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mafiozo [28]
4 years ago
7

What is the value of x?Enter your answer in the box.x=​

Mathematics
1 answer:
Lina20 [59]4 years ago
3 0

Answer:

x = 8

Step-by-step explanation:

This is an equilateral triangle, so we know that the angles are all equal too.

That means each angle is 60 degrees (b/c 60 * 3 = 180)

7x + 4 = 60

7x = 56

x = 8

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Which of the following points would be on the graph of the equation y=4x+6
o-na [289]
Some of the possible points using this equation are...
(2,14)
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5 0
3 years ago
A ship at sea, the Gladstone, spots two other ships, the Norman and the Voyager, and measures the angle between them to be 48°.
ratelena [41]

Answer:

=3501 yards.

Step-by-step explanation:

The three ships form a triangle.  From the Voyager the angle between the Norman and the Gladstone=180-(55+48)=77°

Let the position of the Voyager be V that of Norman be N and that of the Gladstone be G

Then, the distance between Norman and voyager is g

g/sin G=v/ Sin V

4590/Sin 77=g/Sin 48

g=(4590 Sin 48)/Sin 77

=3500.8 yards

The distance between the Norman and the voyager= 3501 yards.

3 0
3 years ago
Erin is buying a tv with an original price of 650. She receives a 20% discount. How much will Erin pay, before tax, for the TV
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Answer:

$520

Step-by-step explanation:

20%

=0.2

0.2*650

=130

650-130

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3 years ago
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A right triangle in which one acute angle is a reference angle for a 115 degree angle in standard position intersects the unit c
Ratling [72]

Answer:

\cos (115\degree)=-0.423

Step-by-step explanation:

The parametric equations of a circle is

x=r\cos \theta and y=r\sin \theta

The radius of the unit circle is 1 unit.

This implies that any point on the unit circle is represented by:

x=\cos \theta and y=\sin \theta

where \theta is the angle in standard position,

From the question, the given angle in standard position is 115\degree.

This angle intersects the unit circle at x=-0.423

But x=\cos \theta

We substitute \theta=115\degree and x=-0.423

This implies that: \cos (115\degree)=-0.423

6 0
3 years ago
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