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miss Akunina [59]
2 years ago
11

A bag contains 5 black marbles, 7 blue marbles, 3 green marbles, 4 red marbles, and 1 white marble. A marble is selected and the

n replaced and a second marble is chosen. What is the probability of selecting a black marble and then a red marble?
Mathematics
1 answer:
schepotkina [342]2 years ago
5 0

Answer:

2/25

Step-by-step explanation:

It will be 20/400 + 12/400

=2/25

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Whats the value of x? 2−(3x−4)=2x−9
coldgirl [10]

Answer:

x=3

Step-by-step explanation:

Use pemdas!

First use distributive property to get rid of the parenthesis, by multiplying 2 by 3x and -4. Then combine like terms and use inverse operations to simplify each side until you get it down to just x! Hope this helped! :)

3 0
3 years ago
Please help me solve this !:) <br> Explain your answer <br><br> I will give braisnlt . Oh
ser-zykov [4K]

Answer:

D

Step-by-step explanation:

A is incorrect because if 1 x value corresponds to multiple y values, it is not a function

B is incorrect for the same reason as a

C is incorrect because it is linear

D is correct because 1.) all of the others are wrong, and 2.) it is nonlinear.

8 0
3 years ago
Use one method to find the LCM of the first set of numbers below. Use the other method to find the LCM of the second set. Show W
Nat2105 [25]

Answer:

The least common multiple (LCM) of two or more non-zero whole numbers is the smallest whole number that is divisible by each of those numbers. In other words, the LCM is the smallest number that all of the numbers divide into evenly.

Step-by-step explanation:

The LCM of 13 AND 17 is 221

The LCM of 40 AND 60 is 120

lcm (40; 60) = 120 = 23 × 3 × 5

4 0
3 years ago
PLZ SOMEONE, ANYONE HELP ME WITH THIS, IT IS TIMED AND MY MATH TECHER IS STRICT!!!
eimsori [14]

Answer:

a:

10

b:

-10 and 10

c:

8

Step-by-step explanation:

i could be wrong on c tho

4 0
2 years ago
Josef ate 1/4 a pizza in 1/2 an hour. How much pizza would Josef eat in one hour?
wolverine [178]

1/2 of the pizza is eaten in an hour. To get from 1/2 an hour to 1 hour, you multpily by 2. Multiply 1/4 by 2 to get 1/2.

7 0
3 years ago
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