2 years ago

What is the percent change of 20 - 60?

Mathematics

2 answers:

Mrrafil [7]2 years ago

7 0

Answer: 40%

Good luck on future problems.

Sergeeva-Olga [200]2 years ago

3 0

40% is the answer ...

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Mandarinka [93]

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3 years ago

What is the answer to this question? <br> 1.4a^2+4a-63

LUCKY_DIMON [66]

Answer:

Step-by-step explanation:

Δ = $4^{2} - 4 * 4 * (-63) = 16 + 16 * 63 = 16 * (1 + 63) = 16 * 64$