32 Answered Questions for the topic Distance Formula

08/30/18

What is the distance between the points (3, 8) and (-3, 0) in the xy-plane?

What is the distance between the points (3, 8) and (-3, 0) in the xy-plane?What is the distance between the points (3, 8) and (-3, 0) in the xy-plane?What is the distance between the points (3, 8)... more

12/16/17

How deep is the Grand Canyon at a spot where you can hear your echo 5.2 seconds after you shout, in meters?

If you shout into the Grand Canyon, your voice travels at the speed of sound (340 m/s) to the bottom of the canyon and back, and you hear an echo.

10/12/17

rate,time and distance word problems

Sonya left the restaurant traveling 6 mph. Then, 2 hours later, Hanna left traveling the same direction at 12 mph. How long until Hanna catches up with Sonya?

09/29/17

Find the distance from C to the midpoint of AB. ​A(3​,3​,2​) ​B(9​,7​,−8​) ​C(−5​,8​,−4​)

The answer should be exact. Radicals can be used if needed.

08/08/17

Maths, Co ordinate geometry

A circle has diameter AB, where A = (2, −5) and B = (−4, 7).(a) Find the centre C and radius r of the circle.(b) Use the distance formula to test whether P(6, −1) lies on the circle     Just... more

05/15/17

The hypotenuse of a 45-45-90 triangle is 8. Find the perimeter

answer A. 12+4root3 B. 8root2+8 C. 12+4sqareroot3root2 D. 2root8 + 2  

02/26/17

Determining if a triangle is a right triangle with given vertices

Given are the vertices (corners) of triangles. Use the distance formulas to determine if each triangle is a right triangle. a. (-2,5), (0, -1), (12, 3)b. (2, 3), (-2, -3), (-6, 1)c. (-3, -2), (5,... more

01/26/17

D=R x T help

Two trains leave Columbus simultaneously traveling on the same track in opposite directions at speeds of 50 and 73 mph. How long will it take before they are 430.5 miles apart

11/01/16

Geometry Problem: Find distance between parallel lines

Find distance between y = -2x + 3 and y = -2x - 3 (Hint: use (0,3)

10/16/16

Distance Formula

Determine if the points X(-6,-4), Y(2,-2) and Z(0,5) form the vertices of a right triangle.

09/19/16

Is Bob telling the truth?

Bob has just hit another car. When the policeman comes to the scene, Bob swears he wasn't speeding. The officer notices there is a 125 foot skid mark on the pavement leading right to Bob's tires.... more

04/20/16

Find the area of the rectangle

Find the area of the rectangle whose vertices are (2/5,2) (2/5,-1) (0,2) ( 0,-1)    Hi, I've tried so many times to get the right answer but I keep getting a crazy decimal number. The correct... more

04/03/16

Find the area of a rectangle whose vertices are ( 2/5, 2) , (2/5, -1) , (0,2) and ( 0,-1)

Hi, my book is saying the answer is 6/5. I keep getting something else and i remember my teaching saying there are errors in the book so I don't know if my answer is right or wrong.    I used the... more

09/11/15

Show why the distance between two points on a number line (the x-axis) is | a – b |

Use the Distance Formula and the x-axis of the coordinate plane. Show why the distance between two points on a number line (the x-axis) is | a – b |, where a and b are the x-coordinates of the points. more

08/10/15

Equidistant from (-3,0) and (1,4) and at a distance 5 from (-1,7)

I Can't solve this problem

07/21/15

Geometry || Distance Formula Question

Use the Distance Formula and the x-axis of the coordinate plane. Show why the distance between two points on a number line (the x-axis) is | a – b |, where a and b are the x-coordinates of the... more

04/20/15

2 trains leave a station at the same time. 1 train is traveling north at 65 mph, the other is traveling south at 55 mph. When will they be 84 miles apart?

Two trains leave the station in Hartford at the same time. One train is traveling due north at a speed of 65 mph and the other train is traveling at due south at a speed of 55 mph. When will the... more

04/17/15

What is the distance between the points (-6,1) and (6,6)

(-6,1) (6,6)

10/23/14

I dont understand how to set this up

The cruising speed of an airplane is 150 miles per hour. You plan to hire the plane for 3 hour sightseeing trip. You instruct the pilot to fly north as far as she can and still return to the... more
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