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Rom4ik [11]
3 years ago
12

PLZZ could someone help me out with this and explain

Mathematics
2 answers:
jenyasd209 [6]3 years ago
3 0

Answer:

It would be D because X^2 is different from 3x you would just multiply X^2 by 1 and 3x by 1 to get x^2+3x

anygoal [31]3 years ago
3 0

Answer:

3x³+3x so C

Step-by-step explanation:

Multiply both the given equations

x²(3x) = 3x³

+1(3x)=+3x

Then combine

3x³+3x so C

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Is 5/8 an irrational number.?
Nikitich [7]

Step-by-step explanation:

yes it is . becoz if you kbow the 5 is to 8 means it is an irrational number

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2 years ago
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Given the following: P(A) =0.3 P(B) = 0.2 P(A OR B) = 0.5 P(A AND B) = 0 Which of the following is true?a. A and B are disjoint.
erastova [34]

Answer:

a. A and B are disjoint

Step-by-step explanation:

We know that P(A and B)=0, It means that event A and event B have nothing in common and it means that event A and event B are disjoints events.

The event A and event B are independent if

P( A and B)= P(A)*P(B)

P(A)*P(B)=0.3*0.2=0.06

So, P(A and B)≠P(A)*P(B)

Hence events A and B are not independent.

Option a is A and B are disjoints which is correct

Option b is A and B are neither disjoints nor independent which is partially false as A and B are disjoints event.

Option c states that A and B are independent which is clearly false.

Option d states that A and B are disjoints and independent which is partially false as A and B are not independent.

Hence the correct option is option A.

5 0
3 years ago
Simplify the rational expression below.
LenKa [72]

Answer:

A) (x-7)/(x+4)

Step-by-step explanation:

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Step by Step Explanation:

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