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bearhunter [10]
2 years ago
13

Evaluate the expression below when x = 4 and y = 12. 5x2−3y

Mathematics
1 answer:
Svetllana [295]2 years ago
3 0

Answer:

44

Step-by-step explanation:

substitute x = 4 and y = 12 into the expression

5x² - 3y

= 5(4)² - 3(12)

= 5(16) - 36

= 80 - 36

= 44

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Answer:

There are going to be 31 matches played in the soccer league.

Step-by-step explanation:

The soccer league has 6 teams, so if every team plays against the others twice, there are going to be played 30 matches:

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5 0
3 years ago
(7x^6+2x^5-3x^2+9x)+(5x^5+8^3-6x^2+2x-5)
Reil [10]

Answer:

Step-by-step explanation:

Combine like terms

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7 0
3 years ago
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creativ13 [48]

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Step-by-step explanation:

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