V = 4/3(pi)(

**r**^3) + pi***r**^2*h .....(1) Find h when the**r**adius is 3 cm. Given...to "t" (Time); dv/dt = (4/3)π(3**r**^2)(d**r**/dt) + π[h(2**r**)(d**r**/dt) +(**r**^2)(dh/dt)], Given;**r**= 3 cm, v = 81π cm3, d**r**/dt = 2 cm/min, dv/dt = 204π...1 Answe

**r**s · Science & Mathematics · 04/04/2021Presuming your equation is: PV =

**R**[1 - (1 + i)^(-n)] / i If it's 3.4% interest rate (0.034) and you are...2 Answe

**r**s · Science & Mathematics · 05/04/2021a

**r**ea of ci**r**cle = π**r**^2 If ou**r**diamete**r**is 5 cm, ou**r****r**adius is 2.5 cm a**r**ea = π(2.5)^2 = 6.25π cm^2 ci**r**cumfe**r**ence of ci**r**cle = 2π**r**o**r**πd ci**r**cumfe**r**ence = 5π cm So, option C is co**r****r**ect2 Answe

**r**s · Science & Mathematics · 18/03/2021Given P = 200,000

**r**= 8% inte**r**est t = 5 yea**r**s n = 4 Apply The compound inte**r**est fo**r**mula: A = P(1 +**r**/n)^(nt) A = 200,000(1 + 0.08/4)^[4(5)] A = 200,000(1.02)^20 A = $297189.48 Answe**r**//4 Answe

**r**s · Science & Mathematics · 21/03/2021Amount A = P(1 +

**r**)^(t) Given P = $1**r**= 4% = 0.04 t = July 4 2076 - July 4 1776 = 300 years A = 1(1 + 0.04)^(300) A = $128,825.493 Answe

**r**s · Science & Mathematics · 02/04/2021it's not a theo

**r**em, it's a fact. A = 2π**r**² + 2π**r**h = 2π**r**(**r**+h) 2π**r**(**r**+5) = 208π**r**(**r**+5) = 104**r**² + 5**r**– 104 = 0 (**r**– 8)(**r**+ 13)**r**= 8, – 13 skipping the negative answe**r**,**r**= 8 ft3 Answe

**r**s · Science & Mathematics · 05/04/2021Apply the Pythago

**r**ean theo**r**em.**r**= √(x^2 + y^2)**r**= √(-3^2 + 11^2)**r**= √(130) Answe**r**//2 Answe

**r**s · Science & Mathematics · 31/03/2021This is a simple geomet

**r**ic se**r**ies with a₁ = 14400**r**= 0.95 (multiplying by 0.95 is the same as**r**educing by 5...1 Answe

**r**s · Science & Mathematics · 30/03/2021#1 ; a = 2 #5 ; =a

**r**^4 = 512 Divide**r**^4 = 256**r**= 256^(1/4)**r**= 4 Hence #3 ; a**r**^2 = 2(4)^2 = 325 Answe

**r**s · Science & Mathematics · 09/04/2021The formula for simple interest is: I = Prt P : original principal (5000)

**r**: annual rate, as a decimal t : time in years 600 = 5000 ***r*** 6 600 = 30000r**r**= 600/30000**r**= 6/300**r**= 2/100**r**= 0.02 (or 2%)5 Answe

**r**s · Science & Mathematics · 28/03/2021