#81 please!!!!!! I’ll rate you!

Mathematics

1 answer:

natta225 [31]4 years ago

6 0

The circumference of a circle with radius $r$ is

$C=2\pi r$

So, one quarter of a circumference will be

$\dfrac{C}{4}=\dfrac{\pi r}{2}$

You radius is 6, so we have

$\dfrac{C}{4}=\dfrac{6\pi}{2}=3\pi \approx 9.42$

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The Height of a ramp is 11 inches and the length of its slanted side it 61 inches. What is the length of the base of the ramp?

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tangare [24]

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Read 2 more answers

What is the x intercept of the equation that passes through (1,-6) and is perpendicular to y=1/3x +1

fomenos

$\bf y=\stackrel{slope}{\cfrac{1}{3}}x+1\impliedby \textit{slope of this line, so a perpendicular will be}
\\\\\\
\textit{perpendicular, negative-reciprocal slope for}\quad \cfrac{1}{3}\\\\
negative\implies -\cfrac{1}{ 3}\qquad reciprocal\implies - \cfrac{ 3}{1}\implies -3\\\\
-------------------------------\\\\
\begin{array}{ccccccccc}
&&x_1&&y_1\\
&&(~1 &,& -6~)
\end{array}$

$\bf slope = m\implies -3
\\\\\\
% point-slope intercept
\stackrel{\textit{point-slope form}}{y- y_1= m(x- x_1)}\implies y-(-6)=-3(x-1)
\\\\\\
y+6=-3x+3\implies 0+6=-3x+3\implies 3=-3x\implies \cfrac{3}{-3}=x
\\\\\\
-1=x\qquad \qquad \qquad \qquad \qquad \qquad \qquad (~-1~,~0~)$

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3 years ago

Jason earns &10.59 per hour. He works 5.75 hours Saturday how much money does he earn Saturday? I know the answer is $60.89

marin [14]

So you are rounding 60.89.
I don't know which way you are aiming for to round, but here are some possible answers.
61.00
60.90
61.90

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