Answer:
Time at which the hammer reaches the ground is 2.3 seconds.
Step-by-step explanation:
We are given the formula as, 
.
It is known that, when height i.e. 
meter, then velocity 
m/sec.
So, we get the formula as, 
.
Now, when the hammer hits the ground, the height 
meter.
Thus, we have,
⇒ 
⇒ 
⇒ 
i.e. t= ±2.3 sec
Since, time cannot be negative.
So, t= 2.3 sec
Hence, the time at which the hammer reaches the ground is 2.3 seconds.
Answer:
2/
For all values of x,
f(x)=2x-3
and
a) Find fg(x).
Simplify and give your answer in the form ax² + b
b) Find gf(x).
Simplify and give your answer in the form ax² + bx + c
g(x) = x² + 1
Step-by-step explanation:
Answer:
32 lbs
Step-by-step explanation:
John weighs 104 lbs
Rita weighs 136 lbs
The difference is 136-104 = 32 lbs
Answer:
Soap A
Step-bystep explanation:
15 / 4 = 3.75,
So Soap A Unit Price is $3.75.
25 / 6 = 4.17.
So Soap B Unit Price is $4.17.
Answer:
15
Step-by-step explanation:
