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2 answers:
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The cost of the mp3 player after the discount is $27.98.
<h3>What is percentage?</h3>A percentage is a number or ratio that can be expressed as a fraction of 100. If we have to calculate percent of a number, divide the number by whole and multiply by 100.
Given
An mp3 player is on sale for 30% off the regular price of $39. 98.
The price of the mp3 player after the 30% is given
The cost of mp3 player after 30% discount is;
= $39.98 - $11.99 = $27.98
Hence, the cost of the mp3 player after the discount is $27.98.
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Answer:
The equation of line through (-3,1) and slope 2 in slope-intercept form is: y = 2x+7
Step-by-step explanation:
The slope-intercept form of an equation is given by:
here m is the slope of the line and b is the y-intercept
Given
Putting m=2 in the general form
In order to find the y-intercept, the given point (-3,1) will be substituted in the equation
So
Putting the value of b
Hence,
The equation of line through (-3,1) and slope 2 in slope-intercept form is: y = 2x+7