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Elenna [48]
2 years ago
14

3. The stem-and-leaf plot shows the cost of lamps at a department store.

Mathematics
1 answer:
77julia77 [94]2 years ago
3 0

Answer:

(a) What is the median cost?
12-78

(b) Is there a mode? If so, what is it?

No there isn't

(c) What is the difference between the most expensive and least expensive lamps?

12,75-78

(d) How many lamps cost more than $20 but less than $40?

5

(e) What is the ratio of lamps that cost less than $40 to lamps that cost more than $40? Write the ratio in the simplest form.

{for less} - (12,49)   {for more} - (49,78)

Step-by-step explanation:

hope I helped if it's wrong tell me

~Ally

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Answer:

\displaystyle  \angle2     =  {49}^{ \circ}

Step-by-step explanation:

remember that,

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thus our equation is

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2w+w^3-1/2w^2 for w=2
mars1129 [50]

The required value is 8

How can we find value?

We will find the value by putting the value of w in the given function to get the required value.

We can find the value of given function foe w=2 as shown below:

Given, function is 2w+w^3-1/2w^2

Let A=2w+w^3-1/2w^2

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Answer:

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Step-by-step explanation:

solving by substitution method

2x +y=20--------------1

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2x+y=20

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adding value of y in equation 2

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