Got Homework?
Connect with other students for help. It's a free community.
Here's the question you clicked on:
 0 viewing

This Question is Closed

lornbeach Group TitleBest ResponseYou've already chosen the best response.0
thats not an answer choice
 2 years ago

maym0Re97 Group TitleBest ResponseYou've already chosen the best response.0
What are the choices?
 2 years ago

lornbeach Group TitleBest ResponseYou've already chosen the best response.0
7+7i/2 63+7i/82 7+7i/2 63+7i/82
 2 years ago

Hero Group TitleBest ResponseYou've already chosen the best response.0
\[ \sqrt{49} = \sqrt{49 \dot\ 1} = \sqrt{49} \sqrt{1} = 7i \\(3 + 4i)  (2  5i) = (3  2) + (4i + 5i) = 1 + 9i \]
 2 years ago

Hero Group TitleBest ResponseYou've already chosen the best response.0
I have to agree with @maym0Re97
 2 years ago

maym0Re97 Group TitleBest ResponseYou've already chosen the best response.0
Lol that's what I got, but it's not an answer choice
 2 years ago

lornbeach Group TitleBest ResponseYou've already chosen the best response.0
i got that answer as well, but it isnt a choice
 2 years ago

Hero Group TitleBest ResponseYou've already chosen the best response.0
There's probably an equivalent choice
 2 years ago

Hero Group TitleBest ResponseYou've already chosen the best response.0
Multiply top and bottom by 1  9i and see what happens
 2 years ago

lornbeach Group TitleBest ResponseYou've already chosen the best response.0
would it be 63+7i/82?
 2 years ago

satellite73 Group TitleBest ResponseYou've already chosen the best response.1
your job is to rewrite in standard form as \(a+bi\) which means do what @hero said
 2 years ago

satellite73 Group TitleBest ResponseYou've already chosen the best response.1
\[\frac{7i}{1+9i}\times \frac{19i}{19i}\] the denominator is \(1^2+9^2=82\) all the work is in the numerator
 2 years ago

satellite73 Group TitleBest ResponseYou've already chosen the best response.1
yes you have it
 2 years ago

lornbeach Group TitleBest ResponseYou've already chosen the best response.0
thank you(:
 2 years ago
See more questions >>>
Your question is ready. Sign up for free to start getting answers.
spraguer
(Moderator)
5
→ View Detailed Profile
is replying to Can someone tell me what button the professor is hitting...
23
 Teamwork 19 Teammate
 Problem Solving 19 Hero
 Engagement 19 Mad Hatter
 You have blocked this person.
 ✔ You're a fan Checking fan status...
Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.