Set up the equation for the following word problem and solve the equation. Let y be the unknown number.

Mathematics

1 answer:

Rama09 [41]3 years ago

5 0

Answer:

i have no idea.

Step-by-step explanation:

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↓can somone answer this for 10 points↓

Gekata [30.6K]

Answer:

15P3 = 15!/ (15-3)! = 15*14*13*12! / 12! = 15*14*13

Step-by-step explanation:

When the seats are empty, there are a total of 15 people that can possibly sit in there. There will only be 1 person left.

When the 1st seat is taken there are now 14 people who can possibly sit on another chair. Same goes when 2 seaats are taken.

To find the total number of possibilities, we multiply together the possible number of people for seat 1, seat2, and seat 3.

Or, if we use stat, nPr = n! / (n-r)!

Meaning:

15P3 = 15!/ (15-3)! = 15*14*13*12! / 12! = 15*14*13

7 0

3 years ago

The Students' Conjectures Emily and Zach have two different polynomials to multiply: Polynomial product A: (4x2 – 4x)(x2 – 4) Po

noname [10]

Complete Question:

Emily and Zach have two different polynomials to multiply: Polynomial product A: (4x2 – 4x)(x2 – 4) Polynomial product B: (x2 + x – 2)(4x2 – 8x) They are trying to determine if the products of the two polynomials are the same. But they disagree about how to solve this problem.

Answer:

$A = B$