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What is the method used in simplifying '2k minus 3 brackets h minus 5kbrackets'?
2k - 3(h - 5k) = 2k - 3h + 15k = 17k - 3h
Can someone prove that 2 raised to the k equals 2 raised to the k plus 1 minus 1 by induction?
Is the following what you are claiming? 2k = 2k+1 -1 20 not equal 20+1 - 1 21 not equal 21+1 -1
What is 6K plus 4K minus 3L?
2k - 3l
Show that n factorial is greater than or equals to 2 the power of n for n greater than or equal to 4?
For n = 4, 4! = 4*3*2*1 = 24 and 24 = 2*2*2*2 = 16 So the statement is true for n = 4. Suppose it is true for n = k, that is, k! > 2k Then (k+1)! = (k+1)*k! > (k+1)*2k (since k! > 2k) > 2*2k (since k >= 4 > 2) = 2k+1 So if the statement is true for n = k then it must be true for n = k+1. Therefore, since it is true for n = 4 it must be true for all n > 4.
Why is the sum of two prime numbers greater than two never prime?
Consider prime numbers p1, p2 greater than 2. Since p1 and p2 are prime and greater than 2, they are both necessarily odd. Hence, they are of the form: p1 = 2k+1, p2 = 2j+1, where j and k are positive integers. Their sum is then: p1+p2 = (2k+1)+(2j+1) = 2k+2j+2 = 2 (k+j+1). So 2 divides their sum, hence the sum can't be prime
What does a 2k walk equal?
A 2000 metres walk.
9 minus 2k-3 equals k show work and solve?
9 - 2k - 3 = k Add 2k to both sides: 9 - 3 = k + 2k Combine like terms: 6 = 3k Divide both sides by 3: 2 = k
What is the equation of 2k equals 5k-30?
2k = 5k-30 Subtract 5k from both sides: -3k = -30 Divide both sides by -3 to find the value of k remembering that a minus divided into a minus becomes a plus: k = 10
What does odd X even equal?
Let even be of the form 2k and odd be of the form 2k+1. Then odd * even becomes 2k*2k+1, or 4k^2 +2k. This can be written as 2(k^2 + k), which is of the form 2k. Therefore, odd X even equals even.
What is the answer for this 9K -11K?
20
Is 2K plus Br2 and 2KBr balanced?
The equation 2K + Br2 -> 2KBr is balanced as there are equal numbers of atoms of each element on both sides of the reaction.
What does k equal in 10 - 2k4?
If you mean: 10-2k = 4 then k = 3
