hunterbesch03

27.03.2020 • 

Mathematics

A factory has two machines, A produced by each machine during the first hour of operation was recorded on scatterplot below shows the number of defective parts produced by each machine on the selected days 14. 12 2 4 0 0 2 4 68 10 12 14 Machine A Which statement gives the best comparison between the number of defective parts produced by the machines during the first hour of operation on the 19 days? (A) Machine A always produced the same number of defective parts as machine B. (B) Machine A always produced fewer defective parts than machine B. (C) Machine A always produced more defective parts than machine B. (D) Machine A usually, but not always, produced fewer defective parts than machine B. (E) Machine A usually, but not always, produced more defective parts than machine B.

Ответ:

krystianah

13.03.2023

Mathematics

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17/5 sq yd per hour

Step-by-step explanation:

7/8 sq yd per 1/20 hr = x sq yd per 1 hr

We can set up equivalent proportions and cross-multiply.

7/8 × 1 = 1/20 × x

7/8 = 1/20 x

Multiply both sides by 20.

x = 7/8 × 20

  = 140/8

  = 35/2

x = 17.5 sq yd

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