A number line going from negative 3 to 0 in increments of 1. There are 3 equal spaces between each number. Point A is 1 mark to
the left of 0. Point B is 2 marks to the left of 0. Point C is 1 mark to the left of negative 1. Point D is 2 marks to the left of negative 2.
Lukas plotted these points on the number line.
Point A: −12
3
Point B: −2
3
Point C: −11
3
Point D: −22
3
Which point did he plot incorrectly?
Point :
Lukas plotted these points on the number line.
Point A: −12
3
Point B: −2
3
Point C: −11
3
Point D: −22
3
Which point did he plot incorrectly?
Point :
2 answers:
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A mean is an arithmetic average of a set of observations. The amount that Jack has to earn in tips on Sunday if he wants to average $19 a day is $25.
<h3>What is Mean?</h3>A mean is an arithmetic average of a set of observations. it is given by the formula,
As it is given that Jack makes $12 on Monday, $14 on Tuesday, $18 on Wednesday, $16 on Thursday, $26 on Friday and $22 on Saturday. And we need to know how much he should earn on Sunday, so the average is $19. Therefore, we can write,
Hence, the amount that Jack has to earn in tips on Sunday if he wants to average $19 a day is $25.
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