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lord [1]
2 years ago
12

The daily profit P for a cake bakery can be modeled by the function P(x)= -15x^2 +330x -815. What should the price of a cake be

to provide a daily profit of at least $600? Round answers to the nearest dollar.
Mathematics
1 answer:
ioda2 years ago
5 0

Answer:

5\leq \: x\leq 16

Step-by-step explanation:

The daily profit P for a cake bakery is modeled by the function

P(x)= -15x^2 +330x -815. where x=Price of Cakes Sold

We want to determine the value of x which will provide a daily profit of at least $600.

-15x^2 +330x -815\leq 600

-15x^2 +330x -815-600\leq 0\\ -15x^2 +330x-1415\leq 0\\\text{Using Calculator to solve the quadratic equation}\\5.83\leq x \: or \: x\leq 16.16\\5\leq  x\leq 16

The minimum Price which the cakes can be sold is represented by the inequality

5\leq \: x\leq 16

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A canoe requires 8 hours of fabrication and a rowboat 5 hours. The fabrication departments has at most 107 hours of labor availa
Elina [12.6K]

Answer: A

Step-by-step explanation: Canoe → 8h →X

                                            Rowboat → 5h → Y

Fabrication department has at most 107, which means it need to be <u>less</u> than 107 hours.

This way, the amount of time to fabricate X canoes = 8X plus the amount of time to fabricate Y Rowboat = 5Y must be less than 107.

8X + 5Y < 107

6 0
3 years ago
Please answer : ) will give brainly go to last problem for it to make sense
Ede4ka [16]

Answer:

30%

Step-by-step explanation:

if 60% were thin mint and 10% were Samoas that is 70% of cookies. remaining 30% must be trefoils. hope this helps

5 0
3 years ago
I'm confused like in #1 the positive is five but what do I put for the negative
yuradex [85]

You found $5, so it's positive. You don't put anything in the negative, because you aren't losing anything.

4 0
3 years ago
1.172 as a percentage?
hodyreva [135]

Answer: 117.2%

Step-by-step explanation:

Multiply both numerator and denominator by 100. We do this to find an equivalent fraction having 100 as the denominator.


Multiply both numerator and denominator by 100. We do this to find an equivalent fraction having 100 as the denominator.

= (1.172 × 100) × 1/100=117.2/100


Write in percentage notation: 117.2%

8 0
2 years ago
Read 2 more answers
A certain electronics manufacturer found that the average cost C to produce x DVD/Blu- ray players can be found using the equati
Marina CMI [18]

Answer:

Minimum average cost = 743.75

Number of dvds to achieve the cost = 62.5

Step-by-step explanation:

Given the cost equation

C = 0.04x² − 5x + 900

To Obtian the minimum average cost ;

Find dc/dx = 0

Diffentiate cost, c it ith respect to x

dc/dx = 2(0.04x) - 5

dc/dx = 0.08x - 5 = 0

0.08x = 5

x = 5 / 0.08

x = 62.5

Substitute the value of x into C to obtain the minimum average cost

C = 0.04(62.5)² - 5(62.5) + 900

C = 743.75

6 0
2 years ago
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