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
lidiya [134]
3 years ago
7

The monthly sales of Sunny Electronics' new sound system are given by q(t)=4000t−100t² units per month, t months after its intro

duction. The price Sunny charges is p(t)=2000−t² dollars per sound system, t months after introduction. Find the rate of change of monthly sales.
Mathematics
1 answer:
zysi [14]3 years ago
5 0

Answer:

The rate of change with respect to monthly sales is 4000 - 200t.

Step-by-step explanation:

The sales per month (monthly sales) of the new sound system being sold by Sunny Electronics is given by q(t)  = 4000t - 100t^2 units per month, where t is number of months from the introduction of the sound system.

The price of each unit of the sound system charged by Sunny Electronics is given by p(t) = 2000 - t^2.

The rate of change with respect to monthly sales will be given by the equation

\frac{dq(t)}{dt}  = \frac{d(4000t - 100t^2)}{dt}  = 4000 - 200t.

You might be interested in
Ten weeks of data on the Commodity Futures Index are as follows.
IgorLugansk [536]

The analysis of time series is a process by which a set of observations in a time series is analyzed.

Part a: The time series plot is constructed both in de$mo$ and excel sheet.

b. The data appear to follow a horizontal pattern.

Part b: The trial and error is used to find the value of exponential smoothing coefficient that results in MSE= 0.009 which is less than 0.01.

The MSE in the first table is calculated using the average of the two previous years.

The MSE in the second table is calculated using the moving average

The MSE in the third table is calculated by using ∝= 0.4 and the value of alpha changes to different values as shown in the cell U20, V20 and W20.

The MSE is the mean squared error.

We find the error by subtracting <u><em>forecast</em></u> data from the <em><u>actual</u></em> data.

The forecasted data may be average of 2 years , moving average of 3 years or adding the multiplied chosen value of alpha with the actual data and the multiplied value of 1- ∝ with the forecasted value of data.

The error is then squared.

The squared error is then averaged which gives the MSE.

The values of ∝= 0.400641005, 0.40319659, 0.400641001 may give the best MSE values.

brainly.com/question/24149197

brainly.com/question/20376850

brainly.com/question/15875267

Download xlsx
<span class="sg-text sg-text--link sg-text--bold sg-text--link-disabled sg-text--blue-dark"> xlsx </span>
695db9f7774343e86b7416fee987c7ea.png
8 0
3 years ago
A rectangle hale card has a length of 3/10 and a width of 4/5 find the perimeter
postnew [5]

Answer:

22/10 or 2 and 1/5

Step-by-step explanation:

To find the perimeter, add all sides together. Since it's a rectangle, the other sides are the same measurement as the ones given. Add 3/10, 3/10, 4/5, and 4/5 together. To do this, find a common denominator. The lowest common denominator is 10 so multiply the 4/5 by 2/2 to get the denominator to be 10. Now, add 3/10, 3/10, 8/10, and 8/10. It adds up to 22/10 but if you don't want an improper fraction, simplify it to 2 and 1/5.

4 0
3 years ago
A cube with a side of 1m was sawn into cubes with a side of 1 cm and then laid in a row (in a straight line). What was the lengt
MrRissso [65]

Answer:

10 km

Step-by-step explanation:

volume of cube = s^3

1 m = 100 cm

volume = s^3 = (1 m)^3 = (100 cm)^3 = 1,000,000 cm^3

Since 1 m^3 = 1,000,000 cm^3, when you lay down the 1-cm cubes in a straight line with the edges touching, the line is 1,000,000 cm long.

1,000,000 cm = 10,000 m = 10 km

5 0
2 years ago
ACFG is a parallelogram, If AX = 4y + 3 and XF = 2y + 7, find AX.
pashok25 [27]

Answer:

AX=XF

4y+3=2y+7

4y-2y=7-3

2y=4

y=2

then,

AX=4y+3

=4×2+3

=8+3

=11

3 0
3 years ago
There are four times as many girls in a chemistry class as there are boys. if there are 45 students in the class, how many boys
puteri [66]
In order to determine the number of boys in the class, first, we set-up an algebraic equation. Let x = number of boys in the class. The equation is then: x + 4x = 45. This is because the number of girls is 4 times greater than the number of boys. After solving the algebraic equation, it is then determined that there are 9 boys in the Chemistry class.   
4 0
3 years ago
Other questions:
  • Write a real-world problem to represent 7x-18 &lt; 32
    14·1 answer
  • The diameter of the larger circle is 10.5 cm. The diameter of the smaller circle is 4.5 cm. What is the approximate area of the
    12·2 answers
  • Which equation has infinitely many solutions?
    7·2 answers
  • Which of the following is a factor of 450 and multiple of 25?
    14·1 answer
  • The sum of 2 numbers is 45. The larger number is 17 more than the smaller number. What are the numbers
    6·1 answer
  • What is the meaning of Zero on a number line
    7·1 answer
  • Help me with this please
    14·1 answer
  • Identify the terms and like terms in the expression 2x2 – 3+6+4r.
    5·1 answer
  • 2) The wind blew away 16 of your muffins. That was 4/7 of all of them! How many are left?
    8·1 answer
  • A triangular prism has a height of 6 meters and a triangular base with the following dimensions.
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!