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NemiM [27]
3 years ago
12

Which choice is equivalent to the expression below? ^-64​

Mathematics
1 answer:
denis-greek [22]3 years ago
5 0

Answer:

A. 8i

General Formulas and Concepts:

<u>Algebra II</u>

  • Imaginary Roots: √-1 = i

Step-by-step explanation:

<u>Step 1: Define</u>

√-64

<u>Step 2: Evaluate</u>

  1. Factor:                     √-1 · √64
  2. Simplify:                   i · 8
  3. Multiply:                   8i
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At a swimming pool there are 2 managers 8 lifeguards 3 concession stand clerks and 2 maintenance people. If a person is selected
SashulF [63]

Step-by-step explanation:

The total number of people mentioned in this problem is 15. 15 will be the denominator for the probability in fraction form. The sum of the # of people that include lifeguards and managers will be the numerator.

Therefore, the probability that the person picked is either a manager or a lifeguard is 10/15 [because there are 2 managers and 8 lifeguards; 2 + 8 =10].

<u>Fraction form of probability: 10/15</u>

<u>Decimal form: 0.6 repeated</u>

<u>Percent form: about 66.67%</u>

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3 years ago
The temperature at 8:00am is 5 degrees Celsius and increases 2 degrees per hour. Does this equal y=2x+5
Ierofanga [76]
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5 0
3 years ago
What percentage of 4m is 20m
Sever21 [200]

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Step-by-step explanation:

The solution is in the file below

8 0
2 years ago
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Temperature in degrees Fahrenheit is equal to 32 more than 9/5 times the temperature in degrees Celsius.One day the high tempera
steposvetlana [31]
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Solve 3(x - 4) = 11x
Ivanshal [37]

Answer:

x = \frac{-3}{2}

Step-by-step explanation:

3(x - 4) = 11x

Expand the brackets:

3x - 12 = 11x

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Divide both sides by 8:

\\\frac{8x}{8} = \frac{-12}{8}\\x = \frac{-12}{8}\\

Simplify fraction:

x = \frac{-12}{8}

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Hope this helps!

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