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nikdorinn [45]
3 years ago
15

Simplify the expression (9x² – 8z³) -(5z - 9z³ + 2z²)​

Mathematics
1 answer:
Anni [7]3 years ago
5 0

Answer:

z^3+9x^2−2z^2−5z

Step-by-step explanation:

hope this helps!

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Answer:

The cost of a box of crackers is $2.25.

Step-by-step explanation:

Let the cost of a containers of yogurt is $x and cost of a box of crackers is $y.

It is given that Mandy can buy 4 containers of yogurt and 3 boxes of crackers for $9.55.

4x+3y=9.55              .... (1)

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On solving (1) and (2), using graphing calculator, we get

x=0.7

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Therefore the cost of a box of crackers is $2.25.

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