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Sati [7]
3 years ago
6

A bag contains 3 white marbles, 2 black marbles, and 5 red marbles. Find the probability of picking a red marble

Mathematics
2 answers:
likoan [24]3 years ago
5 0

Answer:

the probability is 50%

sertanlavr [38]3 years ago
4 0

Answer:2/10

There are more red marbles so there is more possibility of a chance of getting a red marble

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Type the correct answer in each box. Use numerals instead of words. If necessary, use / for the fraction bar(s).
Gwar [14]

Answer:

The answer to your question is slope = 0; y = -2

Step-by-step explanation:

Data

A (-2, -2)

B (2, -2)

Process

1.- Calculate the slope

    m = (-2 - (-2)) / (2 - (-2))

    m = ( -2 + 2) / (2 + 2)

    m = 0/4

    m = 0

2.- The equation of the line is

    y - y1 = m(x- x1)

     y - (-2) = 0(x - (-2))

     y + 2 = 0

     y = -2

3 0
2 years ago
Find the geometric mean.<br> Please
slava [35]

Answer:

number one  2.7052932226

number two  2.0870584201

Step-by-step explanation:

multiply the 'n' values altogether and take out the nth root of the numbers, where n is the total number of values. For example: for a given set of two numbers such as 8 and 1, the geometric mean is equal to √(8×1) = √8 = 2√2.

3 0
2 years ago
5. A store sells bags of pecans for $3.00, bags of walnuts for $3.50, and bags of almonds for $4.00. One day, 15
kondaur [170]

Answer:

x = 4

y = 6

z = 5

Step-by-step explanation:

Let

bags of pecans = x

bags of walnuts = y

bags of almonds = z

x + y + z = 15

3x + 3.5y + 4z = 53

Two more bags of walnuts were sold than pecans.

Walnuts = x + 2

x + y + z = 15

3x + 3.5y + 4z = 53

x + x + 2 + z = 15

3x + 3.5(x+2) + 4z = 53

2x + z = 15 - 2

3x + 3.5x + 7 + 4z = 53

2x + z = 13 (1)

6.5x + 4z = 46 (2)

Multiply (1) by 4

8x + 4z = 52 (3)

6.5x + 4z = 46 (2)

Subtract (2) from (3)

8x - 6.5x = 52 - 46

1.5x = 6

Divide both sides by 1.5

x = 4 bags

y = x + 2

= 4 + 2

= 6

y = 6 bags

Substitute the value of x into (1)

2x + z = 13 (1)

2(4) + z = 13

8 + z = 13

z = 13 - 8

= 5

z = 5 bags

Check:

x + y + z = 15

4 + 6 + 5 = 15

5 0
3 years ago
Where is the vertex located of the parabola y=x^2+6x+7
Zepler [3.9K]
Y = (x^2 + 6x + 9) + 7 - 9
y = (x + 3)^2 - 2 - vertex form
Vertex (-3, -2)
4 0
3 years ago
If you can answer these TRICK, yes I said TRICK questions, I will give you brainliest. Yes, brainliest.
Fynjy0 [20]

Answer:

what are they? I need the brainliest ;-;

8 0
3 years ago
Read 2 more answers
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