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lisov135 [29]
3 years ago
13

Eunice and Belinda weighs 267 pound 6 ounces. Eunice and Laura weighs 223 pounds and 8 ounces. Laura weighs 136 pounds and 11 ou

nces. How much does Belinda weigh?
Mathematics
1 answer:
Ad libitum [116K]3 years ago
5 0

Answer:

180  9/16 lb

Step-by-step explanation:

Let the weights of the three girls be E, B and L.

Note that E + L = 223  8/16 lb, so subtracting L from both sides, that is, subtracting 136  11/16 lb from both sides, results in:

                E = 223  8/16 lb  -  136  11/16 lb  =  86  13/16 lb

Thus, E's weight is 86  13/16 lb,

          B's weight is 267  6/16 lb  -  86  13/16 lb = 180  9/16 lb

          L's weight is 136 11/16 lb.

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Which angle forms a y-coordinate on a unit circle of /~3/2 (square root of 3 over 2)
mixer [17]

Answer:

\theta=60\degree

Or

\theta=\frac{\pi}{3}


Step-by-step explanation:

We want to find the angle which forms a y-coordinate of \frac{\sqrt{3} }{2}

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The y-coordinate on the unit circle is given by \sin(\theta).


This implies that  \sin(\theta)=\frac{\sqrt{3} }{2}


\Rightarrow \theta=\sin^{-1}(\frac{\sqrt{3} }{2})


\Rightarrow \theta=\sin^{-1}(\frac{\sqrt{3} }{2})


\Rightarrow \theta=60\degree

Or

\theta=\frac{\pi}{3}



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Answer:

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Emily is itemizing deductions on her federal income tax return and had $5200. Her AGI was $43,000.

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8 0
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