What is the mean 3, 3, 4, 5, 6, 6, 7, 7, 7, 8, 8
2 answers:
Answer: 5.81818181818
Step-by-step explanation: The mean of a data set is equal to the sum of the set of numbers divided by how many numbers are in the set.
So to find the mean of the data set shown here, let's begin by adding the numbers.
So we have and notice that I put an 11 on the bottom since there are 11 numbers.
Adding the numbers, we get 64. This will be divide by how many numbers are in the set or 11.
Therefore, the mean of the data set is 5.81818181818.
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<h2>Answer:</h2>
For a better understanding of this problem, see the figure below. Our goal is to find . Since:
and is a common side both for ΔMRN and ΔMQN, then by SAS postulate, these two triangles are congruent and:
By Pythagorean theorem, for triangle NQP:
Applying Pythagorean theorem again, but for triangle MQN:
Answer:
37°
Step-by-step explanation:
(4x + 2)° = 150° [Vertically Opposite Angles]
=> 4x = 150 - 2
=> 4x = 148
=><u> x = 37° (Ans)</u>