Mathematics, 31.01.2020 18:47 marianaescamilla404
Which sequence of transformations applied to shape i proves that shape i is similar to shape ii?
a.
a reflection across the y-axis, and then a dilation by a scale factor of 0.5
b.
a translation 5 units right and 1 unit up, and then a dilation by a scale factor of 0.5
c.
a 90° clockwise rotation about the origin, and then a dilation by a scale factor of 0.5
d.
a 90° counterclockwise rotation about the origin, and then a dilation by a scale factor of 0.5
Answers: 3
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Unaware that 35% of the 10000 voters in his constituency support him, a politician decides to estimate his political strength. a sample of 200 voters shows that 40% support him. a. what is the population? b. what is the parameter of interest? state its value c. what is the statistics of the interest? state its value d. compare your answers in (b) and (c) is it surprising they are different? if the politician were to sample another 200 voters, which of the two numbers would most likely change? explain
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Which sequence of transformations applied to shape i proves that shape i is similar to shape ii?
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