Answer:
A: (-2, 0)
B: (-1, 0)
C: (-1/4, 0)
D: (1/4, 0)
E: (1/2, 0)
F: (1 1/2, 0)
G: (2, 0)
H: (2 3/4, 0)
I: (3 1/2, 0)
Step-by-step explanation:
<em>From the graph we can see that every 4th line from </em><em>0</em><em> is a </em><em>whole unit</em><em>. </em>
<em>I put a </em><em>0</em><em> in place of the </em><em>y value</em><em> for every coordinate because the points don't move neither up nor down.</em>
You calculate the markup or markdown in absolute terms (you find by how much the quantity changed), and then you calculate the percent change relative to the original value. So they're really just another form of "increase - decrease" exercises.
Example:
A computer software retailer used a markup rate of 40%. Find the selling price of a computer game that cost the retailer $25.
The markup is 40% of the $25 cost, so the markup is:
(0.40)(25) = 10
Then the selling price, being the cost plus markup, is:
25 + 10 = 35
The item sold for $35.
In this right triangle, you are given the measurements for the hypotenuse, c, and one leg, b. The hypotenuse is always opposite the right angle and it is always the longest side of the triangle. To find the length of leg a, substitute the known values into the Pythagorean Theorem. Solve for a2.
Hope this helps!
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