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Lera25 [3.4K]
3 years ago
11

A tree 4.7 m tall casts a shadow 8.2 m long. Calculate the angle of elevation of the sun.

Mathematics
1 answer:
EleoNora [17]3 years ago
3 0

Answer:

9.45

Step-by-step explanation:

A^2 + B^2 = C^2

4.7^2 + 8.2^2 = C^2

22.09 + 67.24 = C^2

89.33 = C^2

Square Root It

C = 9.45

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Teresa gave away 8 baseball cards and has 4 left. 8 plus 4 means she originally had 12. Right now she has 4 out of her original 12 cards remaining. This gives us 4/12. We can simplify this by dividing our greatest common factors. 4 goes into both parts of our fraction, when we divide each part by 4 we end up with 1/3. Since we are unable to simplify this problem any further, this means our solution and fraction is 4/12 aka 1/3.
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What is the volume of a sphere with a radius of 60.5 ft, rounded to the nearest tenth of a cubic foot?
alexandr1967 [171]
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7 0
2 years ago
One side of a rectangle is parallel to the x-axis. One vertex of the rectangle is located at (5,2) and another vertex at (1,4).
harina [27]

Answer:

(1,2) and (5,4)

Step-by-step explanation:

Hello There!

I had made a graph to make it easier to understand.

The points given to us are represented by the green points

The points that would make a rectangle with lines that are parallel with the x axis would be (1,2) and (5,4) (represented by the red points)

As you can see the points added had created a rectangle with sides that are parallel with the x axis

This meets all of the requirements therefore the other two vertices would have the points (1,2) and (5,4)

8 0
3 years ago
What is the measure of angle x ?
aniked [119]

Answer:

The correct answer is option 3.

50.8°

Step-by-step explanation:

Cos ∅ = Adjacent side/Hypotenuse

From the given figure we can see that it is a right angled triangle.

<u>To find the value of x</u>

Cos x =  Adjacent side/Hypotenuse

Adjacent side =4.3

Hypotenuse = 6.8

Cos x = 4.3/6.8 = 0.6323

x = cos⁻¹ (0.6323) = 50.77 ≈ 50.8°

Therefore the correct answer is third option.

50.8°

6 0
3 years ago
Read 2 more answers
Which expression represents “add 7 and a number n, then multiply 8 cubed!?”
Paraphin [41]

Answer:

A. Would be your answer

Step-by-step explanation:

7 plus a number n is 7+n, so B and D are already incorrect.

The phrase “and then multiply” suggests parenthesis be around the numbers/variables you would need to do first, so that excludes C.

Making A. your only answer left

Hope I helped!

3 0
3 years ago
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