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Temka [501]
3 years ago
10

Hannah runs down the street to catch her bus. She runs for a total of 12 seconds. On the sidewalk, she runs 16 feet per second.

When she crosses the street, she runs 3 feet per second. Hannah runs a total distance of 127 feet.
Mathematics
1 answer:
polet [3.4K]3 years ago
6 0

what's the rest of the Questions

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Nope, the answer is three. Mean means the average of all the numbers. So all you have to do is to add the numbers up and divide the the amount of numbers with your sum.
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Moritz bought an ottoman that is cube shaped with side lengths of 2 feet. Its lid is removable for storing blankets and pillows.
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5. If y= x+ 5 is an equation representing a line on a graph,<br> what is the slope (m)?<br> m<br> =
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Answer:

m = x

Step-by-step explanation:

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7 0
3 years ago
Solve the equation sin2x = 3cos2x. The value of x that satisfies the equation if x lies in the second quadrant is °. The value o
faltersainse [42]

Answer:

126\degree

and

126\degree

respectively.

Step-by-step explanation:

The given trigonometric equation is

\sin2x=3\cos2x


We divide both sides by \cos2x to get,

\frac{\sin2x}{\cos2x}=3


This implies that,

\tan2x=3


We take the inverse tangent of both sides to get,


2x=\tan^{-1}(3)


\Rightarrow 2x=71.565


\Rightarrow x=35.7825

\Rightarrow x\approx 36\degree


Since the tangent ratio has a period of 180\degree, another solution is


x=180+36


x=216\degree to the nearest degree.


In the third quadrant,


2x=180+71.565


\Rightarrow 2x=251.565

\Rightarrow x=125.7825

\Rightarrow x=126\degree


The solutions are

x=36\degree,126\degree,216\degree


The value of x that satisfies the equation if x lies in the second quadrant is 126\degree


The value of x that satisfies the equation if x lies in the third quadrant is216\degree



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Lunna [17]
The answer is 31 cm
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