erikaz12 erikaz12

11-01-2022
Mathematics

contestada

Find the 7th term of the arithmetic sequence 4x + 5, 11x + 9,18x + 13, ...

Respuesta :

reinhard10158 reinhard10158

12-01-2022

Step-by-step explanation:

we see the common difference is

a2-a1 = 11x + 9 - 4x - 5 = 7x + 4

an = an-1 + (7x+4) = a1 + (n-1)×(7x+4)

for a7 we have then

a7 = 4x + 5 + 6×(7x +4) = 4x + 5 + 42x + 24 = 46x + 29

Answer Link

Otras preguntas

The probability that she will toss tails and a number less than 3

which of the following statements about risk management is true? A. risk management is concerned with reducing exposure to legal. B. risk management is spontane

4. Where on an animal would you look for the popliteal lymph node?

The circle graph shows how a family spends its annual income. If $26,450 is used for Auto and Entertainment combined, what is the total annual income? housing 2

Define f(1) in a way that extends (S^3-1)/(S^2-1) to be continuous at S=1

Find an equation for the line tangent to the circle x^2 +y^2=25 at the point (3, -4)

Can you check my work please!! And don't joke about it! Thanks

Who was involved in the growth of technology during the industrial revolution?

Write a well-crafted topic paragraph discussing how either Achebe or Silko uses setting, characters, or plot to communicate the theme of continuity and change i

√252 + 5√6 + √294 - 3√1/6