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katrin2010 [14]
2 years ago
8

CORRECT ANSWERS ONLY PLES ASAP!!!!! It costs $2 to spin the spinner shown below. If you land on an even number, you win $8. If y

ou land on an odd number, you get nothing. What is the expected value of playing this game one time?
$8


$3


$1


$6

Mathematics
2 answers:
user100 [1]2 years ago
4 0
Value of playing is8
Delvig [45]2 years ago
3 0

Step-by-step explanation:

2 is an even number so if everytime  u land on an even number u win $8 so we do this (8-2=6)

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How do I solve the literal equation 6=mx+b for x? Did not learn this in school as I was absent for two weeks.
NeX [460]
6= mx+b
6-b=mx
x=(6-b)/m
hope you understand
3 0
3 years ago
20 POINTS!!! HELP ME!!!! Use the linear combination method to solve the system of equations. Explain each step of your solution.
madreJ [45]

The solution of the system of equations is (-3 , -2)

Step-by-step explanation:

Steps for Using Linear Combinations Method)

  • Arrange the equations with like terms in columns
  • Analyze the coefficients of x or y
  • Add the equations and solve for the remaining variable
  • Substitute the value into either equation and solve

∵ 3 x - 8 y = 7 ⇒ (1)

∵ x + 2 y = -7 ⇒ (2)

- Multiply equation (2) by 4 to make the coefficients of y are equal in

 magnitude and different in sign

∴ 4 x + 8 y = -28 ⇒ (3)

Add equations (1) and (3)

∵ 3 x - 8 y = 7 ⇒ (1)

∵ 4 x + 8 y = -28 ⇒ (3)

∴ 7 x = -21

- Divide both sides by 7

∴ x = -3

Substitute the value of x in equation (2) to find y

∵ x + 2 y = -7 ⇒ (2)

∵ x = -3

∴ -3 + 2 y = -7

- Add 3 to both sides

∴ 2 y = -4

- Divide both sides by 2

∴ y = -2

The solution of the system of equations is (-3 , -2)

Learn more:

You can learn more about the system of the linear equations in brainly.com/question/13168205

#LearnwithBrainly

7 0
3 years ago
What is 2 1/8 (Mixed number) x (times) 34 (Whole number) ?<br><br><br><br><br> PLEASE HELP ASAP
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It's 289/4 or 72.25

4 0
3 years ago
4a - 7 = 5 <br> What is the answer 2 step equation
Alex777 [14]

Answer:

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Step-by-step explanation:

4a - 7 = 5

move the constant to the right

4a= 5+7

divide

4a=12

Awnser:

A= 3

3 0
3 years ago
IL<br> 8x-9<br> 5x-3<br> What’s x
shepuryov [24]

Step-by-step explanation:

8x-9=5x-3

Move any equation to the opposite side. I'll use the left this time

8x - 8x - 9 + 9 = 5x - 8x - 3 + 9

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- 3x =  - 6

\frac{ - 6 =  - 3x}{ - 3}

x = 2

3 0
3 years ago
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