Step-by-step explanation:
hope this helps, happy learning!!!
The answer to "12x-(4y+7z) for x=9 y= 4 and z = 2" is 78.
Answer: The shape is a rectangle. We know this because it has 4 corners and 4 sides. And it is a quadrilateral.
Step-by-step explanation:
Answer:
x= 2 and y= -1
Step-by-step explanation:
x=7 +5y
14+16y=−2
y=−1
Substitute y=-1y=−1 into x=7+5yx=7+5y.
x=2
Answer: 9 inches.
Do the pythagorean theorem to find your answer.
Formula: a^2 + b^2 = c2
12 = b
15 = c
a^2 + 12^2 = 15^2
Simplify the equation
a^2 + 144 = 225
Subtract 144 on both sides.
a^2 = 81
Square root of 81 is 9.