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umka2103 [35]
2 years ago
7

The plot shown below describes the relationship between student scores on the first exam in class and their corresponding scores

on the second exam class a line is fit to the data to model the relationship
Mathematics
2 answers:
nirvana33 [79]2 years ago
8 0

Answer: y=x estimate: 88

Step-by-step explanation:

Natali [406]2 years ago
7 0

Answer:

88

Step-by-step explanation:

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What is equivalent to the square root of -27
lions [1.4K]
For the square root of a negative number, you would have to get into imaginary numbers. If you haven't learned about it yet, then the answer would be no real solutions. But if you have, here's how to solve it:

First, identify that 9 x 3 = 27. To after taking the square root, you will get 3√3 (Since the square root of 9 is 3 and there's no square root of 3, so leave it in the √)

However, since it is a negative number, you will have to include the letter i in the answer. i represents the imaginary part of it since you can't have a negative number in the square root.

So your answer will look like 3i√3.
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3 years ago
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3 years ago
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6 0
3 years ago
What is the area of this trapezoid?
liberstina [14]

Answer:

7.5\:\text{square units}

Step-by-step explanation:

The area of a trapezoid is given by the average of the bases multiplied by the height.

What we're given:

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The average of the bases 1 and 4 is equal to \frac{4+1}{2}=\frac{5}{2}=2.5

Therefore, the area of the trapezoid is 2.5\cdot 3=\boxed{7.5\:\text{square units}}

4 0
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