3 years ago

A. (2, -1) B. (2, 1) C. (-1, 2) D. No solution

1 answer:

3 0

If you are finding the y-intercept of the values, it would be D no solution because the slopes are the same. Since the lines are parallel, there would not be a solution.

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How do you use the half angle formula for sin (5π/12)?

Mkey [24]

The half angle formula is:
sin x/2 = +/- √ (( 1-cos x ) / 2 )
5π/12 = 5π/6 : 2
sin 5π/12 = +/- √(( 1 - cos ( 5π/6)) / 2 )
cos 5π/6 = cos 150° = -√3/2
$sin (5 \pi /12) = \sqrt{ \frac{1+ \sqrt{3}/2 }{2} } = \\ =\sqrt{ \frac{2+ \sqrt{3} }{4} } = \\ = \frac{ \sqrt{2+ \sqrt{3} } }{2} =$
≈ 0.966 ( this is sin 5π/12 )

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4 years ago

Be quick! i will mark the correct one brainliest :)

Inessa [10]

Whats the queastion think

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3 years ago

Read 2 more answers

Pleas help with the khan academy question

Alja [10]

Answer:

1. 10

2. 4

3. 8

Step-by-step explanation:

You have to fill in the given values for y and undo in reverse order to find x.

1. y = 6

6 = x - 4

6 (+ 4) = x - 4 (+ 4)

10 = x

2. y = 0

0 = x - 4

0 (+ 4 ) = x - 4 (+ 4)

4 = x

3. y = 4

4 = x - 4

4 (+ 4) = x - 4 (+ 4)

8 = x

I hope this helps! Have a lovely day!! :)

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3 years ago

Write down a multiple of 4 between 29 and 37 ?

Sauron [17]

Answer:

8 or 9

Step-by-step explanation:

4 times 8 equals 32, and 4 times 9 equals 36

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3 years ago

Marguerite is selling space in an advertising book for a community fund raising event. Each 1/4 page in the book costs $15.50. W

Vanyuwa [196]

It would be 46.50 dollars

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3 years ago