3 years ago

Explain why it is recommended that you combine like terms first when solving equations.

2 answers:

8 0

You would get different answers if you didn't follow the rule of PEMDAS, or the order of operations: Parentheses, Exponents, Multiply, Divide, Add, and Subtract, in that order.

8090 [49]3 years ago

6 0

It makes it easier and les likely to make mistkae

would you rather do

3(x+4-2+2x) or
3(3x+2)

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What is the slope of the line that passes through the points (3,1) and (-2,5)

evablogger [386]

Answer:

D.) -4/5

Step-by-step explanation:

Ok, so we need to calculate the change in y over the channge in x, rise over run.

(3-(-2)=5 1-5=-4) -4/5

6 0

3 years ago

Read 2 more answers

How many diagonals can be drawn from a vertex of an n-gon?

Len [333]

Answer In a poligon of n sides can be drawn n-3 diagonals from each vertex.

Explanation The triangle is the first closed polygon, which has three sides and it is not possible to draw any diagonal from a vertex. In a polygon with four sides it is already possible to draw a diagonal from each vertex to the opposite one. Then diagonals = n-3.

$\textit{\textbf{Spymore}}$