MATHEMATICS HIGH SCHOOL

How do I figure out expressions for example -4×4×4×4×4×4×4×4?​

Answers

Answer 1
Answer: -4x4x4x4x4x4x4x4 simplified would be -4^8
Answer 2
Answer:

Answer:

-4x4x4x4x4x4x4x4 simplified would be -4^8

Step-by-step explanation:

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The two box-and-whisker plots below show the scores on a math exam for two classes. What do the interquartile ranges tell you about the two classes?

Answers

Answer:

A box-and-whisker plot shows the scores on a math exam for two classes.

                                      Class A                Class B

1) Minimum value            65                           56

2) Lower quartile             66                           79

3) Median                          81                            91

4) Upper quartile              89                           94

5) Maximum value           95                          100

First quartile also known as Lower quartile is the number below which lies the 25 percent of the bottom data.

Second quartile or Median divides the range in the middle and has 50 percent of the data below it.

Third quartile also known as upper quartile has 75 percent of the data below it and the top 25 percent of the data above it.

Interquartile   Range = Upper quartile - Lower quartile,

For class A

Interquartile range = 89 -66 = 23

For class B

Interquartile range = 94 -79 = 15

The interquartile ranges tell you about the two classes that  Class B has more consistent scores
A box-and-whisker plot shows 5 number summary:
 
                                  Class A                Class B
1) minimum value      65                           56
2) 1st quartile            66                            79
3) median                  81                            91
4) 3rd quartile            89                            94
5) maximum value     95                          100

Interquartile range = 3rd Quartile - 1st Quartile 
Class A: 89 - 66 = 23
Class B: 94 - 79 = 15

IQR indicates the spread of the of the scores over the median. Class A has a spread that his more than 50% of the scores of Class B.

Courtney reads around 110 words per minute. She procrastinated and now has less than a week to finish her reading assignment. If the book she needs to finish has another 820 pages left and each page has around 350 words, how many hours can Courtney complete her assignment?

Answers

820 pages X 350 words = 287,000 words 

287,000 / 110 = 2.609.09 minutes 

2.609.09 / 60 = 43.48 hours 

It would take about 2 days of non-stop reading to finish her assignment

A right prism has square bases with edges that are three times as long as the lateral edges. The prism's total area is 750 m squared. Find the volume.

Answers

a=3h\ \ \ and\ \ \ A=2\cdot a^2+4\cdot a\cdot h\n\nA=2\cdot(3h)^3+4\cdot 3h\cdot h=2\cdot 9h^2+12h^2=30h^2\n\nA=750\ m^2\n\n\ \ \ \Rightarrow\ \ \ 30h^2=750\ /:30\ \ \ \Rightarrow\ \ \ h^2=25\ \ \ \Rightarrow\ \ \ h=5\ \ \ \Rightarrow\ \ \ a=15\n\nV=a^2\cdot h=15^2\cdot 5=225\cdot 5=1125\n\nAns.\ Volume=1125\ m^3.

Find the additive inverse of 18/23

Answers

\frac ab\ inverse\ is\ \frac ba\n \n (18)/(23) =>(23)/(18)=1\frac5{18}

Answer:

.078260869565

Step-by-step explanation:

Simply and THINK HARD

What is the thousandth positive odd number ?

Answers

so the formula for odd numbers is 2n

the nth term is 2n
the first odd number is 2(1)=2
second=2(2)

so the thousanth odd number is 2(1000)=2000

Allison has 6 blue pencils and 10 yellow pencils.sadie has 24 pencils that are either blue or yellow.the ratio of blue pencils to yellow pencils is the same for both allison and sadie.how many blue pencils and yellow pencils does sadie have?

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