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vivado [14]
3 years ago
15

a spiner has 5 equal sized sections with different colors. you spin the spinner 50 times what is th theoretical and experimental

probability of spinning blue
Mathematics
1 answer:
kari74 [83]3 years ago
6 0

Answer:

10%

Step-by-step explanation:

you would do 50/5 because all the sections are even so you would get 10%.

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Find the value of x<br> 12<br> 5<br> X
steposvetlana [31]

Answer:

x = 13

Step-by-step explanation:

Note that the side length x is opposite of the right angle, which means that it is the hypotenuse, which will usually be denoted as c.

Set the equation:

a² + b² = c²

let:

a = 5

b = 12

c = x

Plug in the corresponding numbers (& x) to the corresponding variables:

(5)² + (12)² = (x)²

Simplify. First, solve for the power, and then add:

x² = (5²) + (12²)

x² = (5 * 5) + (12 * 12)

x² = 25 + 144

x² =  169

Next, root both sides of the equation:

√x² = √169

x = √169 = √(13 * 13) = 13

x = 13

~

Note the rules, and it should be easier:

30-60-90° = 1 , √3 , 2

45-45-90° = 1 , 1 , √2

Any other measurements use the equation:  a² + b² = c²

5 0
2 years ago
Help, I’m a bit confused, what would the coordinates be. The question is in the picture!!!!!
kotykmax [81]
(x+4), (y-1) because the figure is translated 4 units to the right and 1 down.
3 0
3 years ago
PHYSICS As a ray of light meets a mirror, the light
Lady bird [3.3K]
<h3>Answer:  37 degrees</h3>

========================================================

Explanation:

The angle of incidence is equal to the angle of reflection. The angle of light coming in is the same as the angle of light bouncing out. Each angle is made with the dashed line as the diagram shows.

So angle RMI = 106 is bisected, i.e. divided in half, to get

  • Angle RMN = 53
  • Angle NMI = 53

since 106/2 = 53

Then notice that the horizontal dashed line is perpendicular to the vertical mirror. This means angle NMJ is a 90 degree angle and,

angle RMJ = (angle NMJ) - (angle RMN)

angle RMJ = 90 - 53

angle RMJ = 37 degrees

----------

In short: divide 106 in half to get 53, then subtract it from 90

5 0
2 years ago
What is the exact area of a circle whose radius is 9 yd? Enter your answer in the box. Express your answer in terms of
atroni [7]

Answer:

81\pi

Step-by-step explanation:

Area = pi*r^2

Area = pi*9^2

Area = 81\pi

6 0
2 years ago
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Solve the system of equations.<br> 57 - 10x = 45<br> -<br> - 3y + 10x = -5
masha68 [24]

Answer: Step-by-step explanation:

57 - 10x = 45

-10x=-12

x=1.2

- 3y + 10x = -5

-3y+10=-5

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y=5

7 0
3 years ago
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