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3 years ago

12

If a parametric surface given by and , has surface area equal to 2, what is the surface area of the parametric surface given by

with ?

1 answer:

guajiro [1.7K]3 years ago

8 0

2x it and then you get your answers for exalpes 3+1equalls 4

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Mario has a business selling muffins. Let x be the price of a muffin. Then, the profit P for Mario’s business is given by p(x)=-

Rufina [12.5K]

To make a positive profit p(x)>0 we need to make:
$-100 x^{2} +350x-150 \ \textgreater \ 0$

Now we solve this for x:
$-2 x^{2} +7x-3 \ \textgreater \ 0$

We have:
a = -2
b = 7
c = -3

We will use formula for quadratic equation:
$x_{1} = \frac{-b+ \sqrt{ b^{2}-4ac } }{2a} \\ \\ x_{2} = \frac{-b- \sqrt{ b^{2}-4ac } }{2a} \\ \\ x_{1} = \frac{-7+ \sqrt{ 49-24 } }{-4} = \frac{-7+5 }{-4} = \frac{-2 }{-4} = \frac{1}{2} \\ \\ x_{2} = \frac{-7- \sqrt{ 49-24 } }{-4} = \frac{-7-5 }{-4} = \frac{-12 }{-4} = 3$

We got two solutions. One is fraction other is whole number. We will not consider fraction because the amount of muffins sold must be whole number. So our solution is:
x>3

5 0

3 years ago

Read 2 more answers

Plssss help and please don't scam

BARSIC [14]

I believe the answer is 2783 for 1 a - either

5 0

2 years ago

Helen has an old laser printer that can print 900 pages in 1.5 hours. If the speed of printing remains constant, how

lilavasa [31]

Answer:

1 hour

Step-by-step explanation:

No. of pages print in 1.5 hours = 900

dividing LHS and RHS by 1.5 so that we get 1 hour in LHS

no. of page print in 1.5/1.5 (1) hours = 900/1.5 = 600.

Thus, it takes 1 hour to print 600 pages.

Given that we have to find how

long will it take her to print a book of 600 pages.

Answer is 1 hour.

8 0

3 years ago

URGENT] <br>What is the perimeter of the figure? 28 m 22 m 20 m 14 m

egoroff_w [7]

Answer:

20m

Step-by-step explanation:

5+3+1+7+4=20

8 0

3 years ago

True or false? The first distribution shown below has a smaller mean than does the second.

cestrela7 [59]

The awnser is It is true

3 0

3 years ago