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Zanzabum
3 years ago
12

There are 10 balls in a bag numbered from to 10. Three balls are selected at random without replacement. a. How many different w

ays are there of selecting the three balls? b. What is the probability that one of the balls selected is the number 5?
Mathematics
1 answer:
zhenek [66]3 years ago
4 0

A) 30 possible combinations

B)1/10

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Lostsunrise [7]
Kate will travel 8 feet backwards
8 0
3 years ago
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A rectangle is constructed with its base on the​ x-axis and two of its vertices on the parabola yequals=4949minus−xsquared2. Wha
xxMikexx [17]

Answer:

Dimensions of rectangle : Width = 2x , Length = 49 - x^2

Area of Rectangle = 98x - 2x^3

Step-by-step explanation:

A rectangle constructed with its base on the​ x-axis and two of its vertices on the parabola

Supposing coordinates of upper right vertex of rectangle are P = (x,y)

Due to parabola symmetry, width of rectangle is twice the horizontal (X) axis distance between Y axis & point P.

Width of rectangle :  2x

Length of rectangle :  y = 49 - x^2

Area of Rectangle = Length x Width

(2x) (49 - x^2)

= 98x - 2x^3

8 0
3 years ago
Select the values of r, below, that represent a low or no correlation. (There is more than one answer!)
Anon25 [30]
Ok I have the answers! Anything, whether positive or negative, with the value above .5 has a high correlation. Therefor the answers would be
B-low correlation
C-no correlation
D-low correlation
G- no correlation


I know that's too late for you but hope it helps with any other students struggling!
5 0
3 years ago
The width of a rectangle is two-thirds of its length, and its area is 216 square meters. What is the length? 12 m 18 m 27 m
olga55 [171]
Hope this helps you.

7 0
3 years ago
Can you help me pleaseeeeeew
Lera25 [3.4K]

Answer:

<h2>The answer is A 14.6</h2>

Step-by-step explanation:

the diameter is twice the length of the radius soooo 7.3x2=14.6

making the answer A

:D

4 0
3 years ago
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