Mathematics
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OpenStudy (anonymous):
if x=-4 evaluate -x
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OpenStudy (anonymous):
4?
OpenStudy (anonymous):
multiple each side by a negative, your answer should be 4
OpenStudy (anonymous):
thank
OpenStudy (anonymous):
| –1| + | 0.8|
OpenStudy (anonymous):
absolute value bars means everything inside is positive
so basically you get 1 + 0.8... so that gives you... ? :)
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OpenStudy (anonymous):
the line means absolute value right? then it's just 1+0.8=1.8
OpenStudy (anonymous):
@iheartfood sorry I gave the answer :P
OpenStudy (anonymous):
haha no worries :P
OpenStudy (anonymous):
5/20 as a percent and a decimal.
OpenStudy (anonymous):
can you find the decimal? Just do normal division
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OpenStudy (anonymous):
after you get the decimal form, just multiply by a hundred to get percent
OpenStudy (anonymous):
Which number is between 1/9 and 0.2 ?
OpenStudy (anonymous):
convert the fraction to decimal form (or do the opposite, convert the decimal to fraction). Then see for yourself :)
OpenStudy (anonymous):
Evaluate x + y when x = –21.6 and y = 2.3
OpenStudy (anonymous):
just substitute the numbers in, you should get a number
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OpenStudy (anonymous):
THANK YOU
OpenStudy (anonymous):
Simplify 6 – 4x – 2 + x.
OpenStudy (anonymous):
well... collect the like terms. You have 6-2 and -4x + x. Whats the answer?
OpenStudy (anonymous):
combine like terms :)
so 6 - 2 =
and -4x + x =
? :D
OpenStudy (anonymous):
ohh haha oops same thing @alias said
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OpenStudy (anonymous):
haha, our paths crossed again :P
OpenStudy (anonymous):
4 – 3x
OpenStudy (anonymous):
haha yes @alias
and @otis13 that is correct! good job :)
OpenStudy (anonymous):
Evaluate if w = –2.1 and z = 5.7.
w – z – 4
OpenStudy (anonymous):
substitute those values and solve!
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OpenStudy (anonymous):
it's the same problem as the last
OpenStudy (anonymous):
find the reciprocal of - b/3
OpenStudy (anonymous):
reciprocal mean opposite...
OpenStudy (anonymous):
also, you will get more help if you just start a new post for every new question you have