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Mathematics 18 Online
OpenStudy (anonymous):

How do you convert

OpenStudy (anonymous):

1000mg = ____________ g ?

hartnn (hartnn):

standard conversion, 1000m = 1 so, 1000mg =1 g

OpenStudy (anonymous):

may i ask, how do you do it? or is that how?

hartnn (hartnn):

m or milli is \(10^{-3}\) or 0.001 so, 1000mg = 1000*0.001 g = 1g

OpenStudy (anonymous):

awesome !!

OpenStudy (anonymous):

can you help with 3 more?

hartnn (hartnn):

sure :)

OpenStudy (anonymous):

how do you convert 150c = _______ f

hartnn (hartnn):

whats c and f ? celcius and farenheit ?

OpenStudy (anonymous):

yea

hartnn (hartnn):

F = C *1.8 + 32 so, we have C = 150 F = 150*1.8 +32 =... ?

OpenStudy (anonymous):

33.8

OpenStudy (anonymous):

no sorry 302

hartnn (hartnn):

yes, 302 f :)

OpenStudy (anonymous):

ok :) and the other question is -

OpenStudy (anonymous):

convert 160 cm = ______________ mm

hartnn (hartnn):

ok, 1 cm = 10 mm so, to get 160 cm, multiply 160 on both sides of 1 cm = 10 mm 160cm = 160*10 mm = ....?

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

1600

OpenStudy (anonymous):

?

hartnn (hartnn):

sorry for late reply, yes 1600 mm :)

OpenStudy (anonymous):

okay, last one.... 320 F = ______________ C

OpenStudy (anonymous):

Celsius and Fahrenheit

hartnn (hartnn):

same, F = C *1.8 + 32 320 = C*1.8 +32 find C from here.

OpenStudy (anonymous):

okay, 640 ?

hartnn (hartnn):

:O how ? 320 -32 = C*1.8 C = 288/1.8 = 160 so, 160C got this?

OpenStudy (anonymous):

oh...

hartnn (hartnn):

yes :) any more Questions ?

OpenStudy (anonymous):

one, let me seeeee......

OpenStudy (anonymous):

do you see it?>

OpenStudy (anonymous):

never mind, um here let me do this another way :

hartnn (hartnn):

ya...can't open that file...

OpenStudy (anonymous):

point B is in plot (1 , 5) x and y. now the question is What are the coordinates of the image of "B" after a counterclockwise rotation of 90degress about the origin ?

OpenStudy (anonymous):

understand the question?

hartnn (hartnn):

yes.

hartnn (hartnn):

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