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Vlada [557]
3 years ago
11

Amanda and jamie are standing 25 feet apart and spot a bird in the sky between them the angle of elevation from Amanda is 25 fee

t apart and spot a bird in the sky between them the angle of elevation from Amanda to the bird is 55 and from Jamie to the bird is 63 how far away is the bird from Amanda

Mathematics
1 answer:
finlep [7]3 years ago
4 0

Answer:

25.2294 feet

Step-by-step explanation:

We can solve this question drawing a triangle using the values given and then using the law of sines. (See image attached to know how to draw the triangle and use the values).

First we need to find the third angle of the triangle, that is, the angle in the vertix where the bird is:

y + 55 + 63 = 180

y = 62°

The relation between the angles and the distances are:

25 / sin(y) = x / sin(63)

25 / 0.8829 = x / 0.8910

x = 25 * 0.8910 / 0.8829 = 25.2294 feet

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wolverine [178]

Answer:c

Step-by-step explanation:

The area of parallelogram A is;

Area = 312²

A = bh = 13 · 24 = 312

The area of parallelogram B is;

Area = 195²

A = bh = 15 · 13 = 195

The area of parallelogram B is;

Area = 384²

A = bh = 24 · 16 = 384

4 0
1 year ago
I thought of a number, I added 1 3 4 to it, then I multiplied the result by 2 2 11 and I got 8. What was my number?
Valentin [98]

Given:

In a number, adding 1\dfrac{3}{4}, then multiplying the result by 2\dfrac{2}{11} we get 8.

To find:

The unknown number.

Solution:

Let the unknown number be x.

According to the question,

(x+1\dfrac{3}{4})\times 2\dfrac{2}{11}=8

(x+\dfrac{1\times 4+3}{4})\times \dfrac{2\times 11+2}{11}=8

(x+\dfrac{4+3}{4})\times \dfrac{22+2}{11}=8

(x+\dfrac{7}{4})\times \dfrac{24}{11}=8

Multiply both sides by \dfrac{11}{24}.

x+\dfrac{7}{4}=8\times \dfrac{11}{24}

x+\dfrac{7}{4}=\dfrac{11}{3}

Subtract \dfrac{7}{4} from both sides.

x=\dfrac{11}{3}-\dfrac{7}{4}

x=\dfrac{44-21}{12}

x=\dfrac{23}{12}

x=1\dfrac{11}{12}

Therefore, the required number is 1\dfrac{11}{12}.

3 0
3 years ago
Drake buys a ring that costs $8,000, which depreciates at a rate of 9.5% per year.
Alex73 [517]

Answer:

$1129.93

Step-by-step explanation:

100 - 9.5 = 90.5

8000 - 90.5 = 7909.5

7909.5 ÷ 7 = 1129.93

i hope this helps

4 0
2 years ago
Find the area of each polygon​
sweet [91]

Answer:

5 in^2

Step-by-step explanation:

Area of square: 2*2=4

Area of triangle: 2*1/2=1

4+1=5

4 0
3 years ago
X-5=11-3x solve for x
defon

Answer:

4

Step-by-step explanation:

x-5=11-3x

+5 +5

x=16-3x

+3x +3x

4x=16

--- ----

4 4

//x= 4//

// have a great day //

6 0
3 years ago
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