03-01-2019
Mathematics

contestada

The first term of an arithmetic sequence is 4 and the tenth term is 67. What is the common difference? Show your work or explain your answer.

Respuesta :

mathecoach mathecoach

03-01-2019

Step-by-step explanation:

a1 = 4

a2 = 4 + c

a3 = 4 + 2c

a10 = 4 + 9c = 67 --> c = 7

(1, 4) ; (10, 67)

m = (y2 - y1) / (x2 - x1) = (67 - 4) / (10 - 1) = 63/9 = 7

Answer Link

Otras preguntas

Find the quotient 12,3 a. 15 b. 4 c. 2 d. 9

what is 15.5 as a decimal

What is the acceleration of a 10kg mass pushed by a 5N force?

(4*10^8)^ simplify expression write in scientific notation 1.6*10^7 16*10^16 8*10^17 1.6*10^16

During working hours an electrician should not wear a. shoes with rubber-type soles and heals. b. a wristwatch or ring. c. a long sleeve shirt. d. a Class B

A _______ is the range in which the music is presented. A. hemiola B. register C. head D. sequence

one mole is equal to how many particles

what percent of 20 is 11

Of the following nations, which was the least satisfied with the outcome of the Treaty of Versailles? a. Italy b. France c. Germany d. The United States

Which sentence contains italicized words that are used as an infinitive phrase? A. Jane parked her car behind a truck. B. Mark wanted to go, but not today. C. K