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\[8\frac{ 5 }{ 8 }= \frac{ 8*8+5 }{ 8 }=\frac{ 64+5 }{ 8 }=\frac{ 69 }{ 8 }\] @vikayefremova

\[10 \frac{ 2 }{ 3 }= \frac{ 10*3+2 }{ 3 }=\frac{ 30+2 }{ 3 }=\frac{ 32 }{ 3 }\]

yes that is clear, thank you :)

|dw:1348344838506:dw|

:) you're welcome

@vikayefremova over here..that was too long lol ...let's begin here

hehe.. okay :D

hey we have already done this...you need to add powers ...bases are same

\[8*8^8=8^{8+1}=8^9\]

hmm.. i dont know why same questions appear in different assignments :/ this is weird

no ..how could you forget the solution...this is weird ..lol

oh :D well i didnt forget exactly.. you are just giving me answers im gonna look over this though :P

okay...next?

i have explained steps too :(

yes i know :D

\[(X^a)^b=X^{a*b}......(9^{-8})^9=9^{-8*9}\]

clear?

yes :D

next?

you can do it

it's like the last question right?

oh sorry yes

okay :)

what is it? what you got?

umm..

lol

38?

\[(m)^{19*2}=m^{38}\]

correct

okay.. thanks :)

fine, im gonna feel stupid again :(

add the powers , please :)

okay.. wait a sec :P

\[3^{2+3+5}\] what you got?

i got 59049 ?on the calculator, it would be like this right.. 9*27*243?

that's correct but you have to write it as \[3^{10}\] okay?

just add the exponents

okay :)

next?

its okay, im done :(

no, you are not

yess.. i really am :P

@vikayefremova is it n^3*n^4

\[n^3*n^4\] ??

if yes...the just add the powers...bases are same

\[n^{3+4}\] clear?

okay :)

i thought it was multiply :P

no for multiplication it should be like this \[(n^3)^4=n^{3*4}=n^{12}\]..okay?

okay :D

next? :D

really? :P

wait a sec

sure

:)

hello :)

yea yea...lol..next ? :D

?

anything to the power zero =1

so it's just 1 ?? :/

yes

ohh.. :/

\[(10^{4})^0=(10)^{4*0}=10^0=1\] clear?

yes, thank you :)

next

|dw:1348746024258:dw| :/ i guess i should just divide

subtract the powers...cuz it is division

oh.. darn it! i got it wrong, againnnn :'(

\[\frac{ t^9 }{ t^7 }=t^{9-7}\]

thanks :)

next

|dw:1348746239915:dw|

again do the same 10^(9-5)

okay

see it is general formula for this \[\frac{ X^a }{ X^b }=X^{a-b}\] clear?

a and b are powers

thank you! :)

was it containing 8 questions only?

yes this is a different one.. i told you i am done with the previous one :P

oh..that's great...so next assignment please :D

they are all just math problems.. like these ones :P that we just did

cool...

??

\[5.3*10^{-3}\] we have done it before ...haven't we?

nope.. i dont think so :/

yes we have done..it,, well next ?

??

\[1.72*10^4=17200.00=17200\]

oh so.. all i have to do is multiply?

you have to multiply that's it

clear?

ohh .. yes clear :)

next?

what if the number is negative?

then but it this way one less zero in front of the digit \[10^{-3}=0.001\] okay?

\[10^{-n}=0.000000(n-1) 1\] one less zero in front of the digit but after decimal

??

|dw:1348749696581:dw|

wow!! correct ..you got it

okay :)

next?

but i am still confused on the last one.. what was the answer for that?? 17200?

but thats not one of the options :( is it suppose to be written as 17,200?

okay you can write it as 17,200 zeroes after decimal is of no use 17200.00=17200=17,200

okay good.. :D

yea thank you

hehe.. noo, Thank You! :D

:) YW

question? :)

this question seems kinda easy but i dont get it :/ solve: 3t =9

\[3t=9\] now divide both sides by 3\[\frac{ 3t }{ 3 }=\frac{ 9 }{ 3 }\] what you got?

|dw:1350086413223:dw|

clear?

oh...right, that was simple :P yess clear :)

next ;)

Solve: -15 = 3b. ?

again divide both sides by 3

divide both sides?

oh

okay :)

\[\frac{ -15 }{ 3}=\frac{ 3b }{ 3 }\]

do you divide -15 by 3 and 3 by 3? :/

yes, dividing on both sides means, dividing -15 by 3 and 3 on the right side by 3

alright, well thanks :)

|dw:1350086785430:dw|

multiply both sides by -4

|dw:1350086866918:dw|

28 ?

what you got?

wow

that's correct

thanks :)

clear?

yep, clear thank you

n--e--x--t

1. Solve the equation below for y:
y - 10.24 = 5.3

add 10.24 on both the sides

\[y-10.24+10.24=5.3+10.24\] what you got?

15.4? or 24

how come 24 :( ? it's just 10.24+5.3=15.54

i told you im bad at math :(

it's cool :) next

|dw:1350087946973:dw|

i think we have done this kinda problem before ....but let's have a look again

\[4\frac{ 1 }{ 2 }=\frac{ 4*2+1 }{ 2 }=(8+1)/2=\frac{ 9 }{ 2 }\]

clear?

solve for 3 3/8 now

\[a \frac{ b }{ c }=\frac{ a*c+b }{ c }\]

okay let me try :P

are you done?

nope :P

what are you fighting with

i am stuck on this question :(

\[3\frac{ 3 }{ 8 }=\frac{ 3*8+3 }{ 8 }=\frac{ 24+3 }{ 8 }=\frac{ 27 }{ 8 }\] clear?

yeah i got that, but what do you do then? add both answers? cuz there are two problems

no, now see the next step

okay :)

?

ughhh.. :P

lol

wait a sec

;)

\[h=\frac{ 9 }{ 2 }+\frac{ 27 }{ 8 }\]

I am sooooo confused!!

help me :(

see -x+x=0 ...similarly (-27/8)+(27/8)=0 clear?

is this correct?

now, if you look at option A which is 7 7/8 \[7\frac{ 7 }{ 8 }=\frac{ 7*8+7 }{ 8 }=63/8\]

so it's A

ohhh yeah, wow that was kinda hard.. but thanks :)

ha a ha haa ha aa aahahahahahahahhaaaa

:P

this is embarrasing :( i feel stupid

no, you should be proud , you learned something :) feel good

thanks :)

next?

let's say number is X now subtract 3.4 which means
X-3.4=-14.2
x-3.4+3.4= -14.2+3.4
x= ?

17.6 or 18?

-10.8 :(

you have to subtract 3.4 from 14.2

i thought you said to add sorry :(

for what lol?

for being stupid :P

oh come on ... next question ?

A. r - 3/4 = 2 1/3
B. 3/4 + r = 2 1/3
C. 2 1/3 + 3/4 = r
D. r + 2 = 2 1/3

hmm

B?

well total reading should be like 3/4+r=2 1/3

is it right? :D

of course

thanks :)

again :(

haha yes, again and again :D

okay next?

Solve: x - 23.3 = 17.8

add 23.3 on both the sides

41.1 ?

x-23.3+23.3=17.8+23.3

correct

thanks :D

huh :/

hehe :D

next ;)

?

|dw:1350091704065:dw|

i think your question is incorrect

is it \[9y=\frac{ 3 }{ 5 }\]?

yes thats it :D

so why to add...just divide both sides by 9

ohh divide? :P

thanks!!

what you got?

umm

umm ???????? lol

y=1/15

how did you get that? :/

|dw:1350092173572:dw| clear?

clear, mr. smartie pants :P lol

yea yea ....liar ;)

hehe :D well, i think we are done here :P

sure?

yes.. :(

next? not just one,....as much as you are left with ;) don't worry

okay well, thanks for all your help :) thats it

i know you're lying

haha lol how did you know? :D

seriously, that was the last question :P

because you are scrolling down the screen and there are a few more ....

well, just one more left :P

go ahead please

workers can paint 3/4 of a house in 1 day. How many days would it take them to paint 6 houses?

alright thanks :)

fine

yes..? :D

is this your question?

nope :P

then post the question please

easy..?

do you know what is the value of \[\sqrt{27}\]

alright thanks :)

same thing with this problem?

\[-\sqrt{(456)}= -21.35\] so what does it look like?

D. ?

correct

what about this one?

what does it look like now?

c. ?

impressive ...yes :)

thanks :D

;)

is this correct?

because 2*250=500? right

wait i don't think so

really? why

whyyyy ?

why you thought it to be 2*250 ?

oh i multiplied by 4 because it was perimeter of square that is 4 * sides

ohh right! ... hmm , well what am i suppose to do here then?

now 4*22.36=89.44 =90 i think this should be the right choice

so it's B.? i thought it was 22? which is A.? right..?

it's B as far as i know...but probably it could be A

clear ? lol

okay, well thats understandable.. thank you :)

okay

wanna see something kinda funny..? :D

this is the same question

i know.. i got the wrong answer.. it wasnt A :P

why did you tick A oh gosh

i told you it's B

don't worry still it's good 7 outta 8 :)

haha its fine.. :) thanks for your help :)

thanks :)

for what?

thanks for helping me :)

oh my kudos

:)

do you know how to tell real numbers from rational numbers?

similarly, if you have to write some real number from rational number you can write it

??

okay, so then what is a irrational number?

also it cannot be represented as terminating or repeating decimals like 22/7

@vikayefremova clear?

i dont understand :/

ohh okay :D i understand now :) thank you

cool ..

listen to this please :) ....this has nothing to do with maths by the way :P

wait a sec :)

one more.. listen to this please :) i am sure you will like it ;)

haha :D

wait a sec

sure :)

i wish i could give you more medals :'(

hehe :)

yea yea :'(

and this is your favorite song, the one you'll be listening to for a while ;) haha :D

okay lets see ...wait let me listen ..sorry i couldn't see this ..you know why

why...?

hahaha im sure you love this song ;)

heeyyyyyy :) love you so much.....you are such a sweet heart <3

listen to this

listen to this ...hope you will like it

hahaha :) who is this??

listen to it first ..it is the same the one you have posted :)

yes i know, i am listening to it now :) its funny :D

funny :(

never mind :(

yea yea :)

its nice.. :) that guy's voice sounds kinda funny.. but its cool :)

he is the same ..the one you have posted

really..?? i mean i know its the same song, but its not the same guy..is it?? he seems different

oh thats nice, i didnt know that.. they just seem different :) thats all

hmm :)

??

@vikayefremova what is it?

|dw:1350869089158:dw|

wow !! wait a sec....

yep that is in russian :P sorry for my bad hand writing.. :P

it's amazing :) :) and extremely wonderful...but not more than the creator

thanks :P

<3 you

oh sure :) i love you too <3

:)

keep this up mates lol