A community for students.
Here's the question you clicked on:
 0 viewing
anonymous
 one year ago
Calculating distance between two points on a coordinate plane! HELP
anonymous
 one year ago
Calculating distance between two points on a coordinate plane! HELP

This Question is Closed

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I know the answer is 7.3 km, but how do you get that answer?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0have you learnt Pythagoras theorem?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I still get easily confused by this stuff, anything math related I'm usually garbage at :b

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0dw:1444030320171:dw

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0so what we do, we want to know the horizontal length and the vertical length that corresponds to both points

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0dw:1444030488093:dw

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0so apply pythagoras theorem to determine the hypotenuse (the distance between the two points)

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0we always imply that the distance of two points is always the quickest/shortest distance

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0\[a ^{2}+b ^{2}=c ^{2}\] where a is one side length, b is the other side length and c is the hypothenuse length

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0dw:1444030678521:dw

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0so would it be 2+8=c?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0remember each term is squared

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0even the c term is squared! haha

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0oops. i made a mistake, the vertical length is not 8 units long

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0dw:1444030885728:dw

anonymous
 one year ago
Best ResponseYou've already chosen the best response.04 + 49 = c (squared) then add 53 = c (squared)

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0yep! now just square root both sides to find the answer

anonymous
 one year ago
Best ResponseYou've already chosen the best response.07.280 from my calculator, so 7.3 km

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0\[c ^{2}=54\] \[\sqrt{c ^{2}}=\sqrt{54}\] \[c=\sqrt{}\]

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Awesome, thank you! :)

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0no problem. fan and medal if you need help another time
Ask your own question
Sign UpFind more explanations on OpenStudy
Your question is ready. Sign up for free to start getting answers.
spraguer
(Moderator)
5
→ View Detailed Profile
is replying to Can someone tell me what button the professor is hitting...
23
 Teamwork 19 Teammate
 Problem Solving 19 Hero
 Engagement 19 Mad Hatter
 You have blocked this person.
 ✔ You're a fan Checking fan status...
Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.