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1. ### Help with this algebra question!?

Second answer: V = πr^2h + (4/3)πr^3 h = r V = πr^3 + (4/3)πr^3 V = (7/3)πr^3 3V/(7π) = r^3 r = cube root (3V / 7π)

2 Answers · Science & Mathematics · 25/08/2019

2. ### What is the area of a circle with a diameter of 5 feet?

Area= pi(r^2) Area=3.14(2.5^2) Area=3.14(2.5^2) Area=19.625 ft^2

5 Answers · Science & Mathematics · 12/04/2019

3. ### Calc question?

A vector form of the given line is r = <3,2,1> + t<1,3,-2>. A plane perpendicular...

1 Answers · Science & Mathematics · 30/05/2019

Presuming monthly interest, this is the loan payment equation: P = r(PV) / [1 - (1 + r)^(-n)] Where: P = monthly payment PV...

1 Answers · Science & Mathematics · 17/09/2019

5. ### Identify the conic section that the following polar equations represents: (please see picture)?

Convert to rectangular coordinates: r = √(x²+y²) x = r cosΘ y = r sinΘ r = 3/(1-3cos...

2 Answers · Science & Mathematics · 02/07/2019

6. ### Circumference of a cylinder is 4 cm and height is 1 meter , find its radius !?

C = 2 × π × r 4 = 2 × π × r 2 = π × r r = 2 / π r = = 0.6366197723675814 cm

7 Answers · Science & Mathematics · 20/07/2019

7. ### Let f be a bijective function from X to Y. How do you prove that if X has a partition than Y also have a partition?

...set B if • U(A) = B and • ∀ R,S ∈ A: if R≠S then R...exist V, Z ∈ P such that f(V) = R and f(Z) = S. Since f is injective...

1 Answers · Science & Mathematics · 18/05/2019

8. ### Calculus series question?

...that you mean ∑(n=1 to ∞) (e^n + 3)/(sqrt(n+6) (n+4)!): r = lim(n→∞) |[(e^(n+1) + 3)/(√(n+7) (n+5)!)] / [(e^n + 3... that you mean ∑(n=1 to ∞) (-6)^n/[(4n^2+1) 7^(n+5)]: r = lim(n→∞) |[((4(n+1)^2+1) 7^(n+6))/(-6)^(n+1)] / [(-6)^n...

1 Answers · Science & Mathematics · 06/06/2019

9. ### Growth rate?

12000/3800 = (1+r/100)^5 1+r/100 = 1.25858 r = 25.9%

2 Answers · Science & Mathematics · 14/06/2019

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

V = (1/3)pi*h*r^2 = (1/3)pi*h*(3.25h/14)^2 = (3.25^2/588)*pi*h^3. dV/dh = (3.25^2/196...

1 Answers · Science & Mathematics · 01/03/2020