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PtichkaEL [24]
3 years ago
8

Write the intersection and union of N and W.

Mathematics
1 answer:
Serjik [45]3 years ago
5 0

Answer:

N n W = {1,2,3,4}

N u W = {0,1,2,3,4,}

Step-by-step explanation:

N n W = {1,2,3,4}

N u W = {0,1,2,3,4,}

n - intersection means the common elements between N and W

U - represents all elements within N and W

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In the seventh grade, Rachel read 15 books.
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Answer:

20%

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Please help with 32 and 33, thank you.
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Answer:

32. ∛((x-7)/4) = f^(-1)(x)

33. -10x - 9

Step-by-step explanation:

32. We want to switch f(x) and x, and then solve for f(x) to get the inverse.

x = 4f(x)³ + 7

subtract 7 from both sides

x -7 = 4f(x)³

divide both sides by 4

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cube root both sides

∛((x-7)/4) = f(x)

make f(x) f^(-1)(x) because this is now the inverse

∛((x-7)/4) = f^(-1)(x)

the second answer is correct

33. for composition, we can treat (f · g) (x) as attached picture (content filter!), so we plug g(x) into f(x). This results in

2(-5x-7) + 5

expand

-10x - 14 + 5

add

-10x - 9

the second answer is correct

4 0
3 years ago
The consumption of cigarettes in the United States is declining. if t represents the number of years since 1990, then the consum
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the longer diagonal is 4 more than the shorter diagonal of a kite. The area is 5 times the shorter diagonal. If the shorter side
Valentin [98]
Correct answer:
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Explanation:
This problem can be solved by applying the area formula:



Since this question provides the area of the kite and length of one diagonal, plug that information into the equation to solve for the missing diagonal.

Thus the solution is:

60=8×diagonalB2

60×2=8×diagonalB

120=8(diagonalB)

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6 0
3 years ago
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