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musickatia [10]
2 years ago
6

A box contains 5 blue, 4 red, and 3 yellow marbles. Two marbles are randomly drawn and not replaced. What is the probability of

drawing a blue then a red marble?
5/36
20/130
1/66
5/33
Mathematics
1 answer:
Nataly_w [17]2 years ago
7 0

Answer:

the answer is 5/33

Step-by-step explanation:

Total marbles = 5 blue + 4 red + 3 yellow = 12

Two marbles are selected, first is blue which gives us :

5/12 --eq 1

Then red marble is selected ( note: one marble is already drawn and not replaced so we have a total of 11 marbles )

The probability of red gave us :

4/11 --eq 2

Now we multiply eq 1 and 2

5/12 x 4/11 = 5/33

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A certain television is advertised as a 80-inch TV (the diagonal length). If the
Aleksandr [31]

Answer: 48 inches tall

Step-by-step explanation: (I just learned this) First, you square 80 and 64. 80 will be 6400 and 64 will be 4096. Then you use the Pythagorean Theorem, which is a² + b² = c². A. and B. are the legs in a triangle and C. is the hypotenuse. If you have A. and C. but not B, you square A. and C. and subtract C. from A. Then, after you get the number, you square that number, which will be√(2304), which makes 48.

3 0
3 years ago
Simplify the following: 7-3[(n^3+8n)/(-n)+9n^2]
Pachacha [2.7K]
If you would like to simplify <span>7 - 3[(n^3 + 8n) / (-n) + 9n^2], you can do this using the following steps:

</span>7 - 3[(n^3 + 8n) / (-n) + 9n^2] = 7 - 3[(-n^2 - 8) + 9n^2] = 7 - 3[-n^2 - 8 + 9n^2] = 7 - 3[ - 8 + 8n^2] = 7 - 3[8<span>n^2 - 8] = 7 - 24n^2 + 24 = - 24n^2 + 31
</span>
The correct result would be <span>- 24n^2 + 31.</span>
7 0
3 years ago
Determine the distance between (-5,2) and (-2,5). show your work. round to the nearest tenth if necessary.​
statuscvo [17]

Answer

-2

Step-by-step explanation:

learn how to do your work f^gg0+

4 0
2 years ago
A parachute speed free fall reaches 45 meters per second what is this speed in feet per second at this speed how many feet will
Alla [95]

The speed is:

S = 742.5ft

The distance that the parachutist falls in 5 seconds is:

D = 742.5ft

<h3>How to get the speed in feet per second?</h3>

We know that the speed in free fall is:

S = 45 m/s.

We know that:

1 m = 3.3ft

Then we can rewrite the speed as:

S = 45 m/s = 45 *(3.28ft)/s = 148.5 ft/s

Then, the distance that the parachutist falls during 5 seconds is:

D = S*5s = (148.5 ft/s)*5s = 742.5ft

If you want to learn more about speed:

brainly.com/question/4931057

#SPJ1

7 0
1 year ago
Seven times a number minus the number is -48. Find the number.
drek231 [11]
The answer is A. -8

(step by step)

Do multiplication first. 7 * -8 = -56

Now subtraction. -56 - (-8) = -48

Hope this helped! ☺♥
8 0
2 years ago
Read 2 more answers
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