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3 years ago

Find the product ( x ≠ ? )

Mathematics

1 answer:

dsp733 years ago

8 0

Answer:

-3

Step-by-step explanation:

if x= -3

the denominator becomes 0 and the fraction becomes undefined.

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Determine if events A and B are mutually exclusive.

gladu [14]

Answer:

A) Not mutually exclusive

Step-by-step explanation:

Given

$P(A) = \frac{1}{4}$

$P(B) = \frac{3}{5}$

$P(A\ or\ B) = \frac{7}{10}$

Required

Determine if they are mutually exclusive or not

Mutually exclusive are defined by:

$P(A\ or\ B) = P(A) + P(B)$

So, we have:

$P(A\ or\ B) = \frac{1}{4} + \frac{3}{5}$

Take LCM

$P(A\ or\ B) = \frac{5+12}{20}$

$P(A\ or\ B) = \frac{17}{20}$

By comparing:

$P(A\ or\ B) = \frac{17}{20}$ ---- Calculated

$P(A\ or\ B) = \frac{7}{10}$ ---- Given

We can conclude that A and B are not mutually exclusive because:

$\frac{17}{20} \ne \frac{7}{10}$

6 0

3 years ago

If 8, x, 18 form a geometric sequence , find a value for x

katrin [286]

Answer: 13

Step-by-step explanation: It goes up by 5 so 8, 13, 18, 23, and etc

Please tell me if I'm wrong

4 0

3 years ago

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Which rectangular prism has a surface area of 56 square units? [Note: Art is not drawn to scale.]

Colt1911 [192]

Answer:

Step-by-step explanation:

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3 years ago

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If x represents the probability of an event happening, then which of the following represents the probability that the event wil

Bad White [126]

If the turn out of an event is to take place or not to take place only then, the sum of the probability of it taking place and not taking place is 1. If we represent the probability of it taking place by x then, the probability of it not taking place is equal to 1 - x.

6 0

3 years ago

Evaluate 12 divided by (-3)(2) + 5. a) -13 b) 3 c) -3

svlad2 [7]

Answer:

Step-by-step explanation:

12 divided by -6 is -2, plus 5 is 3

3 0

3 years ago