makaileep1623
18.09.2021 •
Mathematics
Suppose you have a subtraction expression. Explain how you could use the commutative property to create
an equivalent expression where the order of the two numbers is reversed. Give a numerical example as part
of your explanation.
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Ответ:
y = -4
Step-by-step explanation:
The equation for inverse variation is
xy = k where k is a constant
x=-2 and y = -8 so we can find k
-2 * -8 = k
16 = k
The equation is xy = 16
Know we want to find y when x = -4
-4 *y =16
Divide each side by -4
-4y /-4 = 16/-4
y = -4