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2 years ago

14

Plz help me understand number 20

2 answers:

ololo11 [35]2 years ago

7 0

Answer:

-2.45

Step-by-step explanation:

yes it is the correct answer

Alecsey [184]2 years ago

3 0

-2.45 will be the write answer

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Given:

$\dfrac{?}{5}+\dfrac{18}{20}=\dfrac{30}{20}$

To find:

The missing value.

Solution:

Let x be the missing value.

We have,

$\dfrac{x}{5}+\dfrac{18}{20}=\dfrac{30}{20}$

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Subtract $\dfrac{9}{10}$ from both sides.

$\dfrac{x}{5}=\dfrac{3}{2}-\dfrac{9}{10}$

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$\dfrac{x}{5}=\dfrac{6}{10}$

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So, the missing value is 3.

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3 years ago

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What is the slope of the line that passes through the points (-2, -3), and (5, 4)?

fomenos

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<h3>To find the slope, use this formula</h3>

$\frac{y2-y1}{x2-x1}$

<h3>Put in the values</h3>

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