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qwelly [4]
3 years ago
12

Find the sum of the first 25 terms of the arithmetic sequence.

Mathematics
1 answer:
Marta_Voda [28]3 years ago
3 0

Answer:

Step-by-step explanation:

\frac{n}{2}*(a+l)=\frac{25}{2}*(100+220)\\\\=\frac{25}{2}*320=\frac{25*320}{2}\\\\=25*160=4000

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4 0
2 years ago
Wendy is helping her mom put candy in 217 giftbagd. Each bag has 7 pieces of candy. She already put 58 pieces of candy in the ba
Ganezh [65]

Answer:

406 pieces. If you multiply 58 times 7 you get 406. 406 divided by 58 is 7.

4 0
2 years ago
5. Ms. Peterson earns $18 per hour as a softball team coach and $25 per hour as a math tutor. Last week, she worked
AVprozaik [17]

Answer: 18,20

Step-by-step explanation:

3 0
2 years ago
If 5\9 of a tank can be filled in 2 minutes, how many minutes will it take to fill the whole tank?
Blizzard [7]

Answer:

It would take 3.6 mins.

Step-by-step explanation:

In order to find this, we simply divide the amount of time by the amount of the tank that is filled.

2 ÷ 5/9 = 3.6

7 0
2 years ago
I got 77 for my total answer. I correct? if not can some help​
mote1985 [20]
Yes you got it correct.
8 0
3 years ago
Read 2 more answers
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