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zlopas [31]
3 years ago
14

Simplify the expression. (-2-2i)(-4+6i)

Mathematics
2 answers:
hoa [83]3 years ago
7 0

Answer:

20 - 4i is the correct answer!

Step-by-step explanation:

Snowcat [4.5K]3 years ago
4 0

Answer:

4i*2i (8i)

Step-by-step explanation:

you combine whats in the parenthesis, then multiply the two

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Answer to the question is B

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Solve for x<br><br> 3x−8≤23 AND −4x+26≥6
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Ok so the first one is X<31/3

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5 0
3 years ago
Maria and Franco are mixing sports drinks for a track meet. Maria uses 23 cup of powdered mix for every 2 gallons of water. Fran
Anastaziya [24]

Answer:

Maria

Step-by-step explanation:

Find the ratio of powdered mix to water for each drink.

For Maria:

(2/3 cup) / (2 gallon)

= 1/3 cup per gallon

For Franco:

(1 1/4 cup) / (5 gallon)

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4 0
2 years ago
When y=7.5 x=2 what is the value of y when x is 2 1/4
swat32
<h2>Answer:</h2>

The value of y is 8.4375

<h2>Step-by-step explanation:</h2><h3>Known :</h3>
  • y = 7.5
  • x = 2

<h3>Asked :</h3>
  • The value of y when x is 2.25

<h3>Solution :</h3>

2/7.5 = 2.25/y

Do a cross multiplication,

2/7.5 = 2.25/y

=> 20/75 = 2.25/y

=> 75 . 2.25 = 20y

=> 168.75 = 20y

Reverse the equation,

168.75 = 20y

=> 20y = 168.75

Find the value of y,

20y = 168.75

=> y = 8.4375

<h3>Conclusion :</h3>

y = 8.4375

7 0
2 years ago
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3 years ago
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