There is no sequence of adds or subtracts of 5, 6, 8, 9, and 10 that sum to 1. Check it with this C++ code... for (int i=0; i<32; ++i) { int sum = 0; if (i&1) sum += 5; else sum -= 5; if (i&2) sum += 6; else sum -= 6; if (i&4) sum += 8; else sum -= 8; if (i&8) sum += 9; else sum -= 9; if (i&16) sum += 10; else sum -= 10; cout << i << " " << sum << endl; }
425
2/5 + 2/4 = 9/10 9/10
4+5=9
19
There is no sequence of adds or subtracts of 5, 6, 8, 9, and 10 that sum to 1. Check it with this C++ code... for (int i=0; i<32; ++i) { int sum = 0; if (i&1) sum += 5; else sum -= 5; if (i&2) sum += 6; else sum -= 6; if (i&4) sum += 8; else sum -= 8; if (i&8) sum += 9; else sum -= 9; if (i&16) sum += 10; else sum -= 10; cout << i << " " << sum << endl; }
15+66=79 easy way = 10+60=70 5+6=9 70+9=79 or just use maths in your head its a simple equation
425
The sum of those fractions is 9 over 10 or 9/10.
Firstly what is sum and product in maths They are terms used in maths, another way of saying total The term for the total in + Addition======Sum x Multiplication===Product - Subtraction====Difference / Division====== Quotient (sorry about the computer sign for division, when will manufacturers sort it) The answer = 9, 16, 21, 24, 25 why? well Pairs of numbers with the sum of 10 are:- 1+9=10 2+8=10 3+7=10 4+6=10 5+5=10 so that means therefore 1x9=9 2x8=16 3x7=21 4x6=24 5x5=25 So the products or totals of these pairs of numbers are 9,16,21,24 and 25 Dont forget you can also reverse the sums as well, but it won't change my answer. What I mean is, mirror the sums (I am sure you know this but) 1+9 is the same as 9+1 and so on as is 1x9 is the same as 9x1 and so on Do you see this (I am sure you did) but for our younger viewers I thought it was worth mentioning Good luck with your Year 5 Maths everyone
If by "smaller than ten" you mean closer to zero than 10, then sum = -9 + -7 + ... + -1 + 1 + ... + 7 + 9 = 0 If you mean the numbers less than 10, then: sum = 9 + 7 + ... + 1 + -1 + -3 + ... = -∞ If you mean the counting numbers less than 10, then: sum = 1 + 3 + 5 + 7 + 9 = ½ × 5 × (1 + 9) = ½ × 5 × 10 = 25
Sum = 69Count = 10So mean = sum/count = 69/10 = 6.9Sum = 69Count = 10So mean = sum/count = 69/10 = 6.9Sum = 69Count = 10So mean = sum/count = 69/10 = 6.9Sum = 69Count = 10So mean = sum/count = 69/10 = 6.9
2/5 + 2/4 = 9/10 9/10
Well, well, well, someone needs a math lesson! The sum of 9 and 5 is 14. It's not rocket science, darling. Just add 'em up and there you have it.
5,6,2,3,9 has a greater sum than 10,4,5,1 and 2 which has a sum of 22.
9 2/5 + 10 3/10 9 4/10 + 10 3/10 = 19 7/10
10, 9, 8, 7, 6 or 11, 9, 8, 7, 5 etc