Ok, so let x be the number and write the word phrase as an equation....
1/(x-4)=2(1/x)
1/(x-4)=2/x
Flip them...
x-4=x/2
times 2...
2x-8=x
move the x, so...
x=8
And your welcome ^-^ (asian brain power)
1/(x-5) = 4/(2x)4(x-5) = 2x4x - 20 = 2x2x = 20x = 10_______________________________Check:1/(10-5) ?=? 4/(2x10)1/5 ?=? 4/201/5 = 1/5 yay!
When the number is between 0 and 1, or less than -1
If the number is n then twice the number is 2n and 7 less than twice the number is 2n - 7This could also be a boolean variable based on another variable. If the number is less than or equal to 3.5, the variable is false. Otherwise, it is true.
One less than twice a number = (X times 2) minus 1, (where X = your number of choice).
A mixed number must have an integer part (and a fractional part). Consequently, a mixed number must be greater than one. The reciprocal of a number greater than one is less than one (and conversely) since the two, when multiplied together, make 1.
10
When a number is a fraction, the reciprocal will always be greater than the original number. When the original number is a whole number, the reciprocal will be a fraction, which is less than a whole number.
6
Reciprocal of any non - zero number [other than 1 (because reciprocal of 1 is 1)]is always less than '1' .============================The first contributor disputes the change:Sorry, Anu. What about the non-zero number 0.5, whose reciprocal is 2 ? ? ?
Let the number be x Twice a number means 2x 7 less than twice a number means 2x-7
Suppose the number is x. Then 1/(x-5) = 4*(1/2x) Multiply both sides by x*(x-5) to give: x = 4*(x-5)/2 = 2*(x-5) = 2x - 10 and so x = 10
Yes
No - the ONLY natural number which has a reciprocal which is also a natural number is "1". All the other reciprocals of natural numbers will be fractions that are less than 1.
1/(x-5) = 4/(2x)4(x-5) = 2x4x - 20 = 2x2x = 20x = 10_______________________________Check:1/(10-5) ?=? 4/(2x10)1/5 ?=? 4/201/5 = 1/5 yay!
When the number is between 0 and 1, or less than -1
Anything less than or equal to 74. 37, for example, goes into 74 twice, and 74 goes into itself once.
If the number is n then twice the number is 2n and 7 less than twice the number is 2n - 7This could also be a boolean variable based on another variable. If the number is less than or equal to 3.5, the variable is false. Otherwise, it is true.