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const2013 [10]
2 years ago
9

Simplity the expression. 3(2y - 8) - 2y(5 - y)

Mathematics
2 answers:
o-na [289]2 years ago
3 0

Answer:

2y² - 4y - 24

General Formulas and Concepts:

<u>Pre-Algebra</u>

  • Distributive Property

<u>Algebra I</u>

  • Terms/Coefficients

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify</em>

3(2y - 8) - 2y(5 - y)

<u>Step 2: Simplify</u>

  1. [Distributive Property] Distribute 3 and -2y:                                                       6y - 24 - 10y + 2y²
  2. Combine like terms:                                                                                         2y² - 4y - 24
Gekata [30.6K]2 years ago
3 0
ANSWER: 2y^2-4y-24

I wanted to verify the answer was correct

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The population at Bishop High School is 2000 students in 2011. Every year the population decreases by 50 students
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Answer:

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Step-by-step explanation:

Given: The population at Bishop High School students in 2011 =2000

Also,  Every year the population decreases by 50 students which implies the rate of decrease in population is constant.

So, the function is a linear function.

Let p be the population at t be the number of years since 2011.

Then, p=2000-50t

So at t=0, p=2000

In year 2015, t=4, substitute t=4 in the above equation ,we get

p=2000-50(4)\\\Rightarrow\ p=2000-200\\\Rightarrow\ p=1800

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Now, put p=1600 in the function , we get

1600=2000-50t\\\Rightarrow50t=2000-1600\\\Rightarrow50t=400\\\Rightarrow\ t=\frac{400}{50}\\\Rightarrow\ t=8

Now, 2011+8=2019

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Step-by-step explanation:

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