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FrozenT [24]
3 years ago
10

If I got an A-, B+ and an A which they are all worth 30 points, whats my grade?

Mathematics
2 answers:
UNO [17]3 years ago
8 0
An a- the a and the b+ average to an a- and there is an extra a- to stabilize the averages.
monitta3 years ago
4 0

Answer:

a-

Step-by-step explanation:

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Maurinko [17]
Let's assign these coordinate points as P1(-3,2), P2(-2,-1), P3(2,-1) and P4(3,3). When you plot these points (shown in the picture), they are widely scattered. Therefore, they must not be a trend. Since you forgot to include the options, I would just make a smart guess that these coordinates form a shape which is quadrilateral. I just have to make use of what I have. From the given, I could possibly determine the area of the quadrilateral. 

First, you need to plot the points in a cartesian plane as what is shown at the top of the attached picture. Then, you make a matrix wherein the x coordinates are placed in the first row, and the y coordinates in the second row (shown as the black box in the picture). Make sure that you arrange the points in order (whether clockwise or counterclockwise). 

Once you create the matrix, you find its determinant. This is done by multiplying the numbers diagonally. The equation will be: arrow down - arrow up. The solution is as follows:

Determinant = [(-3×-1) + (-2×-1) + (2×3)] - [(2×-2) + (-1×2) + (-1×3)] = 20

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Thus, the output of the point plotted together creates a quadrilateral with an area of 10 square units.

5 0
3 years ago
Answer? I’m struggling
Dennis_Churaev [7]

a. 3\frac{11}{12}

b.\frac{4}{3}

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Rock musician Donny West is paid 15% on his CD sales and tour video sales. Last year, he sold one million CDs and 550,000 videos
olganol [36]
He had $5,000,000 in CD sales; $3,300,000 in video sales; and he earned $1,245,000 in royalties.

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3 years ago
[ANSWER FOR BRAINIEST]
s2008m [1.1K]

Note the order of the letters:

A C E G

M N P R

You read it like this:

A ≅ M

C ≅ N

CE ≅ NP

AG ≅ MR

... and so on

In the following choices:

CE ≅ NP is the true statement

8 0
3 years ago
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