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October 23, 2014

October 23, 2014

**Recent Homework Questions About Geometry**

Post a New Question | Current Questions

**Geometry; Check**

Measuring segments: 8. Line AB ; A= -8 B= -6 Answer: Line AB=2 9. Line BD ; B= -6 D=-3 Answer: Line BD= 9 10. Line AD ; A= -8 D= -3 Answer: Line AD= 11 11. Line CE ; C= 1 E= 7 Answer: Line CE=6
*Tuesday, January 29, 2013 at 1:02pm*

**geometry**

sodium has a body-centered cubic structure with a unit cell that is 430 picometers wide. estimate the radius of a sodium atom. please help me, I don't know how to get the solution. THank you
*Monday, January 28, 2013 at 5:41pm*

**Analytic Geometry**

Find the equation of a circle passing through (-1,6) and tangent to the lines x-2y+8=0 and 2x+y+6=0. Please I really need your help. I just do not know what to do.
*Monday, January 28, 2013 at 3:26am*

**Geometry**

A tree casts a shadow that is 70 feet long. At the same time a person is standing nearby who is 5 feet 6 inches tall and their shadpw os 60 inches long. What is the proportion and what is the height of the tree?
*Sunday, January 27, 2013 at 12:36pm*

**geometry**

if measure of angle SUT=3x+6 and measure of angle RUS=5x-4, find measure of angle SUT
*Sunday, January 27, 2013 at 11:39am*

**Analytic Geometry**

Find the equation of a circle passing through (3,7) and tangent to the line x-3y+8=0. Please, How do I solve this? Help me
*Saturday, January 26, 2013 at 11:33pm*

**Analytic Geometry**

Find the equation of a circle passing through (3,7) and tangent to the line x-3y+8=0. Please, How do I solve this? Help me
*Saturday, January 26, 2013 at 10:27pm*

**Analytic Geometry**

Find the equation of a circle passing through (3,7) and tangent to the lines x-3y+8=0 and y=3x. Please Help me solve this. Explain it to me slowly cause I am not really good with this
*Saturday, January 26, 2013 at 9:24am*

**Geometry**

If you go to Eden a math tuition you will have the diagram for this question but if you do not there will be ... LET ME JUST GET TO THE QUESTION Question: what is the measure of MQ in the diagram shown?
*Friday, January 25, 2013 at 2:15pm*

**Geometry- Steve**

Hey Steve, in the proportion 9/x=15/25 would you cross multiply 9 and 25 and x and 15???
*Friday, January 25, 2013 at 10:42am*

**Geometry-Solve for x**

ok so I have to solve for x in this problem. and I have tried and tried to figure it out but I cant. 12(4x-2)=9(3x+2) I distributed them but after that when I try to simplify im lost. can someone please help???
*Friday, January 25, 2013 at 10:25am*

**Analytic Geometry**

Find the equation of a circle passing through (3,7) and tangent to the lines x-3y+8=0 and y=3x. Please help me
*Friday, January 25, 2013 at 9:36am*

**geometry**

how to rationalize the denominator
*Friday, January 25, 2013 at 9:16am*

**Analytic Geometry**

Find the equation of a circle passing through (3,7) and tangent to the line x-3y+8=0
*Friday, January 25, 2013 at 9:13am*

**Analytic Geometry**

Find the equation of a circle passing through and tangent to the line x-3y+8=0
*Friday, January 25, 2013 at 8:24am*

**geometry**

Two observers are 200 feet apart,in line with a tree containing a birds nest.The anles of elevation to the birds nest are 30 degrees and 60 degrees.How far is each observer from the base of the tree? Please help me my assigment is due tommorrow!!!!!
*Thursday, January 24, 2013 at 7:07pm*

**geometry**

Suppose the cordinate of P is 2, PQ = 8, and PR = 12. What are the possible cordinates of the midpoint of the given segment? PQ PR QR
*Wednesday, January 23, 2013 at 10:45pm*

**Geometry **

What is a Pythagorean theorem ?
*Wednesday, January 23, 2013 at 9:20pm*

**geometry**

which side of triangle DEF corresponds to:
*Wednesday, January 23, 2013 at 8:31pm*

**set (math)**

A class of 47 students took examination in algebra and geometry. If 29 passed algebra and 26 passed geometry and 4 failed in both subjects, how many passed both subjects? With solution please, tnx...
*Wednesday, January 23, 2013 at 7:25am*

**geometry **

give the following determine the set (A'U'B)n(AUB)' U ={1,2,3,4,5,6,7,8} A={1,2,3,7,8} B={1,3,4,6}
*Tuesday, January 22, 2013 at 6:23pm*

**geometry**

A drug company is testing new toothpaste in 2 flavors, regular and cinnamon. In a sample of 193 people, 121 liked regular, 112 people liked cinnamon, and 46 liked both.
*Tuesday, January 22, 2013 at 2:47pm*

**geometry**

I need help on a question that wants me to find x and y on a 45-45-90 triangle they only give me one side wich is three.I already solved for x which is three root two over two...Is that right? I don't know how to solve for y... Please someone help me....:(
*Tuesday, January 22, 2013 at 12:44am*

**Analytic Geometry**

Give the equation of the circle tangent to both axes of radius 5 and in the 1st quadrant. Can you help me solve this?
*Monday, January 21, 2013 at 5:31pm*

**Analytic Geometry**

What are the equations of the circles tangent to the x-axis, of radius 4 and whose center is at (-2,y) Please help, how do I solve this problem?
*Monday, January 21, 2013 at 4:40am*

**geometry**

I need help on a question that wants me to find x and y on a 45-45-90 triangle they only give me one side wich is three.I already solved for x which is three root two over two...Is that right? I don't know how to solve for y... Please someone help me....:(
*Sunday, January 20, 2013 at 4:32pm*

**geometry **

A survey of 500 showed the following 15 had only camping 20 had only hiking trails 35 had only picnicking 185 had camping 140 had camping and hiking trails 125 had camping and picnicking 210 had hiking trails Determine the number of parks that had at least one of the features
*Saturday, January 19, 2013 at 7:14pm*

**World history; Check:P**

City States: 1,How does an empire differ from a city-state? A city-state is an independent country whose territory consists of a city which is not administered as part of another local government. An empire is a geographically extensive group of states and peoples united and ...
*Friday, January 18, 2013 at 11:42am*

**Geometry**

Just really quick, my friend and I disagree on this problem. I got 1997 and he got 721.033 4. A surveryor is standing on horizontal ground level with the base of a skyscraper. The angle formed by the line segment from his position to the top of the skyscraper is 31 degrees. ...
*Thursday, January 17, 2013 at 10:31pm*

**Geometry **

A^2 , b^2 , c^2 represent
*Wednesday, January 16, 2013 at 9:17pm*

**Geometry **

A lined napkin,in the shape of a square,has sides 9-inches long.if the napkin is folded along the diagonal,what is the length of the diagonal ?
*Wednesday, January 16, 2013 at 8:52pm*

**Geometry **

Sarah wrote the following 3 numbers as an example of a Pythagorean triple.Is she correct?why or why not? 21,25,35
*Wednesday, January 16, 2013 at 8:48pm*

**Geometry **

What dose a squared , b squared , c squared represent ?
*Wednesday, January 16, 2013 at 8:42pm*

**Geometry**

a cat is stuck 15 feet up in a tree.to get it down,you will place a ladder 5 feet from the base of the tree.how tall must your ladder be in order to reach the cat? Round to the nearest foot
*Wednesday, January 16, 2013 at 8:39pm*

**Geometry honors**

the endpoints of AB are a(-3,5) and b(9,15). find the coordinates of the points that divide AB into 4 congruent segments
*Wednesday, January 16, 2013 at 6:06pm*

**Geometry**

Is it possible for a cross section of a cube to these shapes.... -pentagon -isosceles triangle -scalene triangle ..... If so, please describe how the plane intersects the cube. Thanks!!!!
*Wednesday, January 16, 2013 at 5:20pm*

**analytical geometry**

the axes are rectangular and a point P moves on the fixed plane lx+my+nz=p.the plane through P perpendicular to OP meets the axes in A,B,C parallel to YOZ,ZOX,XOY intersect in Q.show that the locus of Q is p{1/x2+1/y2+1/z2}=l/x+m/y+n/z
*Wednesday, January 16, 2013 at 4:58pm*

**analytical geometry**

two edges PQ,RS of a tetrahedron PQRS are perpendicular,show that the distance between the mid-points of PS and QR is equal to the distance between the mid points of PR and QS
*Wednesday, January 16, 2013 at 4:58pm*

**analytical geometry**

if (l1,m1,n1),(l2,m2,n2),(l3,m3,n3) are the direction cosines of three mutual perpendicular lines,show that the line whose direction ratios area l1+l2+l3,m1+m2+m3,n1+n2+n3 make equal angles with them
*Wednesday, January 16, 2013 at 4:57pm*

**analytical geometry**

show that the locus of a point whose distances from two given planes are in a constant ratio, is a plane.
*Wednesday, January 16, 2013 at 4:56pm*

**analytical geometry**

show that the locus of a point whose distances from two given planes are in a constant ratio, is a plane.
*Wednesday, January 16, 2013 at 4:56pm*

**analyytical geometry**

find the equation of the planes 5x-3y+4=0 and x+y-2z+10=0 and which are 1 unit distance from the origin.?
*Wednesday, January 16, 2013 at 4:55pm*

**geometry **

determine the measure of <1 and <2 using 14x-15 please help
*Wednesday, January 16, 2013 at 12:14am*

**geometry**

susan drew a right angle. she drew a ray between the two rays that formeds the right angle. what kind of angle did the new ray form?
*Tuesday, January 15, 2013 at 10:24pm*

**geometry**

What is the pattern for a fractal tree?
*Tuesday, January 15, 2013 at 9:42pm*

**geometry**

how far up the wall is a 13 ft ladder, if the baseof the ladder is 8 feet away from the wall
*Tuesday, January 15, 2013 at 9:29pm*

**geometry**

The Kramer's family room measures 23 feet by 27 feet. They are covering the floor with square tiles that measure 1 foot on a slide and cost $0.98 each. How much will they spend?
*Tuesday, January 15, 2013 at 9:10pm*

**geometry**

when two perpendicular lines intersect, do they form four congruent angles?
*Tuesday, January 15, 2013 at 6:08pm*

**geometry**

when two perpendicular lines intersect, do they form four congruent angles?
*Tuesday, January 15, 2013 at 6:08pm*

**Proof math problem help? Please help if you can!**

Let AB be the diameter of a circle, and let point P be a point on AB. Let CD be a chord parallel to AB. Prove that PA^2 + PB^2 = PC^2 + PD^2 It can be solved using geometry methods (no trig). Anyway, I figured out that PA^2 +PB^2 = 2OP^2 + 2OB^2. However, I cannot find right ...
*Tuesday, January 15, 2013 at 6:01pm*

**Geometry :)**

Use coordinate geometry to prove that the quadrilateral formed by connecting the midpoints of a kite is a rectangle. I have no Idea how to do this problem, so if anyone could help I would be very greatfull. :)
*Tuesday, January 15, 2013 at 2:14pm*

**geometry**

The image of the point (1, -2) after a rotation of 180° about the origin is
*Tuesday, January 15, 2013 at 8:53am*

**geometry**

The image of the point (1, -2) after a rotation of 180° about the origin is
*Tuesday, January 15, 2013 at 8:53am*

**geometry**

The image of the point (1, -2) after a rotation of 180° about the origin is
*Tuesday, January 15, 2013 at 8:53am*

**Geometry**

The length of the rectangle is 4 more than twice its width and its perimeter is 70m. What are the dimensions of the rectangle?
*Tuesday, January 15, 2013 at 8:00am*

**GEOMETRY**

In circle O, the midpoint of GH is point O. AB = 4x - 2 and CD = 2x + 10. Find the value of x.
*Tuesday, January 15, 2013 at 3:19am*

**analytical geometry**

two edges PQ,RS of a tetrahedron PQRS are perpendicular,show that the distance between the mid-points of PS and QR is equal to the distance between the mid points of PR and QS
*Tuesday, January 15, 2013 at 2:13am*

**analytical geometry**

if (l1,m1,n1),(l2,m2,n2),(l3,m3,n3) are the direction cosines of three mutual perpendicular lines,show that the line whose direction ratios area l1+l2+l3,m1+m2+m3,n1+n2+n3 make equal angles with them
*Tuesday, January 15, 2013 at 2:06am*

**analytical geometry**

if in a tetrahedron the sums of the squares of opposite sides are equal,show that its pairs of opposite sides are right angles
*Tuesday, January 15, 2013 at 1:55am*

**Geometry**

Assume each side of the hexagon is worth 10 units. Calculate the apothem, using the fact that it is part of a special triangle to get the answer exactly. Then use the exact value of the apothem to calculate the area of the hexagon.
*Monday, January 14, 2013 at 11:35pm*

**geometry**

distint points a, b, c, d, e, and f are marked on a circle. How many triangles can be formed using these points as vertices?
*Monday, January 14, 2013 at 8:18pm*

**math,geometry**

what is the rule if the input is 1 and output is 9 and input is 2 and output is 12 and the input is 3 and output 16
*Monday, January 14, 2013 at 7:19pm*

**math,geometry**

evrything
*Monday, January 14, 2013 at 6:36pm*

**Geometry**

Jason designed an arch made of wrought iron for the top of a mall entrance. The 11 segments between the two concentric circles are each 1.25 m long. Find the total length of wrought iron used to make the structure. Round the answer to the nearest meter.
*Monday, January 14, 2013 at 2:23pm*

**Geometry**

Picture given with problem: media.glynlyon(dot)com/g_geo_2012/12/img_geou12abc_8.gif If AC = 20, AE = 25, and AB = 5, what is the length of AD? Please explain how this is found, I've got a few problems like this and have no idea how to do it.
*Monday, January 14, 2013 at 6:58am*

**Geometry**

If m< JKN = 8x + 2 and m< MKL = 3x + 5, what is m< MKN? I know the answer but can you give an explanation
*Sunday, January 13, 2013 at 8:24pm*

**Geometry**

A triangular entraceway has walls with corner angles of 50, 70, 60. The designer wants to place a tall bronze sculpture on a round pedestal in a central location equidistant from the three walls. How can the designer find where to place the sculpture?
*Sunday, January 13, 2013 at 8:18pm*

**Geometry **

An aircraft takes off and climbs at a constant 29 degree angle until it reaches and altitude of 6 miles. At that point, how far away is the plane from the airport?
*Sunday, January 13, 2013 at 4:11pm*

**Analytic Geometry**

A point is equidistant from (-2,4) and (3,5). It is also equidistant from (-2,-3) and (6,-1). Find the point Please I need Help with this
*Sunday, January 13, 2013 at 5:34am*

**Analytic Geometry**

A point is equidistant from (-2,4) and (3,5). It is also equidistant from (-2,-3) and (6,-1). Find the point Please I need Help with this
*Sunday, January 13, 2013 at 5:26am*

**geometry**

Write an equation of a circle with diameter AB.A(0,0),B(-6,8)
*Saturday, January 12, 2013 at 4:04pm*

**geometry**

Write an equation of a circle with diameter AB.A(0,0),B(-6,8)
*Saturday, January 12, 2013 at 4:01pm*

**geometry**

What do you do to figure out space in irregular shapes?
*Saturday, January 12, 2013 at 11:55am*

**Analytic geometry**

What is the distance of the line x+6y-7=0 from the origin? Please help, is my answer -7sqrt37/37 correct? If not, please help me whats the right solution
*Saturday, January 12, 2013 at 2:40am*

**geometry**

What is the most precise name for quadrilateral ABCD with vertices A(–3, 2), B(–1, 4), C(4, 4), and D(2, 2)? 1. parallelogram 2. rhombus 3. quadrilateral 4. rectangle
*Friday, January 11, 2013 at 3:39pm*

**Chemistry**

Which is the higher density of polyethylene, linear or branched? Select the choice with the best accompanying explanation. Linear polyethylene is the higher density form, as the chains are able to pack better and partially crystallize, resulting in better packing and higher ...
*Friday, January 11, 2013 at 8:02am*

**Geometry**

Help? check Line segment AB intersects line segment ED in the middle at the point C If DC=6+x and CE=2x+1, what is the lenth of ED? A. 5 B. 11 C. 22 D. 10 Answer: C Line segment AB intersects line segment ED in the middle at the point C If DC=6+x and CE=2x+1, find the value of...
*Thursday, January 10, 2013 at 11:33am*

**Geometry**

Line segment AB has a midpoint C Help? If AC=17 and AB = 5x-6, then find the value of x A. 34 B.8 C. 23/5 D. 20 Answer: D 2. Suppose the coordinate of p=2 and PQ=8 and PR=12. Whare are the possible mid point for line segment PQ?
*Thursday, January 10, 2013 at 11:31am*

**Geometry**

Line segment AB has a midpoint C Help? If AC=17 and AB = 5x-6, then find the value of x A. 34 B.8 C. 23/5 D. 20 Answer: D 2. Suppose the coordinate of p=2 and PQ=8 and PR=12. Whare are the possible mid point for line segment PQ?
*Thursday, January 10, 2013 at 11:30am*

**Geometry**

Find the area of a segment formed by a chord 8" long in a circle with radius of 8".
*Thursday, January 10, 2013 at 11:10am*

**Geometry**

DEFG is a rectangle. H is the intersection point of the two diagonals. DH= 3x – 3 and EG = x + 44. Find the value of x and the length of each diagonal.
*Thursday, January 10, 2013 at 12:47am*

**Geometry**

In Rhombus PQRS PQ=3a=7 and QR = 4a-11. What is the value of a?
*Wednesday, January 9, 2013 at 10:52pm*

**Geometry **

the ration if the side lengths of two similar rectangles is 4:3. what is the ratio of the areas of the rectangles?
*Wednesday, January 9, 2013 at 7:39pm*

**Geometry**

Line segment AB has a midpoint C Help? If AC=17 and AB = 5x-6, then find the value of x A. 34 B.8 C. 23/5 D. 20 Answer: D 2. Suppose the coordinate of p=2 and PQ=8 and PR=12. Whare are the possible mid point for line segment PQ?
*Wednesday, January 9, 2013 at 5:37pm*

**Geometry**

Help? check Line segment AB intersects line segment ED in the middle at the point C If DC=6+x and CE=2x+1, what is the lenth of ED? A. 5 B. 11 C. 22 D. 10 Answer: C Line segment AB intersects line segment ED in the middle at the point C If DC=6+x and CE=2x+1, find the value of...
*Wednesday, January 9, 2013 at 5:36pm*

**Geometry**

Help? check Line segment AB intersects line segment ED in the middle at the point C If DC=6+x and CE=2x+1, what is the lenth of ED? A. 5 B. 11 C. 22 D. 10 Answer: C Line segment AB intersects line segment ED in the middle at the point C If DC=6+x and CE=2x+1, find the value of...
*Wednesday, January 9, 2013 at 5:17pm*

**geometry**

Line segment AB has a midpoint C Help? If AC=17 and AB = 5x-6, then find the value of x A. 34 B.8 C. 23/5 D. 20 Answer: D 2. Suppose the coordinate of p=2 and PQ=8 and PR=12. Whare are the possible mid point for line segment PQ?
*Wednesday, January 9, 2013 at 5:10pm*

**Geometry**

Help? Suppose poing j has coordinate of -2 and JK=4. Then what is the possible coordinate(s) for K? A. 4 B. 2 or -4 C. -4 D. 2 or -6
*Wednesday, January 9, 2013 at 3:52pm*

**Geometry**

Check please? The path of the launching of a space shuttle can be described best as a Answer: Ray?
*Wednesday, January 9, 2013 at 3:24pm*

**GEOMETRY**

ABCD is an inscribed quadrilateral. AD, BC are produced to meet at X. If angle B= 80 degrees and angle X= 30 degrees, find angle XCD.
*Wednesday, January 9, 2013 at 8:04am*

**geometry**

Suppose the coordinate of p=2 and PQ=8 and PR=12. Whare are the possible mid point for line segment PQ? A.-2 &8 B. 2 & 6 C.-2 & 6 D.-2
*Tuesday, January 8, 2013 at 11:28pm*

**geometry**

The coordinates for a rhombus are given as (2a, 0), (0, 2b), (–2a, 0), and (0, –2b). Write a plan to prove that the midpoints of the sides of a rhombus determine a rectangle using coordinate geometry. Be sure to include the formulas.
*Tuesday, January 8, 2013 at 9:10pm*

**Cosmology**

The equation describing the geometry and mass-energy distribution of a homogeneous and isotropic universe is known as: - The Einstein Equation - The Friedmann Equation - The Robertson-Walker Equation - The Hubble Equation
*Tuesday, January 8, 2013 at 8:13pm*

**geometry **

the endpoints of the diameter of circle O are (-2,-1) and (-16,13). what are the coordinates of its center?
*Tuesday, January 8, 2013 at 6:42pm*

**Geometry**

What is the equation of a line through (-2,5) and whose segment intercepted between the axes in the 2nd quadrant is 7sqrt2? Please help me solve this
*Monday, January 7, 2013 at 5:05pm*

**Math,Geometry**

What are the equations of the lines through (-5,-3) and passing at distance 2sqrt5 from (5,7) Please I really need your help. I do not know how to do this problem.
*Monday, January 7, 2013 at 4:57pm*

**Math,Geometry**

What are the equations of the lines through (-5,-3) and passing at distance 2sqrt5 from (5,7) Please I really need your help. I do not know how to do this problem.
*Monday, January 7, 2013 at 2:26pm*

**geometry**

What are the equations of the lines through (-5, -3) and passing at distance 2sqrt5 from (5,7)? This problem is confusing? How do I solve this? Please I need your Help
*Monday, January 7, 2013 at 1:51pm*

**geometry**

Find the bisectors of the interior angles of the triangle whose sides are the line 7x+y-7=0, x+y+1=0 and x+7y-4=0. Please I really need help. I do not know how to do this problem
*Monday, January 7, 2013 at 1:46pm*

**geometry**

Marcia is 1.5 meters tall. She casts a shadow that is 2 meters long. A nearby building casts a shadow that is 24 meters long. How tall is the building? (Hint: Use the properties of similar triangles.) A. 48 m B. 36 m C. 18 m D. 7 m
*Monday, January 7, 2013 at 12:21pm*

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