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tangare [24]
3 years ago
9

If a = 9-4√5 find the value of a - 1/a

Mathematics
1 answer:
e-lub [12.9K]3 years ago
7 0
The solution is attached 
the answer is -8√5  

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Click on the correct answer.
Galina-37 [17]

Answer:

A, $1.08

Step-by-step explanation:

1.20 / 90 = 1.08

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5 0
3 years ago
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If A and B are mutually exclusive events, then P(A or B) = P(A) + P(B).
Korolek [52]

Answer:

P(A or B) = 25%

Step-by-step explanation:

P(A and B) = 30%

P(A) = 40%

P(B) = 15%

Apply given formula:

P(A or B) = P(A) + P(B) - P(AB)

= 40%+15+-30%

= 25%

8 0
3 years ago
Can I actually get help and not people saying random stuff just for points????
loris [4]
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3 years ago
Venti cold brew coffee has approximately
Radda [10]
The answer is:
144mg

Working out/ Explanation:
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2 years ago
Consider the graph below:
ladessa [460]

Answer:

y=-5/4x+5

Step-by-step explanation:

The line goes down 5 for every 4 to the right, and it crosses the y-axis at (0,5).

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