Question

the front and back covers of a textbook are each 0.3cm thick between the covers are 240 sheets of a pare each 0.008 cm thick. how high is a stack of 10 books?

Answer 1

Find the total thickness of the paper and covers combined, and times it by 10

Answer 2

yeah can u help me am kind of really stupid at math please:)

Answer 3

To find the total height of the paper, multiply 0.008 by 240 (you see why, right)

Answer 4

yes

Answer 5

And, obviously a book isnt a book without to covers, so multiply 0.3 times 2

Answer 6

it answer is 1.92

Answer 7

and the second one is 0.6

Answer 8

a I right?

Answer 9

am I right?

Answer 10

I think so , yeah

Answer 11

So, yo would add them to get the full height of one book

Answer 12

**you

Answer 13

ok so if I add them I will get 2.52

Answer 14

after this what next

Answer 15

Yup, and that's just one book. To find all 10 books, multiply it by 10

Answer 16

ok if I multiply I will get 25.2

Answer 17

is that my answer?

Answer 18

Yup! There you go! Don't forget units, though

Answer 19

ok thank you. you been a great help

Answer 20

No problem

Answer 21

can I ask you one more question?

Answer 22

the winner of a marathon ran 26.2 mile in 2 h 14 min. find the average number of minutes for each mile

Answer 23

(1 h = 60 min)

Answer 24

Umm,, sure so you would convert hours to minutes,

Answer 25

well can you help me please remember am stupid

Answer 26

at math

Answer 27

Ok, we know that theres, 60 min in 1 hr, so how many min are there in 2 hrs?

Answer 28

120

Answer 29

Yup, and add it to 14, you have 2hrs 14 min

Answer 30

that will be 134

Answer 31

Yup, and since you want average, divide 26.2 by 134

Answer 32

I will get 0.1955223

Answer 33

Yup! There's your answer

Answer 34

no it not in the answer choice

Answer 35

Is 0.2 there or 0.196 or 0.20?

Answer 36

let me check

Answer 37

nope none of them is in the answer choice

Answer 38

What are the answer choices?

Answer 39

ok

Answer 40

5.4, 9.2,19.7,29.4,3.6,7.10, 5.1, 4.3, 12.5,18.5, 0.05, 0.5

Answer 41

that the answer choice

Answer 42

Oh my bad, minutes per mile. You would divide 134 by 26.2

Answer 43

ok

Answer 44

the answer is 107.8

Answer 45

?? am so lost

Answer 46

134/26.2 ?

Answer 47

You see you want minutes per mile, if you ran 26.2 minutes in 134 miles, how many minutes per mile did you run?

Answer 48

ok can you work it out am so lost confuse tired and my brain is really full. I will never be good in math am jut stupid just like my family and friends say I am

Answer 49

No, this stuff isn't hard once you take a second and step back and look at it

Answer 50

I also have a calculator, I can't be bothered to work out decimals, so that might be it

Answer 51

And you get 5 min per mile

Answer 52

so the answer is 5 ?

Answer 53

Yup

Answer 54

I have to go though, I have school tomorrow, so bye and good luck!

Answer 55

bye and thanks