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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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Lena got three “hits” in her last seven times at bats, so her chance of getting a hit is 3/5. Theoretical or Experimental?
ZanzabumX [31]

Answer:

HMM LOOKS LIKE A FRACTION PROBLM IM NOT SURE KIND OF TIERD RN SO UM  .........3x+7=3/5 try this in calculated

Step-by-step explanation:

✌

6 0
3 years ago
A. what is asked?
Andru [333]

Answer:

A. How much Anna weights in kilograms is what is asked (Btw is it her or his?)

B. The values given is 54000 (most likely in grams )

C. The operation that is going to be used is 1000 since kilograms is 1000 grams

D. The solution is 54 kilograms

E. To get 54 kilograms to grams we can just multiply by 1000 again which will result into 54000 thus the answer is correct

Step-by-step explanation:

A:

The question is asked when there is a "what" or a problem statement

B:

The only value or digits given is 54000

C:

in the Metric Scale Kilograms is 1000 times larger in value than grams thus 1000

D:

Divide 54000 with 1000 which is 54

E:

Um.... just multiply 1000 ._. (That's the only way I can check it)

Hope this helps!

7 0
2 years ago
Read 2 more answers
PLEASE PLEASE HELP THE OTHER BRAINLY ANSWERS WERE WRONG IM BEING TIMED
barxatty [35]

Answer:

A table?

Step-by-step explanation:

fingers crossed this is right

7 0
3 years ago
Work out the size of the angle marked x.<br> x<br> 145
dedylja [7]

Answer:

x = 125°

Step-by-step explanation:

The sum of the angles around a point = 360° , then

90 + 145 + x = 360°

235° + x = 360° ( subtract 235° from both sides )

x = 125°

5 0
2 years ago
For a school drama performance, student tickets cost $5 each and adult tickets cost $10 each. The sellers collected $3,570 from
Gre4nikov [31]
5c+10a=3570 c+a=512 ... a=512-c so ... 5c + 10(512-c)=3570
8 0
3 years ago
Read 2 more answers
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