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Pavlova-9 [17]
3 years ago
6

A bag contains 5 red balls and 6 green balls. You plan to select 2 balls at random. Determine the probability of selecting 2 gre

en balls.
The problem is to be done without replacement. Use combinations to determine the probability
Mathematics
1 answer:
Umnica [9.8K]3 years ago
7 0

Step-by-step explanation:

first pick has probability

\frac{6}{11}

second pick has probability

\frac{5}{10}

combined probability is

\frac{30}{110}  =  \frac{3}{11}

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Melanie makes $3.00 less per hour babysitting than her best friend, Carita. If the combined hourly rate of Melanie and Carita is
marysya [2.9K]

Answer:

B 6.00

Step-by-step explanation:

M= 6$

C= 9$

M+C= 6+9= 15$ per hour

3 0
3 years ago
One disadvantage of the range is that ______
WARRIOR [948]

Answer:

a) only extreme values are used in its calculation.

Step-by-step explanation:

In a data set, the range is given by the subtraction of it's highest value by it's lowest value.

The disadvantage is that it gives a high weight to extreme values, not focusing on central values. So the correct answer is given by option a

8 0
2 years ago
Which of these is the absolute value parent function?
bija089 [108]

Answer:

  D.  f(x) = |x|

Step-by-step explanation:

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  f(x) = |x|

8 0
3 years ago
PLEASE HELP PLEASE PLEASE!!!!!!!!
nadya68 [22]

Answer:

SRO and QRO

Step-by-step explanation:

Hope this helps!

7 0
2 years ago
Find the volume of given prism round to the nearest tenth necessary.
atroni [7]
First, find the area of the base (the triangle) and then multiply it by the height

to find the area of the triangle you need to know the height. cut the triangle in half and you get a right triangle, from there you can use the Pythagorean theorem. remember since you cut the triangle in half you have to divide one of the sides by 2

a^2 + b^2 = c^2              (plug in known information)
a^2 + (7.5)^2 = (15)^2      (solve, first solve the exponents)
a^2 + 56.25 = 225         (subtract 56.25 on both sides)
a^2 = 168.75                    (solve for a, put 168.75 under the square root)

then once you find the area multiply by the known height



7 0
3 years ago
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