Ask
your own question, for FREE!
Mathematics
OpenStudy (anonymous):
√-49 ________________ (7 - 2i)-(4 + 9i)
Still Need Help?
Join the QuestionCove community and study together with friends!
jhonyy9 (jhonyy9):
do you know what is sqrt(-1) ?
jhonyy9 (jhonyy9):
can you calcule with complex numbers ?
OpenStudy (anonymous):
I just figured it out lol
jhonyy9 (jhonyy9):
add the same terms like 7-4 and -2i-9i
jhonyy9 (jhonyy9):
so and do you know the right answer ?
Still Need Help?
Join the QuestionCove community and study together with friends!
OpenStudy (anonymous):
yes
jhonyy9 (jhonyy9):
how many is i^2 = ?
jhonyy9 (jhonyy9):
so in numerator will have -7 right ?
jhonyy9 (jhonyy9):
not is the right numerator is 7i
jhonyy9 (jhonyy9):
7i ------ 3-11i
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
sleepyfish:
It takes one week for a crew of workers to pave u2157 kilometer of a road. At that rate, how long will it take to pave 1 kilometer? Write a multiplication e
Hamzic7:
use synthetic division to find a second root that will reduce the cubic expressio
iuytyuioiuytyuiop:
Find the equation of the line with slope m=u221213 and passing through the point (1,13).
XxxMioxxX:
I have finished my drawing peeps you guys can see it now.
iuytyuioiuytyuiop:
Find the equation of the line with slope 2/5 and y-intercept (0,u22124). (Write the equation in standard form.
higher:
Which describes the second Great Awakening of the early 1800s? Preachers said society could be improved and salvation was up to the individual.
Donald1982:
Which unit of measurement would be the most appropriate unit to measure the depth
Donald1982:
Which unit of measurement would be the most appropriate unit to measure the depth
sleepyfish:
It takes one week for a crew of workers to pave u2157 kilometer of a road. At that rate, how long will it take to pave 1 kilometer? Write a multiplication e
1 hour ago
1 Reply
2 Medals
Hamzic7:
use synthetic division to find a second root that will reduce the cubic expressio
1 hour ago
1 Reply
1 Medal
iuytyuioiuytyuiop:
Find the equation of the line with slope m=u221213 and passing through the point (1,13).
1 hour ago
34 Replies
1 Medal
XxxMioxxX:
I have finished my drawing peeps you guys can see it now.
43 minutes ago
7 Replies
2 Medals
iuytyuioiuytyuiop:
Find the equation of the line with slope 2/5 and y-intercept (0,u22124). (Write the equation in standard form.
1 hour ago
17 Replies
2 Medals
higher:
Which describes the second Great Awakening of the early 1800s? Preachers said society could be improved and salvation was up to the individual.
2 hours ago
0 Replies
0 Medals
Donald1982:
Which unit of measurement would be the most appropriate unit to measure the depth
2 hours ago
2 Replies
0 Medals
Donald1982:
Which unit of measurement would be the most appropriate unit to measure the depth
2 hours ago
1 Reply
0 Medals