WebThe factorization method is used directly here. y 2 – 45y + 500 = 0 (y – 20) (y – 25) = 0 y = 20 or y = 25 When y = 20, according to the relationship between x and y, we can calculate the value of x. x = 45 – y = 45 – 20 = 25 When y = 25, the same operation can be used to calculate x = 20. Therefore, the two numbers are 20 and 25. WebFind four numbers in A.P. whose sum is 20 and the sum of whose squares is 120 Advertisement Remove all ads Solution Let the numbers be (a – 3d), (a – d), (a + d), (a …
4 times the sum of a number and 20 Wyzant Ask An Expert
WebIf we let one of the numbers be x, then the other number must be 20 − x. So, we want to find the value of x that maximizes the product of x and 20 − x. To find this value, we can take the derivative of the product function and set it equal to zero: f ( x) = x ( 20 − x) ⇒ f ( x) = 20 x − x 2 Now differentiate with respect to x ⇒ f ′ ( x) = 20 − 2 x WebJan 11, 2024 · Computer Science and Mathematics professional. See tutors like this. 'Sum of a number and 20': n+20. '4 times' that sum: 4 (n+20) Upvote • 0 Downvote. Add … sticker wrapping
Sum of Four Consecutive Integers Calculator - Math Celebrity
WebJan 3, 2016 · Here is a simple solution in Python that produces all possible results in lexicographic order: resultList = [] for a in xrange (1,98): for b in xrange (1,98): for c in xrange (1,98): d = 100 - a - b - c if d > 0 and a <= b <= c <= d: resultList.append ( [a,b,c,d]) WebFor example, “Find four numbers whose sum is 20.” A single answer but with many pathways to a solution. For example, “There are 10 animals in the barnyard, some chickens, some pigs. Altogether there are 24 legs. How many of the animals are chickens and how many are pigs?” WebJan 8, 2011 · def subset_sum (numbers, target, partial= []): s = sum (partial) # check if the partial sum is equals to target if s == target: print "sum (%s)=%s" % (partial, target) if s >= target: return # if we reach the number why bother to continue for i in range (len (numbers)): n = numbers [i] remaining = numbers [i+1:] subset_sum (remaining, … stickercb.com