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ANEK [815]
2 years ago
7

There is a bag of 50 marbles. Andre takes out a marble, records its color, and puts it back in the bag. In 4 trails, he gets a g

reen marble time. Jada takes out a marble, records its color, and puts it back in the bag. In 12 trials, she gets a green marble 5 times. Noah takes out a marble, records its color, and puts it back in the bag. In 9 trials, he gets a green marble 3 times. Estimate the probability of getting a green marble from this bag. Explain your reasoning.
Mathematics
2 answers:
azamat2 years ago
7 0

Answer:

1/4 or 25%

Step-by-step explanation:

Illusion [34]2 years ago
4 0

Answer:

25%

Step-by-step explanation:

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What is the surface area of this right rectangular prism? Enter your answer as a
mixas84 [53]

You will find all of the surface area of all of the sides and add them together to find the surface area of the retangular prisim. So, what I would do is the front and back are both 54, so 108. The sides are 27, so 54. The top and bottom are 18, so 36. Add them together, and you will get 198. I hope this helps.

6 0
3 years ago
The height of the pyramid is 12 inches. This pyramid has a rectangular base with length of 10 inches and width of 9 inches. What
xenn [34]

Answer:

1080"

Step-by-step explanation:

12*10= 120

120*9= 1080

6 0
3 years ago
The figure below shows a circular fountain in a park with a garden to be planted with flowers. The parks department wants to pla
Dominik [7]

Answer:  The answer is 284.

Step-by-step explanation:

The area of the garden is an annulus whose,  

Outer diameter = 18 ft  

Inner diameter = 18 ft - 2*3ft = 12 ft

Therefore,  

Outer radius = 18/2 = 9 ft  

Inner radius = 12/2 = 6 ft  

 Area of garden = Area of annulus  

 Area of garden = π*(9 ft)2 - π * (6 ft)2

 Area of garden = 142  

 Given:  

2 flowers are planted per square foot.  

 Therefore for 142 ft2,  

Number of flowers required = 2*142 = 284  

 The answer is 284.

3 0
2 years ago
where can you find a website that has the lengths of major league baseball fields from plates to various fences etc... (example.
Elena-2011 [213]

Answer:

6567

Step-by-step explanation:

add

8 0
3 years ago
Noelle stands at the edge of a cliff and drops a rock. The height of the rock is given by the function f(x)-4.9x2 + 15, where c
Oxana [17]
A graphing calculator shows the rocks are at the same height 1.5 seconds after they are released.

That height is 3.975 meters.

_____
f(x) = g(x)
-4.9x^2 +15 = -4.9x^2 +10x
15 = 10x . . . . . . . . . . . . . . . . . . add 4.9x^2
1.5 = x . . . . . . . . . . . . . . . . . . . divide by 10
f(1.5) = -4.9*2.25 +15 = 3.975

3 0
3 years ago
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