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lys-0071 [83]
3 years ago
6

Find the angle of x and y

Mathematics
1 answer:
kow [346]3 years ago
4 0
It is always a 90 degree angle when your dealing with right angles.
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Find the Length of AC. Round answers to the nearest hundredth (2 decimal places)
lara31 [8.8K]

Answer:

32.78

Step-by-step explanation:

Assuming that we have two right triangles joined together, with one having adjacent side a, with a side of 12 ft opposite reference angle 30°, and the other one having adjacent side b, with a side of 12 ft opposite reference angle 45°. Thus, a + b = length of AC.

Let's find a and b.

Finding a:

Reference angle = 30°

Opp = 12 ft

Adj = a

Using trigonometric ratio formula, we have:

tan(30) = 12/a

Multiply both sides by a

a*tan(30) = 12

Divide both sides by tan(30)

a = 12/tan(30)

a = 20.78 (nearest hundredth)

Finding b:

Reference angle = 45°

Opp = 12 ft

Adj = b

Using trigonometric ratio formula, we have:

tan(45) = 12/b

Multiply both sides by a

b*tan(45) = 12

Divide both sides by tan(45)

b = 12/tan(45)

a = 12

Length of AC = 20.78 + 12 = 32.78

5 0
3 years ago
What is the value of x in the equation 3x4y=65, when y=4
bixtya [17]

Answer:

The value of x if the equation is

3x + 4y=65

  x = 49/3 or 16.3

&

3x - 4y=65

   x= 27

5 0
3 years ago
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klasskru [66]
It’s C one while if her assignment
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2 years ago
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trans.phobic, homo.phobic, white and thinks you can be rac.ist to white people, also says the r sl.ur what else can you do wrong
almond37 [142]

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Given |u| = 2.5, |v| = 3.2, and the angle between the vectors is 60°, find the value of u · v?
Alenkasestr [34]

Step-by-step explanation:

u.v=|u||v|cos60°

u.v=(2.5)(3.2)(1/2)

u.v=(8)(1/2)

u.v=4

4 0
3 years ago
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