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Lady_Fox [76]
3 years ago
14

There are 20 socks in a drawer: 5 pairs of black, 3 pairs of brown, and 2 pairs of white. You select the socks in the dark and c

an check them only after a selection has been made. What is the smallest number of socks you need to select to guarantee you get the following: At least one matching pair. At least one matching pair of each color.
Mathematics
2 answers:
jarptica [38.1K]3 years ago
8 0

Answer:

a 1:10 ratio

Step-by-step explanation:

Kisachek [45]3 years ago
7 0

Answer:

The answer to Part A is 4

The answer to Part B is 18

Explanation:

Part A:

The smallest number of socks to be selected to guarantee at least one matching pair is 4.

Part B:

The smallest number of socks to be selected to guarantee at least one matching pair of each color is 18.

You might be interested in
Here’s my dilemma, I can accept a $1000 bill or play a game ten times. For each roll of the single die, I win $500 for rolling 1
Aloiza [94]

Answer:

you should accept the $1,000 bill

Step-by-step explanation:

Given the information:

  • $500 for rolling 1 or 2
  • $400 for rolling 3
  • lose $300 for rolling 4,5,6

P (rolling 1 or 2) = 1/6 + 1/6 = 2/6 = 1/3

P (rolling a 3) = 1/6

P (rolling 4 or 5 or 6) = 3/6 = 1/2

Hence, the expected value for 1 time is:

E = (1/3)*500 + (1/6)*400 - (1/2)*300

E = $166 + $66 - $150

E = $82

Expected value is linear so if you roll the die 10 times, expected value is: 10*82 = $820

The expected value is $82, meaning you should accept the $1,000 bill

5 0
3 years ago
Find the values of x, y, and z.<br> X=?<br> Y=?<br> Z=?
astraxan [27]
I haven’t taken geometry in a couple years, so I hope this is right. I’m so sorry if it’s not!!

X= 91

Y= 62

Z= 45
4 0
3 years ago
A wooden 8x2 + 40x + 32 feet was cut into pieces of length x2 + 5x + 4 feet. How many cuts were made?​
tino4ka555 [31]

Answer:

8 pieces were obtained.

7 cuts made.

Step-by-step explanation:

(8x2 + 40x + 32) /  (x2 + 5x + 4)

= 8.

6 0
3 years ago
What is the multiplicity of each of the roots of the graph of
pantera1 [17]

Answer:

The correct option is;

C. -3, multiplicity 2; -1, multiplicity 1; 1, multiplicity 1

Please find attached the required function graph

Step-by-step explanation:

To solve the equation f(x) = 2·x⁴ + 12·x³ + 16·x² -12·x - 18, by graphing the function, we have;

x {}       F(x)

-4{}       30

-3{}       0

-2{}       6

-1{}        0

0 {}      -18

1{}         0

2{}       150

The shape of a graph with multiplicity of 2

Given that the graph bounces of the horizontal axis at the y-intercept at point x = -3, the factor (x - 3) must be a quadratic of the form (x - 3)², thereby having a multiplicity of 2 in the solution which are;

x = 1, -1, and, giving

(x - 1)·(x + 1)·(x - 3)² = 0

Therefore, the correct option is -3, multiplicity 2; -1, multiplicity 1; 1 multiplicity 1.

3 0
3 years ago
Read 2 more answers
HELP! WILL GIVE BRAINLIEST!
beks73 [17]

Answer:

Her eye discourses; I will answer it.

I am too bold; ’tis not to me she speaks:

Two of the fairest stars in all the heaven,

Having some business, do entreat her eyes

To twinkle in their spheres till they return.

Step-by-step explanation:

4 0
4 years ago
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