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Killion2022
07.11.2020 •
Mathematics
What is the sum of all integers that are multiples of 4 from 1 to 150? *Show your solution*
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Ответ:
There's a pretty simple formula to follow: count of multiples
average of the multiple.
To find the average, we take the smallest multiple of 4 which is in the range of 1 and 150 which is 4 of course. And the largest would be 148 since that's the only number in the range. So now average them:![\frac{4 + 148}{2} = \frac{152}{2} = 76](/tpl/images/0877/8864/70bcb.png)
Now we find the count of the multiples which is in the range of 1 to 150. To do that, we use this formula:
Here,
is 4 so this would be:
This would give you the exclusive count of all the numbers, but we want the inclusive count so, we simple add 1 so the count would be![37](/tpl/images/0877/8864/2b003.png)
Now following the 1st formula we get:![37 * 76 = 2812](/tpl/images/0877/8864/0065b.png)
So the answer would be 2812! :D
And here's the check too:
Ответ:
well my understanding of this question is they want you to use the y=14.1x -2.3 and put the coordinates they gave you onto the line segment of y=14.1x -2.3
step-by-step explanation: