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Mathematics 21 Online
OpenStudy (anonymous):

Find the probability of the complementary event of one spin of the spinner. a multiple of 10 A. 1/6 B. 1/3 C. 1/2 D. 2/3 http://static.k12.com/calms_media/media/713500_714000/713571/3/5296cc8699c37d2d6fb3a7dbfeb929650601c307/74578_question.jpg

OpenStudy (anonymous):

ok well what do we know? well theres 6 numbers. and theres also 3 Mutiples of 10. so its 1/2 c

OpenStudy (anonymous):

do you understand?

OpenStudy (anonymous):

@Music_me you there?

OpenStudy (anonymous):

Yes, I'm here

OpenStudy (anonymous):

And yes, I understand

OpenStudy (anonymous):

ok good!

OpenStudy (anonymous):

anymore Questions?

OpenStudy (anonymous):

Thnx! :) And um yes, I do have another question

OpenStudy (anonymous):

ok you can post it here or make a new post. either way im here to help just tag me if you do a new post

OpenStudy (anonymous):

Determine the sum of the given probabilities. Are the events complementary? P(A) =3/7 ; P(B) =2/7 A. 5/14 The events are complementary. B. 5/14 The events are not complementary. C. 5/7 The events are complementary. D. 5/7 The events are not complementary. @Swordsman1305

OpenStudy (anonymous):

oh dear

OpenStudy (anonymous):

let me turn my brain on lol

OpenStudy (anonymous):

XD okie

OpenStudy (anonymous):

@Cman456 can you please help @Music_me

OpenStudy (anonymous):

Yes I am here, what do you need?

OpenStudy (anonymous):

Determine the sum of the given probabilities. Are the events complementary? P(A) =3/7 ; P(B) =2/7 A. 5/14 The events are complementary. B. 5/14 The events are not complementary. C. 5/7 The events are complementary. D. 5/7 The events are not complementary.

OpenStudy (anonymous):

Hmmm,

OpenStudy (anonymous):

Well whats 3/7+2/7.. so its 5/7..

OpenStudy (anonymous):

D! :)

OpenStudy (anonymous):

Thnx! :)

OpenStudy (anonymous):

Could u help me with another 1, please?

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