2 + (9*1) = 2 + 9 = 11
3
It means you multiply some quantity times 2.It means you multiply some quantity times 2.It means you multiply some quantity times 2.It means you multiply some quantity times 2.
area triangle = 1/2 base times height area trapezoid = 1/2 (sum of bases) times height
The sum of the integers from 1 to 100 can be calculated using the formula for the sum of an arithmetic series: ( S_n = \frac{n(n + 1)}{2} ), where ( n ) is the last integer in the series. Here, ( n = 100 ), so the sum is ( S_{100} = \frac{100(100 + 1)}{2} = \frac{100 \times 101}{2} = 5050 ). Therefore, the sum of the integers from 1 to 100 is 5050.
The sum of the numbers from 1 to 60 can be calculated using the formula for the sum of an arithmetic series: ( S_n = \frac{n(n + 1)}{2} ), where ( n ) is the last number in the series. For the numbers 1 to 60, ( n = 60 ). Thus, the sum is ( S_{60} = \frac{60(60 + 1)}{2} = \frac{60 \times 61}{2} = 1830 ). Therefore, the sum of the numbers from 1 to 60 is 1830.
3
What is 1/2 of four times Y plus the quantity of Y and 3
1, 2 and 3 -1, -2, and -3 6 or -6
2 times the quantity 4 greater than a number
It means you multiply some quantity times 2.It means you multiply some quantity times 2.It means you multiply some quantity times 2.It means you multiply some quantity times 2.
"3 times" 3 * "the quantity" ( something ) "2 plus a" 2 + a. Now combine. "Three times the quantity 2 plus a" 3*(2+a) multiply 2 and a by 3. (distribute) 6 + 3a
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3
n/2 times (n + 1)
The sum of 1 and 1 is 2.
Sum of first n integers is n/2 times n + 1 ie 27.5 x 56 which is 1540
area triangle = 1/2 base times height area trapezoid = 1/2 (sum of bases) times height