126 high school students were asked if they speak Spanish, English or Cantonese. Their answers are summarized by the Venn diagra
m shown
How many students don't speak any of these languages?
How many students speak english?
How many speak Cantonese or Spanish?
How many students speak English and Cantonese?
How many students speak only one of these languages?
How many students speak Spanish and English, but not Cantonese?
How many students speak at least two of these languages?
How many students don't speak any of these languages?
How many students speak english?
How many speak Cantonese or Spanish?
How many students speak English and Cantonese?
How many students speak only one of these languages?
How many students speak Spanish and English, but not Cantonese?
How many students speak at least two of these languages?
1 answer:
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Scale factor is a ratio. The correct option is C.
<h3>How are scale drawings formed?</h3>For a particular scale drawing, it is already specified that all the measurements' some constant scaled version will be taken. For example, let the scale be K feet to s inches.
Then it means
All feet measurements will then be multiplied by s/k to get the drawing's corresponding lengths.
The length of AB can be written as,
AB = √[(1-4)²+ (1-1)²]
AB = 3
Since the length A'B' is 6 units, therefore, the scale factor will be,
Scale factor = (Length after transformation)/(Length before transformation)
Scale factor = 6 /3 = 2
Hence, the correct option is C.
Learn more about Scale factors:
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