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Dmitriy789 [7]
2 years ago
15

Solve the system of equation using substitution. Show all of your work.

Mathematics
1 answer:
MrRa [10]2 years ago
5 0

Answer:

x = 3

y = 6

Step-by-step explanation:

2x = x + 9

x = 3

y = 2 * 3

y = 6 .    Hope this help teehee :D

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nevsk [136]

Answer:

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Step-by-step explanation:

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horsena [70]

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Step-by-step explanation:

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7 0
3 years ago
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Can somebody please help me figure this out?
Vera_Pavlovna [14]

Answer: You would put the 35° and the 4x+7° equal to each other.

Step-by-step explanation:

    1. 4x+7=35  

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           -7     -7

    3. 4x=28       -> Divide 4x and 28

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5 0
3 years ago
Which of the following is a characteristic of the circumcenter of a triangle? A. It is the center of the circle that can be insc
ki77a [65]
Answer is A. It is the center of the circle that can be inscribed in a given triangle
Explanation
The circumcenter is called ”the circumcenter” because it is the center of the circle that ”circumscribes” the triangle.
6 0
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There are 126 Year 7 pupils in a tennis club, out of a total of 168 pupils.
Ivenika [448]

Answer:

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divide 126 by 168 which equals 75% of year 7 pupils

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