What is the equation of this circle?

Mathematics

1 answer:

Marat540 [252]3 years ago

7 0

you have to show us the circle mate???

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Angle BCD is a circumscribed angle of circle A. Angle BAC measures 53°.

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Answer:

please refer the the photo bellow

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Step-by-step explanation:

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Lena is converting 2/25 to a percent. What should she multiply the numerator and denominator of the fraction by to find the perc

NNADVOKAT [17]

A percent is a number out of 100, so you'd want to multiply the denominator to get 100. In this case, 25 would have to be multiplied by 4 to get 100. To keep the fractions equal to each other, you have to multiply the numerator by the same thing. 2*4=8. Therefore, your fraction would be 8/100 or 8%

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Let's say that the speed of the freight train is $x$ and the one of the passenger train is $3x$ .

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Following the same logic, $3x$ MPH means every hour the passenger train covers $3x$ miles, meaning after 3h it will have covered 3 times as much as well: $9x$ mi.

Now, having expressed those distances and speeds algebraically, we find the difference between the two distances covered after 3h, knowing it will be equal to 240:

$9x-3x=6x\\6x=240\\x=240/6\\x=40$

Knowing this, we can surely affirm that the freight train is travelling at 40MPH and the passenger train is travelling three times as fast, 120MPH.

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3 years ago

Sally rents a life jacket for a one-time fee of $5. She then rents a canoe for $15 per hour. Write an expression that represents

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Answer:

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Step-by-step explanation:

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Integral of 2sin(2x) is -cos(2x)
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= -cos(2*pi/2)-(-cos0)
= -cos pi + cos 0
= 1 + 1
= 2

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