the formula V= 4x3.14xr3 over 3 gives the approximate volume of a sphere if you know the radius r. Calculate V if r=3
1 answer:
You might be interested in
They need to babysit for 10 hours to have same money each day.
Step-by-step explanation:
On Thursday;
Charges = $3 per hour
Initial fee = $40
let x be the number of hours.
T(x) = 3x+40
On Friday;
Charges = $4 per hour
Initial fee = $30
F(x)= 4x+30
The cost will be same when;
T(x) = F(x)
They need to babysit for 10 hours to have same money each day.
Keywords: functions, addition
Learn more about functions at:
#LearnwithBrainly
Answer:
Sedan: 4 passengers
Minivan: 6 passengers
Step-by-step explanation:
We can write the following system of equations:
, where
represents the number of people a sedan can seat and
represents the number of people a minivan can seat.
Subtracting the first equation from the second, we have:
Now plug in in any of the equations to solve for
:
Verify that the solution pair works:
Therefore, a sedan can hold 4 passengers and a minivan can hold 6 passengers.