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EastWind [94]
3 years ago
10

A line passes through the points R(-1,-5) and S(-3,-1). Write the equation of the line through the point A(4,0) that is parallel

to line RS.
y= -2x-2
y= -2x+8
y= 2x-8
y= 2x

Mathematics
1 answer:
IRISSAK [1]3 years ago
4 0
Sorry I was moving around taking the picture and my handwriting is sloppy. But I hope you understand how I got the answer

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Bonnie can complete her paper route in 45 min. when her sister jean helps her it takes them 18 min to complete the route. how lo
Taya2010 [7]
We know that Bonnie complete her paper route in 45min. So, in 1min she can complete:

\frac{1}{45} of her paper route.

We need to know <span>how long it would take Jean alone, then we will call this time x. Working together they last 18min, so </span>in 1min they can complete:

\frac{1}{18} of the paper route.

The paper route working together satisfies the following equation:

\frac{1}{18} = \frac{1}{45} + \frac{1}{x}

Solving this equation:

\frac{1}{x} = \frac{1}{18} - \frac{1}{45} =  \frac{45-18}{810} =  \frac{27}{810}
x = \frac{810}{27} = 30min

Finally:
It takes 30min to complete the paper route by Jane alone.

8 0
3 years ago
A circle has a sector with area \dfrac{64}{5}\pi 5 64 ​ πstart fraction, 64, divided by, 5, end fraction, pi and central angle o
Marina86 [1]

Answer:

Area of circle is \dfrac{1024\:\pi}{25}

Step-by-step explanation:

Since angle \theta is given in radians, so using formula for area of sector in radians is given as,

Area\:of\:sector=\dfrac{1}{2}\:r^{2}\:\theta

Given area of sector and angle. Therefore substituting the values in above formula,

\dfrac{64\pi}{5}=\dfrac{1}{2}\:r^{2}\:\left (\dfrac{8\pi}{5}\right )

Cancelling out the common term,

16=\dfrac{1}{2}\:r^{2}

Multiplying with 2 on both sides,

16=r^{2}

Therefore value of r^{2} is 16

Formula for area of circle is,

Area\:of\:circle=\pi\:r^{2}

Substituting the value,

Area\:of\:circle=\pi\times16

Area\:of\:circle=16\pi

Therefore area of circle is 16\pi

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Answer:

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Step-by-step explanation:

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5 0
3 years ago
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Yakvenalex [24]
Answer is A

explanation: pay attention to the part where it says white (which is 2) to red roses (5) so it would be A
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3 years ago
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