4 years ago

Plz help me plzzzzzzz

Mathematics

1 answer:

alina1380 [7]4 years ago

8 0

Answer:

The answer is 1.4

Step-by-step explanation:

This is the right answer your not the only one with this question

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What is the solution of the system of equations? 3x + 6y = –2 15x + 30y = –10

cestrela7 [59]

3x + 6y = -2......multiply by -5
15x + 30y = -10
--------------------
-15x - 30y = 10 (result of multiplying by -5)
15x + 30y = -10
--------------------add
0 = 0

there are infinitely many solutions

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Step-by-step explanation:

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We have been given that a right △ABC is inscribed in circle k(O, r).

m∠C = 90°, AC = 18 cm, m∠B = 30°. We are asked to find the radius of the circle.

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We can see from the attached file that AB is diameter of circle O and it a hypotenuse of triangle ABC.

We will use sine to find side AB.

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$AB=\frac{18}{0.5}$

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