Answer:
15/2
Step-by-step explanation:
y varies directly as x can be written as:
y & x
y = Kx
K = y/x
But from the question, we were told that:
y = 10
X = 20
K = y/x
K = 10/20
K = 1/2
The formula for the expression is:
y = Kx
y = 1/2 x
Now let us solve for y, when:
x = 15
y = 1/2 x
y = 1/2 x 15
y = 15/2
Answer:
Step-by-step explanation:
First you can notice the y-intercept is 4. Then notice how the y value increases exponentially based on the x valie, making it non-linear, rather a porabla.
Answer:
a)0.5 mpm (half a mile per minute) or 30 mph (thirty miles per hour)
b)0.667 mpm (two thirds of a mile per minute) or 40 mph (forty miles per hour)
c)0.60 mpm (two thirds of a mile per minute) or 36 mph (thirty six miles per hour)
Step-by-step explanation:
a)10/20=0.5
b)20/30=0.667
c)30/50=0.6
Well, 0.90 is actually equal to 0.9. It is less than 0.91 and equal to 0.9 so that means it is not correct.
I hope this helps:)
