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Sav [38]
3 years ago
13

Given the function below, evaluate f f(x) = (96/-55

Mathematics
1 answer:
katrin2010 [14]3 years ago
8 0
I think it’s suppose to remain as a fraction f(x)= -96/55
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PLEASE LEND ME A HAND! I NEED IT BADLY!!!
V125BC [204]

Answer:

The first one is A

The second one is B

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If the perimeter of a triangle is 31 ft and two of the side lengths are 15 ft and 10 ft, what is the length of the third side?
erastovalidia [21]

Answer:

C) 6 ft

Step-by-step explanation:

Perimeter is just adding the side lengths together so...

31-15-10=x

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Chang made $156 for 13 hours of work at the same rate, how many hours would he have to work to make $108?
sdas [7]

Answer:

  9 hours

Step-by-step explanation:

"At the same rate" means time and wages are proportional.

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Chang would have to work 9 hours to make $108.

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3 years ago
Please help <br><br>must show work<br><br><br>there are 5 that I'm stuck on​
Cloud [144]

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3 years ago
Set up a double integral for calculating the flux of the vector field ????⃗ (????⃗ )=????⃗ , where ????⃗ =⟨x,y,z⟩, through the p
Tema [17]

Answer:

-937.5π

Step-by-step explanation:

F (r) = r = (x, y, z) the surface equation z = 3(x^2 + y^2) z_x = 6x, z_y = 6y the normal vector n = (- z_x, - z_y, 1) = (- 6x, - 6y, 1)

Thus, flux ∫∫s F · dS is given as;

∫∫ <x, y, z> · <-z_x, -z_y, 1> dA

=∫∫ <x, y, 3x² + 3y²> · <-6x, -6y, 1>dA , since z = 3x² + 3y²

Thus, flux is;

= ∫∫ -3(x² + y²) dA.

Since the region of integration is bounded by x² + y² = 25, let's convert to polar coordinates as follows:

∫(θ = 0 to 2π) ∫(r = 0 to 5) -3r² (r·dr·dθ)

= 2π ∫(r = 0 to 5) -3r³ dr

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= -(6/4)5⁴π - (6/4)0⁴π

= -937.5π

4 0
4 years ago
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