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miss Akunina [59]
3 years ago
13

Solve for x. x^2+2=102 there are two solutions for x

Mathematics
2 answers:
horrorfan [7]3 years ago
8 0
Well one is def 10 but im not sure what the other one is
Over [174]3 years ago
8 0
If you subtract two from each side of the equation(each side of the equal sign) than what you have is X^2 = 100. if you take the square root of both sides of the equation, it looks like x= 10. The answer is 10
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Slope intercept form 10x-7y=-8
Maslowich
Hello Isaiah! (Cool name)

10x - 7y = -8

We need to use the slope - intercept form y = mx + b to find the slope m.

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3 years ago
How do you factor 8y^3+316
PilotLPTM [1.2K]
8y^3+316
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7 0
3 years ago
A watch cost 75.99. If the sales tax rate is 6.25 percent, what is the amount of sales tax. Plus, please show your work.
rusak2 [61]
So the watch costs 75.99 including sales tax.

The sales tax is 6.25% of the value of the watch.

100% of the value of the watch is n.

100% + 6.25% of the value of the watch is 106.25/100 * n = 75.99

Let's calculate the sales tax...

\frac { 106.25 }{ 100 } \cdot n=75.99\\ \\ 106.25\cdot n=7,599\\ \\ n=\frac { 7,599 }{ 106.25 }

\\ \\ =71.52\\ \\ Sales\quad Tax\quad is\quad Therefore:\\ \\ 75.99\quad -\quad 71.52\quad =\quad 4.47
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