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What is the LCM of 24 and 38?
The LCM is 456.
How many liters of a 7 percent solution of salt should be added to a 19 percent solution in order to obtain 456 liters of a 15 percent solution?
This is an algebra problem. There will be 2 equations and 2 unknowns. Let x = amount of 7% solution, and y = amount of 19% solution. .07x + .19y = .15*456. x + y = 456; or x = 456-y which will substitute into the first equation. .07(456-y) +.19y = .15*456. 31.92-.07y+.19y = 68.4. .12y = 36.48. y = 304L (amount of 19% solution to add). x = 456-y. x = 456 - 304. x = 152L (amount of 7% solution to add).
What is the bar notation for 0.134 561 345 613 456?
Well, isn't that a lovely number you have there! The bar notation for 0.134 561 345 613 456 would be 0.134561345613456 with a bar over the last three digits, indicating that the pattern repeats. Just like painting a happy little tree, math can be a beautiful and calming experience when you see the pattern unfold.
What is the square root of 207936?
sqrt of 207936 = 456
What is the annual interest rate if 1600 is invested for 6 years and 456 in interest is earned?
Use the formula I = P x R x TWhere I=interestP=principal investmentR=interest rateT=time in yearsIn this case, we want to know R, so re-arrange the formula to get:R = I / (P x T)=456/ (1600x6)=456/9600=0.0475=4.75%
