menu
Qammunity.org
Login
Register
My account
Edit my Profile
Private messages
My favorites
Ask a Question
Questions
Unanswered
Tags
Categories
Ask a Question
What is |1 − 8i|? A. 65 B. √13 C. √-65 D. √65
asked
May 3, 2023
8.3k
views
21
votes
What is |1 − 8i|?
A. 65
B. √13
C. √-65
D. √65
Mathematics
college
Flynorc
asked
by
Flynorc
8.3k
points
answer
comment
share this
share
0 Comments
Please
log in
or
register
to add a comment.
Please
log in
or
register
to answer this question.
1
Answer
11
votes
Hey There !
|1-8i| is in the form of |a+bi| = √a^2+b^2
So now ,
a = 1 b=-8
=> √1^2+(-8)^2
=> √1+64
=> √65
Hence option D is correct
Hope this helps you!:)
Kacper Madej
answered
May 8, 2023
by
Kacper Madej
7.5k
points
ask related question
comment
share this
0 Comments
Please
log in
or
register
to add a comment.
← Prev Question
Next Question →
Related questions
asked
Oct 21, 2024
30.9k
views
What is the length of the distance between the two points of (6,-2) and (3, 4)? O √13 O √45 O √65 O √117
Hzhu
asked
Oct 21, 2024
by
Hzhu
8.6k
points
Mathematics
college
1
answer
4
votes
30.9k
views
asked
Jul 7, 2024
55.0k
views
Find the distance between each pair of points. a) √170 , √106,√10 b) √65,√185,√10 c) √72,√170,√5 d) √81, √162 ,√13
Richard Moore
asked
Jul 7, 2024
by
Richard Moore
8.0k
points
Mathematics
high-school
1
answer
5
votes
55.0k
views
asked
Jun 12, 2024
151k
views
A. Find a vector with the initial point (3, -2) and terminal point (7, 5). a. <4, 7> b. <10, 3> c. <-4, -7> d. <-10, -3> b. Then, find a unit vector in the direction of <4, 7>. a. <4/√65, 7/√65> b. <2/√13, 7/√13> c. <4/√65, -7/√65> d. <-2/√13, 7/√13>
Bernd Elkemann
asked
Jun 12, 2024
by
Bernd Elkemann
8.0k
points
Physics
high-school
1
answer
0
votes
151k
views
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.
9.4m
questions
12.2m
answers
Other Questions
How do you can you solve this problem 37 + y = 87; y =
What is .725 as a fraction
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
i have a field 60m long and 110 wide going to be paved i ordered 660000000cm cubed of cement how thick must the cement be to cover field
Write words to match the expression. 24- ( 6+3)
Twitter
WhatsApp
Facebook
Reddit
LinkedIn
Email
Link Copied!
Copy
Search Qammunity.org