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Nikolay [14]
3 years ago
9

Which property can be used t show that 4r+3s+2r=6r+3s?

Mathematics
1 answer:
Nuetrik [128]3 years ago
4 0

Answer:

Step-by-step explanation:

Associative property

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Find each of the angle measures:<br> &lt;1=<br> &lt;2=<br> &lt;3=<br> &lt;4=
mina [271]

Answer:

I believe these are the answers.

Step-by-step explanation:

Find each of the angle measures:

<1=65 degrees

<2=115 degrees

<3=60 degrees

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5 0
2 years ago
Pls help in a middle of an exam
KIM [24]

Answer:

\frac{2x^2+4x-9}{(2x-3)(2x+3)(x-1)}

Step-by-step explanation:

\frac{2x}{4x^2-9} + \frac{3}{2x^2+x-3} can be simplified to:
\frac{2x}{(2x-3)(2x+3)}+\frac{3}{(2x+3)(x-1)}

Make them have common denominators so:
\frac{(2x)(x-1) +3(2x-3)}{(2x-3)(2x+3)(x-1)}

Simplify:
\frac{2x^2-2x+6x-9}{(2x-3)(2x+3)(x-1)} = \frac{2x^2+4x-9}{(2x-3)(2x+3)(x-1)}

I don't think you can simplify that fraction further so that's the answer.

3 0
2 years ago
Three people play a game on each spinner in the previos problem.
arlik [135]

Answer:

Step-by-step explanation:

All other things being equal, spinner A is fine. It is a fair spinner.

Spinner B is not fair. Players 1 and 3 have only 1 number each. Player 2 on the other hand, has 2 numbers that work for him. If player 2 puts in two dollars and players 1 and 3 one dollar each, that should even up the odds. Now you want it just to be fair. So I think player 2 has to put up 2 dollars and players 1 and 3 each put up one. The pot is 4 dollars each time it is played.

Spinner 3 is not fair either. Player one has 2 chances. Player 2 has 3 chances and player 3 has but one chance. There are 6 chances in all. Player 1 should put up 2 dollars to play player 1 should put up 3 dollars and player 1 should put up 1 dollar.

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3 years ago
Solve the equation -18 +3x = -6
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You want to solve for x so add 18 from both sides of the equal sign. making it 3x=12. then divide both sides by 3 making x=4. x is 4.

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3 years ago
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Which equation is the inverse of y=100-x2
postnew [5]

Answer:

f^-1(x)=100-x

Step-by-step explanation:


4 0
3 years ago
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