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yulyashka [42]
3 years ago
15

PLEASE HELP ASAP! ONLY TRUE ANSWERS!

Mathematics
1 answer:
Liula [17]3 years ago
4 0
What is the height of the problem? I can answer it with the height
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At the base of a pyramid, a surveyor determines that the angle of elevation to the top is °. At a point meters from the base, th
riadik2000 [5.3K]

Answer:

\frac{(\sin 18^\circ)}{75} = \frac{(\sin 35^\circ)}{x}

Step-by-step explanation:

Incomplete question:

<em></em>\angle CBD = 53^\circ<em></em>

<em></em>\angle CAB = 35^\circ<em></em>

<em></em>AB = 75<em></em>

<em></em>

<em>See attachment for complete question</em>

Required

Determine the equation to find x

First, is to complete the angles of the triangle (ABC and ACB)

\angle ABC + \angle CBD = 180 --- angle on a straight line

\angle ABC + 53= 180

Collect like terms

\angle ABC =- 53+ 180

\angle ABC =127^\circ

\angle ABC + \angle ACB + \angle CAB = 180 --- angles in a triangle

\angle ACB + 127 + 35 = 180

Collect like terms

\angle ACB =- 127 - 35 + 180

\angle ACB =18

Apply sine rule

\frac{\sin A}{a} = \frac{\sin B}{b}

In this case:

\frac{\sin ACB}{AB} = \frac{\sin CAB}{x}

This gives:

\frac{(\sin 18^\circ)}{75} = \frac{(\sin 35^\circ)}{x}

4 0
3 years ago
Read 2 more answers
Simplify the following expressions.<br> 8x + 6y + 5x + 4y
Ne4ueva [31]

Answer:

68y

Step-by-step explanation:

8 0
3 years ago
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PLZ HURRY IT'S URGENT!!
Dahasolnce [82]

Answer:

1/2.

Step-by-step explanation:

10m = 5n

m = 5n/10

m = n/2

m/n = n/2 * 1/n

m/n = 1/2.

5 0
4 years ago
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Find the area of a square with side = 6 cm.
myrzilka [38]

Answer:

isn't it 36cm^2

Step-by-step explanation:

sqaure is even so i think you do 6×6

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3 years ago
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olga2289 [7]
If the amount she saved was $6 for 20%, then the formula for finding savings would be cost*percentage.
But if you want to find the original cost, then you play with the current formula until you get this. $6/20%. Have a good one :)
5 0
3 years ago
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