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3 years ago

11

Find the slope of the line through the points (-4, 3) and (3, 5)

2 answers:

Amanda [17]3 years ago

6 0

Answer: 2/7

Step-by-step explanation:

Slope is ∆y/∆x. ∆ is read as "delta". The "delta" sign means "the difference between". So that means the difference between the y-coordinates divided by the x-coordinates gives us slope. Therefore, using the coordinates, 5-3 gives us the rise. And 3-(-4) gives us the run. Rise/Run is also equivalent to the slope. Thus, our final answer is 2/7.

lukranit [14]3 years ago

3 0

Use the formula y2 -y1/x2-x1

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0.01 written as a percent then round to the nearest tenth of a percent

Aleks [24]

Answer and step-by-step explanation:

To write it as percent, multiply it with 100, we get:

0.01 * 100 = 1%

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So as we can see 1% is nearest to 10% so we round it up to 10%

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3 years ago

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Assoli18 [71]

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Step-by-step explanation:

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3 years ago

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2 years ago

What type of triangle has no sides that are the same ?

Goryan [66]

Answer:

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Step-by-step explanation:

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8 0

3 years ago

Read 2 more answers

Solve the following rational equation plz help!!

Yuri [45]

Answer:

x = $\frac{9}{4}$

Step-by-step explanation:

Given

$\frac{4x}{x+1}$ - $\frac{5}{x}$ = $\frac{4}{x^2+x}$ ← factor denominator

$\frac{4x}{x+1}$ - $\frac{5}{x}$ = $\frac{4}{x(x+1)}$

[ x ≠ 0, x ≠ - 1 as these would make the terms undefined ]

Multiply through by x(x + 1)

4x² - 5(x + 1) = 4

4x² - 5x - 4 = 4 ( subtract 4 from both sides )

4x² - 5x - 9 = 0 ← in standard form

(x + 1)(4x - 9) = 0 ← in factored form

Equate each factor to zero and solve for x

x + 1 = 0 ⇒ x = - 1

4x - 9 = 0 ⇒ 4x = 9 ⇒ x = $\frac{9}{4}$

However, x ≠ - 1 for reason given above, then

solution is x = $\frac{9}{4}$

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3 years ago