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anyanavicka [17]
1 year ago
11

What is the quotient of StartStartFraction 90 (cosine (StartFraction pi Over 4 EndFraction) + I sine (StartFraction pi Over 4 En

dFraction) ) OverOver 2 (cosine (StartFraction pi over 12 EndFraction) + I sine (StartFraction pi Over 12 EndFraction) ) EndEndFraction ?
45 (cosine (StartFraction pi Over 3 EndFraction) + I sine (StartFraction pi Over 3 EndFraction) )

88 (cosine (StartFraction pi Over 3 EndFraction) + I sine (StartFraction pi Over 3 EndFraction) )

45 (cosine (StartFraction pi Over 6 EndFraction) + I sine (StartFraction pi Over 6 EndFraction) )

88 (cosine (StartFraction pi Over 6 EndFraction) + I sine (StartFraction pi Over 6 EndFraction) )


I think it's c/the third option
Mathematics
2 answers:
Gelneren [198K]1 year ago
8 0

Answer:

The answer is C

Step-by-step explanation:

7nadin3 [17]1 year ago
6 0

Answer:

I can confirm, C is the correct answer.

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Find the values for k so that the intersection of x = 2k and 3x + 2y = 12 lies in the first quadrant.
RUDIKE [14]

Answer:

0 < k < 2

Step-by-step explanation:

<u>In the first quadrant both of x and y get positive values, so </u>

  • x > 0 and y > 0
  • x = 2k, k > 0

<u>And replacing x with 2k in the second equation:</u>

  • 3x + 2y = 12
  • 3*2k + 2y = 12
  • 2y= 12 - 6k
  • y = 6 - 3k

<u>Since y > 0:</u>

  • 6 - 3k> 0
  • 2 - k > 0
  • k < 2

<u>Combining both k > 0 and k < 2, we get:</u>

  • 0 < k < 2
3 0
2 years ago
Read 2 more answers
ind the slope and y-intercept for the two linear functions. A 2-column table with 5 rows. Column 1 is labeled x with entries neg
Liula [17]

Answer:

-1/4

-4

3/2

1

got it right on edge 2020

Step-by-step explanation:

9 0
2 years ago
Read 2 more answers
Given directed line segment QS , find the coordinates of R
Degger [83]

Answer:

The answer is below

Step-by-step explanation:

The question is not complete, what are the coordinates of point Q and R. But I would show how to solve this.

The location of a point O(x, y) which divides line segment AB in the ratio a:b with point A at (x_1,y_1) and B(x_2,y_2) is given by the formula:

x=\frac{a}{a+b}(x_2-x_1)+x_1\\ \\y=\frac{a}{a+b}(y_2-y_1)+y_1

If point Q is at (x_1,y_1) and S at (x_2,y_2)  and R(x, y) divides QS in the ratio QR to RS is 3:5, The coordinates of R is:

x=\frac{3}{3+5}(x_2-x_1)+x_1=\frac{3}{8}(x_2-x_1)+x_1\\ \\y=\frac{3}{3+5}(y_2-y_1)+y_1=\frac{3}{8}(y_2-y_1)+y_1

Let us assume Q(−9,4) and S(7,−4)

x=\frac{3}{8}(7-(-9))+(-9)=\frac{3}{8}(16)-9=-3\\\\y=\frac{3}{8}(-4-4)+4=\frac{3}{8}(-8)+4=1

4 0
2 years ago
Carlos biked StartFraction 139 over 8 EndFraction miles on Saturday and StartFraction 135 over 7 EndFraction miles on Sunday. On
melomori [17]

Answer:

Carlos rode further than on Saturday by 107/56 miles.

Step-by-step explanation:

i did the quiz lol

7 0
1 year ago
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Bethany thinks this angle is 140 degrees. Daryn thinks this angle is 40 degrees. Who is correct? Explain what the other person d
Alborosie

Answer:

50

Step-by-step explanation:

I just think it's 50 because I was on this problem for a long time and I just took my best guess

4 0
2 years ago
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