Mathematics
7 Online
OpenStudy (anonymous):
Algebra 1 help - Geometry/Algebraic expressions
Join the QuestionCove community and study together with friends!
Sign Up
jimthompson5910 (jim_thompson5910):
I'm getting the same for both as well
OpenStudy (anonymous):
O so I got those questions right?
jimthompson5910 (jim_thompson5910):
yep
OpenStudy (anonymous):
Thank you! I have a few more that use this same graph...can you check my answers on those please? Hold on, I will post it.....
jimthompson5910 (jim_thompson5910):
3 is incorrect
Join the QuestionCove community and study together with friends!
Sign Up
jimthompson5910 (jim_thompson5910):
how many students chose skateboarding?
OpenStudy (anonymous):
3
jimthompson5910 (jim_thompson5910):
how many total?
jimthompson5910 (jim_thompson5910):
3/20 = ???
OpenStudy (anonymous):
i am sort of confused....what do you do then? Divide?
Join the QuestionCove community and study together with friends!
Sign Up
jimthompson5910 (jim_thompson5910):
yep
jimthompson5910 (jim_thompson5910):
convert that fraction to decimal form
jimthompson5910 (jim_thompson5910):
yes
jimthompson5910 (jim_thompson5910):
0.15 = 15%
jimthompson5910 (jim_thompson5910):
so it's none of them for #3
Join the QuestionCove community and study together with friends!
Sign Up
jimthompson5910 (jim_thompson5910):
how many chose biking?
OpenStudy (anonymous):
8 out of 20
jimthompson5910 (jim_thompson5910):
no just focus on the biking
OpenStudy (anonymous):
3 girls out of 20 students
jimthompson5910 (jim_thompson5910):
ignore the 20 for now, all we care about are the people who chose bike
Join the QuestionCove community and study together with friends!
Sign Up
jimthompson5910 (jim_thompson5910):
there are 5 guys and 3 girls
total: 5+3 = 8
So there are 8 people total who chose bike
jimthompson5910 (jim_thompson5910):
so this means
(# of girls who chose bike)/(# of people total who picked bike) = 3/8 = 0.375 = 37.5%
OpenStudy (anonymous):
okay thank you for explaining, again!
jimthompson5910 (jim_thompson5910):
yw