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joja [24]
3 years ago
12

8 identical pens cost £12 work out the cost of 10 of these pens

Mathematics
1 answer:
katen-ka-za [31]3 years ago
3 0

Ok. So, if 8 pens cost £12. Then we would divide £12 by 8. Each pen costs £1.5.

So now we are going to multiply £1.5 and 10. £1.5*10=15.

The total of 10 pens is £15.

I hope this helps, if you need any additional help, just ask. I am here to help you as needed.

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Sam kept track of the number of problems he was assigned for his math homework on the box plot.
yulyashka [42]

Answer:

Statement A is correct about Sam's box and whisker plot.

Step-by-step explanation:

We have been given a box plot and we are asked to find out true statement according to the box plot.

Since we know data represented by box plot is divided in four equal parts.

Upon looking at our box plot we can see that our data is symmetric. It's median is 15, which means half the math assignments have less than 15 problems and half of the math assignments have more than 15 problems.

Interquartile range represents 50% values of data and it is the difference between upper quartile and lower quartile. IQR is not affected by outliers.

IQR=Q_3-Q_1

Upon substituting given values from box plot we get,

IQR=19-11=8

From IQR we can conclude that half of the assignments contained 15 problems or fewer.Therefore, option A is the correct choice.


4 0
3 years ago
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irina1246 [14]

Answer:

I would say the answer is

1. reflection across m

2. rotation about a

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all transformations are congruent to each other unless it is a dilation.

Step-by-step explanation:

5 0
3 years ago
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10% of 500 is 50.

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Given a line segment containing the points A,B, & C, in order, if AB is 11 and BC is 12, then the length of AC would
Shalnov [3]

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Step-by-step explanation:

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What is a close but easier numbers to estimate the answer to the problem
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