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

What did Nixon’s “new federalism” establish? It regulated workplaces to make them safer for workers. It fought against rising foreign competition in heavy indus

Ana no puede hablar

Please help on this one?

How do you verify this trigonometric identity? cos^2 θcot^2 θ = cot^2 θ - cos^2 θ

What is 3(4 plus 7) -5•4 divided by 2

Look at the diagram below. Phosphate Base Sugar What kind of molecule is represented in the diagram? O A. A fatty acid O B. A nucleotide O C. A lipid OD. A carb

Complete the equation of the line through (-1,6) and (7,-2) Use exact numbers.

Why does warm soda go flat faster than chilled soda?

Which is a sustainable practice? A. Wind farms B. Clear cutting C. Flood irrigation D. Overfishing

State statutes that prevented women from voting were declared constitutional in the case of which one? a. minor v. happersalt b. munn v. illinois c.wabash v. s