Perform the indicated operation. 6 - 2i/5 + 3i =

Mathematics

2 answers:

Anton [14]3 years ago

6 0

The correct answer is 12/17 - 14i / 17

which is not quite the same as D

Looks like a typo in D.

fgiga [73]3 years ago

5 0

I am gonna assume it is C)9/4 - 1/2i

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Sectors of circle. east points, this is due tomorrow help is appreciated

PSYCHO15rus [73]

By knowing the circumference of the base of the cone, we see that the radius is 4 centimeters.

<h3>How to find the radius of the cone?</h3>

Notice that in the first figure, the length of the arc AB is L = 8π cm.

Then, that arc will be the bottom part of the cone. Then we can see that the circumference of the base of the cone will be equal to the length of the arc.

And remember that for a circle of radius R (like the base of the cone), the circumference is:

C = 2πR.

Then we will get:

8π cm = C = 2πR

( 8π cm)/ 2π = R

4cm = R

The radius of the cone is 4cm.

If you want to learn more about circles:

brainly.com/question/1559324

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5 0

2 years ago

Hey! It would be a great help if someone could help me with questions 6-9. I've put what i believe to be an appropriate amount o

OLEGan [10]

Number 6 is B because each input or x value has one output or y value
Number 7 is C because that’s not even an equation
Number 8 is D because each input or x value has one output or y value
Number 10 is A because if you graph it all of the points would be on a line increasing proportionally
(Hopefully this made sense I tried my best)

6 0

3 years ago

Match each pair of points to the equation of the line that is parallel to the line passing through the points.

Tanya [424]

If we identify the lines by ...
1. y = -0.5x -3
2. y = -3.5x -15
3. y = 5x +19
4. y = 1.25x +4

Then the matches are ...
BC - 2
DE - 1
FG - none
HI - 4
JK - none
LM - 3

_____
Whenever there is a lot of repetitive math to do, I usually find it easier to let a calculator or spreadsheet do it. Here, the graphing calculator is computing the slope between the points. The slopes of parallel lines are the same.