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slavikrds [6]
4 years ago
10

Help!! Don't understand how to solve this short answer problem!

Mathematics
1 answer:
Nikolay [14]4 years ago
7 0
<span>270/360*40=.75*40=30 cm.</span>
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Answer all the four q
Marina CMI [18]

Answer:

13 is better B

14 is letter B

Step-by-step explanation:

if 5 x 6 = 30 and 4 x 6 = 24 then that's the right answer...you just gotta read it! If you dont understand make sure to ask your teacher for help!

3 0
3 years ago
Read 2 more answers
1. What pattern does the power of i follow?
Darina [25.2K]

Answer:

Step-by-step explanation:

Start by doing a much simpler problem

One

i^0 = 1

i^1 = i

i^2 = i^2 = - 1

i^3 = i^3 = (-1) * i = -i

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

So now you are ready to tackle the question you were given.

Two

Every 4th power of i repeats itself. You must get one of the four answers above.

So divide 5689 by 4. What do you get?

1422.25

What does that mean?

It means that you run through the cycle of four 1422 times.  What does that mean?

1 * 1 * 1 * 1 * 1 * 1 * 1 * 1 ....................................*1

There are 1422 ones in that expression.

What about the 0.25? What about that?

That means that you have one i left over.

So the answer is i

Three

The simple question defines the pattern which will repeat itself over and over again. By knowing how the simple pattern works you can develop any power of i. For example

i^15622 =

3905.5

0.5 is the same as 2/4

i^2 = -1

i^15622 = - 1

6 0
3 years ago
Read 2 more answers
PLEASE HELP !! ILL GIVE BRAINLIEST *EXTRA POINTS*.. <br> IM GIVING 40 POINTS !! DONT SKIP :((.
Readme [11.4K]

Answer:

y = 1x - 2

Step-by-step explanation:

3 0
3 years ago
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Sin x cos x = -cos x<br> Find all angles that satisfy the equation below
n200080 [17]

Answer:

x=90^\circ,270^\circ

Step-by-step explanation:

sinxcosx=-cosx

sinxcosx+cosx=0

cosx(sinx+1)=0

cosx=0

x=90,270

sinx+1=0

sinx=-1

x=270

Therefore, the angles that satisfy the equation are x=90^\circ,270^\circ

8 0
3 years ago
What is the value of x?
Dvinal [7]
3x+x=180
x=45 is the right answer
5 0
4 years ago
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