marissa946 marissa946

04-05-2020
Mathematics

contestada

the first term in a geometric series is 64 and the common ratio is 0.75. Find the sum of the first 4 terms in a series.

Respuesta :

redbudtree84 redbudtree84

04-05-2020

hi

u0 = 64 with u(n+1) = un *0.75

u3 = 64 *0.75^3 = 27

sum is : 64 * ( 0.75^4 -1) / 0.75-1 = 175

manual proof : 64 + 48+36+27 = 175

Answer Link

Otras preguntas

Where is the list of attribute types? O Diagram O Table O Relationship O Glossary

2. If a costing Rs. 45,000 is sold at a discount of 20%. Write the formula to find discount percent. Discount MP (b) Find the discount [1] [Ans: Rs. 9,000.(c) I

Solve (x + 1)2 – 4(x + 1) + 2 = 0 using substitution. u = x 4(x +1) x +1 (x + 1)2 Select the solution(s) of the original equation.

Find the value of the expression vw × 2 × u − 20 for u = 2, v = 3, and w = 2.

A spring is 30 cm long and extends by 5 cm for each 100 gm hung on it? What is the springs length when 300gm is hung from it?what is the springs length z when n

A bond is worth $100 and grows in value by 2 percent each half year. find the value of f(1) = 100 (1.02)²^t

heyyy guyss...how are you all??

Xjjxjxjotdriskrsktstkstkstksglwglwtlwltwtldlts

How to write a good letter to editor

Which expression is equivalent to 5^-6*5^-1