2 years ago

Change this root below into a power.

Mathematics

1 answer:

Elena L [17]2 years ago

6 0

Answer:

$5^{1/2}$

Step-by-step explanation:

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Which of the following expressions are equivalent to -5+7-(-3).

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Answer:

Step-by-step explanation:

mark brainliest its just in different form

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3 years ago

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What is the value of X?

katovenus [111]

Answer:

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Step-by-step explanation:

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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:

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