3 years ago

Find the slope of the line that passes through each pair of points. (-3, 4) and (2, -3)

Mathematics

1 answer:

Nady [450]3 years ago

5 0

Answer:

- $\frac{7}{5}$

Step-by-step explanation: this equation works if you have two points

$\frac{ y_{2-y_{1} } }{x_{2}-x_{1} } =slope$

-3-4/2-(-3)=-7/5

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The scores on a test for a sample of 42 statistics students are summarized in the following table. 9, 90, 18, 80, 15, 70. Find t

igomit [66]

<h3>Answer: 78.6</h3>

Work Shown:

$\begin{array}{|c|c|} \cline{1-2}\text{Number of People} & \text{Score}\\\cline{1-2}9 & 90\\\cline{1-2}18 & 80\\\cline{1-2}15 & 70\\\cline{1-2}\end{array}$

Multiply across the rows to form a third column. Example: 9*90 = 810 in the first row.

$\begin{array}{|c|c|c|} \cline{1-3}\text{Number of People} & \text{Score} & \text{Number*Score}\\\cline{1-3}9 & 90 & 810\\\cline{1-3}18 & 80 & 1440\\\cline{1-3}15 & 70 & 1050\\\cline{1-3}\end{array}$