16
a=b=3.60555
11, 14, 19, 26 and 35.
4x = -36 x = -9
15x26=390
8^*2) + b^(2) = 18^(2) Algebraically rearranger b^(2) = 18^(2) - 8^(2) Remember two squared terms with a negative (-) between them factors to b^(2) = (18 - 8)( 18 + 8) b^(2) = 10( 26) b^(2) = 260 b = +/- sqrt(260) b = +/- 16.124....
a=b=3.60555
It works out exactly as: 7 times the square root of 26
No answer in integers. Quadratic formula gives roots of x2 + x - 26 = 0 as 5.625 and -4.625
2 times 13 = 26 26 also = 1 squared + 5 squared
26
11, 14, 19, 26 and 35.
x2 = (26 + x)2 Taking square roots: x = +/-(26 + x) Then x = 26 + x or x = -26 -x The first gives a nonsense "equation" 0 = 26 but the second gives 2x = -26 or x = -13
It is an equation and the value of x works out as 88
4x = -36 x = -9
15x26=390
8^*2) + b^(2) = 18^(2) Algebraically rearranger b^(2) = 18^(2) - 8^(2) Remember two squared terms with a negative (-) between them factors to b^(2) = (18 - 8)( 18 + 8) b^(2) = 10( 26) b^(2) = 260 b = +/- sqrt(260) b = +/- 16.124....
To add 26 and 17 using the common core method with mental math, you can break the numbers into tens and ones. First, add the tens: 20 (from 26) plus 10 (from 17) equals 30. Next, add the ones: 6 (from 26) plus 7 (from 17) equals 13. Finally, combine the two results: 30 plus 13 equals 43. Thus, 26 plus 17 equals 43.