What is a synthetic material made of?

2 answers:

8 0

Synthetic fibers are made from chemicals consisting of superior properties to natural fibers such as cotton or silk. Synthetic textiles are made from either inorganic products or a mixture of organic ones and chemicals.

GalinKa [24]3 years ago

7 0

Synthetic fibers are made from raw materials such as petroleum, based on chemicals or petrochemicals [20]. These materials are polymerized into a long, linear chemical with different chemical compounds and are used to produce various types of fibers.

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Diego measured the length of a pen to be 22 cm. The actual length of the pen is 23 cm

jeyben [28]

Answer:a

Step-by-step explanation:

5 0

3 years ago

I don’t understand need help

RideAnS [48]

Answer: Choice D

(a-e)/f

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Explanation:

Points D and B are at locations (e,f) and (a,0) respectively.

Find the slope of line DB to get

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

m = (0-f)/(a-e)

m = -f/(a-e)

This is the slope of line DB. We want the perpendicular slope to this line. So we'll flip the fraction to get -(a-e)/f and then flip the sign from negative to positive. That leads to the final answer (a-e)/f.

Another example would be an original slope of -2/5 has a perpendicular slope of 5/2. Notice how the two slopes -2/5 and 5/2 multiply to -1. This is true of any pair of perpendicular lines where neither line is vertical.

8 0

3 years ago

suppose a normal distribution has a mean of 20 and a standard deviation of 4 a value of 26 is how many standard deviations away

marysya [2.9K]

Logically you can see that since 26 is half way between 24&28 it is 1/2 sd. See sketch