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tensa zangetsu [6.8K]
3 years ago
12

(3+2i)(3-2i) whats the answer

Mathematics
1 answer:
Ludmilka [50]3 years ago
7 0

Answer:

13 is the answer.

Step-by-step explanation:

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in a canoe race, a team paddles downstream 480 m in 60 s. The same team makes the trip upstream in 80 s. Find the team's rate in
Vera_Pavlovna [14]
480=60(v+s) 

480=60v+60s

8=v+s

s=8-v...

480=80(v-s)  using s from above we get:

480=80(v-(8-v))

6=v-8+v

6=2v-8

2v=14

v=7, and since s=8-v, s=1

So the rate of the team is 7m/s while the rate of the stream is 1m/s





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3 years ago
Val buys a computer for $850. If this is 130% of what the store paid for the same computer, how much did the store earn on the s
ioda
$255 because you do 130% over 100% = x over 850, than you do 130 times 850 divided by 100 and you get 1105, than you do 1105 minus 850 and you get $255
5 0
3 years ago
Read 2 more answers
given triangle PQR with QR = 8, PQ = 6, and m p = 90 degrees, which of the following choices is used to determine m r
marishachu [46]

The value of the angle R in the right triangle PQR is sin⁻¹ 6 / 8

The situation forms a right angle triangle.

<h3>How to find an angle in a right triangle?</h3>

The angle R can be found as follows:

using trigonometric ratios,

sin R = opposite / hypotenuse

Therefore,

opposite sides = 6

hypotenuse = 8

sin R = 6 / 8

R = sin⁻¹ 6 / 8

learn more on right triangle here: brainly.com/question/6322314

#SPJ1

6 0
3 years ago
19. Which of these sets of numbers contains no rational numbers?
pishuonlain [190]
The correct answer is d I believe so
6 0
3 years ago
Using a graph, table of values, and/or equations solve the following problem.
olchik [2.2K]

Answer:

n = 11/3

Step-by-step explanation:

n = certain number

6n - 1 = 21

6n = 22

n = 22/6 or 11/3

3 0
3 years ago
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