Sunday

May 24, 2015

May 24, 2015

**college math**

v=1/3ttr^2h; h(geometry)
*Thursday, September 11, 2014 at 8:20pm*

**Geometry**

M is the midpoint of LM LM=3x+5 LN=5x+40 Find MN I've tried to work this out several times and am pretty sure I start it off by 3x+5=5(x)+40 but I keep getting a negative answer or a fraction for X and know that is not right. Can someone please help me?
*Thursday, September 11, 2014 at 8:16pm*

**geometry**

v=1/3TTr^2h;
*Thursday, September 11, 2014 at 7:22pm*

**Geometry**

If EF= 10x+12, FG=14, and EG= 136, what is the value of x?
*Thursday, September 11, 2014 at 7:12pm*

**MATH**

v=1/3ttr^2h; h(geometry)
*Thursday, September 11, 2014 at 7:01pm*

**geometry**

One endpoint and the midpoint of a segment are given. Find the coordinates of the other endpoint. Show all your work. A. Endpoint: (-1,9) Midpoint: (-9,-10) Endpoint: _______ B. Endpoint: (9,-10) Midpoint: (4,8) Endpoint: ________
*Thursday, September 11, 2014 at 6:31pm*

**Geometry **

Make a valid conclusion in the situation. -If the measure of an angle is 90 degree, then it is a right angle. The measure of <A is 90 degree. Plzzzz help me!!!
*Thursday, September 11, 2014 at 12:18am*

**Geometry**

SP bisects <RST. Find the m<RST if m<RSP = (3x-20) and m<PST = (9x-26) I did 3x-20=9x-26 subtracted 3x from each side, -20=6x-26 now i added 26 on each side 6=6x and got x=1 I think x = 1 but now what do i do?
*Wednesday, September 10, 2014 at 9:47pm*

**Geometry**

Find AB in simplest form if A(0,3) and B(2,7) AB=___________ *I need help on this last problem I have! Someone please walk me through and how to get the answer
*Wednesday, September 10, 2014 at 9:35pm*

**Geometry**

SP bisects <RST. Find the m<RST if m<RSP = (3x-20) and m<PST = (9x-26) I did 3x-20=9x-26 subtracted 3x from each side, -20=6x-26 now i added 26 on each side 6=6x and got x=1 I think x = 1 but now what do i do?
*Wednesday, September 10, 2014 at 9:32pm*

**Quick geometry question**

My geometry teacher said something about when putting supplementary down for the answer doesn't quite necessarily work all the time. Is that true? Why is that? Would it be best just to put linear pair in for supplementary?
*Wednesday, September 10, 2014 at 9:07pm*

**Geometry**

Given that R is between S and T, find each missing measure. RS=6, TR=4.5, TS=?
*Monday, September 8, 2014 at 5:51pm*

**geometry**

If two lines are perpendicular, then the two lines form right angles. If lines Imported Asset and Imported Asset are perpendicular, then they form right angles. If two lines are perpendicular, then the two lines form right angles. Therefore, since lines Imported Asset and ...
*Monday, September 8, 2014 at 1:04pm*

**geometry**

1/8uw +1/8vw
*Sunday, September 7, 2014 at 2:01pm*

**Geometry help**

Points EC bisects points AD at C. For each of the following, find the value of 'x' and the measure of the indicated segment. Please correct me if I'm wrong! 1. AC= 3x+6 and CD=2x+14 x=_______ AC=______ Answer: x=8 AC= 30 2. AC= 5x-8 and CD=16-3x x=______ AD=_____ ...
*Sunday, September 7, 2014 at 12:01pm*

**geometry - need help with this.**

If angle <a and <b are complementary but <a is four times as large as <b, find the measurement of a.
*Sunday, September 7, 2014 at 4:36am*

**Geometry**

Points EC bisects points AD at C. For each of the following, find the value of 'x' and the measure of the indicated segment. Please correct me if I'm wrong! 1. AC= 3x+6 and CD=2x+14 x=_______ AC=______ Answer: x=8 AC= 30 2. AC= 5x-8 and CD=16-3x x=______ AD=_____ ...
*Saturday, September 6, 2014 at 6:43pm*

**Geometry**

Find the indicated values. Please correct me if I'm wrong! 1. B is between A and C. AB=2x+1, BC=3x-4, and AC=62. Find the value of 'x' and determine if B is a bisector. X=13 Is it a bisector? Yes 2. M is between L and N. LM=7x-1, MN=2x+4, and LN=12. Find the value ...
*Saturday, September 6, 2014 at 6:03pm*

**Geometry**

W, R, and S are points on a number line, and W is the midpoint of point RS. For each pair of coordinates given, find the coordinate of the third point. Please correct me if I'm wrong! 1. R=4, S=-6 Answer: W=-1 2. W=-4, S=2 Answer: R=-10 *Could you please explain how you ...
*Saturday, September 6, 2014 at 5:52pm*

**geometry help needed.**

I have a rectangle here with triangles inside. some triangles are blank others are shaded. -The area of the rectangle ABCD is 40in^2. What is the area of the unshaded region?
*Saturday, September 6, 2014 at 2:04pm*

**COORDINATE GEOMETRY**

A RAY OF LIGHT ORIGINATES FROM A(1,2) AFTER REFLECTION ON X-AXIS AT POINT A REFLECTED AT POINT Q(5,3). FIND COORDINATE OF A
*Saturday, September 6, 2014 at 8:43am*

**(Please Help!) Analytic Geometry**

Find the equation of the parabola with directrix x + 1 = 0 and y = 1, and the length of the latus rectum is 4. Sketch the graph.
*Saturday, September 6, 2014 at 3:57am*

**Geometry**

What are the precise measurements of angles 56 and 75?
*Thursday, September 4, 2014 at 9:49pm*

**geometry**

what is the perimeter of a 12 * 15 pool with a 3ft non slip surface around it
*Thursday, September 4, 2014 at 7:19pm*

**Geometry**

Write a mathematical sentence to compare each pair of measures. 32. GB and GF 34. AC and AD Coordinates: G(10, -1) B(5, -1) F(3, 5) A(2, 3) C(-3, -3) D(-2, 4) I don't understand. Please help!!
*Thursday, September 4, 2014 at 5:20pm*

**Please Help ! Analytic Geometry**

Find the equation of the parabola with directrix x + 1 = 0 and y = 1, and the length of the latus rectum is 4. Sketch the graph.
*Thursday, September 4, 2014 at 6:20am*

**(Please Help!) Analytic Geometry**

Discuss hyperbola and its properties.
*Thursday, September 4, 2014 at 6:18am*

** Ms Sue Please Help ! Analytic Geometry**

Identify the points and graph the equation of the ellipse. 9x^2 + 4y^2 -54x-16y + 61 =0
*Thursday, September 4, 2014 at 6:11am*

**(Please Help!) Analytic Geometry**

Find the vertices, foci, eccentricity, and length of the latus rectum of the eclipse whose equation is x^2 + 9y^2 = 9
*Thursday, September 4, 2014 at 6:10am*

**geometry**

If ac=5x-16 and gf = 2x-4 then af =
*Wednesday, September 3, 2014 at 11:40pm*

**geometry**

line BD bisects angle ABC. Solve for X and find the measures of angle ABC. angle ABD= 5X, angle DBC= 3X + 10 I don't really understand this question so can someone please help me solve this and explain to me how they solved it/ show the steps of how to solve this question...
*Tuesday, September 2, 2014 at 6:20pm*

**Geometry**

A tree on a 30 degree slope grows straight up. What are the measures of the greatest and smallest angles the tree makes with the hill?
*Tuesday, September 2, 2014 at 6:14pm*

**Geometry**

Point J is between H and K on line segment HK. use th given information to write an equation in terms of x. Solve the equation. Then find HJ and JK. HJ=(x/4) JK= 3x - 4 KH = 22
*Monday, September 1, 2014 at 8:34pm*

**9th std maths geometry**

Draw a orthocentre of Lm=7cm,m=130° and MN=6cm
*Saturday, August 30, 2014 at 10:18pm*

**Geometry**

If angle AOB = 28, Angle BOC = 3X-2, and Angle AOD = 6x... and if Angle AOD = a total of 110 degrees. Then what is the measurement of Angle BOC and Angle AOD
*Thursday, August 28, 2014 at 8:48pm*

**probability/Geometry**

of the 400 doctors attending a conference 240 practice family medicine and 130 were from countries outside the US.1/3 of the family medicine practitioners were not from the US. Whats the probability that a doctor practice family medicine or is from the US? not form the US? ...
*Thursday, August 28, 2014 at 12:07am*

**Geometry**

If the area of the large rectangle is 147 units squared, what is the perimeter of the shaded area. There is a visual of a large rectangle divided into four smaller ones. One is shaded. The area is given for the other three: 48 and 15 along the top half of the large rectangle ...
*Wednesday, August 27, 2014 at 12:59pm*

**Geometry**

C is the midpoint of AB, D is the midpoint of AC, E is the midpoint of AD, F is the midpoint of ED, G is the midpoint of EF, and H is the midpoint of DB. If DC = 16, what is GH?
*Tuesday, August 26, 2014 at 3:01pm*

**chemistry**

Select the appropriate electron domain arrangement for ICl3 If you are using electron pairs in your structure, they can be noted with (ep). > I choose trigonal-bipyramidal What is the atomic geometry of this molecule? > I think this only wants the atoms without the lone ...
*Sunday, August 24, 2014 at 10:47pm*

**Geometry**

The area of a rectangle is 25. The lenght is 1/2 of the width. Please help me solve for length and width.
*Sunday, August 24, 2014 at 4:59pm*

**geometry **

. A cylindrical container has a base area of 100 m2 and is 12 m high. If the container is one-third filled with water, what is the volume of the water in the container? A. 300 m3 C. 600 m3 B. 400 m3 D. 1200 m3
*Sunday, August 24, 2014 at 12:31pm*

**geometry**

solution of the questions The sides of a quadrilateral ABCD are 6 cm, 8 cm, 12 cm and 14 cm (taken in order) respectively, and the angle between the first two sides is a right angle. Find its area.
*Friday, August 22, 2014 at 12:50pm*

**Geometry**

What are the applications of undefined terms and angles in the game of basketball? Give four (4) specific applications and give your justifications.
*Wednesday, August 20, 2014 at 4:40am*

**geometry **

george has been hired to paint the smtihs house. he need to be sure that his ladder reach the highest point of the house, so he decides to use his shadow method the measuring stick is 3 ft and its shadow of the house is 45 the triangles are formed similar
*Tuesday, August 19, 2014 at 8:34pm*

**Geometry**

a carpender is cutting a wooden dowl that is 72 cm long. she wants to cut it into 2 pieces so the 1 piece is 5 times as long as the other. what are the lengths of the 2 pieces?
*Monday, August 18, 2014 at 10:09pm*

**geometry**

angles versus length & height
*Monday, August 18, 2014 at 6:28am*

**Please Help ! Analytic Geometry**

Find the equation of the circle incribed in a triangle, if the angle has its sides on the lines: 2x + y - 9 = 0, -2x + y - 1 = 0, and -x + 2y +7 = 0. Draw the figure.
*Monday, August 18, 2014 at 2:22am*

**geometry **

A stick 5 cm long, a stick 9 cm long, and a third stick n cm long form a triangle. What is the sum of all possible whole number values of n?
*Sunday, August 17, 2014 at 6:02pm*

**geometry**

Two sides of scalene triangle ABC measure 3 centimeters and 5 centimeters. How many different whole centimeter lengths are possible for the third side?
*Saturday, August 16, 2014 at 5:22pm*

**geometry**

How many different triangles can be formed having a perimeter of 7 units if each side must have integral length?
*Saturday, August 16, 2014 at 5:02pm*

**geometry **

Triangle ABC and triangle DBC share BC. AB=5 cm AC=12 cm DC=8 cm and BD= 20 cm. What is the least possible integral number of centimeters in BC?
*Saturday, August 16, 2014 at 4:40pm*

**Geometry**

What is the equation of the circle touching the lines: 2x +y-9=0, -2x +y -1=0 and -x +2y +7=0.
*Saturday, August 16, 2014 at 12:18am*

**Geometry**

In a triangle with integer side lengths, one side is three times as long as a second side, and the length of the third side is 15. What is the greatest possible perimeter of the triangle?
*Friday, August 15, 2014 at 5:28pm*

**Geometry**

Draw a diagram. Triangles. AB n(upside down U) CD = CB
*Friday, August 15, 2014 at 12:02am*

**Geometry: Area and Volume Math **

What is the volume of a cube shaped box with edges 6 cm. in length? A. 1,296 cu. cm. B. 36 cu. cm. C. 18 cu. cm. D. 216 cu. cm. please help
*Wednesday, August 13, 2014 at 12:03pm*

**geometry**

Given 3(2x+4)+18=72 AND a=x , prove a=7
*Wednesday, August 13, 2014 at 12:52am*

**geometry**

A log cabin is shaped like a rectangular prism. A model of the cabin has a scale of 1 cm to 0.5 m. If the model is 14 cm by 20 cm by 7 cm, what are the dimensions of the actual log cabin? Explain how to find the dimensions.
*Tuesday, August 12, 2014 at 1:54pm*

**Analytic Geometry**

A circle at the origin whose is 2 units is 2 is inscribed in a right triangle whose base is 8 units and altitude 6 units. Find a) The equation of the circle b)The area and circumference of the circle c)The area of the right triangle exluding the area covered by the circle
*Monday, August 11, 2014 at 11:59pm*

**Analytic Geometry**

Find the equation of the circle incribed in a triangle, if the angle has its sides on the lines: 2x + y - 9 = 0, -2x + y - 1 = 0, and -x + 2y +7 = 0. Draw the figure.
*Monday, August 11, 2014 at 11:53pm*

**Analytic Geometry**

Find angle A of a triangle whose vertices are A (3,3) , B(-3,1) and C (-1,-3)
*Monday, August 11, 2014 at 9:42pm*

**Analytic Geometry**

Find the points of intersections of the circles:x^2 + y^2 - 2x -2y -2 = 0 and x^2 + y^2 + 2x + 2y -2 = 0. Draw the circles.
*Monday, August 11, 2014 at 9:35pm*

**Analytic Geometry**

What are vatices?
*Monday, August 11, 2014 at 9:06pm*

**Geometry **

Which statement is true? A. All squares are rectangles. B. All quadrilaterals are rectangles. C. All parallelograms are rectangles. D. All rectangles are squares. I thought it was B.
*Monday, August 11, 2014 at 2:40pm*

**Analytic Geometry**

A square is a quadrilateral with four equal sides. The area of a square is equal to square of its sides. The diagonal of a square is a line segment joining any two non-consecutive side. Find the area of a square and the length of its diagonal whose vertices are (3,1), (-1,5), ...
*Sunday, August 10, 2014 at 3:09am*

**Analytic Geometry**

f (1, -2) is equidistant with (4, 4) and (x, 4), find x.
*Sunday, August 10, 2014 at 3:02am*

**Geometry**

Three different people are to be selected at random, and each will be given one gift card. There is one card from Home Depot, one from Best Buy, and one from Red Lobster. The first person selected gets to choose one of the cards. The second person selected gets to choose ...
*Saturday, August 9, 2014 at 9:19pm*

**co-ordinate geometry**

The joining straight line of the points(3,4)and (2,-1) is perpendicular on the points (k,o) and (2,3k) then find out the value of k.
*Saturday, August 9, 2014 at 11:40am*

**Geometry**

What is the probability of drawing three red cards, one at a time without replacement, from a standard deck of 52 cards?
*Thursday, August 7, 2014 at 12:01pm*

**Geometry**

Find 2 cos(x/2) sin(x/2) when x = -π/6. I know that cos(x/2) = +- sqrt(1-cosx)/2 and sin(x/2) = +- sqrt(1+cosx)/2, but how to use this identity I'm not entirely sure. Please help.
*Wednesday, August 6, 2014 at 12:36pm*

**Geometry**

A circle R has a radius of length 5 sqrt 3 and has a chord XY that is 5 units from R. Find the length of XY.$
*Tuesday, August 5, 2014 at 10:26pm*

**Geometry**

A circle with center O has a radius of 17. Chord AB in the same circle has length 30. How far the chord from O?
*Tuesday, August 5, 2014 at 10:21pm*

**Geometry**

Damon, can I write it like that instead of a two column proof. I am comparing a bicycle and a model of one?
*Tuesday, August 5, 2014 at 3:07pm*

**Geometry**

How do I write a proof explaining how two images, one the original and the second the reduction, are similiar?
*Tuesday, August 5, 2014 at 2:16pm*

**Geometry**

How do I write a proof showing a bike is 9:1 ratio to the original image
*Tuesday, August 5, 2014 at 1:52pm*

**geometry**

Three of the exterior angles of an n-sided polygon are 50 degrees each, two of its interior angles are 127 degrees and 135 degrees, and the remaining interior angles are 173 degrees each. Find the value of n.
*Tuesday, August 5, 2014 at 10:38am*

**Geometry**

For what value of a is there a right triangle with sides a+1, 6a, and 6a+1?"
*Tuesday, August 5, 2014 at 12:14am*

**geometry**

if a polygon has a volume of 19 cm and is dilated by a factor 3\2 , what will be the volume of the dilated polygon
*Monday, August 4, 2014 at 5:12pm*

**geometry**

"An equilateral triangle of side length 6 sqrt 3 is rotated about an altitude to form a cone. What is the volume of the cone?" Please don't solve the entire thing. A hint is all I really want so I can solve it by myself. Thanks!
*Monday, August 4, 2014 at 3:09pm*

**Geometry**

"Find the volume of a cone that has 5 as its base radius and a lateral surface area of 65 pi." Help, thanks!
*Monday, August 4, 2014 at 2:02pm*

**Geometry**

Steve, What do I do with the J letter? Do I draw a perpendicular line?
*Sunday, August 3, 2014 at 5:29pm*

**geometry**

A picyure,18cm by 15cm,has a uniform frame around it.if the area of frame is 234cm2.find the dimensions of the frame,solve in quadratic equations
*Sunday, August 3, 2014 at 2:46am*

**geometry**

I have to construct my initials J and E geometrically. I drew a base line with two points. Then I drew a line through them. I thought this was right for the E but it's not. What am I doing wrong? I do know how to make a parallel and perpendicular lines.
*Saturday, August 2, 2014 at 3:15pm*

**Hard Geometry Problem**

Hi guys. I need a lot of help on this. "Equilateral triangle ABC has centroid G. Triangle A'B'C' is the image of triangle ABC upon a dilation with center G and scale factor -2/3. Let K be the area of the region that is within both triangles. Find K/[ABC]."...
*Friday, August 1, 2014 at 5:22pm*

**Geometry**

OPQRSTUVWX is a regular decagon. A rotation of A degrees about U maps X to R. Given A < 180 degrees, find A. Thought it was 144 but it isn't.
*Thursday, July 31, 2014 at 11:36pm*

**geometry help!! answer all questions!! please**

1) Write the translation that maps P(-4, 2) onto the point P ' (-1, -1)? 2) What are the coordinates of the reflection of the point (5,1) over the line y = x? 3) The coordinate notation for reflection over the y-axis is -?-. 4) If a translation has a coordinate notation of...
*Thursday, July 31, 2014 at 1:49pm*

**Geometry**

Write the translation that maps P(-4, 2) onto the point P ' (-1, -1)? What are the coordinates of the reflection of the point (5,1) over the line y = x? The coordinate notation for reflection over the y-axis is -?-. If a translation has a coordinate notation of (x, y) --&...
*Thursday, July 31, 2014 at 1:41pm*

**geometry **

A rectangle is 14cm wide and 48 cm long. Find the measures of the acute angle between its diagonals. please help
*Tuesday, July 29, 2014 at 8:11pm*

**Geometry**

Crazy hard question I don't get: "A sphere with radius 3 is inscribed in a conical frustum of slant height 10. (The sphere is tangent to both bases and the side of the frustum.) Find the volume of the frustum." I need a proof for this, and I don't know where ...
*Tuesday, July 29, 2014 at 2:32pm*

**geometry**

A bachelor spends one half of his salary on entertainment,one fifth on food,one tenth on clothes and one fifth on rent.What fraction of his salary is left?
*Tuesday, July 29, 2014 at 1:03pm*

**Geometry**

The total area of all the faces of a rectangular prism is 22, and the total length of all its edges is 24. Find the length of the internal diagonal of the prism. Thank you!
*Tuesday, July 29, 2014 at 1:00pm*

**Geometry**

I don't understand any of this :( "What is the area of a trefoil whose horizontal base has length 2?" Please help!!!
*Monday, July 28, 2014 at 7:57pm*

**Chemistry Please Help!!!**

Airbags contain a mixture of sodium azide, potassium nitrate, and silicon dioxide. A sensor detects a head on collision that cause the sodium azide to be ignited and to decompose forming sodium and nitrogen gas. This gas fills a nylon or polyamide bag such that the front face ...
*Friday, July 25, 2014 at 12:55pm*

**geometry**

A number is selected at random from the set {2, 3, 4, … 10}. Which event, by definition, covers the entire sample space of this experiment?
*Thursday, July 24, 2014 at 9:11am*

**geometry**

Points D, E, and F are the midpoints of sides \overline{BC}, \overline{CA}, and \overline{AB} of \triangle ABC, respectively, and \overline{CZ} is an altitude of the triangle. If \angle BAC = 71^\circ, \angle ABC = 39^\circ, and \angle BCA = 70^\circ, then what is \angle EZD+\...
*Wednesday, July 23, 2014 at 4:07pm*

**geometry**

Points D, E, and F are the midpoints of sides \overline{BC}, \overline{CA}, and \overline{AB} of \triangle ABC, respectively, and \overline{CZ} is an altitude of the triangle. If \angle BAC = 71^\circ, \angle ABC = 39^\circ, and \angle BCA = 70^\circ, then what is \angle EZD+\...
*Wednesday, July 23, 2014 at 4:06pm*

**geometry**

Two rectangles are similar. If the height of the first rectangle is 3 inches, and the height if the second rectangle is 9 inches, how much larger is the second rectangle's area?
*Wednesday, July 23, 2014 at 11:26am*

**Geometry**

Two cubes of volumes 8 and 27 are glued together at their faces to form a solid with the smallest possible surface area. What is the surface area of the resulting solid?
*Tuesday, July 22, 2014 at 6:02pm*

**analytic geometry**

the three vertices of a triangle are at A (-4,5), B(-5,3) and C (3,-4), show that the line joining the midpoint of the sides AC and BC is parallel and equal to one-half of AB . solve
*Wednesday, July 16, 2014 at 11:42pm*

**analytic geometry**

the three vertices of a triangle are at A (-4,5), B(-5,3) and C (3,-4), show that the line joining the midpoint of the sides AC and BC is parallel and equal to one-half of AB . solve
*Wednesday, July 16, 2014 at 11:33pm*

**geometry**

one side of a parallelogram has endpoints (2,1) and (3,5) The endpoints for the opposite side are (5,2) and (6,6) true or false
*Wednesday, July 16, 2014 at 11:11pm*