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Murljashka [212]
3 years ago
8

A bag contains 2 red marbles, 3 blue marbles, 4 white marbles, and 1 yellow marble. If Jamal picks a marble at random, notes the

color, and then returns the marble to the bag, how many times would you expect him to pick a blue marble if he repeats this process 330 times?​
Mathematics
1 answer:
statuscvo [17]3 years ago
4 0

Answer:

About 99 times.

Step-by-step explanation:

There are 3 out of 10 blue marbles in the bag, or 0.3%. 99 is 0.3% of 330.

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yarga [219]

Answer:

(x-5)^2+(y-2)^2=9\\

Step-by-step explanation:

So, you basically want the equation of the circle.

Given:

Center(C): C(5, 2)

r=3

The equation of circle is:

(x-h)^2+(y-k)^2=r^2\\

Where, (h, k) represents the center point and r is the radius of the circle.

Plotting the values in the equation:

(x-5)^2+(y-2)^2=3^2\\

(x-5)^2+(y-2)^2=9\\

This is the equation of the circle of center (5, 2) and radius 3.

6 0
3 years ago
You will use 220ft of fencing to fence a rectangular plot of land. The length is 20 more than the width. What are the dimensions
PSYCHO15rus [73]
Set up the following equations:

L + W = 110
L - W = 20

110 represents the lengths of the length and width of the triangle, as you'll divide total perimeter of the rectangle, 220, by 2 to find the individual lengths. 20 is the difference between the length and width.

We'll use elimination for this system of equations, as there are opposite coefficients for W in both equations. Combine the two equations:

2L = 130

Divide both sides by 2 to get L by itself:

L = 65

The length of the rectangle is 65 feet.

Plug this value into the second equation:

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Add W to both sides:

65 = 20 + W

Subtract 20 from both sides:

45 = W

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6 0
3 years ago
The table shows the solution to the equation |2x - 4| - 3 = 3:
dimaraw [331]

Answer:

Step 1

Step-by-step explanation:

Step one is incorrect because you need to add 3 but it subtracted.

8 0
3 years ago
How are the diagonals of a parallelogram related?
NikAS [45]

Answer:

  they bisect each other

Step-by-step explanation:

<em>The diagonals of a parallelogram bisect each other</em>.

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If they are the same length, the parallelogram is a rectangle. If they cross at right angles, it is a rhombus.

4 0
3 years ago
I need help with this asap!
IrinaK [193]

Answer:

112 degrees

Step-by-step explanation:

i found this on google

this might be right

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