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kupik [55]
3 years ago
5

If ab= 1 , bc = -9, c =-b and c < -a, what is the value a + b ?

Mathematics
1 answer:
MaRussiya [10]3 years ago
7 0
1/3+3

Ab=1
-b^²=-9
B=3
A=1/3
a+b=1/3+3


Mark brainliest please
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Step-by-step explanation:

Setup the equation with 2c(Cheese) + 2.5p(Pepperoni) = $3450(Total Made).

In addition to the equation c + p = 1500(Number of pizzas sold)

Using the second equation (c + p = 1500) solve for one of the variables.

Lets use :

  1. p = 1500 - c
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  3. Distribute 2.5, 2c + 3750 - 2.5c = 3450
  4. Combine like terms -0.5c + 3750 = 3450
  5. Solve for c: c = 600
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  7. 600 + p = 1500
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3 years ago
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Butoxors [25]

Answer:

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3 years ago
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Step-by-step explanation:

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