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Anit [1.1K]
3 years ago
6

What is the slope of the line that passes through (-2, 7) and (4, 9)?

Mathematics
2 answers:
Bond [772]3 years ago
7 0

\bf (\stackrel{x_1}{-2}~,~\stackrel{y_1}{7})\qquad (\stackrel{x_2}{4}~,~\stackrel{y_2}{9}) \\\\\\ slope = m\implies \cfrac{\stackrel{rise}{ y_2- y_1}}{\stackrel{run}{ x_2- x_1}}\implies \cfrac{9-7}{4-(-2)}\implies \cfrac{9-7}{4+2}\implies \cfrac{2}{6}\implies \cfrac{1}{3}

kotegsom [21]3 years ago
7 0

Answer:

1/3

Step-by-step explanation:

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2 years ago
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Joanna buys a table and 2 chairs. She receives a 25% discount for being a preferred customer and then pays 6% sales tax on the d
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The total purchase price is $ 357.75

<em><u>Solution:</u></em>

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Cost of 1 chair = $ 100

Therefore, cost of a table and 2 chairs = 250 + 2(100) = 450

Thus, cost price = $ 450

<em><u>She receives a 25% discount for being a preferred customer</u></em>

Therefore, discount = 25 % of cost price

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Thus, amount after discount = cost price - discount

amount after discount = 450 - 112.5 = 337.5

Thus, amount after discount is $ 337.5

<em><u>Then pays 6% sales tax on the discounted purchase price</u></em>

Sales tax = 6 % of 337.5

sales\ tax = 6 \% \times 337.5\\\\sales\ tax = \frac{6}{100} \times 337.5\\\\sales\ tax = 20.25

<em><u>Thus, total purchase price is given as:</u></em>

total purchase price = Amount after discount + sales tax

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Thus total purchase price is $ 357.75

4 0
3 years ago
Which transformations are needed to change the parent some function to the sine function below?
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So the first choice looks like a good answer.
5 0
3 years ago
Read 2 more answers
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