Answer: 31.25%
Step-by-step explanation: 8 + 15 + 25 = 48, then 15 / 48 = 0.3125. that's 31.25%
Answer:
The velocity of the ball relative the racquet is 15 m/s.
Step-by-step explanation:
Given;
velocity of the tennis ball, = 30 m/s
Velocity of the racquet swung in opposite direction, = 15 m/s
The velocity of the ball relative the racquet () is calculated as;
Therefore, the velocity of the ball relative the racquet is 15 m/s.
Answer:
$21
Step-by-step explanation:
1/4 of 28=7
so 28-7=$21
Answer: 9/7 or 1.3 (rounded)
reasoning: -2 + 7x/9 = -1
7x/9 = 1
7x = 9
x = 9/7, or 1.3 (assuming they allow you to round to the nearest tenth)