3 years ago

Mr. king brought a carpet for his dining room that measured 3 1/2 yards by 5 3/4 yards how much carpet did Mr.king buy

Mathematics

1 answer:

notka56 [123]3 years ago

3 0

Answer:

He bought 9 1/2 yards of carpet

Step-by-step explanation:

3 1/2+5 3/4

change both to improper fraction

7/2 and 23/4 then you add.The common factor is 4 so

4 divided by 2 and 2 multiply by 7 which is 14 and 4 divided by 4 is multiply by 23 which is 23.

Then 14/4 +23/4= 37/4

37 divided by 4 is 9 1/4

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A certain company's main source of income is selling cloth bracelets. The company's annual profit (in thousands of dollars) as a

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Answer:

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Step-by-step explanation:

The company's annual profit (in thousands of dollars) as a function of the price of a bracelet (in dollars) is modeled by: P(x)=-2x^2+16x-24

To find maximum profit , we need to find out the vertex

x coordinate of vertex formula is -b/2a

$P(x)=-2x^2+16x-24$

a=-2 and b = 16

$x= \frac{-b}{2a}= \frac{-16}{2(-2)} = 4$

Now we plug in 4 for x and find out P(4)

$P(x)=-2(4)^2+16(4)-24$ = 8

So the maximum profit the company can earn is 8 thousand dollars when price = $4

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