3 years ago

Whats complex number

Mathematics

1 answer:

Alex3 years ago

3 0

Answer:

Complex numbers are numbers that consist of two parts — a real number and an imaginary number.

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Robin is making bows to sell at her mothers yard sale. She will use 3/4 foot of red ribbon and 2/3 foot of blue ribbon. What is

Jet001 [13]

To determine the ratio of the lengths of the red and blue ribbon, we just have to divide the lengths of the corresponding colored ribbon.
red / blue = 3/4 / 2/3 = 9/8
(2) The ratio of the lengths expressed as a unit rate is 9/8:1
(3) The ratio of the lengths of the blue to red ribbon is the reciprocal of the calculated value above giving us the answer of 8/9.

4 0

3 years ago

The total cost of a dress,including tax, was $121.37. If 6% tax was added to the sale price, what was the sale price before taxe

Mamont248 [21]

Answer:

We have

sale price + 6% x sale price = $121.37;

Then

(106/100) x sale price = $121.37;

sale price = $121.37 x 100 / 106;

sale price = $12137 / 106;

sale price = $114.50;