Dan108 Dan108
  • 10-01-2017
  • Mathematics
contestada

If y varies directly as x, and y=21 when x=9, find x when y=52.5

Respuesta :

BunnyKing123
BunnyKing123 BunnyKing123
  • 10-01-2017
when y=21 and x=9
21/9
which means that to go from x to y, you multiply x by 2.33
2.33x=y

2.33x=52.5
divide both sides by 2.33
x=22.53 (when rounded) 

so when y=52.5, x=22.53
Answer Link
josuestanleymds
josuestanleymds josuestanleymds
  • 10-01-2017
21_____9
52.5_____x

X:52.5 * 9 / 22.5
X: 472.5/21
X: 22.5
Answer Link

Otras preguntas

What is the function of the gerund phrase in this sentence? walking in the deep snow made me feel as if i were on the cover of a christmas card?
Which numbered pair of phrases
The solution set for the equation y 2 - 144 = 0 is {-12} {-12, 12} {72}
Which of Napoleon's policies were in consistent with the general principles of the enlightenment
All countries have what type of economy? A. Command B. Mixed C. Traditional D. Market
Please help! A certain requires 4 1/5 cups of flour and 2 3/7 cups of sugar. a) If 4/9 of the recipe is to be made, how much sugar is needed? b) If the ab
What factors played a role in the origins of agriculture?
9,000g equals how many kg
What's the most reasonable way to get the opinions of experts on any written topic? A.contact their publisher B. Contact via email C. Call and set up interviews
a measure of technological evolution is the web year which is