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RSB [31]
3 years ago
13

What is the expression for the sum of the first n odd numbers starting 1+3+5+.....

Mathematics
2 answers:
Reptile [31]3 years ago
7 0

Answer:

2n-1

Step-by-step explanation:

labwork [276]3 years ago
6 0

Answer:

(2n-1)

Step-by-step explanation:

The expression will be (2n-1) where n is the index of the odd number you wanna find

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7th grade math , I’ll give brainliest
Dennis_Churaev [7]

25 X 8 = 200

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PIT_PIT [208]

Answer:

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Multiplying 49 by 1/7 in the inverse operation of dividing it by 7, so they will both get the correct answer.

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How many ounces of gold are in a 16​-karat gold chain that weighs 2.6 ​ounces?
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A 16 karat gold means that there are 16 parts of gold in 24 parts of the gold chain. Therefore the weight of the pure gold is:

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