(-2+8i)(3-10i) Step by Step

1 answer:

5 0

(-2+8i)x(3-10i)

-2 x 3 - 2 x (-10i) +8i x 3- 8i x 10i
-6+20i+24i - 80i ^2
-6+20i+24i - 80 x (-1)
-6+20i+24i + 80
Answer: 74+44i

You might be interested in

6.- Find the area under the standard normal distribution: to the left of z=-1.55.

Kisachek [45]

Answer:

$P(z$

Step-by-step explanation:

For this case we want to find this probability:

$P(z$

Because they want the area to the left of the value. We need to remember that the normal standard distribution have a mean of 0 and a deviation of 1.

We can use the following excel code: =NORM.DIST(-1.55,0,1,TRUE)

And we got:

$P(z$

The other possibility is use the normal standard table and we got a similar result.

5 0

3 years ago

Show how he can make pieces of copper wire whose lenghts in feet are one of each of the whole numbers from 1 to 20 inclusive, wh

katovenus [111]

Hudyydjdjgthdfhtfyhthfyjfjfyyfjfyjfyj

3 0

2 years ago

Which unit is used to measure film size? pixels in cm mm

tatuchka [14]

Mm is the unit used to measure film size. It stands for millimeter.

The standard film size is 35 mm. The standard frame size of a still camera film was 24 x 36 mm.

mm is the smallest unit to measure length of an object. It is followed by cm then in and so on.

1 cm = 10 mm
1 in = 2.54 cm
1 in = 25.4 mm

3 0

3 years ago

A painter is standing on a ladder that is leaning against a building. The angle of elevation of the ladder is 44 degrees. The he

Lena [83]

Answer:

Answer is well defined in the image 115.16 feet

Step-by-step explanation:

For the value of sin44 degrees use your calculator to calculate the value.

If you have any doubts write in comments box.

HAVE A NICE DAY!

THANKS FOR GIVING ME THE OPPORTUNITY TO ANSWER YOUR QUESTION.

7 0

3 years ago

Help ASAP!!! Please and thank you

katovenus [111]

The area of the triangle should be 20. Try that out

5 0

3 years ago