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emmasim [6.3K]
3 years ago
14

Geraldo was a counselor at summer camp. He needed to divide the 40 children into 4 teams, so he put 10 red, 10 blue, 10 yellow,

and 10 green marbles into a bag. Without looking, each child drew a marble and took it to the counselor leading that color team. What is the probability that the first 3 children will all draw a blue marble?
Mathematics
1 answer:
viva [34]3 years ago
3 0
The probability that the first 3 children will all draw a blue marble is 10 out of 40 .
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Home Depot wants to buy a new line of fertilizers. Manufacturer A offers a 22/19 chain discount. Manufacturer B offers a 25/14 c
Temka [501]

Answer: A is 36.82%. B is 35.5%

Step-by-step explanation: For manufacturer A 22/19 chian discount simply means 22% discount followed by 19% discount.

Therefore we have 100-22= 78 and 100-19=81.

The final price would be 0.78*0.81=0.6318

Therefore discount would be

1 - 0.6318=0.3682

Hence, percentage discount would be 0.3682*100%=36.82%.

For manufacturer B 25/14 chian discount means 25% discount followed by 14% discount. So we have 100-25=75% and 100-14= 86%

Final price would be 0.86*.75=0.645.

Discount= 1 - 0.645= 0.355.

Percentage discount would be 0.355*100%=35.5%.

3 0
3 years ago
14. the number of deer spotted in a nature preserve each day over a two week period is listed below. 32 27 15 12 42 35 46 29 38
xenn [34]
The answer is D: 10-19, 20-29, 30-39, 40-49: Frequency 3, 2, 6, 3.
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5 0
3 years ago
Read 2 more answers
What is 3 x blank =18y
lawyer [7]
6 bc it’s the answer
4 0
2 years ago
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The parabola x = y² - 9 opens: <br> a.)up <br> b.)down<br> c.) right <br> d.)left
Zolol [24]

Answer:

Right side towards positive x axis

Step-by-step explanation:

Let us see the basic rule to find the orientation of parabolas.

1.  If power if x is 2 and y is 1 , the parabola opens up or down.

2. If the power of y is 2 and that of x is 1 , the parabola opens right or left.

3. If the coefficient of x^{2} in case 1 is negative it opens downward

4. If the coefficient of y^{2}  in case 2 is negative , it opens left towards negative x axis.

Hence our equation is

x=y^2-9

here is satisfies the case 2. hence it opens right or left . Also the coefficient of  

y^{2} is positive so it opens up to the right side , that is towards positive x axis.

7 0
2 years ago
Which is different? Find "both" answers.
Alina [70]
B & C would be your answer because 3^-3 would turn into a fraction, 1/3^3 which is the same as C.
8 0
3 years ago
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