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Simora [160]
3 years ago
6

Line CD passes through points (0, 2) and (4, 6). Which equation represents line CD?

Mathematics
1 answer:
Lena [83]3 years ago
7 0

Answer:

C

Step-by-step explanation:

We know that line CD passes through the two points (0, 2) and (4, 6).

First and foremost, let’s find the slope of the line. We can use the slope formula:

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

Where (x₁, y₁) and (x₂, y₂) are our two points.

So, let’s let (0, 2) be (x₁, y₁) and (4, 6) be (x₂, y₂). Substitute appropriately:

\displaystyle m=\frac{6-2}{4-0}

Evaluate:

\displaystyle m=\frac{4}{4}=1

Hence, our slope is 1.

Now, we can use the slope-intercept form:

\displaystyle y=mx+b

Where m is our slope and b is our y-intercept.

Notice from our given points that we are given (0, 2).

So, our y-intercept is 2.

Therefore, we will substitute 1 for m and 2 for b. This yields:

\displaystyle y=(1)x+(2)

Simplify:

\displaystyle y=x+2

Hence, our answer is C.

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Answer:

x = -2

Step-by-step explanation:

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since, f(x)= -20

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Any time Speedy the Sloth is not sleeping, she drinks chamomile tea at a steady rate of 2/7 of a cup per hour. Yesterday, she dr
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<u><em>Answer:</em></u>

She stayed awake for 295 minutes today

<u><em>Explanation:</em></u>

<u>We are given that:</u>

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<u>This means that:</u>

Number of cups she drank today = 1+\frac{17}{42}=1\frac{17}{42}cups

Now, we know that she drinks \frac{2}{7} of a cup per hour any time she is not sleeping

We use cross multiplication to get the time she took to drink 1\frac{17}{42} cups

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<u>Finally, we convert this to minutes:</u>

Knowing that 1 hour has 60 minutes, therefore:

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Hope this helps :)

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Answer:

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Step-by-step explanation:

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