what denminator for 21/3=49/_ would

what denminator for 21/3=40/_ would make these ratios proportional?
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2. asked by madsnnkld
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what denminator for 21/3=49/? would make these ratios proportional?
1. 1 answer
2. 101 views
what denminator for 21/3=49/_ would make these ratios proportional?
1. 1 answer
2. 59 views
Rationalize the denminator in the expression:1/(1+(sqrt of 3)-(sqrt of 5)) and thenn... A=2PIr^2 + 2PIrh *solve for positive r
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2. asked by alk
3. 820 views