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4 years ago

At 6 A.M the temperature in Hibbing, Minnesota, was -35° F. If the temperature had risen 29° by 2 P.M and

Mathematics

1 answer:

seropon [69]4 years ago

6 0

Answer:

-12°F

Step-by-step explanation:

2 P.M

-35° F + 29° F= -6° F

The temperature had risen by 29°F meaning it went up by 29.

Adding negative 35 and positive 29 is the same as subtracting 35 from 29.

29 - 35 = -6

6 P.M

-6° F - 18°F = -12°F

The temperature had fallen by 18°F meaning it went down by 18°F.

p.s don't forget the label °F

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3 years ago

Rectangle EFGH is similar to rectangle JKLM. Which proportion can be used to

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*See attached picture for the diagrams being referred to

Answer:

C. ⁵/12= ²/x

Step-by-step Explanation:

Given that rectangle EFGH is similar to rectangle JKLM, it means the corresponding sides of both rectangles are similar, and as such the ratios if the corresponding sides of rectangle EFGH and rectangle JKLM would be equal.

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3 years ago

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3 years ago

A company manufactures and sells x television sets per month. The monthly cost and price-demand equations are

skelet666 [1.2K]

A) The maximum revenue is 450000$

B) The maximum profit is 216000$ when 2400 sets are manufactured and sold for 180$ each

C) When each set is taxed at $55, the maximum profit is 99125$ when 1850 sets are manufactured and sold for 207.5$ each.

A)p(x)=300−(x/20),

revenue R(x)=p*x

revenue R(x)=300x -(x2/20)

for maximum revenue dR/dx =0 ,

=>300-(2x/20)=0

=>x/10=300

=>x=3000

maximum revenue = R(3000)=300*3000 -(30002/20)

maximum revenue = R(3000)=450000$

B) profit =revenue -cost

profit P(x)=300x -(x2/20)-72000-60x

profit P(x)=240x -(x2/20)-72000

for maximum cost dP/dx =0

240 -(2x/20)=0

x=240*10

x=2400

p(2400)=300−(2400/20)=180

profit P(2400)=240*2400 -(24002/20)-72000 =216000

The maximum profit is 216000$ when 2400 sets are manufactured and sold for 180$ each

profit =revenue -cost -tax

profit P(x)=300x -(x2/20)-72000-60x-55x

profit P(x)=185x -(x2/20)-72000

for maximum cost dP/dx =0

185-(2x/20)=0

x=185*10

x=1850

p(1850)=300−(1850/20)=207.5

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profit P(1850)=99125$

When each set is taxed at $55, the maximum profit is 99125$ when 1850 sets are manufactured and sold for 207.5$ each.

To know more about maximum profit check the below link:

brainly.com/question/4166660

#SPJ4

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1 year ago