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Elodia [21]
2 years ago
13

Is -5.28 rational or irrational

Mathematics
1 answer:
V125BC [204]2 years ago
8 0

rational

-5.28 can be written as a fration:

    -5.28 = -528/100

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Step-by-step explanation:

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2 years ago
Which graph represents the function f (x) = StartFraction 4 Over x EndFraction?
beks73 [17]

Answer:

2nd graph (image)

Step-by-step explanation:

The function to graph is:

f(x)=\frac{4}{x}

It follows the general pattern of the function:  f(x)=\frac{1}{x}, which is general shape and in 1st and 3rd quadrants. So, we can eliminate 3rd and 4th choices (because of quadrants).

The answer is either 1st, or 2nd graph.

Now, we simply can check a point in both.

lets take x = 4, so the function would be:

f(4) = 4/4 = 1

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(4,1)

The first graph doesn't go through this point. The second graph does.

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3 years ago
Read 2 more answers
A and B are two events.
Burka [1]

Answer:

Not independent.

Step-by-step explanation:

Given that P(A)=0.25 , P(B)=0.2 , and P(A and B)=0.04

To check whether A and B are independent.

Two events are independent if

P(A/B) = P(A) or P(B/A) = P(B) or P(AB) = P(A) P(B)

if any one of the above three is true also, the two events would be independent.

Let us find out first one

P(A/B ) = P(AB)/P(B) (as per conditional probability formula)

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But P(A) = 0.25 and not equals P(A/B)

Hence we can conclude that A and B are not independent

because P(A/B) not equals P(A)


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Answer:

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Step-by-step explanation:

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We will start by adding 3x to both sides. This changes the equation to 6y=3x-6.
We then divide the entire equation by 6 to get y by itself. That leaves us with y=3/6x-1 which simplifies down to y=1/2x-1
5 0
3 years ago
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