30 + 10 + 5 + 5 = 50
5 + 5 + 5 = 15
69 its so freakin easy
(5+5) + (5-5) + (5 + 5 - 5) + (5 x 0) = 10 + 0 + 5 + 0 = 15
31
72x - 50y + 52z = -188-- At the x-intercept, 'y' and 'z' are zero.72x = -188x = -2.611...-- At the y-intercept, 'x' and 'z' are zero.-50y = -188y = 3.76-- At the z-intercept, 'x' and 'y' are zero.52z = -188z = -3.615 (rounded)
Note that the reason there exists a technique called multiplication is so that we do not have to perform tedious and lengthy series of addition such as the one you have presented. So, you have given us 24 of the number 5 to add. 24 x 5 = 120. (Addition form) 5 + 5 + 5 + 5 + 5 + 5 + 5 + 5 + 5 + 5 + 5 + 5 + 5 + 5 + 5 + 5 + 5 + 5 + 5 + 5 + 5 + 5 + 5 + 5 = 120
Thirty
5 + 5 + 5 + 5 + 5 + 5 + 5 + 5 + 5 + 5 + 5 = 55
4 + 6 + 6 + 5 + 5 + 4 + 6 + 5 + 5 + 6 + 5 + 5 + 5 + 3 = 70
5 + 5 + 5 + 5 + 5 + 5 = 30
5 + 5 + 5 + 5 + 5 + 5 + 5 + 5 + 5 = 45, the shorter version is 5*9.
If you put the numbers in order it is: 0, 0, 1, 2, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 6, 6, 7, 7, 7, 7, 8, 9. Since there are 25 numbers, we are looking for the thirteenth number, which is 5.
9*5=45 or 5+5+5+5+5+5+5+5+5=45 or1*5*9=45
65
Just think, 5 x 7= 35.
25.