$-5x+y=-3 \ \ \ |\times 8 \\
3x-8y=24 \\ \\
-40x+8y=-24 \\
\underline{3x-8y=24 \ \ \ \ \ \ \ } \\
-40x+3x=24-24 \\
-37x=0 \ \ \ |\div (-37) \\
x=0 \\ \\
3x-8y=24 \\
3 \times 0 -8y=24 \\
-8y=24 \ \ \ |\div (-8) \\
y=-3 \\ \\
\boxed{(x,y)=(0,-3)}$

6 0

3 years ago

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Can someone tell me… Given the right triangle ABC, what is the value of tan(A)?

sergey [27]

Answer:

Step-by-step explanation:

tanA = $\frac{opposite}{adjacent}$ = $\frac{BC}{AC}$ = $\frac{24}{10}$ = $\frac{12}{5}$ → C

6 0

3 years ago

What is the simplest form of 2(4x+y)+3(x-6y)+x^2

kipiarov [429]

Answer:

8x+2y+3x-18y+x^2

final answer: x^2+11x-16y

*edited*

7 0

3 years ago

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