Is it possible to draw a triangle with angles 150, 20 and 50

Mathematics

1 answer:

MrMuchimi3 years ago

3 0

Answer:

Step-by-step explanation:

because the sum of the angles of a triangle should = 180, and adding these numbers together give a greater result of 220 degrees

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goblinko [34]

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Clyde Cement wants to analyze a shipment of bags of cement. He knows the weight of the bags is normally distributed so he can us

labwork [276]

Answer:

50%

Step-by-step explanation:

First, draw a normal distribution plot to use for the analysis of the data. Starting at the mean in the centre. Add one standard deviation for each interval to the right, and subtract one standard deviation for each interval to the right. See attached image. According to the empirical rule, 68% of data lies within one standard deviation of the mean, 95 % of the data is within two st. dev. and 99.7% of the data is within 3 st. dev. of the mean.

From the graph it can be deducted that half of the data will lie below 50, which makes it 50%.

An easier way of determining the answer is to use the definition of a mean. A mean is the number that,when all the data is placed in ascending order, lies right in the middle of all the data.