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Dima020 [189]
3 years ago
5

Simplify this expression (3 + i) - (2- 2i)

Mathematics
2 answers:
Burka [1]3 years ago
7 0

Answer:

1 + 3i

Step-by-step explanation:

So you are using complex numbers. Remember i is imaginary

                                                                           ...trust me that's big lol

But do standard subtraction.

- - = +

ivolga24 [154]3 years ago
4 0

1+3i

like standart algebra

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Step-by-step explanation:

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3 years ago
Justify conclusion on why 2 ounces of ketchup is ok to use when eating potatoe wedges
ikadub [295]
Well you haven't really given us a question that requires a "quantifiable" answer. 2 ounces is roughly equivalent to 60 grams. 2 ounces of ketchup wouldn't be an awful lot of ketchup. I'm sure that you'd remain healthy despite eating 2 ounces of ketchup along with your potato wedges.

According to the American Heart Association, women should only have about 25 grams of sugar per day. In 100g of ketchup there would be about 22g grams of sugar. If you were to eat roughly 60g of ketchup, you'd only be digesting about 13.2 grams of sugar. Now, potato wedges could also contain sugar, but you haven't stated how many grams or kilograms of potato wedges you'd be eating, so I wouldn't be able to tell you whether your meal contains too much sugar.
4 0
3 years ago
Eric returned from a trip with 300 which is 50% more money than he had at the beginning of his trip how much money did Eric have
solong [7]

he had 150.

Step-by-step explanation:

i cant explain

6 0
3 years ago
Write an equation that represents the line.<br> Use exact numbers.
Greeley [361]

Answer:

Step-by-step explanation:

it is hard to know exactly by eye balling the graph  I can't dissern the y intercept it might be 4.5 but it could be 4.33, but it looks for sure like the x intercept equals 6 but does it

the dots on the line are at (-2, -6) and (2, 3)  so we can find the slope m

in the y = mx + b line equation   b is the y intercept

m = Δy/Δx     =  (y1 - y2) / (x1 - x2)

                     =  (-6 - -3) /  (-2 - 2)

                     =     -3 / -4

                 m = 3/4

       y = 3x/4  +  y intercept     which i can't dissern (read directly from the

                                                  graph, but we believe y = 0   when x is six

       0 = 3(6)/4  + y intercept

       

       -18/4 = 18/4 -18/4  + y intercept

        -9/2 = y intercept

        -4.5 = y intercept

   y = 3x/4 - 9/2          i think exact number means NO FRACTIONS but that is whole number so let me gaggle it  What are exact numbers?  Gaggle indicates exact numbers are integers   example  3 ft in a yard 12 eggs in a dozen

    y = 3x/4 - 9/2               multiple both sides by 4

   4y = 3x  - 36/2

   4y = 3x - 18    <------------------  FINAL ANSWER

7 0
3 years ago
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