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SIZIF [17.4K]
3 years ago
14

What is the value of the product (4 – 2i)(6 + 2i)? 20 – 4i 20 + 16i 28 + 16i 28 – 4i

Mathematics
2 answers:
Darya [45]3 years ago
8 0

(4 – 2i)(6 + 2i)

FOIL

First : 4*6 =24

Outer: 4*2i = 8i

Inner: -2i* 6 = -12i

Last: -2i*2i = -4i^2 =-4(-1) =4

Add together

24+8i-12i+4

28-4i

Answer: 28-4i

Ostrovityanka [42]3 years ago
5 0

Answer:

28-4i

Step-by-step explanation:

There for the answer is D

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Pls help with math fast !!
Nutka1998 [239]

Answer:

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7 0
3 years ago
In a fruit cocktail, for every 30 ml of orange juice you need 20 ml of apple juice and 50 ml of coconut milk. What proportion of
KengaRu [80]

Answer:

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3 0
3 years ago
You measure the width of a doorway and find that it is 1.20 m wide. Find the greatest possible error of your measurement
elena-s [515]
Given that the distance between two lines in the measurement instrument is 0.01m, the maximum error should be 0.01m/2 = 0.005 m.

If you do a good work, the real measure is 1.20m +/- 0.005m, this is between 1.195 and 1.205.
8 0
3 years ago
Select the correct answer.
earnstyle [38]

The equations are both the same with a slope of 2 and y-intercept of 3.

<h3>Solution to system of equation</h3>

A line is the distance between two points. Given the equations below;

2y - 4x = 6

y = 2x + 3

___________

y - 2x = 3

y = 2x + 3

The equations are both the same with a slope of 2 and y-intercept of 3. The graph of the equation is plotted below.

Learn more on equation of a line here: brainly.com/question/13763238

#SPJ1

3 0
2 years ago
What is 70 percent of 1872
uranmaximum [27]

Answer:

1310.4

Step-by-step explanation:

1872 x 0.7 = 1310.4

4 0
3 years ago
Read 2 more answers
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