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elena55 [62]
2 years ago
7

A tower that is 159 feet tall casts a shadow 172 feet long. Find the angle of elevation of the sun to the nearest degree

Mathematics
1 answer:
Sladkaya [172]2 years ago
4 0
Answer in image.

Knowledge point: Trigonometry - tangent concept

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In the example,-38+(-24)will be negative before finding the sum? ​
erastova [34]

Answer:

-62

Step-by-step explanation:

7 0
2 years ago
Someone pls help me :((((
Vanyuwa [196]

9.2  this is because

∠ A = tan^-1 ( 5 /12 )

∠ B = tan^ − 1 ( 12/ 5 )

4 0
3 years ago
I’m really struggling, someone please help!
Ulleksa [173]

Hi there! :)

Answer:

\huge\boxed{C.}

We can examine each answer choice individually:

A. 569 × 10² = 569 × (10 · 10) = 569 · 100 = 56,900. Therefore, this choice is incorrect.

B. 569 · 10 = 5,690. This choice is incorrect.

C. 10³ · 569 = (10 · 10 · 10) ·569 = 1000 · 569 = 569,000. This choice is correct.

D. 10² · 569 = (10 · 10) · 569 = 56,900. This choice is incorrect.

Therefore, the correct option is C.

6 0
2 years ago
Read 2 more answers
1. 36(a+b)^2 - 49(a-b(^2
Brums [2.3K]

Answer:

-13a^2 + 170ab - 13b^2.

Step-by-step explanation:

1.  36(a+b)^2 - 49(a-b)^2

This is the difference of 2 squares: a^2 - b^2 = (a + b)(a - b).

36(a+b)^2 - 49(a-b)^2

= (6(a + b) + 7(a - b))(  6(a + b) - 7(a - b))

= (6a  + 7a + 6b - 7b)( 6a - 7a + 6b + 7b)

= (13a - b)(-a + 13b)

If you require the expansion of this it is:

-13a^2 + 170ab - 13b^2.

8 0
3 years ago
How do I get this equation to equal 130 by putting parentheses in it...310-20÷2×5+13
elena-14-01-66 [18.8K]
The correct is 283 maybe
8 0
3 years ago
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