22 December, 13:34
What is the perimeter of a triangle with side lengths of 9, 12, and 4x?
2. 25 + x
4. 21 + 4x
22 December, 15:32
The answer is 21 + 4x.
You find this answer by adding up all the sides.
9+12+4x = 21+4x ... you don't add 4x because it has a variable that we do not know of the value.
Know the Answer?
New Questions in Mathematics
According to the income effect, when the price of automobiles rises, people buy fewer automobiles because a. the nominal amount of their paychecks is smaller. b. the purchasing power of their income is reduced. c.
What category of criminal act would a driver who received a speeding ticket be classified as? a. petty offense c. felony b. misdemeanor d. civil
Is the sequence 3,12,36, a geometric sequence? explain
What is 1/3 added to 1/4
The formula for the nth term of an arithmetic sequence can be found using the formula an=a1 + (n-1) d. Which of the following is equivalent to this equation? A) n=an+a1 B) n=an+a1-d/d C) n=an-a1 D) n=an-a1+d/d
» What is the perimeter of a triangle with side lengths of 9, 12, and 4x? 1. 25 2. 25 + x 3. 21x or 4. 21 + 4x