3 years ago

What is the value of X?

Mathematics

1 answer:

Deffense [45]3 years ago

4 0

These angles are vertical angles meaning that they are equal to each other. Here is the equation for this problem:

x + 40 = 3x

Combine like terms

(x-x) + 40 = 3x - x

40 = 2x

Isolate x

40/2 = 2x/2

x = 20

Hope this helped!

You might be interested in

Which is bigger 0.07 or 0.005?

VMariaS [17]

0.07 is the larger number out of the two

4 0

4 years ago

A 15ft. wire is tied to the top of a tree to provide support. If the wire forms a 25° angle with the ground, what is the height

lana [24]

Answer: $6.34\ ft$

Step-by-step explanation:

Given

The length of the wire is $l=15\ ft$

The Wire makes an angle of $25^{\circ}$ with horizontal

Suppose the height of the tree is h

From the figure, we can write

$\Rightarrow \sin 25^{\circ}=\dfrac{h}{l}\\\\\Rightarrow h=l\sin 25^{\circ}\\\Rightarrow h=15\sin 25^{\circ}\\\Rightarrow h=6.34\ ft$

Thus, the height of the tree is $6.34\ ft$

4 0

3 years ago

Camila leans a 18-foot ladder against a wall so that it forms an angle of 71 with the

BigorU [14]

Answer: 17.0

Step-by-step explanation:

According to the question the height is 18. sin 71 = 18x9455 = 17.019 = 17.0

8 0

2 years ago

What is the mean for this set of data?

oee [108]

The mean is 14

add all the numbers up and divide the sum by 6 because that’s how many numbers you’re adding together.

12+10+14+18+14+16
= 84

84/6 = 14

5 0

3 years ago

Mr. Stanton bought 121 feet of rope to repair a rope bridge. The ratio of the two pieces that he needs from the length he bought

shutvik [7]

The length of piece will be 44 and 77.

7 0

4 years ago