Ask Question
21 January, 15:44

Which statement is true?

a. The equation - 3|2x + 1.2| = - 1 has no solution.

b. The equation 3.5|6x - 2| = 3.5 has one solution.

c. The equation 5|-3.1x + 6.9| = - 3.5 has two solutions.

d. The equation - 0.3|3 + 8x| = 0.9 has no solution.

+3
Answers (1)
  1. 21 January, 16:11
    0
    Hello,

    Answer C is the only exact affirmation

    1)

    if - 3.1x+6.9>0 then |-3.1x+6.9|=-3.1+6.9

    ==>5 (-3.1+6.9) = - 3.5

    ==>-15.5x+34.5=-3.5

    ==>x=76/31

    2)

    if - 3.1x+6.9<0 then |-3.1x+6.9|=3.1x-6.9

    ==>5 (3.1x-6.9) = - 3.5

    ==>15.5x-34.5=-3.5

    ==>x=2
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “Which statement is true? a. The equation - 3|2x + 1.2| = - 1 has no solution. b. The equation 3.5|6x - 2| = 3.5 has one solution. c. The ...” in 📗 Mathematics if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers