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3 years ago

Make x the subject 3x-ax =2x+5

Mathematics

2 answers:

Mandarinka [93]3 years ago

8 0

Step-by-step explanation:

yuradex [85]3 years ago

5 0

Answer:

Step-by-step explanation:

>> ▪︎ 3x-ax=2x+5 ▪︎<<

>> ▪︎ 3x-ax-2x=5 ▪︎<<

>> ▪︎x(3-2-a)=5 ▪︎<<

>> ▪︎x=5/1-a ▪︎<<

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Assume that we have two events, A and B, that are mutually exclusive. Assume further that we know P(A) = 0.3 and P(B) = 0.7. If

Thepotemich [5.8K]

Answer:

See below

Step-by-step explanation:

What is P(A B)?

If A and B are mutually exclusive, then

P(AB) = P(A∩B) = P(∅) = 0

What is P(A | B)?

By definition

Since

P(A∩B) = 0, then P(A | B) = 0

Is P(A | B) equal to P(A)?

No, because P(A | B) = 0 and P(A) = 0.3

Are events A and B dependent or independent?

A and B would be independent if

P(A | B) = P(A) and P(B | A) = P(B)

But both P(A |B) and P(B | A) equals 0 and P(A) = 0.3, P(B) = 0.7

Hence, <em>A and B are dependent. </em>

A student in statistics argues that the concepts of mutually exclusive events and independent events are really the same, and that if events are mutually exclusive they must be independent. Is this statement accurate?

No, it is not.

As we already saw, A and B are mutually exclusive but they are not independent.

What general conclusion would you make about mutually exclusive and independent events given the results of this problem?

If A and B are not empty events which are mutually exclusive, they can never be independent.

6 0

3 years ago

Find the numerical value of the log expression.<br> log a = 11<br> log b = -5<br> log c= 6

Anna35 [415]

Refer to the attachment for answer...

4 0

2 years ago

Write the number as an improperios fraction, 10 3/4

trapecia [35]

10 3/4

10 x 4 = 40
40 + 3 = 43

43/4 is your answer

Hope this helps

3 0

2 years ago

I HAVE 1 MORE DAY TO TURN THIS IN SO HURRY

SCORPION-xisa [38]

Hello there! I am EnjoyingLife, and I hope you find my answer helpful.

First of all, since all books cost less than $5, the most expensive a book could be is $4.99 (remember, less than, not less than or equal to)

Now, let's write an inequality to represent the cost of books.

We know that all books cost less than $5.

We have a sign for "less than". It's "<"

Thus,

p<5

Hope it helps!

Have an awesome day!

Good luck!

$\rm{EnjoyingLife}$

5 0

2 years ago

Read 2 more answers

William has a lemonade stand. Today he made $17.55 in lemonade sales and one third that amount in cookie sales. How much money d

ira [324]

All together he made 23.40
One third of $17.55 is $5.85
When you add $17.55 and $5.85 together you get $23.40

4 0

3 years ago