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Lorico [155]
3 years ago
11

|3x-7| + 7 = 9 What is the first solution? Plzzz help

Mathematics
1 answer:
posledela3 years ago
5 0

Answer:

  • 3 and 5/3

Step-by-step explanation:

<u>Solving in steps:</u>

  • |3x-7| + 7 = 9
  • |3x-7|  = 2

<u>1. If 3x - 7 > 0</u>

  • 3x - 7 = 2
  • 3x = 9
  • x = 3

<u>2.  If 3x - 7 < 0</u>

  • 3x - 7 = -2
  • 3x = 5
  • x = 5/3
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Answer:

2

Step-by-step explanation:

Solve. To do so, change the division sign into a multiplication sign, and flip the second fraction:

(2/3)/(1/3) = (2/3) x (3/1)

Multiply across:

(2 * 3)/(3 * 1) = (6)/(3)

Simplify:

6/3 = 2

2 is your answer.

~

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2 years ago
A line passes through the origin and has a slope of -3 what is the equation of the line that is perpendicular to the first line
Marianna [84]

Answer: y=\frac{1}{3}x+3

Step-by-step explanation:

The equation of the line is Slope-intercept form is:

y=mx+b

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The slopes of perpendicular lines are negative reciprocal.

Then, if the slope of the first line is -3, the slope of the other line must be:

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2 years ago
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Paul ships 5 copies of a photobook that he made of old family photographs to his cousins in a box
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The graph that represents the linear equation is attached below.

<h3>How to Interpret the Equation of a Linear Graph?</h3>

A linear graph can be modelled by an equation in slope-intercept form, as: y = mx + b. Here, we have:

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Given the linear equation, y = 5x + 10, it means the slope of the graph that represents this equation would be 5, while the line that intersects the y-axis would be at 10.

In the graph attached below, the slope is 5, and the y-intercept is 10.

Therefore, the graph that represents the linear equation is attached below.

Learn more about the linear equation graph on:

brainly.com/question/14323743

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