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3 years ago

8

There are 4 students in a small class. To make a team, the names of 2 of them will be drawn from a hat. How many different teams

of 2nstudents are possible?

2 answers:

inessss [21]3 years ago

6 0

Answer:

3

Step-by-step explanation:

2*2 - 1 = 3

never [62]3 years ago

3 0

Answer:

3

Step-by-step explanation:

List all the different teams:

A+B, C+D

A+C, B+D

A+D, B+C

There are 3.

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3 years ago

The perimeter of a rectangular goat pen is 28 meters. The pen is 5 meters wide. How long is it?

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Step-by-step explanation:

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2 years ago

Read 2 more answers

Which of the binomials below is a factor of this trinomial? x^2 + 3x - 4A. x+4B. x+8C. x-4D. x^2+4

Usimov [2.4K]

Given:

The equation is:

$x^2+3x-4$

Find-:

Binomials factor of the equation

Explanation-:

The quadratic equation,

$x^2+3x-4$

Solve for factor

$\begin{gathered} =x^2+3x-4 \\ \\ =x^2+4x-x-4 \\ \end{gathered}$

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$\begin{gathered} =x^2+4x-x-4 \\ \\ =x(x+4)-1(x+4) \\ \\ =(x+4)(x-1) \end{gathered}$

So, the factor is x + 4

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1 year ago

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