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Alika [10]
2 years ago
15

Which expression is equivalent to -3y^2-6y^2+6y

Mathematics
2 answers:
marta [7]2 years ago
5 0
-9y^2+6y is your answer :) have a nice day
AveGali [126]2 years ago
3 0

your answer would be: − 9 y^ 2 + 6 y

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Sin cos and tan help
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6b-9=-87 what is the answer
maw [93]

Answer:

Answer is below

Step-by-step explanation:

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3 0
3 years ago
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Find the value of two numbers is their sum is 21 and their difference is 3
kobusy [5.1K]

Hello from MrBillDoesMath

Answer:   12, 9

Discussion:

Let x be the first number and y the second number. The form the problem statement:

x + y = 21

x - y = 3


Add the two equations. This gives:

(x + x ) + ( y-y) = 21 + 3 =>

2x + 0 = 24 =>

x = 12

Since x -y =3, substituting in the value of x gives,  12 - y = 3 so y = 9


Thank you,

Mr. B

8 0
3 years ago
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