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N76 [4]
4 years ago
8

A locker combination consists of two non-zero digits. The digits in a combination are not repeated and range from 2 through 9.

Mathematics
1 answer:
77julia77 [94]4 years ago
4 0

Answer:

Answer choice B

Step-by-step explanation:

There are two possibilities; in the first, the first digit is below 5, in the second, it is above. The probability of the first possibility is 3/8, because there are 3 possible digits below 5 and 8 total digits. In this scenario, the chance of the second digit being below 5 is 2/7, because one of the digits is taken. In the other possibility, which has a chance of 5/8, the probability of choosing a number below 5 is 3/7, since all of them are still available. Doing the arithmetic, you find that the total probability is 2/7. Hope this helps!

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miskamm [114]

Answer:

\implies y=(x-2)^2-6

Step-by-step explanation:

<u>Vertex form of a quadratic equation</u>:

y=a(x-h)^2+k

where:

  • (h, k) is the vertex
  • a is some constant

<u>Given vertex</u>:  (2, -6)

⇒ h = 2 and k = -6

Substitute the values of h and k into the formula:

\implies y=a(x-2)^2+(-6)

\implies y=a(x-2)^2-6

As we have not been given a value for the constant a, assume this is 1.

Therefore, the <u>vertex form</u> of the <u>quadratic function</u> with vertex (2, -6) is:

y=(x-2)^2-6

Learn more about vertex form here:

brainly.com/question/27796555

brainly.com/question/27909020

5 0
2 years ago
Read 2 more answers
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wlad13 [49]

Answer:

18 =y

Step-by-step explanation:

56=38+y

Subtract 38 from each side

56-38=38-38+y

18 = y

8 0
4 years ago
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Let us assume number of points scored by Team B = b points.

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Total number of points scored by all teams = 983 points.

Therefore, we can setup an equation:

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Therefore, an equation to represent this scenario using the variable b to represent Team B’s total points is (2b-5) + b + (b+80) = 983.


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Serhud [2]
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