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barxatty [35]
2 years ago
8

Pls help someone pls pls help I have exam tomorrow

Mathematics
1 answer:
ladessa [460]2 years ago
4 0

Answer:

n(A \cup \: B) = n(A) + n(B) - n(A \cap \: B)\\ = 9 + 11 - 5 = 15 \\

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Step-by-step explanation:

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What is the midpoint of the line segment with endpoints ( 3.5,2.2) and (1.5,-4.8)?
Fantom [35]

Answer:

Option A) (2.5,-1.3) is correct

The midpoint of the given line segment is M=(2.5,-1.3)

Step-by-step explanation:

Given that the line segment with end points (3.5, 2.2) and (1.5, -4.8)

To find the mid point of these endpoints midpoint formula is M=\left(\frac{x_1+x_2}{2}, \frac{y_1+y_2}{2}\right)

Let (x_1,y_1) be the point (3.5, 2.2) and (x_2, y_2) be the point (1.5, -4.8)

substituting the points in the formula

M=\left(\frac{x_1+x_2}{2}, \frac{y_1+y_2}{2}\right)

M=\left(\frac{3.5+1.5}{2}, \frac{2.2-4.8}{2}\right)

=\left(\frac{5}{2}, \frac{-2.6}{2}\right)

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Therefore M=(2.5,-1.3)

The midpoint of the given line segment is M=(2.5,-1.3)

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3 years ago
jonah paid $25 for dues to a cub last year. This year he paid $35 for dues. By what percent did his dues increase
4vir4ik [10]

Answer:

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Step-by-step explanation:

percent increase = (new - original)/ original

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Step-by-step explanation:

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