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zheka24 [161]
3 years ago
9

Answer both there’s a part A and B

Mathematics
1 answer:
madreJ [45]3 years ago
3 0

Answer:

6

Step-by-step explanation:

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avanturin [10]
Choices "a" and "c" will form triangles

6 0
3 years ago
I am not sure how sigma notation works, can somebody explain how to solve this? It isn't the second choice.
Masja [62]

Answer:

first answer is correct

Step-by-step explanation:

Hello, we want to write 2 + 4 + 6 + ... + 20

for n = 1, 2n = 2*1 =2

for n = 2, 2n = 2*2=4

for n = 3, 2n=2*3=6

etc

so

\displaystyle \sum_{n=1}^{10} {2n} = 2*1 + 2*2 +2*3+2*4+...+2*10=2+4+6+8+...+20

thanks

6 0
2 years ago
5,000 tens equals how many thousands
Brilliant_brown [7]

5,000 tens = (5,000 x 10)

To find out how many thousands are in it,
just divide:

(5,000 x 10) / (1,000)  =  (5 x 10)  =  50 of them .

4 0
2 years ago
Which names are other correct names for CK<br><br> Choose all answers that are correct
PilotLPTM [1.2K]
The second and third one
7 0
3 years ago
2/3 - 5/6 - 7/9 = simplifying
ch4aika [34]

Answer:

-17/18

Step-by-step explanation:

find least common multiple, which is 18

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7 0
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