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mars1129 [50]
2 years ago
6

Need Help ASAP Will Mark Brainliest

Mathematics
1 answer:
Genrish500 [490]2 years ago
6 0
I believe the last one
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(1,-4) x-2y=8<br> 4x-y=8
deff fn [24]

Answer:

False solution; [1⅐, -3 3⁄7]

Step-by-step explanation:

{x - 2y = 8

{4x - y = 8

-¼[4x - y = 8]

{x - 2y = 8

{-x + ¼y = -2 >> New Equation

____________

-1¾y = 6

y = -3 3⁄7 [Plug this back into both equations to get the x-coordinate of 1⅐]; 1⅐ = x

I am joyous to assist you anytime.

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3 years ago
Please Answer This Idk It 15 Points
hammer [34]

Answer: The answer is D

Step-by-step explanation:

Each point on the house was divided by 2.

3 0
3 years ago
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I need help with problem 19
Vsevolod [243]

Answer:

124

Step-by-step explanation:

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Ishaan is 3 times as old as Christopher and is also 14 years older then Christopher. How old is ishaan?
rosijanka [135]
I=Ishaan
C=Christopher
I/3=C
I-14=C
Substitute
I/3=I-14
I=3I-42
-2I=-42
Ishann = 21
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3 years ago
A rectangle floor is 7 yards long and 4 yards wide. what is the area of the floor in square feet?
timofeeve [1]
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