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AleksAgata [21]
4 years ago
13

I need help with #9 and plz show work :)

Mathematics
1 answer:
earnstyle [38]4 years ago
6 0

Answer:

\large\boxed{q=\dfrac{1-pr}{p}}

Step-by-step explanation:

p(q+r)=1\qquad\text{use the distributive property}\\\\pq+pr=1\qquad\text{subtract}\ pr\ \text{from both sides}\\\\pq=1-pr\qquad\text{divide both sides by}\ p\neq0\\\\q=\dfrac{1-pr}{p}

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4 years ago
Evaluate the expression when m = 63 and n = 45
sesenic [268]

The value of the given expression (3m - n)² + 4m when m = 63 and n = 45 is equal to 20,916.

<h3>What is an expression?</h3>

An expression can be defined as a mathematical equation which is used to show the relationship existing between two or more variables and numerical quantities.

<u>Given the following variables:</u>

  • m = 63.
  • n = 45.

Substituting the given variables into the given expression, we have;

Expression = (3m - n)² + 4m.

Expression = (3(63) - 45)² + 4(45).

Expression = (189 - 45)² + 180

Expression = 144² + 180

Expression = 20,736 + 180

Expression = 20,916.

Read more on expressions here: brainly.com/question/28260012

#SPJ1

Complete Question:

Evaluate the expression when m = 63 and n = 45. (3m - n)² + 4m.

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