1-39 ODD: 1,3,5,7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39 Now you'd add them all up. 1+3+5+7+9 = 25 11+13+15+17+19 = 75 21+23+25+27+29 = 125 31+33+35+37+39 = 175 Add the totals: 25+75+125+175 The answer would be 400.
Step 1 gives you 3*(4x - 2) on the left hand side.
When you remove the brackets what you get is 3*4x - 3*2 12 x - 6 You have to distribute on both sides of the plus sign. The answer is the second one down.
Answer: 10^3 Step-by-step explanation: any time you see a number for example 7^6 you always start with those first when you have a math question like the one on the screenshot