Answer:
Step-by-step explanation:
plug y into the first equation:
8x+5y=24
8x+5(-4x)=24
8x-20x=24
-12x=24
x=-24/12
x=-2
then plug x to the second equation
y=-4
y=-4(-2)
y=8
x=-2
y=8
Answer:
h = 3*tan(62) where h is the height
Step-by-step explanation:
You basically have a right triangle. the standing man is the vertical line, the shadow is the horizontal line and the 62 degrees is the angle betweenthe horizontal line and the hypotenuse.
So, relative to the angle we have the adjacent angle and opposite. What uses those? Tangent. tan(x) = opp / adj
tan(62) = h/3
h = 3*tan(62) where h is the height
Answer:
Quick Market
Step-by-step explanation:
You need to set up the problem in fraction form or 3/1.05 and 5/1.15
Then you need for the numbers to have the same denominator.
After doing that the fraction would look like 114/39.9 for Quick Market and 173.48/39.9 for Stop and Save.
So Quick Market costs less.
