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morpeh [17]
3 years ago
13

Which expression is equivalent to 2x2 + (4x - 6x2) + 9 - (6x + 3)?​

Mathematics
2 answers:
Dmitrij [34]3 years ago
6 0

Answer:

-4x^2-10x+6

Step-by-step explanation:

Troyanec [42]3 years ago
4 0

Answer:

-4x^2-10x+6

Step-by-step explanation:

I am going to assume the (Something)x2 means (Something)x^2. Then, the expression is 2x^2-6x^2\\+4x-6x+9-3=-4x^2-10x+6

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Step-by-step explanation:

3 0
3 years ago
A radio station has $400 to give away for a contest. It gives away a $50 prize each week. The equation y = 400 – 50x represents
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Answer:

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Step-by-step explanation:

5 0
2 years ago
If 1/a + 1/b =1/c and ab=c,what is the average of a and b?
goblinko [34]
If we solve the left side of the given equation,
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Since ab = c, we can conclude that b + a is 1. The average of these two numbers is equal to there sum divided by 2. The answer is therefore equal to 0.5. 
4 0
3 years ago
paco has 75 minutes before he needs to get ready for baseball practic.he cleans his room for 40 minutes and reads and reads for
fomenos
By the way this problem is worded, he spends 75 minutes reading and cleaning, but there seems to be not enough information because the way it is worded, it means he has 75 minutes until he needs to GET READY, not play in the actual game. (40 + 35 = 75).
3 0
3 years ago
How many solutions does this system of equations have?
guajiro [1.7K]

Answer:

1 solution

Step-by-step explanation:

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