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gtnhenbr [62]
3 years ago
15

A bag of marbles has 5 green, 2 yellow, 8 red, and 3 purple marbles. What is the probability of picking a red marble, not replac

ing it, and then picking another red marble?
Mathematics
1 answer:
hram777 [196]3 years ago
7 0
Sample space ={5G, 2Y, 8R, 3P} =18 POSSIBLE OUTCOME

1st draw: P(R) = 8/18 = 4/9 = 0.444
2nd draw (no replacement, means already one Red is picked up, so the sample space has been reduced): P(another one more RED) = 7/17 =0.411 
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0.27 recurring as a fraction please
natali 33 [55]

Answer:

\frac{3}{11}

Step-by-step explanation:

assuming the recurring digits are 0.272727.... , then

we require 2 equations with the repeating digits placed after the decimal point.

let x = 0.2727.... (1) ← multiply both sides by 100

100x = 27.2727... (2)

subtract (1) from (2) thus eliminating the repeating digits

99x = 27 ( divide both sides by 99 )

x = \frac{27}{99} = \frac{3}{11} ← in simplest form

3 0
1 year ago
Read 2 more answers
A giant bamboo plant grew an average of 18 centimeters per year.The botanist started measuring the plant when it was 5 centimete
Anastaziya [24]
H=height
y=number of years.

we have the next expresion:
h(y)=my+b  

m=the slope of the line, in this case, the slope is equal to "18"; (18 cm/ year).
b=the initial heigth, in this case, the initial heigth is equal to "5" (5 cm).

Therefore, our  expression will be:
h(y)=18y +5

answer: h(y)=18y+5


7 0
3 years ago
The recipe for a fruit salad calls for 5 bananas, 3 peaches, 2 apples, 1 pear, 8 strawberries, 1 cantaloupe, and 2 oranges. What
NARA [144]

Answer:

3:22

Step-by-step explanation:

there are three peaches, so the peach value of the peaches in the will be three

adding all the other fruits gives you 22, so the value of the total in the ratio  is 22

therefore the ratio is 3 peaches to 22 fruits

which is expressed as

3:22

6 0
2 years ago
Is this correct? if not what is the answer
LenaWriter [7]

Answer:

x = 50

Step-by-step explanation:

You are correct.

x + m<PQS + m<PSQ = 180

m<PQS = m<QRT = 70

m<QST + m<PSQ = 180

120 + m<PSQ = 180

m<PSQ = 60

x + 70 + 60 = 180

x + 130 = 180

x = 50

Great job!

4 0
3 years ago
What was the interest rate if your balance on an investment of $830 at the end of one year is $871.50?
olga55 [171]

Answer:

5%

Step-by-step explanation:

5 0
2 years ago
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