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Salsk061 [2.6K]
3 years ago
9

Help me!?! I’ll give you 5 stars?!

Mathematics
2 answers:
Lesechka [4]3 years ago
6 0

Answer:

i think its b 68 because if you add al the sides that what i got

Step-by-step explanation:

18 + 18 + 10 + 10 + 6 + 6=  = 68

Kazeer [188]3 years ago
5 0

Answer:

1080 or 68

Step-by-step explanation: 10*18*6=1080

10+10+18+18+6+6=68

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Hi, I am new to this website :) I'm currently taking an online trig class on De Moivre's theorem and I don't understand it at al
Vladimir [108]
De Moivre's theorem uses this general formula z = r(cos α + i<span> sin α) that is where we can have the form a + bi. If the given is raised to a certain number, then the r is raised to the same number while the angles are being multiplied by that number.

For 1) </span>[3cos(27))+isin(27)]^5 we first apply the concept I mentioned above where it becomes

[3^5cos(27*5))+isin(27*5)] and then after simplifying we get, [243 (cos (135) + isin (135))] 

it is then further simplified to 243 (-1/ √2) + 243i (1/√2) = -243/√2 + 243/<span>√2 i
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For 2) </span>[2(cos(40))+isin(40)]^6, we apply the same steps in 1)

[2^6(cos(40*6))+isin(40*6)],

[64(cos(240))+isin(240)] = 64 (-1/2) + 64i (-√3 /2)

And the answer is -32 -32 √3 i

Summary:
1) -243/√2 + 243/√2 i
2)-32 -32 √3 i

7 0
3 years ago
11. You pay $24.50 for 10 gallons of gasoline and one
Cloud [144]
Ummm this confuses me a bit
6 0
3 years ago
Consider the following three points.(-5,2), (0,6), (6,4)Step 3 of 3: Determine whether the three points are collinear or not col
Anni [7]

Step 1

Collinear points are a set of three or more points that exist on the same straight line. Collinear points may exist on different planes but not on different lines.

Step 2

Graph the points; (-5,2),(0,6),(6,4)

Step 3

Conclude based on step 2

Since the points are not a straight line, we can conclude that the 3 points are not collinear.

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293764 would be the answer to this question
4 0
3 years ago
Campatible numbers are numbers in a problen that are easy ti compute
Thepotemich [5.8K]
Mentally

As they are numbers which you can do mental math with since they are whole numbers.
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