Answer:
The answer is letter C) a cars distance at a constant speed
50 dogs and 10 cats
This creates a 5:1 ratio and allows there to be 40 more dogs than cats. 50-10 equals 40
Answer: It is a 25% increase.
Step-by-step explanation: First lets subtract her new wage from her old wage. 10 - 8 = 2
Next, lets write an percent equation, for p = percent.
2 = p x 8
Basically, we are saying that her new wage will be what percent of her old wage.
Next,
2/8 = p
0.25 = p
Now, multiply 0.25 by 100 to get a percent
0.25 x 100 = 25
So her new wage is a 25% increase from her old wage.
Step-by-step explanation:
(a) Compare your quadratic for h to the general quadratic ax² +bx +c. Perhaps you can see that ...
a = -16
b = 128
You use these numbers in the given formula to find the time when the ball is highest.
t = -b/(2a) = -128/(2(-16)) = 4 . . . . . . the time at which the ball is highest
(b) Evaluate the quadratic to find the height at t=4.
h = -16(4)² +128(4) +21
h = -256 +512 +21
h = 277
The maximum height of the ball is 277 ft.