Mathematics
10 Online
OpenStudy (anonymous):
0.2-1.5b+6.9-3a
a=-5 and b=6
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OpenStudy (anonymous):
replace a with -5
replace b with 6
0.2 -1.5(6) +6.9 -3(-5)
multiply contents of parenthesis with coefficients, combine terms
OpenStudy (anonymous):
Ok I already substituted the variables for 6 and 3 so now I multiply the 1.5 by 6 and -5?
OpenStudy (anonymous):
Replace A for -5 and b to 6=
0.2 - (1.5*6) + 6.9 - (3*-5)
0.2 - (9 ) + 6.9 - (-15)
= 13.1
OpenStudy (anonymous):
So is 31.1 our answer?
OpenStudy (anonymous):
Sorry I don't understand how you got 31.1
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OpenStudy (anonymous):
do you need further explanation
OpenStudy (anonymous):
Yes please thank you
OpenStudy (anonymous):
Ok open your calculator or google calculator
OpenStudy (anonymous):
put in 0.2
OpenStudy (anonymous):
then the minus sign use open parentheses then - 9 close parenthesis
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OpenStudy (anonymous):
ok do you mean to put this in the calculator? Because I already have this on paper
OpenStudy (anonymous):
what ever you want
OpenStudy (anonymous):
1.5 multiplied by 6 gives you 9
OpenStudy (anonymous):
-3 multiplied by a which is -5 = 15
OpenStudy (anonymous):
oh wow i just realized my mistake sorry
Replace A for -5 and b to 6=
0.2 - (1.5*6) + 6.9 - (3*-5)
0.2 - (9 ) + 6.9 - (15)
= -16.9
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OpenStudy (anonymous):
Sorry my computer is slow something is wrong with it
OpenStudy (anonymous):
Its ok
OpenStudy (anonymous):
btw i got the correct answer i just accidentally put -15 before instead of 15 sorry
OpenStudy (anonymous):
I am sorry how do you get 16.9 I tried to put the equation in my calculator and got a completely different answer please explain
OpenStudy (anonymous):
ok so if you put 0.2 in then - 9 then add 6.9 - then you put - 15
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OpenStudy (anonymous):
you should get -16.9
OpenStudy (anonymous):
tell me what you get
OpenStudy (anonymous):
as an answer
OpenStudy (anonymous):
oh ok I got it !!! now what?
OpenStudy (anonymous):
what did you get
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OpenStudy (anonymous):
oh so this is our answer right?
OpenStudy (anonymous):
-16.9 is the answer
OpenStudy (anonymous):
Hope i helped
OpenStudy (anonymous):
I got-16.9
OpenStudy (anonymous):
good thats the answer
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OpenStudy (anonymous):
you did thank You So much!! :)
OpenStudy (anonymous):
No problem any time