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mr Goodwill [35]
2 years ago
6

Simplify the expression to a + bi form

Mathematics
1 answer:
Gnesinka [82]2 years ago
4 0

-√4 + √(-48) + √121 + √(-108)

= -√(2²) + √(-1 • 3 • 4²) + √(11²) + √(-1 • 2² • 3³)

= -2 + 4√3 i + 11 + 6√3 i

= 9 + 10√3 i

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What is 22.5% written as a fraction in simplest form?​
murzikaleks [220]

Answer:

9/40

Step-by-step explanation:

  • Write down the percent divided by 100 like this:

22.5/100

  • Multiply both top and bottom by 10 for every number after the decimal point:
  • As we have 1 digit after the decimal point, we multiply both numerator and denominator by 10, or, simply shift 1 decimal place to the right. So,

(22.5*10)(100*10)= 225/1000

  • Simplify (or reduce) the above fraction by dividing both numerator and denominator by the GCD (Greatest Common Divisor) between them. In this case, GCD(225,1000) = 25.

225 ÷ 25/ 1000÷25 = 9/40

5 0
3 years ago
35 61 63 69 49 46 52 32 34 50<br> what is the range
Verdich [7]

Answer:

37

Step-by-step explanation:

Range is biggest number - smallest number so....

69 - 32 = 37

7 0
3 years ago
Read 2 more answers
The aquarium has a scale model of a great white shark for sale in their gift shop. If the scale of the model is 2 in. : 7 ft, wh
kompoz [17]

Answer:

14ft

Step-by-step explanation:

Since the scale is 2in : 7ft, so you would do 7x2 which gets you to 14.

(You would do 7x2 because 4 in/2 in = 2in, that's where the 2 comes from, and 7 because 7ft is part of the scale.)

Hope this helps :D

8 0
2 years ago
672,591 rounded to the nearest hundred thousand
vova2212 [387]
700,000

Look at the ten thousands place. There is a 7, which is greater than five, so that means you have to round the number 6 up to a seven
4 0
2 years ago
Adam is in mexico where the temperature is given degrees celsius . To convert to fahrenheit you multiply the celsius temperature
Anestetic [448]

Answer:

When temperature is 30 in degrees Celsius then temperature in degree  Fahrenheit  is 86.

Step-by-step explanation:

Let C denotes the temperature in degree Celsius and F denotes the temperature in degree Fahrenheit.

According to the given question,

To convert to Fahrenheit we multiply the Celsius temperature by 9/5 and add 32.

Mathematically it can be written as,

F=C\times\frac{9}{5}+32

For example , let us take the temperature  in mexico to be 30 degrees Celsius to convert the temperature to Fahrenheit  we can use this equation as ,

F=C\times\frac{9}{5}+32

Put C = 30, we get

\Rightarrow F=30\times\frac{9}{5}+32

\Rightarrow F=6 \times 9+32

\Rightarrow F=54+32

\Rightarrow F=86

Thus, when temperature is 30 in degrees Celsius then temperature in degree  Fahrenheit  is 86.

4 0
2 years ago
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