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Whitepunk [10]
3 years ago
9

(-x^2+3x-4)-(2x^2+x-1)

Mathematics
2 answers:
Molodets [167]3 years ago
7 0

Answer: If you are simplifying then here is the answer, −

3 x 2 + 2 x − 3

stepan [7]3 years ago
3 0

Answer:

3x2 + 2x - 63x2 + 2x - 6

Step-by-step explanation:

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3 years ago
Which teacher exhibited the most variable year to year performance over this 5 year span?
Tanzania [10]

<u>Answer-</u>

Ed exhibited the most variable year to year performance over this 5 year span.

<u>Solution-</u>

Most variable performance means varying performance or non-consistence performance.

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Ralph's performance was constant throughout 2006-07 and also in 2008-09.

Tina's performance was constant throughout 2007-09

Sam's performance was constant throughout 2008-09.

All of them has been consistence for at-least once. But, in case of Ed, throughout the time, his performance was in-consistence or variable.

7 0
3 years ago
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Help?? With working out please
andriy [413]

Answer:

Step-by-step explanation:

move all the terms to the right so your equation will equal 0. then look for the common denominator. which in this case is 60 (5*4*3).

multiply all terms by 60 then simplify.

12(2x-3)-15(6-3x)+120-20(7x)=0

24x-36-90+45x+120-140x=0

combine like terms and then divide

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(do not forget parenthesis when simplifying they are very important when it comes to distributing the minus sign)

   

8 0
3 years ago
A cube has side length a. The side lengths are decreased to 50% of their original size. Write an expression in simplest form for
vaieri [72.5K]

Answer:

  V = a³/8

Step-by-step explanation:

The volume of the original cube is the cube of the side length:

  V = a³

When the side length is reduced to half its former value, the new volume is ...

  V = (a/2)³ = a³/2³

  V = a³/8 . . . . volume of the new cube

6 0
3 years ago
Which statement is true about an angle?
Sveta_85 [38]
Where are the statements please?
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3 years ago
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