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Pepsi [2]
3 years ago
13

Paige was playing a trivia game where you gained points for correct answers and lost points for incorrect answers. At the start

of round 3 she was -700 points. During the round she answered eight 400 point questions correct and she answered nine 600 questions incorrect. What was her score at the end of the round
Mathematics
1 answer:
victus00 [196]3 years ago
5 0

Givens

Start = S = - 700

# Correct = C = 8

Value Correct = VC = 400

# Incorrect =I = 9

Value Incorrect =VI =  - 600

Equation

Score = S + C*VC + I*VI         Substitute

Solve

Score = -700 + 8*400 + 9(-600)

Score = -700 + 3200 - 5400

Score = - 700 - 2200

Score = - 2900 <<<<< Answer

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Step-by-step explanation:

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A rectangle has its vertices at (-4, -3), (-4,7), (1,7), (1, -3). What part, in percent, of the rectangle is located in Quadrant
Rasek [7]

Consider the attached figure. The whole rectangle is ABCD, while AEGF is the part located in the third quadrant. In fact, this quadrant is composed by all the points with both coordinates negative.

To answer the question, let's compute the area of the two rectangles and see what part of ABCD is AEGF.

A and B have the same x coordinate, so the length of AB is given by the absolute difference of their y coordinates:

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Similarly, but exchanging the role of x and y, we compute the length of BC:

\overline{BC} = |B_x-C_x| = |-4-1| = |-5| = 5

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The same procedure allows us to compute width and height of the sub-rectangle in the third quadrant:

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\overline{EG} = |E_x-G_x| = |-4-0| = |-4| = 4

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This means that the ratio between the two area is

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3 years ago
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Step-by-step explanation:

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12x + 15y = 4140             .....(1)

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Now solving equation 1 and 2.

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x = 300 - y

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