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stich3 [128]
3 years ago
11

A box contains 5 purple marbles, 3 green marbles and 2 orange marbles. You draw the first marble, return it to the box and draw

a second marble. What is P(both marbles are orange)?
Mathematics
1 answer:
GrogVix [38]3 years ago
6 0

Answer:

1/15

Step-by-step explanation:

1/5+3+2        all of the marbles

2/10              odds of drawing an orange marble(bc 2 orange marble)

3/9                 because to get 3 green and 1 marble is removed and 9 is total          marbles left

2/10*3/9=1/15  muliply  odds because 2 draws of marbles    

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Juliette [100K]

Answer:

75% = 3/4

3/4 of 20 = 15

Ratio - 15:20 (A)

3 0
2 years ago
What is the answer and how do I work this.
Sedaia [141]

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5 0
3 years ago
M–[(m–n)÷(−2)](−5), if m=−4, n=−6
jeka94

Answer:

-9

Step-by-step explanation:

We are given the expression m–[(m–n)÷(−2)](−5).  Substituting -4 for m and -6 for n, we get:

-4–[(-4 + 6)÷(−2)](−5)

We must do the work that appears inside parentheses first:

-4–[(  2  )÷(−2)](−5)

Next we must do the work that appears inside square brackets:

-4–[     -1    ](−5)

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-4 - [ 5  ]

which in turn comes out to -9

5 0
3 years ago
50 points plus brainilest for correct answer and step by step.
creativ13 [48]

Answer:

80 miles

Step-by-step explanation:

Speed is 30 miles/hour

Time is 2 hours 40 minutes or 2 2/3 hours or 8/3 hours

Distance is speed x times

so distance is 30 x 8/3 = 80 miles

7 0
2 years ago
A. 22.1 ft^2<br> B. 20 ft^2<br> C. 13.5 ft^2<br> D. 16.8 ft^2
USPshnik [31]
The answer would be D, 16.8 ft.^2
4 x 2.5 + 2^2 x 3.14 x .5= 16.8
8 0
3 years ago
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