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cluponka [151]
3 years ago
8

How do i solve for y and x?

Mathematics
2 answers:
yawa3891 [41]3 years ago
6 0
Use the 30-60-90 rule

X= 18 and y=6sqrt3
Akimi4 [234]3 years ago
4 0

Answer:

You use the facts about a 30, 60, 90 triangle.

Step-by-step explanation:

The angles in a triangle add up to 180.

90+30+x=180

120+x=180

x=60

This is a 30-60-90 right triangle.

The side opposite the 30 degree angle is a.

The side opposite the 90 degree angle (hypotenuse) is 2a.

The side opposite the 60 degree angle is a\sqrt{3}

We know the side opposite the 90 degree angle.

2a = 12\sqrt{3}

Divide by 2.

a=6\sqrt{3}

a is the side opposite the 30 degree angle (y)

Because we know a, we can find a\sqrt{3}.

6\sqrt{3 } (\sqrt{3})

The square roots cancel, leaving 3.

6 times 3 is 18.

Therefore, the side opposite the 60 degree angle (x) is 18.

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8 0
3 years ago
Solve 8X-3 = -19 + 6x*<br> 0<br> Your answer
madreJ [45]

Step-by-step explanation:

8x - 3 = - 19 + 6x

8x - 6x = - 19 + 3

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4 0
3 years ago
Find the missing angle and classify the triangle below.
sergij07 [2.7K]

Answer:

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Read 2 more answers
An Ap is such that 5 th term is three times the 2nd term.given further that the sum of the 5th,6th,7th,8th term is240,calculate
Fiesta28 [93]

Answer:

  5

Step-by-step explanation:

The general term of an arithmetic progression is ...

  an = a1 +d(n -1)

where a1 is the first term and d is the common difference.

Here we are given that ...

  a5 = 3×a2

  a5 +a6 +a7 +a8 = 240

__

In terms of a1 and d, these tell us ...

  a1 +d(5 -1) = 3(a1 +d(2 -1))

  a1 +4d = 3a1 +3d . . . . . eliminate parentheses

  d = 2a1 . . . . . . . . . . . subtract a1+3d

and ...

  (a1 +4d) +(a1 +5d) +(a1 +6d) +(a1 +7d) = 240

  4a1 +22d = 240

Substituting for d, we have ...

  4a1 +22(2a1) = 240

  48a1 = 240

  a1 = 240/48 = 5

The first term is 5.

8 0
3 years ago
Please help numbers 1 through 5.
ser-zykov [4K]

Answer:

i can't see

Step-by-step explanation:

4 0
3 years ago
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