Answer:
5q^2 = 405
q^2 = 81
q = 9, -9
Step-by-step explanation:
All you have to do is substitute in the x value into the equation.
y=10x
y=10(-3)
y=-30
The value of y when x is -3 is -30
Good luck!
Answer:
Blue
Step-by-step explanation:
Red:
400m/20s = 20 m/s
Blue:
660 m/30s =22 m/s
The blue car is faster
Answer:
Step-by-step explanation:
Choose some values of x to plot. I usually start with zero:
5×0 + 5 = 5
Plot the point (0,5).
Then use x=-1, because it is the x- intercept:
5×(-1) + 5 = 0
Plot the point (-1,0).
Draw the line through both points.
Answer:
11 ounces for each hamburger patty
Step-by-step explanation:
1 pound(lbs) = 16 ounces(oz)
Convert 5lbs into ounces
5x16 = 80oz
80 + 8 = 88 Add all the ounces together
/8 = Divide by 8 people
11oz each