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4 years ago

Round 13.3 to nearest tenths

Mathematics

2 answers:

LiRa [457]4 years ago

7 0

It won't change........

It will be 13.3 after the rounding off, as in the question...

aleksley [76]4 years ago

7 0

13.3 rounded to the nearest tenths is still 13.3

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Which statement correctly compares the mean number of students for the data in the plots?

satela [25.4K]

Answer:

"There are about 2 more students in each class at Oak Middle School than at Poplar Middle School."

Step-by-step explanation:

We need to compute the mean for each.

Poplar Middle School:

Lets list the numbers

20,20,20,21,21,21,21,21,22,22,22,22,22,22,22,23,23,23,23,24

The average is sum of all divided by number of numbers, that will be:

435/20 = 21.75

Oak Middle School:

The numbers are:

20,21,21,22,22,23,23,23,23,24,24,24,25,25,26,26,27,27,28,29

The average is sum divided by number of numbers, that will be:

483/20 = 24.15

The difference in mean is:

24.15 - 21.75 = 2.4

We can say, that is about 2 more students in Oak Middle School, correct answer choice is "2nd answer choice" - "There are about 2 more students in each class at Oak Middle School than at Poplar Middle School."

7 0

4 years ago

Which property of equality justifies the statement if y+7=9, then y=2?

Hatshy [7]

You minus 7 on both sides and you are left with y=2 because 7-9 = 2

7 0

4 years ago

If ten coins are spun together, the probability of four or more heads is 0.83. the probability of eight or more is 0.05. find th

aleksklad [387]

Answer:

a. 0.17

b. 0.95

Step-by-step explanation:

The key to answering both questions is that we should understand that the probability of an event happening = 1 - the probability of the event not happening

Firstly, we want to calculate the probability of less than four

Probability of less than four = 1 - probability of four or more heads

that is 1 - 0.83 = 0.17

Probability of less than 8 = 1 - probability of 8 or more = 1-0.05 = 0.95

6 0

3 years ago

What is the simplest version of 9/16×4/18

Masja [62]

Answer:

1/8

Step-by-step explanation:

9/16 * 4/18