and width of a room that is 60 square meters and has a perimeter of 32 meters
AleksAgata [21]
L = lenght
W = width

L * W = 60 \\
2L + 2W=32\\\\
L = \frac{32-2W}{2}\\
\frac{32-2W}{2}*W = 60\\
(16-W)*W = 60\\
-W^{2} + 16W -60 = 0\\\\

d = 16^{2} - 4*1*60 =  256 - 240 = 16 \\\\
W1 = \frac{-16+\sqrt{16}}{-2} =  \frac{-12}{-2} = 6\\
W2 = \frac{-16-\sqrt{16}}{-2} =  \frac{-20}{-2} = 10\\

L1 = 10\\
L2 = 6\\


so

{L,W} = {6,10} or {10,6}

but L > W  so

L = 10
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Step-by-step explanation:

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3 years ago
Given F(x) = 3x 2 - 4, find F(-√3). <br><br> a)-13<br> b)5<br> c)23
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