Answer:
the square of the length of the hypotenuse equals the sum of the squares of the lengths of the other two sides.
Answer:
x=-2, y=-6
Step-by-step explanation:
Simple substitution.
Since y is isolated in one of the equations already, you can plug it into the second equation.
x - 2(3x) = 10
x - 6x = 10
-5x = 10
x = -2
Sub. x = -2 into 3x = y:
3(-2) = y
y = -6
Answer: 19
Step-by-step explanation:
Answer: (-1, -5)
Step-by-step explanation:
Answer:
9
Step-by-step explanation:
9 times 4 is 36 and 9 times 1 is 9
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