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Oliga [24]
4 years ago
11

Please help me with this question

Mathematics
1 answer:
Daniel [21]4 years ago
8 0

Answer:

1/2

Step-by-step explanation:

if you look at a unit circle, sin(\pi/6) is \sqrt{3}/2 so cos of (\pi/6/2) would be \pi/3, and cos of (\pi/3) is 1/2

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Never mind this question. I reorganized it and put it out there to be answered.
alukav5142 [94]
Ok glad that you got an answer
4 0
3 years ago
-1/4u+3/2=-6 solve for U
Brums [2.3K]

-\dfrac{1}{4}u+\dfrac{3}{2}=-6\qquad|\cdot4\\\\\not4^1\cdot\left(-\dfrac{1}{\not4_1u}\right)+\not4^2\cdot\dfrac{3}{\not2_1}=4\cdot(-6)\\\\-u+2\cdot3=-24\\\\-u+6=-24\qquad|-6\\\\-u=-30\qquad|\cdot(-1)\\\\\boxed{u=30}

5 0
4 years ago
(Please answer, 100 points)
Ymorist [56]

use the formula 2πr

  • 106.76
  • 300.96
  • 2×3.14×(1/2)×39 = 122.46
  • 78.5

the c bit I did the whole process cuz the diameter is given and for the d bit i thought what you were trying to say is 25 diameter.

hope it helps and don't forget to put the units wherever necessary.!!!!

5 0
3 years ago
Express this number in scientific notation?<br> 96,470.000
muminat
96,470 in scientific notation is equal to 9.647 * 10^{4}.
8 0
4 years ago
Help!!!!!!!!!!!!!!!!
Nady [450]

Answer:

48 cm^2

Step-by-step explanation:

Splitting into two rectangles with areas 36 and 12 will make it easier.

After splitting, add them together to get 48 cm ^2.

6 0
3 years ago
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