A company estimates that it will sell N(t) hair dryers after spending $t thousands on advertising as given by the following equation. For which values of t is the rate of sales N'(t) increasing? N(t) = − 3t³ + 450t² − 21,600t +1,100, 40 ≤t≤60 A. 4040 D. 40

Q: The amount of nitrogen (in lb/acre), phosphate (in lb/acre), and labor (in hr/acre) needed to grow…

A: (a)  Let x acres of honeydews, y acres of yellow onion and z acres of lettuce According to given…

Q: What is the correct answer ? I have to show work.

A: Given Information: Sample size (n) = 22  Mean (u) = 12 Standard deviation (s) = 5.4

Q: Explain the term dissecting the problem?

A:

Q: Hey, wondering if I could get some help with this problem?

A: The expectation of a continuous random variable X is given by EX=∫-∞∞xfxdx. Where,fx is the…

Q: 4 yd

A:

Q: Need help this problem please stuck on it.

A:

Q: please check my work for this problem. thank you.

A: Yes your work is correct. Well done.

Q: What is the right answer? I have to show work.

A: The probability PAB is the conditional probability of happening of event A provided event B already…

Q: thank you so much I understand it now and it worked

A: Okay.

Q: Can you help me solve this?

A:

Q: Can you help with this practice problem

A:

Q: Can you help me and explain this a little better

A: Here, the objective is to find the area function for Kite.

Q: Also need help completing this

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: I need help on this practice problem.

A:

Q: can you work it out step by step

A:

Q: Can you help me step by step with this problem?

A: The given is: