3 years ago

If a person walks 1/2 mile in each 1/4 hour,compute the unit rate as the complex fraction 1/2÷1/4 mile per hour

Mathematics

2 answers:

eduard3 years ago

8 0

Keep change flip:
1 1 1
- X - = -
2 4 8

Naily [24]3 years ago

4 0

1\2x4/1=4/2=2 that is the answer

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Sedaia [141]

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3 years ago

Solve on the interval [0,2pi): 2cscx+5=1

pantera1 [17]

$x\in[0,\ 2\pi)\\\\2\csc x+5=1\ \ \ \ |-5\\\\2\csc x=-4\ \ \ \ |:2\\\\\csc x=-2\\\\\dfrac{1}{\sin x}=-2\to\sin x=-\dfrac{1}{2}\to x=-\dfrac{\pi}{6}+2k\pi\ \vee\ x=\dfrac{7\pi}{6}+2k\pi\\\\x\in[0,\ 2\pi)\to x=-\dfrac{\pi}{6}+2\pi=\dfrac{11\pi}{6}\ \vee\ x=\dfrac{7\pi}{6}\\\\Answer:\ \boxed{D.\ \dfrac{7\pi}{6},\ \dfrac{11\pi}{6}}}$