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DENIUS [597]
3 years ago
11

Try This question and I’ll give you brainliest

Mathematics
2 answers:
Amanda [17]3 years ago
6 0

Answer:

3

Step-by-step explanation:

We want to cancel out the 3y.  The second equation has a -y so if we multiply that by 3 we'll get -3y and when we add the ys go away.

rewona [7]3 years ago
4 0

Answer:

Step-by-step explanation:

Answer:

Multiply the 2nd row by 3.

Step-by-step explanation:

Multiply the second row by 3.  Then we have:

2x + 3y = 18

21x - 3y  = 30

Now, if we combine these two equations, y will disappear and we'll have:

23x = 48, so that

x = 48/23.

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Answer

the diameter is 44

Step-by-step explanation:

the radius is just half of the diameter so to get the diameter from the radius just multiply it by two.

5 0
3 years ago
Three boxes contain 50 parts each. one part in each box is defective. one part is selected at random from each of the three boxe
Zanzabum
A. ) The probability of all 3 parts are non defective :-
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B.) The probability that the part selected from box 1 is defective :-
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C.) The probability that two parts are non-defective and one part is defective :-
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6 0
3 years ago
What is the difference of the polynomials?
Vilka [71]

Answer:

8r^6s^3-5r^5s^4+r^4s^5+5r^3s^6

Step-by-step explanation:

We want to simplify;


(8r^6s^3-9r^5s^4+3r^4s^5)-(2r^4s^5-5r^3s^6-4r^5s^4)


We expand the bracket to obtain;


8r^6s^3-9r^5s^4+3r^4s^5-2r^4s^5+5r^3s^6+4r^5s^4


We now group the like terms to obtain;


8r^6s^3-9r^5s^4+4r^5s^4+3r^4s^5-2r^4s^5+5r^3s^6


We now simplify to get;

8r^6s^3-5r^5s^4+r^4s^5+5r^3s^6


The correct answer is C


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