Find the average of the following numbers: * What is the average of the first n positive even numbers?

Mathematics

1 answer:

Allisa [31]3 years ago

4 0

Answer:

Step-by-step explanation:

2+4+6+8+10/n = a

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Can someone please help me

Aleks04 [339]

Answer:75

Step-by-step explanation: Find the area of the triangle which is 1/2 base times height. The base is 9 while the height is 4+5+1 which is 10. 10 times 9 is 90 and half of 90 is 45. Then find the area of the rectangle which is length times width which is 5 times 3 which is 15. Then subtract 15 from 90 which gets you the answer 75.

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2 years ago

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In a school with 350 students, three-sevenths of the students are boys. How many boys attend the school?

beks73 [17]

350 x 3/7= 150
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3 years ago

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Rzqust [24]

Answer:

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