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3 years ago

In a class 30 of students, 13 have a cat and 7 have a dog. There are 4 students who

Mathematics

1 answer:

AVprozaik [17]3 years ago

7 0

Answer:

4/13

Step-by-step explanation:

"given that they have a cat?" means you are referring to only the students that have cats(that is the number on the bottom)

i am very bad at explaining math lol

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What is the equation of the line in point-slope form?

evablogger [386]

Answer:

$y +500 = -\frac{1}{5}(x - 100)$

Step-by-step explanation:

Given

The attached graph

Required

Determine the equation in point slope form

From the graph, we have the following points;

$(x_1,y_1) = (-400,-400)$

$(x_2,y_2) = (100,-500)$

First, we calculate the slope (m):

$m = \frac{y_2 - y_1}{x_2 - x_1}$

$m = \frac{-500 - (-400)}{100- (-400)}$

$m = \frac{-500 +400}{100+400}$

$m = \frac{-100}{500}$

$m = -\frac{1}{5}$

The equation is then calculated using:

$y - y_2 = m(x - x_2)$

Substitute x and y values

$y - (-500) = -\frac{1}{5}(x - (100))$

$y +500 = -\frac{1}{5}(x - 100)$

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2 years ago

A dolphin is 1,000 feet below the sea level, it begins ascending at the rate of 20 feet per second. Assume the dolphins continue

Darya [45]

Starts at 1,000feet
Each second is getting 20 feet closer to the surface since is ascending ( going higher)

1,000/20= 100/2=50 second it takes to reach the surface

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3 years ago

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BaLLatris [955]

Answer:

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Step-by-step explanation:

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3 years ago

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Vsevolod [243]

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Step-by-step explanation:

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3 years ago

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