subject
Mathematics, 07.10.2020 14:01 dennittap

Sonny substituted 5 for x in the proportion StartFraction 16 over x EndFraction = StartFraction 48 over 15 EndFraction and cross multiplied to get 240 = 240. Why is this? because the cross sums of the proportion are equal
because the cross differences of the proportion are equal
because the cross products of the proportion are equal
because the cross quotients of the proportion are equal

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 14:30
Me #1 using vocabulary words, including the word “congruent”, state why the measure of angle d is 120 degrees. #2 what is the measure of angle e and why?
Answers: 1
question
Mathematics, 21.06.2019 16:40
What is the average rate of change for this function for the interval from x=2 to x=4 ?
Answers: 2
question
Mathematics, 21.06.2019 21:00
What would the rule be for the reflection of y=-3
Answers: 1
question
Mathematics, 21.06.2019 23:00
How many 3-digit numbers can you write using only digits 1 and 7? (of course, digits can repeat.) how many 3-digit numbers can you write using only digits 1 and 7? (of course, digits can repeat.)
Answers: 2
You know the right answer?
Sonny substituted 5 for x in the proportion StartFraction 16 over x EndFraction = StartFraction 48 o...
Questions