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Kobotan [32]
3 years ago
5

you have a bag of 10 marbles. three of them are red ,five are blue, and two are green.what is the probability of not picking a g

reen marble out of the randomly
Mathematics
2 answers:
Verizon [17]3 years ago
7 0

Answer:

Not probabillity of picking a green marble is 80%

Step-by-step explanation:

Goryan [66]3 years ago
3 0

Answer:

.80 or 4/5

Step-by-step explanation:

Probability is all about figuring out what you are or not going to get.

One good trick of figuring this out is taking what you don't want, (here its green marbles) take them out, then add all the marbles (G,B,R) and divide. Here you are dividing 8 by 10 which comes out to .80

The only other thing to do is simplify if needed. .80 turns into 8/10 and the only thing that 8 and 10 are divisible by is 2 so it would turn into 4/5

Hope this info can help ;)

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Y = -2x2 + 10 y = -2x – 2
34kurt

Answer:

x = 6

y = - 14

Step-by-step explanation:

\left \{y=-2x2 + 10y} \atop {y=-2x -2}} \right.

  1. -2x × 2 + 10 = - 2x - 2
  2. x = 6
  3. y = -2 × 6 - 2 = - 14
4 0
3 years ago
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2% as a decimal help
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A tool that regulary sells for $18.50 is on for 20 % off what is the sale price?
denis23 [38]
So 
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<span>so 20% is $3.70, which means the discount is $3.70 </span>

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3 years ago
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Jack earns $50 for washing cars on the weekend. he makes an average of $4.25 in tips per hour. write the function of joe's earni
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8 0
3 years ago
NEED HELP NEED HELP please if you know show me how you got the answer
OLEGan [10]

Answer:

It says to Graph y = 1/2x - 4

So equation y = 1/2x - 4

this corresponds to slope intercept form which is y = mx + b

M = slope = rise / run

B =  y - intercept

First, start at the origin, (0,0)

Then go down 4, you should now be on the coordinate (0,4)

Now we need to use the slope.

The slope is 1 / 2, this means rise 1, run 2 (in this case 2 to the right because it is positive)

So, start at (0 , 4) and go up 1 unit then 2 to the right, then place a dot, keep repeating until you meet the end of the paper.

Then do the opposite so that you can graph the other side.

Down 1 and 2 to the left.

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