Ask
your own question, for FREE!
Algebra
15 Online
I need to know if I am did this right. please help me
Still Need Help?
Join the QuestionCove community and study together with friends!
ok \[\sqrt{7r+2}+3=7 \] dose it have no solution
yes, it has
it has one ?
may be, let see. -3 both sides. square both sides simplify done
ok but dose it have a solution?
Still Need Help?
Join the QuestionCove community and study together with friends!
yes
I need to know if I am did this right <---- what did you get that may not be right?
ok so what did you do
again, YES, it has
\[\sqrt{7r + 2} +3=7\rightarrow \sqrt{7r+2}=4 \] \[7r+2=4^{2} \rightarrow 7r+2=16\] \[7r=14\rightarrow r=7\]
Still Need Help?
Join the QuestionCove community and study together with friends!
ineedhelpnow08 \(\huge \checkmark\)
well... wait... shoot.... spoke too soon anyhow
\(\bf \sqrt{7r+2}+3=7\implies \sqrt{7r+2}=4\implies 7r+2=4^2 \\ \quad \\ 7r=16-2\implies r=\cfrac{14}{7}\)
oh yeah my bad14/7 is 2
yeap
Still Need Help?
Join the QuestionCove community and study together with friends!
thx
Can't find your answer?
Make a FREE account and ask your own questions, OR help others and earn volunteer hours!
Join our real-time social learning platform and learn together with your friends!
Join our real-time social learning platform and learn together with your friends!
Latest Questions
Timmy23:
The miles stretch out like empty track, A heavy weight I cannot pack. You mean the world, you mean the sun, Yet here we are, the hard work doneu2014 Or tryi
EdwinJsHispanic:
Sad how it was so easy to make you say yes. Also sad how I really thought you would say no but you said the one word I'd never thought you'd say.
thereneelg:
Okay....I'm doing a group solo for choir. Auditions are Tuesday (?), Any tips on
Arizona:
my Rolling stone airpods won't connect and I got them about a year ago is there t
Arizona:
can someone check out my essay i'm doing in my senior English class about the McD
IcedShots:
I was wondering, is there anybody on here around my age? Im turning 15 on December 1 ud83dude0a.
thatonenerd:
Use Hvap of water = 40.7 kJ/mol, c of water = 4.184 J/g.u00b0C, and molar mass of HO = 18.
letrasbonitasz:
Typography plays an important role in digital communication. Different font styles can make social media profiles, usernames, messages, and creative designs
28 minutes ago
5 Replies
0 Medals
17 hours ago
1 Reply
0 Medals
13 hours ago
1 Reply
0 Medals
2 days ago
3 Replies
0 Medals
48 minutes ago
3 Replies
0 Medals
2 days ago
3 Replies
0 Medals
3 days ago
5 Replies
0 Medals
5 days ago
3 Replies
1 Medal