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4vir4ik [10]
3 years ago
13

How do you find the circumference and the area ​

Mathematics
1 answer:
weqwewe [10]3 years ago
4 0
To find the circumference you do 2x3.14 times radius and for the area you do 3.14 times the radius^2 area for a would be 78.5mm and circumference would be 31.4mm and for b the area is 113.04in and circumference is 37.68
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Please solve this for me
Marrrta [24]

6 sin² x + 4 cos²x = Stanx

Correct option is B)Given, 4cos2x+6sin2x=5

⇒4cos2x+4sin2x+2sin2x=5⇒2sin2x=1⇒sin2x=21=(21)2⇒x=nπ±4π

<h3>Solve any question of Trigonometric Functions with:-</h3>
7 0
2 years ago
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What is the conditional probability that exactly four heads appear when a fair coin is flipped five times given that the first f
Phantasy [73]

Presumably, the coin tosses are independent of one another, so

P(\text{exactly 4 heads}\mid\text{first flip is tails})=P(\text{exactly 4 heads})=\dfrac1{2^4}=\dfrac1{16}

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3 years ago
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Yanka [14]

Answer:

132

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5 0
3 years ago
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Help ill give brainliest
serious [3.7K]

Answer:

Bottom Left

Step-by-step explanation:

We can check by seeing the numbers with the tens place that has the digit 1.

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7 0
3 years ago
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Alex73 [517]

Answer:

Y=√2

Step-by-step explanation:

We can use the pathagorian theorum: A²+B²=C² now in this case it would be X²+Y²=2² we also know that  X and Y are the same number in this problem because they have the same corresponding angle (triangle angles always add to 180 and since we know 2 of the angles are 45 and 90 the remaining angle will also be 45) Because of this we can change our equation to Z²+Z²=2² (I'm using Z so that we do not confuse it with another letter we've already used) from there we can go to Z∧4=2² and then we will solve the equation. Z=√2 Z also equals X and Y therefore Y=√2

I hope this helps and please let me know if there is anything you don't understand I would be happy to clarify!

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3 years ago
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