03/13/22

Determine the Function

Determine the function described and then use it to answer the question.The surface area, A, of a cylinder in terms of its radius, r, and height, h, is given by A = 2𝜋r2 + 2𝜋rh. If the height of... more

03/13/22

Rana and sofie went on a 20 mile bike ride today. Each girl biked at her usual speed. How long did Sofie wait for Rana at. the end of the route?

Sophie bikes S miles per hour. Her friend Rana is slower. Rana bikes r miles per hour.

03/13/22

Please find the answer

f(x) = x(x − 8)3Find the points of inflection of the graph of the function. (Order your answers from smallest to largest x, then from smallest to largest y.Describe the concavity. (Enter your... more

03/13/22

Please help me, find the answer

Determine the open intervals on which the graph is concave upward or concave downward. (Enter your answers using interval notation)f(x) = x4 − 9x3Concave Upward=

03/13/22

I really need help with this

The function s(t) describes the motion of a particle along a line.s(t) = 8t − t2(a) Find the velocity function v(t) of the particle at any time t ≥ 0.v(t)=(b) Identify the time interval on which... more

03/13/22

What is 9 divided by y

03/13/22

how many possible combinations are there for UOUOUOUOUO?

I need to find out how many possible combinations there are for these 2 letters in a sequence of 10 digits. also is there some kind of generator i can use to produce all the combinations?

How many days does it take for all of the tickets to be sold?

Here is the question :There are 3000 tickets available for a concert.On the first day of ticket sales, 200 tickets are sold.On the second day, 250 tickets are sold.On the third day, 300 tickets are... more

03/12/22

Function of equition can you please write more clearly

Strontium 90 is a radioactive isotope that decays according to the eqaution At=A0e−0.0244t, where A0 is the initial amount present and At is the amount present after t years. If you begin with 250... more

03/12/22

Need Help with this question

Note: Triangle may not be drawn to scale.Suppose a = 9 and b = 12.Give each answer as a reduced improper fraction:sin(A) =   cos(A) =   tan(A) =   

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