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vekshin1
3 years ago
14

What is the value of x in the diagram below?

Mathematics
1 answer:
otez555 [7]3 years ago
8 0

The cosine of 30° is √3 / 2.

Since cosine is Adjacent over Hypotenuse, Hypotenuse = (2 / √3) * 9 = 18 / √3.

The cosine of 45° is √2 / 2.

Therefore, X = (2 / √2) * (18 / √3) = 36 / √6 = 18 / √1.5 = C

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Answer:

Step-by-step explanation:

 ∠E  = ∠B

6x - 39 = 3x

6x - 3x = 39

3x = 39

x = 39/3

x = 13

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Step-by-step explanation:


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3 years ago
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y = x2 - 6x - 8 Complete the square in the quadratic equation in order to write the equation in vertex form.
Airida [17]

Answer:

y = (x-3)^2 - 17

Step-by-step explanation:

To complete the square, take the middle term bx and divide it in two. Then take the square.

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Now to finish completing the square add 9 and subtract 9 from one side.

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a. 14, 18, 22, 26.... It is +4

b. 2,430, 7,290, 21,870..... It is x3

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8 0
4 years ago
Help please I really need help and thank you :))))​
77julia77 [94]

Answer:

14) x = 30°

15) x = 50°

Step-by-step explanation:

14) 60 + x = 90

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Hope this helps

3 0
2 years ago
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