SOLUTION: Which one of the following statements expresses a true proportion? 1. 2:3 = 3:2
2. 14:6 = 28:18
3. 3:5 = 12:20
4. 42:7 = 6:2
Algebra.Com
Question 175111: Which one of the following statements expresses a true proportion? 1. 2:3 = 3:2
2. 14:6 = 28:18
3. 3:5 = 12:20
4. 42:7 = 6:2
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Which one of the following statements expresses a true proportion? 1. 2:3 = 3:2
2. 14:6 = 28:18
3. 3:5 = 12:20
4. 42:7 = 6:2
---------------
Only #3 does.
Multiply the outsides by the insides (means times extremes). They have to be equal if it's a proportion.
For #3, 3*20 = 5*12
RELATED QUESTIONS
Which of the following statements is true?
1)-18 > -5
2)-5 > -0.5
3)-5 > 0
4)-5 > -18
(answered by johanly8)
Mrs. Stephens wrote 4 statements on the board and asked the class which one was true.... (answered by Fombitz)
A cute otisis media, an infection of the middele ear, is a common childhood illness.... (answered by haileytucki,Alan3354)
Solve and determine whether if it’s a proportion or not. Write YES or NO.
11. 2/3... (answered by josgarithmetic)
What are the answers to all of these questions?
1. -6k+7k 2. 12r-8-12
3.... (answered by Fombitz)
Which of the following statements is true ?
(1)-18>-5
(2)-5>-0.5
(3)-5>0
(4)-5>5x5... (answered by Boreal)
2 3 4 15 12
3 4 5 28 20
4 5 6 X 30
5 6 7 66 42
6 7 8 91 56
Find... (answered by Tatiana_Stebko)
Find the values of x:
|9x + 9| = 18
|-2x + 3| = 15
|-5x + -2| = 12
|8x + -2|... (answered by Alan3354)
4. Place parentheses, if needed, to make each of the following equations true:
a.... (answered by richard1234,karaoz)