mathisopandcool

360  - 150  =   210 degrees

is the answer right?

The answer for this problem is simple

if the sum of the digits is 2021

the smallest number would be a number, followed with all nines

2021/9=224 remandier 5, so the number is 

599999999 ect

but because we are trying to find the smallest number,

there will be 224 9s 

so, the answer is 224

lol :)

Yes! thank you guys for helping me understand this problem. Aops gave me a hint and i managed to solve it without using pi!

The answer is 2/3 because like you picture melody, say the first point is exactly on a vertex of the triangle, then the other point could not land in the bottom third of the circle, so the probability is 2/3 that the triangle is shorter than a side of the triangle.

You get 24

plus 

9

plus

12

plus

6

24+9+12+6

33+18

51 im rlly bad at math idk if this is r

there are 5 numbers not 4

wait sorry its wrong im dumb

If B is adjacent to A we can make them as 1 letter, so  4!=24

If B is one away from A, we have 4 cases.

BCAD

BDAC

DBCA

CBDA

If B is two away from A we get:

BCDA

BDCA

24+4+2=30

30 ways

30 ways i can explain it but my working got deleted when i was writing it

oops lemme recalculate

2. 

a. 10*9*8=720

b. 10*10*10

Oops i got my second question wrong sorry

1. There are 52 cards in a standard deck. There are 4 jacks, 4 Queens, and 4 Kings. In addition to this, there are 26 red cards

(4+4+4)/2= 6 (because 2 out of the 4 jacks, queens and kings are red)

6+26=32

32/52 is the probability.

You can solve it from here

2.Total possible number of combinations

6*6=36

The number has to be less than 4,

so

1+1

1+2

2+1

1+1

4 combinations 

4/36=1/9

So the probability is 1/9

 24-(2*3)=

18  ways

Actually I just need the first and third one

i didnt write this but somebody already has this answer

here =>  https://web2.0calc.com/questions/algebra-2_69534

|z|=4

|w|=2

4+2=6

2*4=8

4-2=2

4/2=2