subject
Mathematics, 26.09.2020 01:01 xojade

Simplify the expression (9 + 2i)(9 − 2i):
81 − 18i
81 + 18i
77
85

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 16:30
Astandard american eskimo dog has a mean weight of 30 pounds with a standard deviation of 2 pounds. assuming the weights of standard eskimo dogs are normally distributed, what range of weights would 99.7% of the dogs have? approximately 26–34 pounds approximately 24–36 pounds approximately 28–32 pounds approximately 29–31 pounds
Answers: 1
question
Mathematics, 21.06.2019 16:30
You are cycling around europe with friends. you book into a hostel and you ask the owner what the ratio of men to women is currently staying there. there are 24 men and 6 women. what is the ratio of men to women in its simplest form?
Answers: 2
question
Mathematics, 21.06.2019 21:00
Choose the equation that represents the graph below: (1 point) graph of a line passing through points negative 3 comma 0 and 0 comma 3 y = x − 3 y = −x + 3 y = −x − 3 y = x + 3 will award !
Answers: 3
question
Mathematics, 21.06.2019 23:00
Solve the system of equations using the linear combination method. {4x−3y=127x−3y=3 enter your answers in the boxes.
Answers: 1
You know the right answer?
Simplify the expression (9 + 2i)(9 − 2i):
81 − 18i
81 + 18i
77
85...
Questions
question
Health, 22.02.2021 20:00
question
Mathematics, 22.02.2021 20:00
question
Computers and Technology, 22.02.2021 20:00
question
Chemistry, 22.02.2021 20:00
Questions on the website: 13722367