A physician saw 18 cases of chicken pox in the first week of an outbreak. Each week, he saw 6 more cases than the week before. After 10 weeks, how many cases of chicken pox did the physician see altogether?

a.

Write a sequence that shows the number of cases seen for each of the 10 weeks during the outbreak.

b.

Use Gauss’ method to find the sum. Be sure to show and explain your work.

Question

A physician saw 18 cases of chicken pox in the first week of an outbreak. Each week, he saw 6 more cases than the week before. After 10 weeks, how many cases of chicken pox did the physician see altogether?

  	 

 
	

a.
	

Write a sequence that shows the number of cases seen for each of the 10 weeks during the outbreak.

 

 

 

 
	

b.
	

Use Gauss’ method to find the sum. Be sure to show and explain your work.

anonymous · Answer

i need help with this answer

anonymous · Answer

If you can tell me what Gauss' method is...

anonymous · Answer

well i learned that guess methond is like for an example 1 to 100 something like that

anonymous · Answer

Gauss method is just a simple way of calculating values from a to b without making the mistake of writing out each number

anonymous · Answer

ok thank you

anonymous · Answer

ok well can someone explain me how to do this question ?

anonymous · Answer

a)18+10*6=18+60=78  cafter 10 weeks

anonymous · Answer

18 cases/week times 10 weeks = 180 cases

anonymous · Answer

ne additional group of six cases per week for 9 weeks.

anonymous · Answer

*one

anonymous · Answer

(n^2+n)/2
6((9^2+9)/2)
6((81+9)/2
3(90)
270 additional cases

270 + 180 = 450 cases total

anonymous · Answer

how?

anonymous · Answer

What do you mean how? @Fazeelayaz

anonymous · Answer

why r u dividing it by 2

anonymous · Answer

Thats the formual

anonymous · Answer

*formula

anonymous · Answer

i agree with @zordoloom