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mixer [17]
2 years ago
10

One marble is selected at random from a bowl containing 15 blue marbles and 12 red marbles. What are the odds of selecting a blu

e marble
Mathematics
2 answers:
Softa [21]2 years ago
7 0

Answer:

5/9

Step-by-step explanation:

lana [24]2 years ago
4 0

Answer:

5/9

Step-by-step explanation:

You put the total amount of blue marbles over the total number of marbles and you get 15/27, which simplifies to 5/9

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The first five terms of a sequence are 2, 5/3, 3/2, 7/5 and 4/3. what is the explicit formula?
katen-ka-za [31]

Answer:

  an = (n+3)/(n+1)

Step-by-step explanation:

The sequence can be written as ...

  4/2, 5/3, 6/4, 7/5, 8/6, ...

where the first numerator is n+3 and the first denominator is n+1. Each numerator and denominator increase by 1 from term to term, so the explicit formula can be written

  an = (n+3)/(n+1)

4 0
3 years ago
Please help me on these questions and explain it thanks
Korolek [52]
ABC = 180-120=60
ACB = 180-(40+60)=80
Therefore ECD= 80 as ACB and ECD are vertically opposite angles

the solution is A as that is where the graphs intersect each other
6 0
3 years ago
Can somebody please help me omg i’m so dumb
Makovka662 [10]

Answer:

A

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
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
a density graph for all the possible weights between 0 pounds and 100 pounds is in the shape of a rectangle. what is the height
Pavel [41]

Answer:

0.1

Step-by-step explanation:

a p e x

4 0
3 years ago
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