Mathematics
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OpenStudy (anonymous):
plz help me
i need help on an 8th grade class
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OpenStudy (anonymous):
What is the approximate distance between points A and B?
OpenStudy (anonymous):
3.61
9.22
10.35
12.62
OpenStudy (anonymous):
@aaronq @abb0t @abb0t
OpenStudy (anonymous):
do you know the distance formula?
OpenStudy (joannablackwelder):
Do you know the pythagorean theorem?
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OpenStudy (joannablackwelder):
a^2 + b^2 = c^2 for right triangles
OpenStudy (joannablackwelder):
@ShawnSpencer ?
OpenStudy (anonymous):
ok
OpenStudy (joannablackwelder):
So, if we draw a right triangle along the x and y lines, how long are the sides of the right triangle?
OpenStudy (anonymous):
would it be 6
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OpenStudy (joannablackwelder):
One side is 6. How about the other side?
OpenStudy (anonymous):
6 1/2
OpenStudy (joannablackwelder):
The side along the line y=-4 is 6. How about the side along the line x=4?
OpenStudy (anonymous):
is the other side
OpenStudy (anonymous):
idk
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OpenStudy (joannablackwelder):
From -4 to 3 is a length of 7
OpenStudy (anonymous):
yes
OpenStudy (joannablackwelder):
So, a=6, b=7
OpenStudy (joannablackwelder):
:-)
OpenStudy (joannablackwelder):
So, can you solve for c?
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OpenStudy (anonymous):
ok
OpenStudy (anonymous):
is it 85
OpenStudy (joannablackwelder):
Close, square root of 85
OpenStudy (joannablackwelder):
Because 85 = c^2
OpenStudy (anonymous):
ok so 7225 ???
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OpenStudy (joannablackwelder):
No, |dw:1430329551764:dw|
OpenStudy (anonymous):
ok so how do i do that
OpenStudy (joannablackwelder):
Do you have a calculator?
OpenStudy (anonymous):
ya
OpenStudy (joannablackwelder):
Does it have a square root button?
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OpenStudy (joannablackwelder):
Or a y^x button?
OpenStudy (anonymous):
no sorry its like one of those simple ones
OpenStudy (joannablackwelder):
You should have a calc on your computer that you can put into scientific mode. You may need to get a scientific calc for school sometime.
OpenStudy (joannablackwelder):
Open the calc on your computer, go to view and scientific