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Tutors Answer Your Questions about Length-and-distance (FREE)
Question 144961: Here is one question a passenger jet took 3 hours to fly 1,800 miles in the direction of the wind. the return trip against the wind took 4 hours. what the jet's speed in still air and the speed of the wind?
speed of the jet in still air? _____
speed of the wind? _____
Click here to see answer by Alan3354(6097)   |
Question 146722: i filled pages to find the answer but i dont think its right please help!
Here is the problem:
How long of a shadow would light 30 feet off the ground make when shining on an object 10 feet tall that is 20 feet away from the light?
Click here to see answer by scott8148(3385)  |
Question 147104: Plot all points that are 3 units from the x axis. Describe the configuration. Then, plot all the points 3 units from (5,4) and describe their configuration.
I know that all of the points 3 units from the x axis are along the line y=3. I just don't know how to find the units from (5,4). THANKS!!!
Click here to see answer by Alan3354(6097) |
Question 146948: This problem has 3 parts. I figured out the answer to a and b. i only need c.
Let A = (-2,3), B = (6,7), and C = (-1,6).
a.) Find an equation for the perpendicular bisector of AB.
My answer is: y= -3x +3
b.) Find an equation for the perpendicular bisector of BC.
y= -3x + 13
c.) Find coordinates for4 a point K that is equidistant from A, B, and C.
Click here to see answer by Edwin McCravy(2922)  |
Question 148142: The diagonals of rhombus ABCD meet at M. Angle DAB measures 60 degrees. Let P be the midpoint of AD and let G be the intersection of PC and MD. Given that AP = 8, find MD, MC, MG, CG, and GP.
thank you all veryyyy much !
Click here to see answer by orca(409) |
Question 149116: stacy wants to decorate the side of a cylindrical can by using a rectangular piece of paper and wrapping it around the can. the paper is 21.3 cm by 27.5 cm. find the two possible diameters of the cans that stacy could use. (assume the paper fits exactly.)
thx :]
Click here to see answer by josmiceli(3013) |
Question 149127: please help me!
a piece of a broken circular gear is brought into a metal shop so that a replacement can be built. a ruler is placed across two points on the rim, and the length of the chordd is found to be 14 inches. the distance from the midpoint of this chord to the nearest point on the rim is found to be 4 inches. find the radius of the original gear.
Click here to see answer by scott8148(3385) |
Question 149934: 4) Suppose that the width of a rectangle is 2 inches shorter than the length and that the perimeter of the rectangle is 80.
a) Set up an equation for the perimeter involving only L, the length of the rectangle.
Answer:
b) Solve this equation algebraically to find the length of the rectangle. Find the width as well.
Answer: Length ______, Width ______
I don't understand how to do this.
Click here to see answer by nerdybill(2448)  |
Question 152043: A formula for calculating the distance d one can see from an airplane to the horizon on a clear day is d=1.22x^1/2, where x is the altitude of the plane in feet and d is given in miles. How far can one see to the horizon in a plane flying at 28,000 feet?
Click here to see answer by vleith(1977) |
Question 152311: 28.) A moving circle is tangent to the x-axis and to a circle of radius 1 with center at (2,-6). Find the equation of the locus of the center of the moving circle.
Ans. 
This question came with the answer included above. The teachers at my school only taught us how to solve for the equation of the locus of moving points not moving circles. Not even my classmates can help me with it and I have to solve it...
Click here to see answer by oscargut(682)  |
Question 152614This question is from textbook Geometry
: Using the segment addition postulate to solve for the variable. Suppose M is between L and N. Find the lengths of LM, MN, and LN.
LM = 7y + 9
MN = 3y + 4
LN = 143
We saw him write up an example and notes but I have no clue what to do. Thank youThis question is from textbook Geometry
Click here to see answer by jim_thompson5910(13794) |
Question 153414: Sam has 3000 feet of fencting available to enclose a rectangular field
a) Express the area A of the rectangle as a function of x where x is the length of the rectangle.
b) For what value of x is the area largest?
c) What is the maximum area?
Click here to see answer by orca(409) |
Question 152310: 26.) The midpoint of the line segment joining a moving point to (6,0) is on the line y=x. Find the equation of its locus.
Ans. x-y+6=0
This is a question that comes with the answer but I don't know how to solve for it. I tried using the midpoint formula but the answer is either x+y-6=0 or x-y-6=0. I don't know how to solve for this kind of problem...
Click here to see answer by Edwin McCravy(2922) |
Question 154475: you are building a skateboars ramp with a piece of plywood that is 8 feet long. you want the height of the ramp to be 5 feet. to make a strong ramp the base must forma right angle with the back of the ramp. what will be the length of the base rounded to the nearest tenth of a foot?
Click here to see answer by Alan3354(6097) |
Question 155114: I have a worksheet called dot to dot distance. Using the given grid and the starting point A(2,9), connect the points A through H in alphabetical order. I know how to put the points on the grid. My problem I am working is...plot point B(5,y) where AB=square root sign with 34 inside and y >9. My computer does not have the square root sign. Thank you for your help and I need to see how you got the answer so I can then do the other 6.
Click here to see answer by nerdybill(2448) |
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Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810
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