A number multiplied by three equals 21. find the number

Let x=the number

A student read a total of 72 books over the course of a year. Since there are 12 months in a year, how many books did the student average each month? books

A pair of fair dice each numbered 1 to 6 is tossed. Find the probability of a score of a. Two odd numbers b. A sum of 8 or sum of 12

How much energy, in joules, is released when 17 kilograms of granite is cooled from 45°C to 21°C?

local Readers Club has a set 36 hardback books and a set of 30 paperback books each set can be divided equally among the club members what is the greatest possible number of club members

How many minutes are in a Week? How many minutes are in a Week? 2 following 23 answers 23 Report Abuse Are you sure you want to delete this answer? Yes No?

Diane received 300 votes in the election for student council president. That was 60% of the students who voted election. How many students voted in the election?

Find two values of c in ( - π / 4, π / 4) such that f (c) is equal to the average value of f (x) = 2 cos (2x) on ( - π / 4, π / 4). Round your answers to three decimal places.

Earned at least $125 working at the mall for 13 hours last week. How many dollars per hour does Max earn? Identify the number (s) that are included in the solution set. A. 12 B. 10 C. 8 D. 9

A contractor is tiling the bottom of a round fish pond with 1-inch square tiles that cost $0.04 each. the fishpond has a diameter of 120 inches. how much will he spend on tiles?

What does the graph of an equation reveal about the solutions to the equation? How do you solve a system of equations approximately using graphs and tables?