Ask your own question, for FREE!
Mathematics 8 Online
OpenStudy (anonymous):

What is the distance between P(-5,5) and Q (7,-4) ?

OpenStudy (cwrw238):

the formula is d = sqrt( [ x2 - x1)^2 + (y2 - y1^2] where the 2 points are (x1, x2) and (y1, y2)

OpenStudy (anonymous):

What's the answer than A:L to M B:L to N C: both are the same length D: cannot be determined

OpenStudy (cwrw238):

the answer to the above problem is a number to be worked out

OpenStudy (anonymous):

Can someone help

OpenStudy (anonymous):

What's the answer

OpenStudy (cwrw238):

put x1 = -5 , x2 = 7 y1 = 5 , y2 = -4 into the formula and work it out

OpenStudy (anonymous):

I don't know how

OpenStudy (cwrw238):

sqrt [ (-5-7)^2 + (5 - (-4))^2)]

OpenStudy (cwrw238):

= sqrt ( 12^2 + 9^2) can u finish this?

OpenStudy (anonymous):

I think so

OpenStudy (anonymous):

I got 225

OpenStudy (anonymous):

Hello

OpenStudy (cwrw238):

right - now what is the square root of 225? use your calculator this will be your answer

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!