Answer: 49+64i
Step-by-step explanation:
Concept to know:
i=√-1
i²=-1
i³=-i
=1
-------------------------------------
(-5+8i)(3-8i)
=-15+40i+24i-64i²
=-15+64i-64i²
=-15+64i+64 (remember, i²=-1)
=49+64i
Hope this helps!! :)
Please let me know if you have any question or need further explanation
Driving for 2 hours and 45 minutes at an average speed of 60 miles per hour.
2 hours and 45 minutes = 2 hours and 45 minutes 0r 2.75 hrs _________ 60minutes
D = rt = 60mph *2.75hr = 165mi
Answer:
14
Step By Step Explanation:
7×4/2
=7×2
=14
Have a nice day! :)
-Vana