kcanklisha
kcanklisha kcanklisha
  • 12-07-2021
  • Mathematics
contestada

If the common difference of an ap is 3/2 and its 20 th term 35×1/2 find first term and 15 th term
​

Respuesta :

DWRead
DWRead DWRead
  • 16-07-2021

Answer:

Step-by-step explanation:

d = 3/2

a₂₀ = a₁+19d

35/2 = a₁ + 19×3/2

a₁ = 35/2 - 19×3/2 = -11

a₁₅ = a₁+14d = -11 + 14×3/2 = 10

Answer Link

Otras preguntas

Vladimir hit a home run at the ballpark. A computer tracked the ball's trajectory in feet and modeled its flight path as a parabola with the equation, y = -0.00
5- Determine o tipo de fenômeno que ocorre: ( ) Colisão entre dois carros. ( ) Queda de uma folha de uma árvore. ( ) Queima de uma árvore. ( ) Cozimento de um b
Who is the current United States president?
Find the mean of10, 15, 20, 25, 30, 35,40,41​
how do I do this question​
Sketch the graphs using 3 points that belong to it...-3x+2-3x-2Answer this problem too pls15/17 + 3/16 + 2/17 + 13/16=?+30pts and Brainliest QUICK PLS!
Sandy mixed together 9 gallons of one brand of juice and 8 gallons of a second brand of juice, which contains 48 percent real fruit juice. Find the percent of r
HELP ASAP PLEASEEEE In a population of cats, a gene that controls an observable trait has several different alleles. Which of the following best explains how ge
Preguntas divertidas;-;Cuantos años tienen?Como te llamas?De donde son?​
help me now i need this question right away