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bixtya [17]
3 years ago
8

What is the imaginary part of 21 – 14i?

Mathematics
2 answers:
Delvig [45]3 years ago
7 0

Answer: 14i

Step-by-step explanation:

AlexFokin [52]3 years ago
3 0
The imaginary would be 14. I got that because the "i" is after the 14 and you can't solve it.
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A circular piece of fabric has a radius of 1.2 ft. The fabric sells for $5.40 per ft². What is the total cost of the circular pi
Kisachek [45]
The answer is $24.41

Step 1. Calculate the area of the <span>circular piece of fabric.
Step 2. Multiply the area of the piece by the price of </span><span>$5.40 per ft² to get the total cost.

Step 1.
The area (A) of the circle with radius r is:
A = </span>π r²
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r = 1.2 ft

A = 3.14 * (1.2 ft)²
A = 3.14 * 1.44 ft²
A = 4.52 ft²

Step 2.
Make a proportion
1 ft² costs $5.40
4.52 ft² cost x

1 ft² : $5.40 = 4.52 ft² : x
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