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dolphi86 [110]
2 years ago
9

Help me with this pls

Mathematics
2 answers:
vladimir2022 [97]2 years ago
8 0
90 counterclockwise hope I’m right
Maksim231197 [3]2 years ago
6 0
I think is B as well
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denis23 [38]
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Solve the following simultaneous equation using either the substitution method or the elimination method, showing all the necess
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Answer:

x=1\frac{83}{91}\\y=-2\frac{73}{91}

Step-by-step explanation:

#Using the method of substitution and replacement of unknown values.

Given that

\frac{3}{2}x+\frac{2}{3}y=1...(i)\\and\\\frac{1}{6}x-\frac{3}{5}y=2...(ii)\\

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Replacing for x in eqtn (i)

\frac{3}{2}(12+\frac{18}{5}y)+\frac{2}{3}y=1\\18+\frac{27}{5}y+\frac{2}{3}y=1\\18-1=-\frac{91}{15}y\\y=-2\frac{73}{91}

Substitute y value in eqtn(ii) to obtain x

Y=-2\frac{73}{91}\\\frac{1}{6}x-\frac{3}{5}y=2\\x=2+\frac{3}{5}(-2\frac{73}{91})\\x=1\frac{83}{91}

4 0
2 years ago
Wich equation best represents the relationship between x and y in the graph?
matrenka [14]

Answer:

sorry for wasting your time

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140=14x

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3 years ago
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