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Ipatiy [6.2K]
3 years ago
6

A bag contains 3 blue marbles and 2 green marbles. What is the probability of drawing a blue marble followed by a green marble,

without replacing the first marble?
Mathematics
2 answers:
marin [14]3 years ago
6 0

50% because when you take out the first marble witch is probably blue since there are more blue you would have 2 blue and 2 green so the chance would be 50%

Triss [41]3 years ago
6 0

Hello!

First of all, we have the probability of getting a blue marble, 3/5. If we were to get one, we would only have 4 left. Therefore we would have 2/4, or 1/2 chance of selecting a green marble.

We multiply our probabilities.

3/4(1/2)=3/8

Therefore, there is a 3/8 or about a 36% chance.

I hope this helps!

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A new one-year membership at RecPlex costs $160. A registration fee of $28 is paid up front, and the rest is paid monthly. How m
anzhelika [568]

Answer:

The first month new members have to pay 188 dollars for the membership.

The equation is 160x+28=y

x stands for the number of months and y stands for the total cost.

For the first month (membership starts) the total cost is 188$. For the second month the total money paid would be 348$. For the third month the total money paid would be 508$. And so on you can use the equation to solve for more months. Just substitute x for the number of months you are solving for.

7 0
3 years ago
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Suppose that in t months, the money you have saved is given by the equation S= 145t + 85. How many months will it take you to sa
Alecsey [184]

5.5 months it took to save

3 0
3 years ago
Evaluate the function.<br> f(x) = -x2 + 5x + 15<br> Find f(9)
Keith_Richards [23]

Answer:

f(9) = 42

Step-by-step explanation:

f(9) = (-9)*2 + 5*9 +15

= -18 + 45 + 15

= 42

5 0
4 years ago
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Write an equivalent expression using distributive property and simplify for each question
Lana71 [14]

Answer:

Check explanations

Step-by-step explanation:

For all real numbers a,b, and c, the distributive property states that:

a(b + c) = ab + ac

For Part A, we have

2x + 10x = x(2 + 10) = x(12) = 12x

Or

2x + 10x = 2x(1 + 5) = 2x(6) = 12x

For Part B, we have

-4(3x-10)+5(2-6x)=-4*3x--4*10+5*2-5*6x

This simplifies to:

-4(3x-10)+5(2-6x)=-12x+40+10-30x

-4(3x-10)+5(2-6x)=-12x-30x+40+10

-4(3x-10)+5(2-6x)=-42x+50

For the C part, we have:

2(x - 4) + x = 2 \times x - 2 \times 4 + x

2(x - 4) + x = 2x - 8+ x

2(x - 4) + x = 3x - 8

For Part D, we have:

-3-7(3-4x)+8x =  - 3 - 7 \times 3  - 7 \times  - 4x + 8x

We simplify to get:

-3-7(3-4x)+8x =  - 24+28x + 8x

Simplify further to get:

-3-7(3-4x)+8x =-24+36x

4 0
3 years ago
What is the equation in point slope form of the line passing through (0,5) and (-2,11)
IRISSAK [1]

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\frac{y_2-y_1}{x_2-x_1} is the slope of the line.

Substituting numerical values, the equation of the line is

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The equation of the line is 3x+y=5

6 0
3 years ago
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