Mathematics
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OpenStudy (anonymous):
-2/11y = 4/15
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OpenStudy (saifoo.khan):
OpenStudy (anonymous):
11/2 * (-2/11)y = 11/2 * 4/15
-y = 44/30
y = -44/30
y = -22/15
OpenStudy (saifoo.khan):
i posted the steps of that ques
OpenStudy (anonymous):
c-4.11=1.2
OpenStudy (anonymous):
thank u khan I got them
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OpenStudy (saifoo.khan):
5.31
OpenStudy (saifoo.khan):
uw.
OpenStudy (anonymous):
c = 1.2 +4.11
c = 5.31
OpenStudy (anonymous):
thank u
OpenStudy (anonymous):
3+v =1.7
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OpenStudy (anonymous):
v = -1.3
OpenStudy (saifoo.khan):
-1.3
OpenStudy (anonymous):
10 x - 9x - 11=15
OpenStudy (saifoo.khan):
26
OpenStudy (anonymous):
x - 11 = 15
x = 26
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OpenStudy (anonymous):
-13+15=p+5
OpenStudy (saifoo.khan):
-3
OpenStudy (anonymous):
2 = p + 5
p = -3
OpenStudy (anonymous):
4(k+2) -3k= -6+9
OpenStudy (saifoo.khan):
-5
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OpenStudy (anonymous):
4 k + 8 -3k = 3
k + 8 = 3
k = - 5
OpenStudy (anonymous):
3/10 times ___ = 1?
OpenStudy (anonymous):
3/10 * x = 1
3x/10 = 1
3x = 10
x= 10/3
OpenStudy (anonymous):
Are you learning rosanne?
OpenStudy (anonymous):
yes but its still a tad confusing the fractions mess me up a lil
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OpenStudy (anonymous):
so look at this it said -6p=12 use the multiplication or division property of equality?
OpenStudy (anonymous):
what is that?
OpenStudy (saifoo.khan):
cross multiply.
OpenStudy (anonymous):
Don't think about that, just solve. If - 6 times a number is 12. What is that number?
OpenStudy (saifoo.khan):
-p = 12/6
-p = 2
p = -2
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OpenStudy (anonymous):
Try to solve this, roseanne, just as an exercise.
x - 10 = 5/5
x= ?
OpenStudy (anonymous):
x=11?
OpenStudy (anonymous):
Yes!
OpenStudy (anonymous):
yeah!!!!!!!!! your so sweet thank you
OpenStudy (anonymous):
You're welcome. I hope you go until topology.
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OpenStudy (saifoo.khan):
thnks Ana.
OpenStudy (anonymous):
You're welcome.
OpenStudy (anonymous):
top ology??? what is that?
OpenStudy (anonymous):
It's the study of continuity of functions, among many other things. It's beautiful.
OpenStudy (anonymous):
- v/10 =-4??? thats confusing
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OpenStudy (saifoo.khan):
v = 40
OpenStudy (anonymous):
wow yes me too
OpenStudy (anonymous):
First. Multiply by (-1). Go on.
OpenStudy (saifoo.khan):
OpenStudy (anonymous):
thank u so when its set up as a fraction I would cross multiply
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OpenStudy (saifoo.khan):
Yeah..
OpenStudy (saifoo.khan):
:)
OpenStudy (anonymous):
ok..
OpenStudy (saifoo.khan):
\[\color{purple}{\text{Thnks for the MEDAL though.}}\]
OpenStudy (anonymous):
ure welcome 5/9=40?
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OpenStudy (anonymous):
No. 40 is way greater.
OpenStudy (saifoo.khan):
OpenStudy (anonymous):
40 is way greater what do u mean?
OpenStudy (anonymous):
40 is greater than 5/9.
OpenStudy (anonymous):
so what would be the answer?
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OpenStudy (anonymous):
It's a false statement.
OpenStudy (saifoo.khan):
there wont b any answer/
OpenStudy (saifoo.khan):
yeah, shez correct.. if they ask u to prove that.
OpenStudy (anonymous):
no i'm sorry! 5/9n=40
OpenStudy (saifoo.khan):
Oh!
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OpenStudy (anonymous):
5/9 n = 40
Multiply both sides by 9/5.
OpenStudy (anonymous):
Give her a chance to do it saifo.
OpenStudy (saifoo.khan):
okay, u do it... ^.^
OpenStudy (anonymous):
72?
OpenStudy (saifoo.khan):
Correct.
Good work (unless u saw my solution) jk.
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OpenStudy (anonymous):
Got it.
OpenStudy (anonymous):
lol ok hey is the first number always going to cancel out?
OpenStudy (saifoo.khan):
not imp, but in easy questions it does.
OpenStudy (anonymous):
You multiply by the reciprocal of the fraction you have so it will cancell
OpenStudy (saifoo.khan):
but i think, multiplying by crossing is easy... ^.^
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OpenStudy (anonymous):
so a/4=-12 a=-3?
OpenStudy (anonymous):
No. -3/4 = - 0.75. Try again. Which number divided by 4 gives 12?
OpenStudy (anonymous):
3
OpenStudy (anonymous):
Not multiplied, divided.
OpenStudy (anonymous):
48
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OpenStudy (anonymous):
Alright, and then what number divided by 4 gives negative twelve?
OpenStudy (saifoo.khan):
check your signs again!
OpenStudy (anonymous):
-48?
OpenStudy (anonymous):
Alright! =DD
OpenStudy (anonymous):
- v/10=-4