Answer:
15150 is the required sum.
Step-by-step explanation:
Gauss method of summing sequences like this is to add the first term to the last term, the second term to the second to the last term and so on until you get to the middle. By doing this, you will always get the same sum. Then you divide the number of terms by two, because you are technically adding the first half of the sequence to the second half. You then multiply the sum of each pair that gave the same number with the number of terms that has been divided by 2. For this problem we have:
3 + 300 = 303
6 + 297 = 303
9 + 294 = 303
and so on.
100÷ 2 = 50.
Therefore we have 50 * 303 = 15150 is the required sum.
3 x + 3 (x + y)
3 (2 x + y)
6 x + 3 y
y = -2 x
y = -2 x (3 (x + y) + 3 x) = 6
(3 (x + y) + 3 x) = 3
(3 x + 3 (x + y)) dx = 3 (x^2 + x y) +
(x^2 + y^2<R^2)(3 (x + y) + 3 x) dx dy = 0
(3 x + 3 (x + y)) dy dx = 0
Step-by-step explanation:
Hope this helps ツ
Answer:
1. using the distributive property, the two-thirds would be multiplied to 14x and to –3. 2. combining four-fifths + 5 can be done before multiplying it by 3x. 3. subtracting 3x is the same as adding –3x. (A, B, & E)
Step-by-step explanation:
just finished this lesson lol
Answer:
√13 ≈ 3.61
Step-by-step explanation:
The distance formula is applicable.
d = √((x2-x1)² +(y2-y1)²)
AD = √((0-2)² +(1-4)²) = √(4+9) = √13
AD ≈ 3.605513 ≈ 3.61
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The trapezoid is isosceles, so AD and BC are the same length, 3.61.
