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1. ### please be hurry. calculus test problem?

...25h/14)^2 = (3.25^2/588)*pi*h^3. dV/dh = (3.25^2/196)*pi*h^2. dh/dt = 15 cm /min => dV/dt = (dV/dh)*(dh/dt) = (3.25^2/196)*pi*(200 cm )^2*15 cm ...

1 Answers · Science & Mathematics · 29/02/2020

2. ### Helppppppppp?

...dr  =12pi(r_outer)   dV/dt = dV/dr * dr/dt   so when r_outer = 4.5 cm   dV/dr = 12pi(4.5) = 54pi  cm ^3/ cm   dr/dt =   0.04  cm /hour  dV...

2 Answers · Science & Mathematics · 03/06/2020

3. ### can some one pls help me with this maths Question?

y(0)= 161, y(2)= h a. y(7)= 1.20h b. m= (1.20h - h)/(7 - 2)= 0.04h c. y= 0.04h*x + 161 d. h= 0.04h*2 + 161 0.92h= 161; h=175 cm

1 Answers · Science & Mathematics · 09/11/2020

4. ### A belt is stretched tightly over two wheels having a radii of 1 and 5 inches, respectively. If the center of the wheels...?

....org/content-standards/tasks/621  but replace 5cm, 3cm 14 cm by 5 inches, 1 inch, 8 inches One straight section is...

3 Answers · Science & Mathematics · 03/06/2020

5. ### Anyone know how to do this calculus question? ?

...75)(25^2)(dr/dt) dr/dt = -40 / [(6π/75)(25^2)] = about -0.2546 m / min = about -25.46 cm / min

1 Answers · Science & Mathematics · 15/01/2021

6. ### Please answer this question with explain?

The exact perimeter of a square whose side length is 5 3√16 cm is 240 cm .

2 Answers · Science & Mathematics · 19/11/2020

7. ### Determine the area of the triangle.?

The area of the triangle is 117 cm ^2.

5 Answers · Science & Mathematics · 19/08/2020

8. ### Find the radius of the cylinder that produces the minimum surface area.?

...)/(8π³)] r = 1/(2π)∛[21(4π²)] r = 1/(2π)∛(84π²) cm That's the exact answer for the radius that will minimize the area. ...

2 Answers · Science & Mathematics · 06/07/2020

9. ### Dh/dt=.5t+7?

dh/dt = t/2 + 7, ..... integrate using power rule h(t) = t^2/4 + 7 t + C h = 12 when t = 0 12 = 0 + 0 + C h(t) = t^2/4 + 7 t + 12, and now we want h(4) h(4) = 16/4 + 7*4 + 12 = 44 cm

3 Answers · Science & Mathematics · 17/07/2020

10. ### yohan is blowing up a spherical balloon. he blows 108pi cubic centimeters of air with every breath. it takes him 72 breaths to fully inflate?

Total volume of gas is 72 breaths x 108 x pi cc/breath = 7776 x pi cc Assuming the balloon is spherical,  V = 4/3 x pi x r^3 = 7776 x pi cc r ^3 = 7776 x 3/4 cc r = 18 cm

2 Answers · Science & Mathematics · 12/08/2020