Asked by Lisa
If y is directly proportional to
x and y = 65 when x = 33, find y if x = 44
. (Round off your answer to the nearest hundredth.)
x and y = 65 when x = 33, find y if x = 44
. (Round off your answer to the nearest hundredth.)
Answers
Answered by
Reiny
y1/x1 = y2/x2
65/33 = y2/44
y2 = 44(65/33) = 260/3 or 86 2/3 = appr 86.67
or
"If y is directly proportional to x"
means y = kx
if y = 65, x = 33
65 = 33k
k = 65/33
y = (65/33)x
when x = 44
y = (65/33)(44) = appr 86.67
65/33 = y2/44
y2 = 44(65/33) = 260/3 or 86 2/3 = appr 86.67
or
"If y is directly proportional to x"
means y = kx
if y = 65, x = 33
65 = 33k
k = 65/33
y = (65/33)x
when x = 44
y = (65/33)(44) = appr 86.67
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.