Flying with the wind a plane went 386 km/h. Flying into the same wind the plane only went 318 km/h. find the speed of the plane
1 answer:
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The equation perpendicular to the line passing through the points (-4,7) and (1,3) is
The slope of the given line is calculated as:
The equation perpendicular to the given line will be of the form
Substitute
Therefore, the equation perpendicular to the line passing through the points (-4,7) and (1,3) is
Learn more on perpendicular equations here: brainly.com/question/1441594
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The profit on each book is $ 5.25
<em><u>Solution:</u></em>
Given that, the drama club at school sells $ 15.00 coupon books
Their profit is 35% of the total sales
Therefore,
Cost of a coupon book = $ 15
Profit = 35% of the total sales
We have to find the profit on each book
If a book is sold for $ 15 and then profit will be 35 % of 15
Let us find 35 % of 15
Thus profit on each book is $ 5.25