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scoundrel [369]
3 years ago
10

PLEASE HELLPPPP!!! FAST!!!

Mathematics
2 answers:
dmitriy555 [2]3 years ago
6 0
12 divided by sin(60) equals to 8square root 3
Archy [21]3 years ago
5 0

Answer:

8\sqrt{3}

Step-by-step explanation:

Using the sine ratio in the right triangle and

sin60° = \frac{\sqrt{3} }{2}

sin60° = \frac{opposite}{hypotenuse} = \frac{12}{y}

Multiply both sides by y

y × sin60° = 12, that is

y × \frac{\sqrt{3} }{2} = 12 ← multiply both sides by 2

y × \sqrt{3} = 24 ( divide both sides by \sqrt{3})

y = \frac{24}{\sqrt{3} }

  = \frac{24}{\sqrt{3} } × \frac{\sqrt{3} }{\sqrt{3} }

  = \frac{24\sqrt{3} }{3} = 8\sqrt{3}

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find two positive even consecutive integers such that a square of the smaller integer is 10 more than the larger integer
nalin [4]

Answer:

the two positive consecutive integers are 4 and 6.

Step-by-step explanation:

Let the smaller integer be s; then s^2 = (s + 2) + 10.

Simplifying, s^2 - s - 2 - 10 = 0, or

s^2 - s - 12 = 0.

Solve this by factoring:  (s - 4)(s + 3) = 0.

Then s = 4 and s = -3.

If the first even integer is 4, the next is 6.  We omit s = -3 because it's not even.

The smaller integer is 4.  Does this satisfy the equation s^2 = (s + 2) + 10?

4^2 = (4 + 2) + 10  True or False?

16 = 6 + 10 = 16.

True.

So the two positive consecutive integers are 4 and 6.

6 0
3 years ago
8.)What is the Measurement of angle 2?<br><br> 9.) What is the measure of angle 7?
EastWind [94]

Answer:

angle 2 = 90° {corresponding angles}

angle 7 + angle 5 = 180° {linear pair}

or, angle 7 + 100° = 180° {angle 5 is corresponding to 100°}

so, angle 7 = 80°

8 0
2 years ago
Marshall is buying snacks for a party. He spent$4727 on the snacks. If the sales tax rate is 6%, what was Marshall’s total bill?
riadik2000 [5.3K]
Her total bill was $18.09
7 0
3 years ago
Read 2 more answers
Find the equation of a line parallel to x = 7 and passing through the point (2, -5)
photoshop1234 [79]
The answer is:  " x = 2 " .
____________________________________
5 0
3 years ago
Mike is giving roses to some children at a carnival. He has 7 red roses, 8 yellow roses, and 9 white roses. If Mike selects a ro
Kaylis [27]
7 red, 8 yellow, 9 white......total = 24 roses

probability first pick is white : 9/24 
probability second pick is yellow : 8/23

probability of both : 9/24 * 8/23 = 72/552 reduces  3/23 <====
7 0
4 years ago
Read 2 more answers
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