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olchik [2.2K]
3 years ago
14

14w – 2(1 – w) = 2(5w - 1)

Mathematics
1 answer:
joja [24]3 years ago
8 0

Answer:

<em>w</em><em> </em><em>=</em><em> </em><em>1</em><em>0</em>

Step-by-step explanation:

Solving steps are shown in above pic. (source: Photomath)

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The profit P (in thousands of dollars) for an educational publisher can be modeled by P 52b31 5b21b where b is the number of wor
Anna007 [38]

Answer:

The lesser number of workbooks are 1,000

Step-by-step explanation:

The correct question is

The profit P (in thousands of dollars) for an educational publisher can be modeled by P=-b³+5b²+b where b is the number of workbooks printed (in thousands). Currently, the publisher prints 5000 workbooks and makes a profit of $5000. What lesser number of workbooks could the publisher print and still yield the same profit?

we have

P=-b^3+5b^2+b  

For P=\$5,000

substitute in the equation and solve for b

Remember that the profit and the number of workbooks is in thousands

so

P=5

5=-b^3+5b^2+b

Using a graphing tool

Solve the cubic function

The solutions are

x=-1

x=1

x=5

therefore

The lesser number of workbooks are 1,000

<u><em>Verify</em></u>

For b=1

P=-(1)^3+5(1)^2+1  

P=5  -----> is in thousands

so

P=\$5,000 ----> is ok

7 0
3 years ago
Identify which of the following variables are discrete and which are continuous: a. Number of warts on a toad b. Survival time a
gulaghasi [49]

Answer:

1. Number of warts on a toad ⇒ <em>discrete  variable</em>

2. Survival time after poisoning ⇒ <em>continuous  variable</em>

3. Temperature of porridge ⇒ <em>continuous  variable</em>

4. Number of bread crumbs in 10 meters of trail ⇒ <em>discrete  variable</em>

5. Length of wolves’ canines ⇒ <em>continuous variable</em>

A discrete variable is the one which takes over range of real number, for a value in range that variables are permitted to take, there is minimum distance to nearest permissible value. In contrast, continuous variables are the one which can take infinitely many values.  

4 0
3 years ago
$1.12 for 8.2 ounces
Reika [66]
To find the unit rate or how much one-ounce costs
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5 0
3 years ago
Read 2 more answers
Write an equation in point-slope form. (0,8) and (-1,10)
Snezhnost [94]
An equation in point-slope form for these points is: y-8=-2(x+-1)

Hope this helps <3
3 0
3 years ago
HELP PLEASE! =)
djverab [1.8K]
A bar graph would be the correct answer
6 0
3 years ago
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