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Mathematics 20 Online
OpenStudy (anonymous):

Scott plays a game using the spinner shown. During the game he will spin a total of 42 times. Which is the best prediction for the number of times he will get either "back 2" or "back 3" on the spinner? A. 7 B. 14 C. 21 D. 28 http://static.k12.com/calms_media/media/1416500_1417000/1416596/1/709abf9954e37e8a3d76e2656348ce89eecf1619/FGA_130913_160912.jpg @taramgrant0543664

OpenStudy (taramgrant0543664):

How many option are there on the spinner?

OpenStudy (taramgrant0543664):

If you spin once your going to get one of si options right?

OpenStudy (anonymous):

green = lose a turn , orange = back 2 , yellow = back 1 , blue = forward 2 , purple = back 3 , peach = forward 1

OpenStudy (anonymous):

im confused

OpenStudy (taramgrant0543664):

There are six options and each time you spin you're going to get one of them

OpenStudy (taramgrant0543664):

You want to spin either a back 2 or a back 3 which are two of the options so when you spin your chance of getting those options are 2 out of 6 since there are two options you want out of six

OpenStudy (taramgrant0543664):

Your equation is 2/6 which is 0.33 chance of the two options you want for one spin

OpenStudy (taramgrant0543664):

So to get it for 42 spins you have 2/6 and then multiplied by 42

OpenStudy (anonymous):

sooooo just do 2/6 x 42 :/

OpenStudy (taramgrant0543664):

Yep

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

14 sooo B

OpenStudy (taramgrant0543664):

Yes!!

OpenStudy (anonymous):

thx can u help me with 2 more

OpenStudy (taramgrant0543664):

Sure!

OpenStudy (anonymous):

ok thx by the way how old r u

OpenStudy (anonymous):

@taramgrant0543664

OpenStudy (taramgrant0543664):

I'm 19

OpenStudy (anonymous):

im 18 luckyyyyyyy lol

OpenStudy (anonymous):

soon ull be an adult lol

OpenStudy (taramgrant0543664):

I am an adult I'm going into my third year of university

OpenStudy (anonymous):

oh cool

OpenStudy (anonymous):

Stephanie plays a game using the spinner shown. During the game she will spin a total of 40 times. Which is the best prediction for the number of times she will get either "forward 1" or "forward 2" on the spinner? A. 8 B. 10 C. 16 D. 24

OpenStudy (anonymous):

OpenStudy (taramgrant0543664):

So there are two options that you want out of 5 so if you spin once there are a 2 out of 5 chance that you will get one of the outcomes you want so 2/5x40 is for 40 spins

OpenStudy (anonymous):

umm ok :/

OpenStudy (taramgrant0543664):

2/5x40 will give you the answer you want

OpenStudy (anonymous):

ohhhhhhh ok lol

OpenStudy (anonymous):

16 so C

OpenStudy (taramgrant0543664):

Yes it is!

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

The spinner shown is to be spun 40 times. Which is the best prediction for the number of times the spinner will stop on A or D? A. 10 B. 20 C. 25 D. 30

OpenStudy (anonymous):

OpenStudy (taramgrant0543664):

4/8x40

OpenStudy (anonymous):

20 so B

OpenStudy (taramgrant0543664):

Yep!

OpenStudy (anonymous):

A number cube with faces labeled 1–6 is rolled 72 times. About how many times would the result be 4? A. 4 B. 6 C. 8 D. 12

OpenStudy (taramgrant0543664):

1/6x72

OpenStudy (anonymous):

D ?

OpenStudy (taramgrant0543664):

Yep

OpenStudy (anonymous):

omg thx soooo much i got 100 % thx omg thx sooo much ur the best

OpenStudy (taramgrant0543664):

Haha I try my best to be lol! No problem I'm happy to help!

OpenStudy (anonymous):

thx and i wanted to say this before but i didn't want u to think im the guy thats mean but nvm

OpenStudy (anonymous):

@taramgrant0543664

OpenStudy (taramgrant0543664):

What?

OpenStudy (anonymous):

nvm

OpenStudy (anonymous):

its weird

OpenStudy (taramgrant0543664):

Ok?

OpenStudy (anonymous):

ok i was gonna say ur ...........

OpenStudy (anonymous):

CUTE bc u r and i LOVE ur hair lol lmao

OpenStudy (taramgrant0543664):

Haha thanks!!

OpenStudy (anonymous):

haha np anytime

OpenStudy (anonymous):

@taramgrant0543664

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