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prisoha [69]
3 years ago
11

A building that is 90 feet tall cast a shadow 30 feet long what is the angle of elevation of the sun

Mathematics
1 answer:
shusha [124]3 years ago
8 0

Answer: 10%

decimal form: 0.1

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Which of the following is not a characteristic of non-Euclidean geometry? A. Space is saddle-curved. B. The sum of the angles in
Elodia [21]
I think it's B. The sum of angles in a triangle is always 180 degrees. 
4 0
4 years ago
Please Help ASAP and Explain Please :)
olga2289 [7]
The answer is C.  The 4th period class should get the reward.  Though the medians are the same, the first and third quartiles are higher, so the students did better on average than in the 2nd period class.
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4 years ago
Use a map to plan a trip in the United States.Find the number of miles between your current location and your destination, and d
ElenaW [278]

Answer:

292.5 miles per day

Step-by-step explanation:

The map shows it is 1170 miles from my school to Wall, South Dakota, a place well-advertised in the Midwest. If I want to take 4 days to get there, the required division is ...

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6 0
3 years ago
Need help with this continuity problem.
ira [324]

In order to be continuous everywhere, we only need to satisfy continuity at x=10. For that to happen, we need to have

\displaystyle\lim_{x\to10^-}f(x)=\lim_{x\to10^+}f(x)=f(10)

By the function's definition, f(10)=2(10)-2=18. Compute the limits:

\displaystyle\lim_{x\to10^-}f(x)=\lim_{x\to10}2x-2=18

\displaystyle\lim_{x\to10^+}f(x)=\lim_{x\to10}-8x+b=-80+b

So we must have

18=b-80\implies b=98

3 0
3 years ago
Belinda finds a CD with 2.8% APR compounded annually. How much money will Belinda invest in this CD if she wants to have a yearl
Valentin [98]
Belinda will need to use the simple compounding formula to get the yearly income of $3500. 
Present amount = Future amount /(1+interest)^payments
where
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interest = 2.8%
payments = 1
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Present amount of CD = $34,046.7


7 0
3 years ago
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