Answer:
2
Step-by-step explanation:
200=4(5)(9)+2(5)h
Simplify:
200=20(9)+10h
200=180+10h
Subtract 180 on both sides:
20=10h
Divide by 10:
h=2
Answer:
Convert 33% to the equivalent decimal 0.33, and then multiply 0.33 by 67 to get 22.11.
Step-by-step explanation:
It is given that the diameter of the sphere increases <span>at the rate of 3 inches more than the time, t.
This means that:
at a certain time = t seconds
the diameter of the sphere will be equal to t + 3
Based on this:
at t = 3 seconds
diameter of the sphere = t + 3 = 3 + 3 = 6 inches = </span><span>0.1524 meters
and radius of sphere = 0.5 x </span><span>0.1524 = 0.0762 meters
Volume of the sphere can be calculated using the following rule:
volume of sphere = (4/3) x pi x (radius)^3
Substituting in this equation, we can get the volume of the sphere at t = 3 seconds as follows:
volume at t=3 seconds = (4/3) x 3.14 x (</span>0.0762)^3 = 1.8533 x 10^-3 m^3
Answer:
50%
Step-by-step explanation:
there are 8 students and 4 are shorter than 65 inches.
So 4 divided by 8 = 0.5 or 50%
