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2t+3
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∙ 12y ago
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Twice the sum of s and t decreased by s?
2 + s(t) -s
What is the answer to 3 times the sum of t and 7?
3*(t + 7) or 3t + 21
How would you write the quotient of twice a number t and 12?
2t/12
How do you factor the expression t plus 3 cubed?
(t+3)3 is already factored. Could write it as (t+3)(t+3)(t+3).
What is O T 3 T a L?
Once, Twice, Three Times a Lady (song - the Commodores)
Recursive function in c to compute the number of nodes in a binary tree?
int Nodes (Tree *t) { int sum= 0; if (t) { sum+=1; if (t->left) sum += Nodes (t->left); if (t->right) sum += Nodes (t->right); } return sum; }
What is t sum of 2 to the power of 4 and 7 to the power of 2 Write the answer in standard form?
16 + 49 = 65
Write a programme in BASIC to find the sum of first fifty numbers entered through the keyboard?
10 for t = 1 to 50 20 input a 30 c = c + a 40 next t 50 print c
John is twice as old as Jane was when he was as old as she is now the sum of their ages is 63 How old are John and Jane?
John is 36, Jane is 27 When he was 27, she was 18. The algebraic solution to the equation: Let A = John and B = Jane, and time t = A - B (difference in ages) If t years ago, John was twice as old A = 2 (B - t) and substitute A - B for t A = 2B - 2A + 2B 3A = 4B A = 4/3 B and since A + B = 63 4/3 B + B = 63 7/3 B = 63 B = 21 and A = 28
The first and fourth terms of a geometric progression are 54 and 2 respectively Find the sum to infinity of the geometric progression?
t(1) = a = 54 t(4) = a*r^3 = 2 t(4)/t(1) = r^3 = 2/54 = 1/27 and so r = 1/3 Then sum to infinity = a/(1 - r) = 54/(1 - 1/3) = 54/(2/3) = 81.
I'm once in twice, I am twice in twelth. What am I?
T
The sum of 8 and t?
8
