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musickatia [10]
4 years ago
15

A bag contains 15 marbles. The probability of randomly selecting a green marble is 1/3.The probability of randomly selecting a g

reen marble, replacing it, and then randomly selecting a red marble is 1/15. What is the probability of randomly selecting a red marble?
Mathematics
2 answers:
devlian [24]4 years ago
8 0

the answer is 1/5. I got the answer from Quizlet and it was correct

WARRIOR [948]4 years ago
5 0
The probability of randomly selecting a red marble is 1/5. You get that by dividing 1/15 by 1/3
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Geometry help please explain no graph
katrin2010 [14]

Answer:

d. 24

Step-by-step explanation:

m∠10 ≅ m∠12 cause they're alternate exterior angles and im taking geometry rn:)

m∠10 = 3x - 2

m∠12 = 70

3x - 2 = 70

3x = 72

x = 24

5 0
3 years ago
Triangle A'B'C' is a dilation of AABC. What is AB?
Pavlova-9 [17]

Answer:

C. 9

Step-by-step explanation:

Please let me know if you want me to add an explanation as to why this is the answer. I can definitely do that, I just wouldn’t want to write it if you don’t want me to :)

8 0
3 years ago
Triangle X Y Z is shown. The length of side X Y is (9 n + 12) feet and the length of side X Z is (15 n minus 6) feet. Angles X Y
zmey [24]

Answer:

n = 3

XY = 39

XZ = 39

Step-by-step explanation:

Given

XY = 9n + 12

XZ = 15n - 6

Solving (a): n

To solve for n;

We make use of

XY = XZ

Substitute values for XY and XZ

9n + 12 = 15n - 6

9n - 15n = -12 - 6

-6n = -18

Divide through by -6

n = 3

Solving (b) XY

XY = 9n + 12

Substitute 3 for n

XY = 9 * 3 + 12

XY = 27 + 12

XY = 39

Solving (c): XZ

XZ = XY

XZ = 39

7 0
3 years ago
Calculate: 6-[(-3)+(-7)]-[(-1)-(-5)-(-8)]
malfutka [58]

Answer:

The answer is 4

8 0
3 years ago
Read 2 more answers
There are two mystery numbers. The sum of 2 times the first number and 3 times the second number is -18. The sum of 3 times the
FrozenT [24]

Answer:

-3 and -4

Step-by-step explanation:

x = 1st number

y = 2nd number

set up system of equations:

2x + 3y = -18

3x + 2y = -17

elimination method:  multiply 1st equation by -2 and second by 3

 -4x - 6y = 36

+

<u>  9x + 6y = -51</u>

  5x = -15

   x = -3

find y:  2(-3) + 3y = -18

           -6 + 3y = -18

            3y = -12

             y = -4

4 0
3 years ago
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