Solve the problem. An arithmetic sequence has a 1 = -6 and a 9 = 18. Find

Question:

Solve the problem.

An arithmetic sequence has a₁ = -6 and a₉ = 18. Find a₇.

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For answer-question

College Algebra

ISBN: 978-0134697024

12th edition

Authors: Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels

See More Books

Question Posted: Apr 11, 2019 07:49 AM

See More Questions

Determine the indicated term for the sequence described. An arithmetic sequence has a 1 = 1 and a 3 = 25. Find a 5 .
An arithmetic sequence has a starting term, u0, of 6.3 and a common difference of 2.5. a. Write an explicit formula for the sequence. b. Use the formula to figure out which term is 78.8.
Determine the indicated terms for the sequence described. An arithmetic sequence has a 5 = -3 and a 15 = 17. Find a 1 and a n .
Calculate x (1, 3) and y (1, 3) for (x, y) = 7x + y 2 .
At January 1 (beginning of its fiscal year), Conover, Inc., a financial services consulting firm, reported the following account balances (in thousands of dollars, except number of shares and par...
On January 1, 20X1, Beard Company purchased a machine for $620,000. The machine is expected to have a 10-year life, with no salvage value, and will be depreciated by the straightline method. On...
Briefly explain how the following programs would affect the elasticity of demand for labor in the steel industry: a. An increased tariff on steel imports. b. A law making it illegal to lay off...
Wescott Company has three divisions: A, B, and C. The company has a hurdle rate of 8 percent. Selected operating data for the three divisions are as follows: Wescott is considering an expansion...
In some ways, a qualitative portfolio manager could never really be an index portfolio manager, whereas a quantitative portfolio manager could be. Explain why.
The stem-and-leaf display shows populations of the 50 states, in millions of people, according to the 2010 census. a) What measures of center and spread are most appropriate? b) Without doing any...
Write the first five terms of the sequence. State whether the sequence is arithmetic, geometric, or neither. a 1 = 5, a 2 = 3, a n = a n-1 + 3a n-2 , for n 3
Solve the problem. Find the sum of the first ten terms of each series described. (a) arithmetic, a 1 = -20, d = 14 (b) geometric, a 1 = -20, r = -1/2
Determine the theoretical hydraulic detention time and volume of a completely mixed reactor with recycle to be used in an activated sludge treatment plant operating at steady state if the following...
What reimbursement methods do private insurers commonly use?
What is a generic definition of risk?
Suppose that the equation for a particular short-run AS curve is P 5 20 1. 5 Q, where P is the price level and Q is real output in dollar terms. What is Q if the price level is 120? Suppose that the...
Should preferred stock be considered as equity or debt financing? Explain your answer.
Define the stated rate, the periodic rate, and the effective annual rate.
(a) Derive a formula for the fraction of kinetic energy lost, KE/KE, in terms of m and M for the ballistic pendulum collision of Example 7-9. (b) Evaluate for m = 18.0g and M = 380 g.
Explain the buyers position in a typical negotiation for a business. Explain the sellers position. What tips would you offer a buyer about to begin negotiating the purchase of a business?
In Exercises 4655, graph the solution set of each system of inequalities or indicate that the system has no solution. [x + y 9 ly < 3x + 1
Find the partial fraction decomposition for 2/x(x + 2) and use the result to find the following sum: 2 2 1.3 3.5 + 2 5.7 2 99.101
In Exercises 4752, solve each system by the method of your choice. 11 || -| + -14 || 1
(14%) Problem 6: A ring planet of radius R has a mass M. A space ship with mass m is at point P, a distance x from the center of the ring along its central axis, as shown in the figure. R x- P A 17%...
On July 1, Arcola Company purchases equipment for $330,000. The equipment has an estimated useful life of 10 years and expected salvage value of $40,000. The company uses straight-line depreciation....
(14%) Problem 5: The figure shows a spaceship that fires an instrument package of mass select part at a planet with mass M=1.4E26 kg and radius R=1300 km. The spaceship is a distance 5R from the...

Solve the problem. An arithmetic sequence has a 1 = -6 and a 9 = 18. Find

Question:

Step by Step Answer:

a 6 ag 18 Using t...View the full answer

College Algebra

Students also viewed these Mathematics questions