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Sergio039 [100]
1 year ago
14

Determine the exact value of sin 240

Mathematics
1 answer:
iren2701 [21]1 year ago
7 0

simplify : the exact value of sin 240

Explanation: sin(240)=sin(60+180)=-sin60

\begin{gathered} -sin60=-\frac{\sqrt{3}}{2} \\ =-0.87 \end{gathered}

Final answer: the required vaalue of the sin 240 is -0.87

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Figure ABCD is a parallelogram. If point C lies on the line y= -1, what is the x-value or point C?
MrRa [10]

Answer:

The correct answer is option D.  4

Step-by-step explanation:

Points to remember

Opposite sides of the parallelogram are equal.

From the figure we can see that,AB and CD are opposite sides.

Therefore AB = CD

<u>To find the length of AB</u>

From the figure we get, AB = 4 units

Therefore CD = 4 units

<u>To find the x coordinate of point C</u>

y coordinate is -1

x coordinate is 4 units from point D

x coordinate of D is 0, therefore x coordinate of C = 0 + 4 = 4

The correct answer is option D. 4

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3 years ago
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What's the circumference of a circle with a diameter of 9 inches?​
yaroslaw [1]

Answer:

9pi

Step-by-step explanation:

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r = 9 \ 2 = 4.5in.

c = 2 (pi) (4.5)

c = 9pi or 28.3in.

Hope this helps!

3 0
3 years ago
What is the solution to 2logg(x)= logg8+logg(x-2)?<br> X=-4<br> O x=-2<br> O x=4<br> O X=8
solniwko [45]

Answer:

3x

Step-by-step explanation:

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3 years ago
If you were to roll two dice, how many different ways could you roll double fours?
muminat

Answer:

There are 6 ways we can roll doubles out of a possible 36 rolls (6 x 6), for a probability of 6/36, or 1/6, on any roll of two fair dice. So you have a 16.7% probability of rolling doubles with 2 fair six-sided dice

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

The given equation is:

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adding 4 on both sides:

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6sinx = 4sinx

dividing by 2 on both sides, we get:

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subtracting 2 sinx from both sides we get:

sin x = 0

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x = 0 degrees

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3 years ago
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