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iren [92.7K]
3 years ago
13

Find the value of x in the figure below

Mathematics
1 answer:
AlexFokin [52]3 years ago
6 0

Answer:

x = 29

Step-by-step explanation:

I think this because they give you 78 degrees. The angle across from it (3x - 9) must equal 78 degrees as well. So solve as (3x - 9) = 78. 78 + 9 is 87. 87 divided by 3 is 29.

Hope it helps and is correct!

You might be interested in
Help i need clean and clear answers<br> thanks
Phoenix [80]
-6x+8 I thinkz thtats the correct answer
8 0
4 years ago
What number is 24% of 80
jonny [76]
Hi

24% of 80 is 19.2

100% ⇒ 80
24% ⇒ x 

100x = 24·(80)
100x = 1920
x = 1920/100
x = 19.2


3 0
3 years ago
A windstorm Knocks a pole over, forming a slight angle with the ground. The pool is 18 m tall, and the top of the pool is now 15
ivolga24 [154]

Answer:

Step-by-step explanation:

Looking at the scenario, a right angle triangle is formed.

The length of the pole represents the hypotenuse of the right angle triangle.

The distance from the top of the pole to the ground represents the opposite side of the right angle triangle.

To determine the angle formed by the pole and the ground, we would apply we would apply the Sine trigonometric ratio.

Sin θ = opposite side/hypotenuse. Therefore,

Sin θ = 15/18 = 0.833

θ = Sin^-1(0.833)

θ = 56.4°

5 0
4 years ago
Zachary is 1 year older than his sister, Nicole. Jaycob is
shtirl [24]

Answer:

Zachary is 9, Nicole is 8, and Jaycob is 27.

Step-by-step explanation:

x=Zachary

y=Nicole

z=Jaycob

x+y+z=44

x*3=z

x-1=y

However, for now, let's just assume that  x and y are actually the same, and that the answer is actually 45.

so, x*3=z, and y*3 also equals z.

This is so that technically, 45/5=x, because z accounts for 3, and both x and y account for 1 each, meaning altogether it should be 5 you should be dividing by. 45/5=9, so x=9. Now that we have that figured out, we can solve the rest easily. 9-1=8, so there's your y, and 9*3=27. 27+9=36, and 36+8=44.

8 0
4 years ago
What is the solution to this equation?
beks73 [17]

Answer:

x = - \frac{1}{2}

Step-by-step explanation:

Given

4x - 6 = 10x - 3 ( subtract 10x from both sides )

- 6x - 6 = - 3 ( add 6 to both sides )

- 6x = 3 ( divide both sides by - 6 )

x = \frac{3}{-6} = - \frac{1}{2}

6 0
3 years ago
Read 2 more answers
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