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Mathematics 8 Online
OpenStudy (leenathan):

help plz

OpenStudy (gvgft6567):

The amount that a consultant charges for her work can be modeled using a linear function. For 4 hours of work, the consultant charges $400. For 5 hours of work, she charges $450. Write the function, f(h), that represents the amount the consultant charges for h hours of work.

OpenStudy (leenathan):

@UnkleRhaukus @damir

OpenStudy (unklerhaukus):

where is the question??

OpenStudy (leenathan):

http://prntscr.com/deaxhw

OpenStudy (leenathan):

@UnkleRhaukus

OpenStudy (leenathan):

d right?

OpenStudy (unklerhaukus):

Pythagorus says \[x^2+72^2 = 78^2\] so \[x = \sqrt{78^2-72^2}\]

OpenStudy (leenathan):

so 75

OpenStudy (unklerhaukus):

are you guessing?

OpenStudy (unklerhaukus):

can you show your working then

OpenStudy (leenathan):

yes*

OpenStudy (unklerhaukus):

try again

OpenStudy (leenathan):

78*78=6084 72*72=5184

OpenStudy (leenathan):

2

OpenStudy (leenathan):

sorry i dont have a caculater im using online so not acrate

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