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anygoal [31]
3 years ago
8

use the slope formula to determine the slope of a line that passes through the points (4,9) and (-8,-6)

Mathematics
1 answer:
larisa86 [58]3 years ago
6 0

\frac{-6-9}{-8-4}\\ \\\frac{-15}{-12}\\ \\= \frac{5}{4}

Slope: 5/4

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Answer:

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Graph the image of this figure after a dilation with a scale factor of 2 centered at the origin.
zavuch27 [327]
Find ever origin and then   multiplying by the  <span>scale factor of 2 and i promise you will get your answer</span>
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3 years ago
A line passes through the given points. Write an equation for the line in point-slope form. Then rewrite the equation in slope-i
Andre45 [30]

Answer:

The answer to your question is  a)      y - 2 = -5(x - 3)  

                                                      b)     y = -5x + 17  

Step-by-step explanation:

Data

A (1, 12)

B (3, 2)

Process

1.- Find the slope

Formula

m = \frac{y2 - y1}{x2 - x1}

Substitution

m = \frac{2 - 12}{3 - 1} = \frac{-10}{2} = - 5

2.- Find the equation in point slope form

Equation

                             y - y1 = m(x - x1)

Substitution and equation

                           y - 2 = -5(x - 3)

3.- Find the slope-intercept form

Expand the point slope form

                           y - 2 = -5x + 15

Simplify

                           y = -5x + 15 + 2

Equation

                          y = -5x + 17                                            

6 0
4 years ago
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A fish tank is 60cm long, 30cm wide, 40cm high and contains 70L of water. Rocks with a volume of 3000cm cubed are placed into th
hichkok12 [17]

The tank WILL overflow.

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amount of L * 1000= cm^3

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<em>There is already 70000cm^3 of water in the tank</em>

70000cm^3 + 3000cm^3 = 73000cm^3

The tank can only hold 72000cm^3 and the water and rocks are 73000cm^3, so the tank will overflow.

8 0
3 years ago
Roman buys seed packets for the school garden. One packet of radish seeds costs $1.75. One packet of tomato seeds costs $2.50. L
DedPeter [7]

Answer:

9 tomato and 23 radish

Step-by-step explanation:

r - number of radish seeds

t - number of tomato seeds

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$62.75 = $62.75

The answer checks out. Therefore, Roman bought 9 packets of tomato seeds and 23 packets of radish seeds.

Hope that helps.

7 0
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