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Eva8 [605]
2 years ago
8

A locker requires a three-digit code to open the lock. The code must contain one letter and two numbers, and no letter or number

can be repeated. You can choose from among four letters, A, B, C, and D, and two numbers, 5 and 6.
The size of the sample space is


If a code is chosen at random, the probability that it has a letter that immediately follows an odd number is


If a code is chosen at random, the probability that D is in the code but is not in the first position is
Mathematics
2 answers:
mixas84 [53]2 years ago
5 0

A locker requires a three-digit code to open the lock. The code must contain one letter and two numbers, and no letter or number can be repeated. You can choose from among four letters, A, B, C, and D, and two numbers, 5 and 6.

The size of the sample space is: (8, 16, 20, 24)

If a code is chosen at random, the probability that it has a letter that immediately follows an odd number is: (1/8, 1/6, 1/3, 2/5, 2/3)

If a code is chosen at random, the probability that D is in the code but is not in the first position is: (1/8, 1/6, 1/3, 2/5, 2/3)

yanalaym [24]2 years ago
5 0

Answer:

B56 or D65 or B65 or D56

Step-by-step explanation:

a. 36, 26letters + 10 numbers

b. 1/2

c. 1/4

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What is the equation in vertex form of the quadratic function with a vertex at (-1, -4) that goes through (1, 8)?
cestrela7 [59]

Answer:

y = 3(x+1)^2 - 4

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y - k = a(x-h)^2, or

y      = a(x-h)^2 - k

Substituting the coefficients of the vertex (-1, -4), we get:

y      = a(x + 1)^2 - 4

Substituting the coordinates of the given point, (1,8), we get:

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8  = 4a - 4.  Then 4a = 12, and a = 3.

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5 0
3 years ago
Is this right? and if so. how
Murrr4er [49]
You answer is correct. For example

Even:
16+4 = 20

194+4=198


Odd:
13+4=17

235+4=239
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Find the sale price of a $50 bookshelf that is on sale for 15% off.
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Answer:

You will pay $42.50

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5 0
2 years ago
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