4 years ago

Solve for x: 3(x – 5) = x – 1

Mathematics

2 answers:

andrew11 [14]4 years ago

7 0

X=7

3(x-5)=x-1
3x-15=x-1
3x=x+14
2x=14
14/2=7
X=7

NeTakaya4 years ago

6 0

Answer: the answer is 7

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Read 2 more answers

Find the area A of the sector of a circle of radius 90 in formed by central angle 1/6 radian.

miv72 [106K]

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2121 $in^{2}$ Rounded to the nearest inch.

Step-by-step explanation:

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A = $\frac{\frac{\pi }{6} }{2\pi }$ $\pi r^{2}$ The $\frac{\pi }{6}$ is the part of the circle and the whole circle is 2 $\pi$

$\frac{\frac{\pi }{6} }{2\pi }$ is the same as $\frac{\pi }{6}$ ÷ $\frac{2\pi }{1}$ Which is the same as $\frac{\pi }{6}$ x $\frac{1}{2\pi }$ Which is the same a $\frac{1}{12}$

A = $\frac{1}{12}$ $\pi$ $90^{2}$

A = $\frac{1}{12}$ (3.14)(90)(90) = 2119.5. When you use the $\pi$ on your calculator you get a slightly different number. This is due to rounding.

A = 2120.575041

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2 years ago

Solve the equation using any method. Round your solutions to the nearest hundredth, if necessary. 3x2 – x – 3 = 0

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4 years ago