3 years ago

How is using a double number line similar to finding equivalent ratios?

1 answer:

4 0

One way that double number lines are similar to finding equivalent ratios is that to find your answer on a double number line, you add equivalent ratios to your number line.

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Write the simplified expression: 2(-2n + 2)

devlian [24]

Answer:

-4n+4

Step-by-step explanation:

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3 years ago

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Write the equation of the line in fully simplified slope-intercept form.

fiasKO [112]

$y = -\frac{1}{2}x - 1$

Step-by-step explanation:

Let's pick two points on the line: $P_1(-4, 1)$ and $P_2(2, -2).$ Let's calculate the slope of this line using these points:

$m = \dfrac{y_2 - y_1}{x_2 - x_1} = \dfrac{-2 - 1}{2 - (-4)} = -\dfrac{1}{2}$

With this value of the slope, we can write the general slope-intercept form of the equation as

$y = -\frac{1}{2}x + b$

To solve for the y-intercept b, let's use either P1 or P2. I'm going to use P2:

$-2 = -\frac{1}{2}(2) + b \Rightarrow b = -1$

Therefore, the slope-intercept form of the equation is

$y = -\frac{1}{2}x - 1$

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2 years ago

A study was designed to compare the attitudes of two groups of nursing students towards computers. Group 1 had previously taken

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Answer:

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3 years ago

What is the factor of the trinomial <img src="https://tex.z-dn.net/?f=x%5E%7B2%7D" id="TexFormula1" title="x^{2}" alt="x^{2}" al

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Refer to the attached for step by step explaination.

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Answer:

l:4

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Step-by-step explanation:

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