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nlexa [21]
3 years ago
5

What is the solution to the system of equations. 2x+4y=12. Y=1/4x-3

Mathematics
1 answer:
larisa86 [58]3 years ago
5 0
2/7 not sure but that's what i got 
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What is the answer?
algol13
The answer to your question is -18
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Solve the right triangle ABC with right angle C, if B=30 degrees, and C = 10
iren2701 [21]

Answer:

The answer to your question is letter D

Step-by-step explanation:

We know that the sum of the internal angles in a triangle equals 180°.

So, B = 30°, C = 90° and A = ?

                      A + B + C = 180°

Substitution

                      A + 30 + 90 = 180

Solve for A

                     A = 180 - 30 - 90

                     A = 180 - 120

                    A = 60°

To find "b". use the trigonometric function sine

sin B = \frac{opposite side}{hypotenuse}

sin B x hypotenuse = Opposite side

Opposite side = sin 30 x 10

Opposite side = 0.5 x 10

Opposite side = b = 5.0                          

To find "a" use the trigonometric function cosine

Cos A = adjacent side / hypotenuse

Adjacent side = a = cos A x hypotenuse

Adjacent side = a = cos 60 x 10

                          a = 0.866 x 10

                         a = 8.66                      

8 0
3 years ago
Help!!!!!!!!<br> 5x^2 - 35x+50/x^2-x-20<br><br> also here is something cute.......... a munchkin cat
kotykmax [81]

Answer:

funny

Step-by-step explanation:

funny

3 0
2 years ago
Look back at Model it. How does substituting x + 2 for y in the second equation give you
Sidana [21]

Answer:

x + 2 is a number + 2.

Step-by-step explanation:

in algebra, this could basically say anything plus 2 is<em> y</em>.

Let's say x is 2.

2 + 2 = 4

hope it helps!

4 0
2 years ago
What is the lcm of 590 and 4890?
eimsori [14]

Answer:

288,510

Step-by-step explanation:

3 0
2 years ago
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