3 years ago

Help for brainliest plz

Mathematics

1 answer:

tamaranim1 [39]3 years ago

4 0

Answer:

marke me as brainly please

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Given the system of equations, what is the solution?<br><br> x + 2y = 7<br> x - 2y = -1

Reika [66]

Add the 2 equations to eliminate the 2y. We get

2x = 6

x = 3

Plug x = 3 into the first equation:-

3 + 2y = 7
2y = 7 - 3 = 4

y = 2

Answer is x = 3 and y = 2

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Step-by-step explanation:

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Your answer is 48 minutes because you divide 6.72 by 0.14

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3 years ago

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Yuliya22 [10]

Answer:I would add 3x on both sides because it would allow you to have a positive variable saving you time and effort.

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3 years ago

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∆ABC is isosceles, AB = BC, and CH is an altitude. How long is AC, if CH = 84 cm and m∠HBC = m∠BAC +m∠BCH?

son4ous [18]

I think I could help you
Have fun and feel free to ask me something new.
Or we can prove some properities without calculating by details

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2 years ago