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2 years ago

Sara has a spinner with 12 equal sections of blue, green, red and yellow. What is the probability she will spin yellow or green?

Mathematics

2 answers:

solong [7]2 years ago

7 0

Answer: 4/12

Step-by-step explanation:

MA_775_DIABLO [31]2 years ago

4 0

Answer:

4/12 or 1/3

Step-by-step explanation:

12 sections

Yellow: 1

Green: 3

4/12 or 1/3

I really hope I helped :D

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Number 8 and 9 pls, if u answer u get brainlist rank!

mylen [45]

Answer:

Denote the equation : y = ax + b

Use the first 2 values of x and y in table:

3a + b = 21

5a + b = 35

Subtract the 2 equations:

=> 2a = 14 => a = 7 => b = 21 - 3 x 7 = 0

=> The solution is y = 7x

Denote the equation : y = ax + b

Use the first 2 values of x and y in table:

5a + b = 17

10a + b = 22

Subtract the 2 equations:

=> 5a = 5 => a = 1 => b = 17 - 5 x 1 = 17 - 5 = 12

=> The solution is y = x + 12

Hope this helps!

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2 years ago

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Troyanec [42]

Answer:

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Step-by-step explanation:

Image explains.

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1 year ago

Inverse of f(x)=3x-4

aniked [119]

Answer:

$\large\boxed{f^{-1}(x)=\dfrac{x+4}{3}=\dfrac{1}{3}x+\dfrac{4}{3}}$

Step-by-step explanation:

$f(x)=3x-4\to y=3x-4\\\\\text{exchange x to y and vice versa}\\\\x=3y-4\\\\\text{solve for y}\\\\3y-4=x\qquad\text{add 4 to both sides}\\\\3y=x+4\qquad\text{divide both sides by 3}\\\\y=\dfrac{x+4}{3}$

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klio [65]

Step-by-step explanation:

154 centimeters =

5.05249344 feet (5 feet ⅝ inch)

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