jessie342 jessie342

15-09-2020
Mathematics

contestada

Find the 1st term of a sequence if the common difference = -2 and the 13th term =59

Respuesta :

mhanifa mhanifa

16-09-2020

Answer:

83

Step-by-step explanation:

Formula for 13th term:

t(13) = a + 12d, where a- first term, d- common difference

Given

t(13) = 59
d = -2
a = ?

As per the formula for 13th term:

59 = a + 12*(-2)
59 = a - 24
a = 59 + 24
a = 83

Answer Link

Otras preguntas

What was one effect of the popularity of suburbia in the1950s? Whites moved out of the cities, taking their wealth with them. Housing prices shot up, and soon t

Which Asian country defeated Russia in war and gained control of Manchuria and Korea? A. Indochina B. Thailand C. Japan D. Taiwan my guess B

A pack of 9 toilet rolls costs £4.23 A pack of 4 toilet rolls costs £1.96 Which pack gives the better value for money

A form of discrimination that is upheld by the law is called _____. de facto segregation legal discrimination Jim Crow laws subjugation

The location of the famous stand by three hundred Spartans against the Persian army is called _____. A. Marathon B. Thermopylae C. Hellespont D. Salamis

What is five fourths to the fourth power? (5/4)^4

Aristotle A. tutored Alexander the Great B. condemned to death by poison C. thought philosopher-kings should run the government

A form of discrimination that is upheld by the law is called _____. de facto segregation legal discrimination Jim Crow laws subjugation

why do you add a zero when multiplying two digit by two digit numbers?

3x over x + 2 = 5 over 9