1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
adell [148]
3 years ago
11

Hey! A step by step explanation on this would be great! Thanks! (25 Points)

Mathematics
1 answer:
kicyunya [14]3 years ago
6 0

Step-by-step explanation:

We find the stationary point of (20 + 2x)(1200 - 60x),

where x is the unit rate of increase/decrease.

d/dx [(20 + 2x)(1200 - 60x)]

= d/dx (-120x² + 1200x + 24000)

= -240x + 1200.

When d/dx [(20 + 2x)(1200 - 60x)] = 0,

We have -240x + 1200 = 0. => x = 5.

Price per shirt that maximise revenue

= $20 + $2x = $20 + $2(5) = $30.

Maximum revenue

= (20 + 2(5))(1200 - 60(5))

= $30 * 900 = $27,000.

You might be interested in
Will mark brainliest for any help!
elena55 [62]

Answer:

5000

Step-by-step explanation:

6 0
3 years ago
Write the exponential equation for the given situation. A tennis tournament starts with 128 participants. Each round, half of th
inysia [295]

Answer:

y= 128(1-.5)^t

Step-by-step explanation:

6 0
3 years ago
Is (-1,2) a solution of y=-2x-1
Klio2033 [76]
A solution of a function is where the function hits the x-axis, so if y is any number that is not equal to 0, there is no possible way that point can be a solution. 

Hope this helps!
7 0
3 years ago
Read 2 more answers
Solve the system of equations graphicallySolution=?
BigorU [14]

The given system is

\begin{cases}y=\frac{5}{2}x-8 \\ y=-\frac{1}{2}x-2\end{cases}

Given that y = y, let's combine the equations

\frac{5}{2}x-8=-\frac{1}{2}x-2

Let's solve for x

\begin{gathered} \frac{5}{2}x+\frac{1}{2}x=8-2 \\ \frac{6}{2}x=6 \\ 3x=6 \\ x=\frac{6}{3} \\ x=2 \end{gathered}

Then, we find y

y=-\frac{1}{2}x-2=-\frac{1}{2}\cdot2-2=-1-2=-3

The solution is (2, -3).

The image below shows the solution graphically.

3 0
1 year ago
Show your work:<br><br> Express 160 pounds (lbs) in kilograms (kg). Round to the nearest hundredths.
andrew-mc [135]

Answer:

160 lbs = 72.57kg

Step-by-step explanation:

This can be solved as a rule of three problem.

In a rule of three problem, the first step is identifying the measures and how they are related, if their relationship is direct of inverse.

When the relationship between the measures is direct, as the value of one measure increases, the value of the other measure is going to increase too.

When the relationship between the measures is inverse, as the value of one measure increases, the value of the other measure will decrease.

Unit conversion problems, like this one, is an example of a direct relationship between measures.

Each lb has 0.45kg. How many kg are there in 160lbs. So:

1lb - 0.45kg

160 lbs - xkg

x = 0.45*160

x = 72.57 kg

160 lbs = 72.57kg

4 0
3 years ago
Other questions:
  • Which list shows the order of original appearance on earth, from the earliest to the most recent organism? A. bacteria, lizards,
    6·1 answer
  • A party-favor bag must have a volume of 140 cubic inches and the dimensions that are shown below. The equation x^3+6x^2-27x=140
    11·2 answers
  • Which system of linear inequalities has the point (2, 1) in its solution set?
    11·2 answers
  • What all applies to -6.75
    15·1 answer
  • Two non-parallel lines intersect at a<br> A. point<br> B. line<br> C. plane<br> D.none of these
    5·2 answers
  • Solve the system by substitution!
    10·1 answer
  • F(x)=2x^2−3x+5 Identify the quadratic term in the function.
    6·2 answers
  • helppppppppppppppppppppp meeeeeeeeeeeeeeeeeeeeee itssss urgentttttttttttttttttttttttttttttttttttttttttt
    12·1 answer
  • 2) Solve<br> X+X+x+x<br> I really need help it’s kinda confusing
    5·2 answers
  • the piggybank had 25.65 in dimes and quarters if there were 20 more quarters than dimes, how many dimes were in the piggybank
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!