Translate the sentence into algebraic symbols.Eighteen less than three times a number is 55.
A. -3x - 18 = 55
B. 18(x - 3) = 55
C. (3 - 18)x = 55
D. -18(x - 18) = 55
E. 3x - 18 = 55
Answer: E
You might also like to view...
Compute r''(t).r(t) = (2 cos t)i + (3 sin t)j
A. r''(t) = (-2 cos t)i + (-3 sin t)j B. r''(t) = (2 cos t)i + (3 sin t)j C. r''(t) = (-2 sin t)i + (-3 cos t)j D. r''(t) = (2 sin t)i + (3 cos t)j
Translate into a system of equations. Do not solve.The sum of two numbers is -50. Five times the smaller number minus twice the larger number is -47. What are the numbers? (Let x represent the smaller number and y represent the larger number.)
A. 
B. 
C. 
D. 
Write a general term an for the sequence. Assume that n begins with 1.
, - 
, 
, - 
, . . .
A. an = 
B. an = 
C. an = 
+ 2
D. an = 
+ 2
Solve the problem.The table shows the population of a city over the past five years.
We used these data to develop the quadratic equation 
, which models the population of the city y in millions in the year x, where x = 0 represents 1995, x = 1 represents 1996, and so on. Use the model to find the estimated population in the year 1998.
A. 1,490,000,000,000 B. 1,490,000 C. 68,852,000 D. 71,628,000