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Marizza181 [45]
3 years ago
10

3. A 42 ft tall tree casts a 15 ft shadow, what is the angle of elevation to the sun?

Mathematics
1 answer:
Leokris [45]3 years ago
8 0

Answer:

19.64°

Step-by-step explanation:

The angle of elevation can be calculated as follows

Tan ©= 15/42

= 0.357

= tan-1 0.357

= 19.64°

Hence the angle of elevation is 19.64°

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Answer:

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3 years ago
A cylindrical cake with a height of 5 inches has a 30 degree slice removed. If the volume of the removed slice is 40 inches what
sesenic [268]

Answer: 5.52\ in.

Step-by-step explanation:

Given

Height of cylindrical cake is h=5\ in.

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Volume of the slice is V=40\ in.^3

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Volume of slice will be multiplication of area and height

\Rightarrow V=A\times h\\\\\Rightarrow 40=\dfrac{\pi r^2}{12}\times 5\\\\\Rightarrow \pi r^2=\dfrac{40\times 12}{5}\\\\\Rightarrow r^2=\dfrac{40\times 12}{3.142\times 5}\\\\\Rightarrow r^2=30.55\\\Rightarrow r=5.52\ in.

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4 0
3 years ago
Translate this sentence into an equation.
Katarina [22]

Answer:

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Step-by-step explanation:

6 0
4 years ago
Lauren's house is 30 feet wide. its length is 2 1/2 times its width. how long is lauren's house?
galina1969 [7]
You are trying to solve the length of the house. Let x equal the length of the house. The length of the house is 2 1/2, or 2.5 times its width. The width of the house is 30 feet.

Your equation should look like this:
x = 30(2.5)

Mutiply 30 ft. times 2.5 to get 750 ft.

x = 750 ft.

Don't forget to use your unit of measurement in the answer! You are working in feet.
7 0
4 years ago
Read 2 more answers
Steph says that the numbers 38 and 40 are relatively
nikdorinn [45]

Answer:

That's true because they can be different numbers but they are both even.

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