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kvasek [131]
2 years ago
14

Marnie conducted an experiment using a bag of 12 marbles containing an equal number of blue, red, and green marbles. She randoml

y chose one marble, noted the color, and returned the marble to the bag. Marnie did this for a total of 20 trials. The table below shows the results.
Event
Count
Blue
7
Red
8
Green
5

What was the experimental probability of choosing a blue marble from a bag?
StartFraction 7 over 20 EndFraction
StartFraction 7 over 13 EndFraction
StartFraction 7 over 12 EndFraction
Mathematics
2 answers:
Ierofanga [76]2 years ago
8 0
I like the color red and black so I would go with red
kolezko [41]2 years ago
8 0

Answer:

I like the color red and black so I would go with red

Step-by-step explanation:

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2/5 y + 1/5 x - 0.26- 6+ (-2)
Lina20 [59]

Answer:

Simplified

2/5y + 1/5x - 413/50

or

0.4y + 0.2 x - 8.26

Step-by-step explanation:

8 0
3 years ago
Mr. Dash recorded the odometer
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Mr. Dash is reimbursed $47.69.
4 0
2 years ago
1/3+3/5<br> 2/3+1/12<br> 1/6+2/9<br> 2/9+1/2+1/6<br> 1/5+3/8+3/40
8090 [49]

Answer:

1: \frac{14}{15\\}

2: \frac{3}{4}

3: \frac{7}{18}

4: \frac{8}{9}

5: \frac{13}{20}

Step-by-step explanation:

5 0
3 years ago
WILL GIVE CROWN THING <br> HELP ASAP
TEA [102]

Answer:

The value of x will be:

  • x=-5

Step-by-step explanation:

Given the equation

4-2(x+7)=3(x+5)

Multiply (or distribute) each term in parenthesis on L.H.S by -2, and multiply (or distribute) each term in parenthesis on R.H.S by 3.

4-2x-14=3x+15

simplifying the equation by subtracting 14 from the L.H.S

-10-2x=3x+15

Subtracting 15 from both sides

-10-2x-15=3x+15-15

-25-2x=3x

combining the like terms

-25=3x+2x

-25=5x

dividing both sides of the equation by 5

\frac{-25}{5}\:=\:\frac{5x}{5}

-5=x

Therefore, the value of x will be:

  • x=-5
7 0
2 years ago
1. The total monthly cost, y, for smartphone service depends
Amiraneli [1.4K]
  • (0,40)
  • (10,42)
  • (20,44)
  • (30,46)

Slope

  • m=42-40/10
  • m=2)10
  • m=1/5

Equation in point slope form

  • y-40=1/5x
  • y=1/5x+40

slope=1/5

y intercept=40

4 0
2 years ago
Read 2 more answers
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