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aksik [14]
4 years ago
10

Can someone answer this question please please answer it correctly I’d it’s correct I will mark you brainliest please help me

Mathematics
1 answer:
AVprozaik [17]4 years ago
3 0

Answer:

6.28

Step-by-step explanation:

Area=πx2^2

Area=4π

Area=4π/2

Area=2π

Area=6.283185307

Area=6.28

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Please answer this question ONLY IF YOU KNOW THE ANSWER!! 50 points and brainliest!
ryzh [129]

Answer:

Fair game

Step-by-step explanation:

Let us find the sample space.  It is the sum of the two spins

1+1 1+2 1+3  1+4 1+5 1+6

2+1 2+2  2+3  2+4 2+5 2+6

3+1 3+2 3+3 3+4 3+5 3+6

4+1  4+2  4+3  4+4 4+5 4+6

5+1  5+2 5+3 5+4 5+5 5+6

6+1 6+2 6+3 6+4 6+5 6+6

Adding

2,3,4,5,6,7

3,4,5,6,7,8

4,5,6,7,8,9

5,6,7,8,9,10

6,7,8,9,10,11

7,8,9,10,11,12

P(2) = 1/36

p(3) = 2/36

p(4) = 3/36

p(5) = 4/36

p(6) = 5/36

p(7) = 6/36

p(8) = 5/36

p(9) = 4/36

p(10) = 3/36

p(11) = 2/36

p(12) = 1/36

Player A wins if the sum is even

P(2,4,6,8,10,12) = P(2)+P(4)+P(6)+P(8)+P(10) + P (12) because the events are independent

               = 1/36 + 3/36+5/36+5/36+3/36 +1/36= 18/36 = 1/2


Player B wins if the sum is odd

P(3,5,7,9,11) = P(3)+P(5)+P(7)+P(9)+p(11) because the events are independent

               = 2/36 + 4/36+6/36 +4/36+2/36= 18/36 = 1/2

The probabilities are the same, so this is a fair game

7 0
4 years ago
Read 2 more answers
Calculate the length of a triangle if another length is 15 feet and the hypotenuse is 39 feet.
Y_Kistochka [10]
We have to use Pythagorean theorem that says : 

a^2+b^2=c^2\\\Rightarrow a^2+15^2=39^2\\a^2=39^2-15^2\\a=\sqrt{1296}\\a=36

The missing length of the triangle is : 36 feet
3 0
3 years ago
In triangle ABC, angle C is a right angle. Find the remaining sides and angles. Round your answers to the nearest tenth. Show yo
satela [25.4K]
The Pythagorean theorem can tell you the length of "b".
  c² = a² + b²
  b² = 19² -3² = 360
  b = 6√10 ≈ 18.8

Sin = Opposite/Hypotenuse
sin(A) = a/c = 3/19
A = arcsin(3/19) ≈ 9.1°
B = 90° - A = 80.9°

The remaining sides and angles are ...
  b = 18.8
  A = 9.1°
  B = 80.9°

4 0
3 years ago
What equation represents the model shown below?
g100num [7]

Given:

The algebra tiles of an equation.

To find:

The equation represented by the given model.

Solution:

On the left side of the model we have 4 tiles of (-x) and 3 tiles of (-1). So,

LHS=(-x)+(-x)+(-x)+(-x)+(-1)+(-1)+(-1)

LHS=-4x+(-3)

LHS=-4x-3

On the right side of the model we have 8 tiles of (-1). So,

RHS=(-1)+(-1)+(-1)+(-1)+(-1)+(-1)+(-1)+(-1)

RHS=-8

Now, equate the LHS and RHS to get the equation.

-4x-3=-8

Therefore, the equation for the given model is -4x-3=-8.

7 0
3 years ago
X<br>ccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc
frosja888 [35]

Answer:

Ghww wt

Step-by-step explanation:

6h8d dgs gc

5 0
3 years ago
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