Physics
This is not correct. The answer is simply as follows: Let f* be the fundamental frequency. Then f*[(1/4)-(1/7)]=144Hz. f* = 1344 Hz
math
The number of Roberto's baseball cards is 3/4 the number of David's cards. If Roberto gives 1/2 of his cards to David, what will be the ratio of Roberto's cards to David's cards?
algebra
If a car goes 0-85mph in 500' How many seconds does it take to get there?
Math
Roger knows how many keys a piano has. He knows that some of the keys are broken. How can he find the number of keys that work?
Math
a mother wants to invest 5000 for her sons future education. She invests a portion of the money in a bank certificate of deposit which earns 4% and the remainder in a savings bond that earns 7%. If the total interest earned after one year is $300.00,how much money was invested...
Math
A bowling ball is dropped from a bridge, and it takes 7 seconds to hit the ground. How far did the bowling ball fall?
Math
2x^3-x^2-6x / 2x^2-7x+6
Math
Please factor 2x^2-xy-y^2 Briefly explain steps
Math
X^4y^3-x^2y5
math
In Samuel's sports memorabilia collection there are 27 hockey items, 36 baseball items, and 29 football items. Which pair of item classifications (hockey, baseball, football) exists in the largest ratio?
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