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aliina [53]
4 years ago
10

How do I solve these step by step? I am having trouble figuring it out..

Mathematics
1 answer:
ASHA 777 [7]4 years ago
4 0

Answer:

1. x=69/40

2. x=3/4

Step-by-step explanation:

#1 steps

1. Convert the decimals to fractions

x/9/20 = 23/100/3/50

2. Simplify the fractions

20x/9 = 23/6

3. Simplify the equation using cross multiplication

6 * 20x = 23 * 9

120x = 207

4. Divide both sides by 120

x = 69/40

#2 steps

1. Simplify the fractions

1/3/1/6 = 3/2/x

2 = 3/2/x

2 = 3/2x

2. Multiply both sides by the equation 2x

4x = 3

3. Divide both sides by 4

x = 3/4

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Find the equation for the line of best fit using the two points that are close to the line of best fit (2,70) and (4.5, 90)
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Given:

Two points that are close to the line of best fit are (2,70) and (4.5, 90).

To find:

Th equation of best fit line using the given two points.

Solution:

We know that, if a line passes through the two points, then the equation of line is

y-y_1=\dfrac{y_2-y_1}{x_2-x_1}(x-x_1)

Two points (2,70) and (4.5, 90) are close to the best fit line.

Consider the two points (2,70) and (4.5, 90). So, the equation of line is

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