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faltersainse [42]
3 years ago
11

Find an exact value. cosine of negative seven pi divided by twelve

Mathematics
1 answer:
marta [7]3 years ago
8 0
Negative radical 6 minus radical 2 all over 4
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Convert the radian measure to degrees. (Round to the nearest hundredth when necessary): 7π/3
Ierofanga [76]

Answer:

400 degrees

Step-by-step explanation:

Step 1 : To convert radians to degrees, multiply the given radian by 180/pi

7pi/3 x 180/pi

Step 2 : Cancel pi

7/3 x 180

= 420 degrees

Step 3 : Round it to nearest 100

Since 20 is closer to 400 than 500 therefore it will be rounded off to

400 degrees

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6 0
3 years ago
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A back contains 120 marbles some are red and the rest are black They are 19 red marbles for every black marble How many red marb
egoroff_w [7]

Answer:

6.3 ?

Step-by-step explanation:

4 0
2 years ago
Please help me Im confused on this problem
Sunny_sXe [5.5K]

Answer:

b = 6 sqrt(2)

Step-by-step explanation:

Since this is right triangle, we can use the Pythagorean theorem

a^2+b^2 = c^2  where a and b are the legs and c is the hypotenuse

3^2 + b^2 = 9^2

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b^2 = 72

Take the square root of each side

sqrt(b^2) = sqrt(72)

b = sqrt(36*2)

b = 6 sqrt(2)

7 0
3 years ago
Please help meeeee! <br> I'm really in a rush rn!
yawa3891 [41]

Answer:

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Step-by-step explanation:

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3 0
3 years ago
2x+7 =5 is an example of...
tresset_1 [31]

Answer:

This is an example of distribution

Step-by-step explanation:

The reason why is because the equation is linear and if you exclud the y it show that it can distribute.

6 0
3 years ago
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