Translate the sentence into algebraic symbols.The sum of a number and the number decreased by four is 27.
A. x( x - 4) = 27
B. x + x - 27 = 4
C. x - ( x - 4) = 27
D. x + x - 4 = 27
E. x + 4x = 27
Answer: D
You might also like to view...
Determine the slope, if it exists, of the graph of the given linear equation.y = - 
x + 3
A. m = 
B. m = -3
C. m = - 
D. m = 3
Solve the equation. First simplify the expression by combining like terms.4(2z - 5) = 7(z + 5)
A. -15 B. 19 C. 15 D. 55
Solve the problem.A coffee can comes packed with enough ground coffee to make 66 cups of coffee. After 26 cups have been made, how many cups of coffee can be made with the remaining ground coffee?
A. 92 cups B. 40 cups C. 82 cups D. 30 cups
Use Bayes' rule to find the indicated probability.The incidence of a certain disease on the island of Tukow is 4%. A new test has been developed to diagnose the disease. Using this test, 91% of those who have the disease test positive while 4% of those who do not have the disease test positive (false positive). If a person tests positive, what is the probability that he or she actually has the disease?
A. 0.438 B. 0.487 C. 0.91 D. 0.856