3 years ago

May someone please assist me on part 2? Feel free to read part 1.

Mathematics

2 answers:

zaharov [31]3 years ago

6 0

Its 25 for the second one

bekas [8.4K]3 years ago

3 0

The correct answer is 25

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nydimaria [60]

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2 years ago

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podryga [215]

Answer:

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Based on the question, we don't need the information that Mike wants to save 1750 in 12 months.

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3 years ago

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Elena-2011 [213]

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3 years ago

The difference of the square of a number and 28 is equal to 3 times that number

Pepsi [2]

Answer:

- 4, 7

Step-by-step explanation:

Let the required number be x.

Therefore, according to the given condition:

${x}^{2} - 28 = 3x \\ {x}^{2} - 3x - 28 = 0 \\ {x}^{2} - 7x + 4x - 28 = 0 \\ x(x - 7) + 4(x - 7) = 0 \\ (x - 7)(x + 4) = 0 \\ x - 7 = 0 \: or \: x + 4 = 0 \\ x = 7 \: or \: x = - 4 \\$