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kolezko [41]
3 years ago
15

How does poetry play an important role in mathematics?

Mathematics
1 answer:
ANEK [815]3 years ago
8 0
Poetry has always been used as a vehicle of enlightenment, By expressing mathematics formula poetically, you can impact knowledge across the board.<span />
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NEED HELP HERE PLEASE
loris [4]
1. The answer is C. cos180=-1, sin180=0. 2*(cos180+i*sin180)=2*(-1+0)=-2. Check every other answer, none of which gets -2. 

2. The answer is C. cos270=0, sin270=-1. (You can draw out these angles to see). 2*(cos270+i*sin270)=2*(0-i)=-2i, as desired. Other choices don't work.

3. Answer A. Modulus of z is \sqrt(6^2+(-6)^2)=6*\sqrt(2). <span>The </span>angle<span> of the </span>point<span> on the complex </span>plane<span> is the </span>inverse tangent<span> of the complex portion over the real portion. Theta=arctan(-6/6), and arctan(-1)=-pi/4, so theta=-pi/4=-pi/4+2pi=7pi/4. So A is the correct answer.

4. The answer is A. As above, cos270=0, sin270=-1. 3(cos270+sin270*i)=3*(0-i)=-3i. This problem is similar to question 2.

5. </span>z1 = 7(cos 40° + i sin 40°), and z2 = 6(cos 145° + i sin 145°). z1*z2=7*6*(cos 40° + i sin 40°)*(cos 145° + i sin 145°)=42*(cos40*cos145-sin40*sin145+i*sin40*cos145+i*sin145*cos40). Use formula for sum/difference formula of cosines, cos40*cos145-sin40*sin145=cos(40+145)=cos185. Again, sin40*cos145+sin145*cos40=sin(40+145)=sin185. The answer is <span>42(cos 185° + i sin 185°).</span>
6 0
3 years ago
Megan was painting on a rectangular canvas, and needed a frame for it. The length of the frame is 15 inches and the width is 10
siniylev [52]

Answer:

50 inches

Step-by-step explanation:

Hi there!

P=2l+2w where l is the length of the rectangle and w is the width of the rectangle

Plug in the length (15 inches) and width (10 inches)

P=2(15)+2(10)\\P=30+20\\P=50

Therefore, the perimeter of the frame is 50 inches.

I hope this helps!

8 0
2 years ago
Turn the sentence into an expression <br><br> 5.three times the sum of two consecutive<br> integers
ryzh [129]

3(x+x+1)

hope this helps

8 0
3 years ago
ACTIVITY 1
Shkiper50 [21]

Answer:

500,000

2

(3)

10.5%

Activity 2

Directions: Find the unknown principal P, maturity

6 0
3 years ago
Please answerrrr, its not that hard i dont think lol, i j dont know it :)
dlinn [17]

Not a function.

It's conic section parabola. It's just a relation.

6 0
2 years ago
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