Ask
your own question, for FREE!
Mathematics
11 Online
sqrt{7x+46} x+4
Still Need Help?
Join the QuestionCove community and study together with friends!
\[\sqrt{7x+46}=x+4\]
7x+46=(x+4)^2=x^2+8x+16 7x+46=x^2+8x+16 x^2+x-30=0 Solve it
-6 or 5????
Yes
not sure which one
Still Need Help?
Join the QuestionCove community and study together with friends!
Both
A quadratic equation has two solutions
so -6,5
Thanks so much
No problem
Still Need Help?
Join the QuestionCove community and study together with friends!
parenthesis???
What?
is it (-6,5) or just -6,5
There's no difference
x=-6,5
Still Need Help?
Join the QuestionCove community and study together with friends!
\[k^{4} \over k^{19?}\]
divide and simplify
\[(a^m)/(a^n)=a ^{m-n}\]
\[k^{4-19}\]
is that right?
Still Need Help?
Join the QuestionCove community and study together with friends!
What is 4-19?
Simplify it
15
so the correct answer is \[k^{15}\]
or is it 3.63
Still Need Help?
Join the QuestionCove community and study together with friends!
4-19=-15
yes sorry i forgot to put the negative sign
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
heartlessprophet:
How do i get paid from work when im in job court ?
Aubree:
Guys, what does love feel like? I've been getting a tight chest and when I talk to him my heart rate hangs out around 100-120 beats per min, and when he doe
thereneelg:
ok... anyone have advice?? ...I did Choir all throughout Middle school and have ALWAYS been put in Soprano those three years.
kamariana:
The Byzantine Procopius is known for (5 points) reconquering much of the old Roma
chuckD:
hellp!!! what does it mean to describe a scientist as skeptical Why is sceptical
DoltonCarlee:
So like do y'all know anything about the first world war?
thehearken:
anyone know how to explain this so its easier for me to understand? b(1)=2, b(n)=
18 hours ago
0 Replies
0 Medals
21 hours ago
8 Replies
1 Medal
1 day ago
6 Replies
1 Medal
2 days ago
0 Replies
0 Medals
2 days ago
2 Replies
1 Medal
1 day ago
2 Replies
0 Medals
2 days ago
5 Replies
2 Medals