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melisa1 [442]
3 years ago
15

Simplify. Show your work.

Mathematics
1 answer:
alex41 [277]3 years ago
8 0
1 5/6 is the correct answer.
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Question 24 Multiple Choice Worth 1 points)
hammer [34]

Given:

The system of equations is:

Line A: y=x-4

Line B: y=3x+4

To find:

The solution of given system of equations.

Solution:

We have,

y=x-4              ...(i)

y=3x+4           ...(ii)

Equating (i) and (ii), we get

x-4=3x+4

-4-4=3x-x

-8=2x

Divide both sides by 2.

-4=x

Substituting x=-4 in (i), we get

y=-4-4

y=-8

The solution of system of equations is (-4,-8).

Now verify the solution by substituting x=-4, y=-8 in the given equations.

-8=-4-4

-8=-8

This statement is true.

Similarly,

-8=3(-4)+4

-8=-12+4

-8=-8

This statement is also true.

Therefore, (-4,-8) is a solution of the given system of equations, because the point satisfies both equations. Hence, the correct option is C.

8 0
2 years ago
Daniel created an intersection with his race track. One of the angles at the intersection is 55°. What are the three other angle
melomori [17]

Answer:

55, 125 and 125

Step-by-step explanation:

In this question, we are asked to find the other 3 angles in an intersection.

Please check attachment for what the diagram of the intersection might look like.

The intersection consists simply of 4 angles meeting at a point with the 2 angles on each side vertically opposite to the angles on the other side.

since one of the angles is 55, and we are having a straight line, the other angle would be 180-55 = 125.[ sum of angles on a straight line is 180]

These two angles are vertically opposite, this means that the other three angles are 55,125 and 125.

3 0
3 years ago
15. Ordered: gr. viiss<br> Label: 30% solution<br> How many ml do you use?
Shkiper50 [21]

Answer:

k

Step-by-step explanation:k

k

5 0
2 years ago
What is the measure of L?<br> A. 25°<br> B. Cannot be determined<br> C. 39<br> D. 32°
ElenaW [278]

Answer:

A. 25°

Step-by-step explanation:

25° is really the only logical answer.

8 0
3 years ago
Is 7x+14 equivalent to 7(1+x)?
morpeh [17]
No that’s equivalent to 7 + 7x
3 0
3 years ago
Read 2 more answers
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