Monday

May 25, 2015

May 25, 2015

**geometry**

a boy stands 1 meter away from a lamppost. he is 1.8 meters tall and casts a shadow 2 meters long in the light from the lamp. how tall is the lamppost?
*Tuesday, June 25, 2013 at 2:59pm*

**geometry**

How to draw line segment CF and to draw a ray CD perpendicular to line segment CF.
*Monday, June 24, 2013 at 11:19pm*

**geometry**

if the sides of a triangle are 8 cm, 10 cm, and 12 cm then find the length of altitude to the smaller side.
*Monday, June 24, 2013 at 11:14pm*

**geometry**

ABC is a triangle with AC=139 and BC=178. Points D and E are the midpoints of BC and ACrespectively. Given that AD and BE are perpendicular to each other, what is the length of AB?
*Monday, June 24, 2013 at 1:08pm*

**geometry (help steve)**

A circle of radius 1 is drawn in the plane. Four non-overlapping circles each of radius 1, are drawn (externally) tangential to the original circle. An angle γis chosen uniformly at random in the interval [0,2π). The probability that a half ray drawn from ...
*Monday, June 24, 2013 at 10:49am*

**geometry**

A smooth partition of the integer n is a set of positive integers a1,a2,…ak such that 1. k is a positive integer, 2. a1≤a2≤⋯≤ak, 3. ∑ki=1ai=n, and 4. ak−a1≤1. Determine how many smooth partitions there are of the integer 250.
*Thursday, June 20, 2013 at 4:06am*

**Applied Geometry maths**

A Maths Applied student holidaying in Sydney notices that the Centrepoint tower has an angle of elevation of 15deg20'. After walking 400m directly towards the tower she now observes the elevation to be 24deg33'
*Wednesday, June 19, 2013 at 12:15am*

**geometry**

Triangle ABC is similar to triangle DEF. The sides of ABC are 5,8 and 11. What is the length of the shorttest side of DEF if its perimeter is 60?
*Tuesday, June 18, 2013 at 9:01pm*

**maths (geometry)**

decide whether the statement is true or false, A line has length and breadth
*Tuesday, June 18, 2013 at 12:49pm*

**geometry**

A preimage includes a line segment of length x and slope m. If the preimage is dilated by a scale factor of n, what are the length and slope of the corresponding line segment in the image
*Tuesday, June 18, 2013 at 9:21am*

**MATH**

Complete Problem 34 in Section 5.2 Exercises (Ch. 5) of Essentials of Geometry for College Students. 34. Given: ABC,/ AD bisects <BAC, and /AE=/ED Prove: AE/AC = BD/BC
*Monday, June 17, 2013 at 10:46pm*

**Geometry**

A. Derive the distance formula (d) shown below for points A = (x1, y1) and B = (x2, y2). 2 2 1 2 2 1 d = (x − x ) + ( y − y ) Note: Look for an application of the Pythagorean theorem where the red line, segment AB, is the hypotenuse of a right triangle. You can ...
*Monday, June 17, 2013 at 8:37pm*

**Geometry**

Find the minimum possible value of 2cos4θ+8cos3θ+32cos2θ+56cosθ+100
*Sunday, June 16, 2013 at 11:05pm*

**Geometry**

A diver is currently at the surface of the water out at sea. If he descends into the ocean at an angle of depression of 32 degrees, what will be his depth to the nearest tenth of a foot after swimming for 5 minutes
*Saturday, June 15, 2013 at 3:05pm*

**grid problem (geometry)**

The squares of a 2×60 chessboard are coloured black and white in the standard alternating pattern. At random, exactly half of the black squares are removed from the board. The expected number of white squares that have no neighbours after this process can be expressed as...
*Saturday, June 15, 2013 at 10:38am*

**geometry**

If RS=ST=19, s<r and t=7, find s and r.
*Thursday, June 13, 2013 at 9:33pm*

**Geometry**

In a certain game, a player throws a standard 6-sided number cube twice per turn. What is the probability that the result of the first throw will be a 1, and the result of the second throw will be greater than 3?
*Thursday, June 13, 2013 at 1:11pm*

**GEOMETRY BETWEENNESS URGENT !! **

POINTS H, I , AND J ARE THREE POINTS ON A LINE WITH COORDINATES -4/5, -1/SQRT5 AND -1/10. WHICH POINT IS BETWEEN THE OTHER TWO ?
*Thursday, June 13, 2013 at 10:59am*

**GEOMETRY I BEG YOU PLEASE HUHUHU **

Points w,h and y and three points on a line with coordinates -2/3, 5/12, -sqrt of 7 / 6 . which point is between the other two ?
*Wednesday, June 12, 2013 at 10:27am*

** PLEASEEE GEOMETRY **

POINT H,I,J AND THREE POINTS ON A LINE W/ COORDINATE -4/5 , -1/SQRT5 AND -1/10. WHICH POINT BETWEEN THE OTHER TWO ?
*Wednesday, June 12, 2013 at 9:38am*

**geometry**

Which of the following statements is true?Select one of the options below as your answer:A. A 25o angle is congruent to a 25o angle. B. Two intersecting lines form two pairs of congruent angles. C. It is possible for congruent angles to add up to 90o. D. All of the above are ...
*Wednesday, June 12, 2013 at 9:12am*

**GEOMETRY **

POINTS M,N, AND O ARE 3 POINTS ON A LINE WITH COORDINATE 5, 2 SQUARE ROOT OF 5 AND 3 SQUARE ROOT OF 2 RESPECTIVELY, WHICH POINT IS BETWEEN THE OTHER TWO ?
*Wednesday, June 12, 2013 at 6:43am*

**GEOMETRY **

How to solve for x in geometry ? for example - there is a line segment with 3 points first point to the second point is 3x while second point to the third is 5 and below the line segment there is a bracket, it is named 14 . it starts from the 3x to 5 ( it ranges from the first...
*Wednesday, June 12, 2013 at 4:58am*

**Geometry**

40. Find the surface area of a conical grain storage tank that has a height of 42 meters and a diameter of 20 meters. Round the answer to the nearest square meter. (1 point) 3,028 m2 3,971 m2 1,357 m2 1,671 m2
*Tuesday, June 11, 2013 at 9:44pm*

**geometry**

ad=10 units;ab=8 units;ac=12 units;ed=4.5 units.if <bad=50,what is the measure of<adc?
*Tuesday, June 11, 2013 at 10:46am*

**Geometry**

53. What is the equation of the circle with center (2, –5) that passes through the point (–2, 10)? (1 point) (x – 2)2 + (y – (–5))2 = 25 (x – (–2))2 + (y – 10)2 = 241 (x – 2)2 + (y – (–5))2 = 241 (x – (–2))2 + (y...
*Monday, June 10, 2013 at 6:55pm*

**Geometry**

50. Find the value of x for ° and °. The figure is not drawn to scale. (1 point) 34° 56.5° 22° 68°
*Monday, June 10, 2013 at 6:51pm*

**Geometry**

46. Assume that lines that appear to be tangent are tangent. O is the center of the circle. Find the value of x. Figures are not drawn to scale. mO = 128° (1 point) 52 308 64 256
*Monday, June 10, 2013 at 6:38pm*

**geometry**

45. Find the similarity ratio of a cube with a volume 512 m3 to a cube with volume 3,375 m3. (1 point) 8 : 15 64 : 225 15 : 8 225 : 64
*Monday, June 10, 2013 at 6:36pm*

**Geometry**

44. The volume of a sphere is 2,098 m3. What is the surface area of the sphere to the nearest tenth? (1 point) 1,700 m2 146.2 m2 850 m2 26,364 m2
*Monday, June 10, 2013 at 6:34pm*

**Geometry**

A fair coin is flipped 3 times. The probability of getting exactly two heads, given that at least one flip results in a head, can be written as ab, where a and b are coprime positive integers. What is the value of a+b?
*Monday, June 10, 2013 at 1:35am*

**Geometry**

Angle E and angle F are supplementary. The measure of angle E is 54 more than the measure of angle F. What is the measure of each angle?
*Thursday, June 6, 2013 at 7:10pm*

**geometry**

A group of hikers are 675 ft from the base of Guadalupe Peak, which is 8,749 ft tall. What is the angle of elevation when they look at the top of the peak?
*Thursday, June 6, 2013 at 3:42pm*

**geometry**

The figures are similar. The ratio of the lengths of their corresponding sides is 45:25, or 9:5. Find the ratio of their perimeters and the ratio of their areas. The figures are not drawn to scale.
*Thursday, June 6, 2013 at 8:12am*

**Geometry **

To the nearest inch, what is the diameter of a minipizza if two minis have the same area as one 16-inch pizza?
*Wednesday, June 5, 2013 at 2:42pm*

**Chemistry**

What is the molecular geometry of PCl3 a. trigonal pyramidal b. see-saw c. tetrahedral d. T-shape
*Wednesday, June 5, 2013 at 10:56am*

**Geometry**

Triangle ABC has side lengths AB=8, BC=12 and CA=14. Given that D, E and F are midpoints of BC, CA and AB, respectively. Find the value of AD^2+BE^2+CF^2.
*Wednesday, June 5, 2013 at 5:27am*

**Geometry**

Triangle ABC has side lengths AB=8, BC=12 and CA=14. Given that D, E and F are midpoints of BC, CA and AB, respectively. Find the value of AD^2+BE^2+CF^2.
*Tuesday, June 4, 2013 at 12:08pm*

**Geometry **

If a length of an arc with measure 80 is 15 pi inches long, find the area of the circle.
*Monday, June 3, 2013 at 10:40pm*

**Geometry and combiantorics.**

The game Slice is played using a m×n rectangular piece of paper as a board. Players alternate turns, on each turn they choose a rectangle and cut it into two rectangles, each with integer side lengths. The last player who is able to cut a rectangle is the winner. If 1&#...
*Monday, June 3, 2013 at 4:11pm*

**chemistry**

1)What is the correct structure of AsH3???? 2)Name the type of hybrid orbitals of central form. 3) Name the molecular geometry of compound. 4)State weather it is polar or non polar. 5) Estimate H-As-h bond angle in degree. 6) what is the dominant form of secondary bonding for ...
*Saturday, June 1, 2013 at 7:38am*

**heeeeeeelp geometry**

In a triangle ABC, BK is an angle bisector. A circle with radius 5/3 passes through the vertex B, intersects AB at a point L, and is tangent to AC at K. It is known that the length of AC is 3√3, and the ratio of the lengths |AK| to |BL| is 6:5. The area of the triangle ...
*Saturday, June 1, 2013 at 6:24am*

**geometry**

how to solve angle D is 90 degrees and angle E is 25 degrees side DE is 8 cm and side DF is 6 cm what is side ED
*Friday, May 31, 2013 at 1:13pm*

**Geometry**

given 18 feet of fencing what is the largest area that you can enclose with the fencing.
*Friday, May 31, 2013 at 10:26am*

**Geometry**

given 18 feet of fencing what is the largest area that you can enclose with the fencing.
*Friday, May 31, 2013 at 10:22am*

**geometry**

Xenia is ordering a cake for her friend’s wedding. She knows that there will be 110 guests at the wedding, and she is trying to decide how large a cake to order. She has been told that each guest should get a piece of cake that is 4 inches by 4 inches. She would like to ...
*Thursday, May 30, 2013 at 3:28pm*

**geometry**

the surface areas of two similar solids are 340 yd2 and 1158 yd2 the volume of the larger solids is 1712 yd3 what is the volume of the smaller solid?
*Thursday, May 30, 2013 at 7:47am*

**Maths (Geometry)**

P is a point in rectangle ABCD. The distance from P to the 4 vertices of the rectangle are 7,15,24 and N in some order. If N is an integer, determine the value of N.
*Wednesday, May 29, 2013 at 4:24am*

**Geometry Honors**

Can someone help me with Always, Sometimes, Never questions?? I have answered all of these, but I am not sure if they are right. 1. The base angle of an isosceles triangle are acute----Always 2. When the altitude and the median are drawn from the same vertex of a triangle, the...
*Tuesday, May 28, 2013 at 9:34pm*

**Geometry**

Can you help me with Always, Sometimes, Never questions?? I have answered all of these, but I am not sure if they are right. 1. The base angle of an isosceles triangle are acute----Always 2. When the altitude and the median are drawn from the same vertex of a triangle, the ...
*Tuesday, May 28, 2013 at 9:02pm*

**geometry**

Create (give dimensions, not build) a 3-D model. Calculate the total cost if its volume is $3/cm cubed , its suface area is $2.50/cm squared, and its edges are $1/linear cm. The objective is to get $1000 exacly
*Tuesday, May 28, 2013 at 7:00pm*

**geometry need asap**

A manufacturer made a container that looked like the Washington Monument to fill with raisins, as shown. Find the volume of the container the sides on the bottom are 2 inches for the base and the height is 7 inches
*Tuesday, May 28, 2013 at 11:15am*

**geometry**

A manufacturer made a container that looked like the Washington Monument to fill with raisins, as shown. Find the volume of the container the sides on the bottom are 2 inches for the base and the height is 7 inches
*Tuesday, May 28, 2013 at 7:38am*

**geometry **

I need to find the height and volume of a triangular prism. the front measures 8 cm and the side is 19 cm.
*Tuesday, May 28, 2013 at 7:36am*

**geometry**

Find the surface area of the cone. in pie the radius is 3 cn the height is 18
*Monday, May 27, 2013 at 10:18pm*

**geometry **

I need to find the base, height, and volume of a triangu;ar prism. the front is 8 cm and the side bottom line is 19 cm
*Monday, May 27, 2013 at 9:26pm*

**geometry**

A manufacturer made a container that looked like the Washington Monument to fill with raisins, as shown. Find the volume of the container. The base has the front and sides as 2 and 2 inches the height is 5 in and the 2 inches.
*Monday, May 27, 2013 at 12:33am*

**geometry **

Find the area of the base and the volume of a cone. the height is 17 and the radius is 8. my answer needs to be in pie
*Sunday, May 26, 2013 at 11:02pm*

**geometry **

I need to find the area of a base of a cylinder. The height is 9 and the radius is 3.
*Sunday, May 26, 2013 at 10:44pm*

**geometry **

The floor of a bedroom is 12 feet by 15 feet and the walls are 7 feet high. One gallon of paint covers 450 square feet. How many gallons of paint do you need to paint the walls of the bedroom?
*Sunday, May 26, 2013 at 8:56pm*

**geometry **

Find the SURFACE AREA of a sphere that has a diameter of 18 centimeters. Leave your answer in terms of pi.
*Sunday, May 26, 2013 at 8:18pm*

**Geometry**

using the 8 steps in Sec 4.3 of your book, analyze the graph of the following function. R(x)= x^2+x-30/ x^2-x-20
*Saturday, May 25, 2013 at 11:14pm*

**How to get quick responses to your math questions**

Math is a wide subject, ranging from K to 11, college and university. Then there is algebra, trigonometry, geometry, arithmetic, calculus, number theory, ... etc. Not all teachers answer all math questions (many do). If you would give a little more detail on which branch of ...
*Saturday, May 25, 2013 at 9:45am*

**geometry **

Assume that lines that appear to be tangent are tangent. O is the center of the circle. Find the value of x. Figures are not drawn to scale. m<P=14
*Friday, May 24, 2013 at 2:31pm*

**Geometry**

What is the measure of m<JIH ? FE = 7.5 cm IJ = 7.5 cm m < FGE = 28 degrees A. 124° B. 56° C. 28° D. 62°
*Friday, May 24, 2013 at 2:23pm*

**Geometry**

What is the area semi-circle piece of glass for Norman glass when the width is 3ft. and the length is 4ft? Radius is not known.
*Friday, May 24, 2013 at 11:07am*

**Math (geometry)**

How do I find the radius of a regular nonagon with an apothem of length 6.42in.
*Thursday, May 23, 2013 at 9:35pm*

**Engineering**

The bar in the figure has constant cross sectional area A. The top third of the bar, of length L, is made of a material with mass density ρ and Young's modulus E. The bottom two thirds of the bar (length 2L) is made of a different material, with density ρ/2 and ...
*Thursday, May 23, 2013 at 2:00pm*

**geometry**

A rectangular prism has a volume of 250 cubic cm.What would the volume be if one dimension stayed the same, a second dimension was three times as long, and the third was twice as long?
*Thursday, May 23, 2013 at 12:25am*

**Geometry**

Find the volume of a rectangular box. The faces have areas of 15, 25, and 60.
*Wednesday, May 22, 2013 at 10:56pm*

**Math Geometry **

How do you put your knowledge of quadrilaterals to kites?
*Wednesday, May 22, 2013 at 9:38pm*

**geometry**

find the coordinates of the points which are simultaneously 6 units from the points (6,6) and equidistant from the x and y axis. There are two ways to do this. I would like them both.
*Wednesday, May 22, 2013 at 9:03pm*

**geometry**

find the coordinates of the points which are simultaneously 6 units from the points (6,6) and equidistant from the x and y axis. There are two ways to do this. I would like them both.
*Wednesday, May 22, 2013 at 7:28pm*

**geometry**

Pllllleeeaaasssssssseeeee help me with this math fast! a. Find x. The figure is not drawn to scale. b. Is the triangle equilateral, isosceles, or scalene? Explain. Image at imgur . com / 6y2f9a3
*Wednesday, May 22, 2013 at 1:26pm*

**geometry!!!! PLEASE HELP!!!!**

Bret and Shawn are playing a game where each turn the players roll a 20-sided die fair and then add the number they get to their score. The winner is the player with the highest score at the end of the game (there may be a tie). Before the last turn, Shawn is ahead by 10 ...
*Wednesday, May 22, 2013 at 9:02am*

**geometry help**

Circle Γ with center O has diameter AB=192. C is a point outside of Γ, such that D is the foot of the perpendicular from C to AB and D lies on the line segment OB. From C, a tangent to Γ is drawn, touching Γ at E, where the foot of the perpendicular from E ...
*Wednesday, May 22, 2013 at 4:54am*

**maths**

A letter is picked at random from the English alphabet. Find the probability that the letter : a) Appears in the word GEOMETRY
*Wednesday, May 22, 2013 at 4:38am*

**Geometry **

Find the center and radius of the circle with equation (x+10)^2+(y-7)^2=36
*Tuesday, May 21, 2013 at 10:29pm*

**geometry**

A 45 degree arc of circle D has the same length as a 30 degree arc of circle E. what is the ratio of the radius of circle D to the radius of circle E?
*Tuesday, May 21, 2013 at 9:58pm*

**geometry**

at a distance of 20m from a building, a person who is 3 m tall looks up at an angle of 25 degrees to see the top of the building. how tall is the building to the nearest meter?
*Tuesday, May 21, 2013 at 7:38pm*

**Geometry 1**

Which of the following does not always bisect at least one side
*Monday, May 20, 2013 at 10:47am*

**Geometry**

What is the perimeter and area of a rectangle that has a width of 6 inches and length of 8 inches
*Monday, May 20, 2013 at 3:20am*

**Physics**

A load W=2 kN is applied vertically to joint C of truss ABCDE as indicated. You will use the method of joints to obtain the axial forces in the bars and reactions at the supports A, E . We start with the classification of the degrees of freedom as "free" or "...
*Sunday, May 19, 2013 at 9:14pm*

**MATLAB**

A load W=2 kN is applied vertically to joint C of truss ABCDE as indicated. You will use the method of joints to obtain the axial forces in the bars and reactions at the supports A, E . We start with the classification of the degrees of freedom as "free" or "...
*Sunday, May 19, 2013 at 9:14pm*

**Mechanics**

A load W=2 kN is applied vertically to joint C of truss ABCDE as indicated. You will use the method of joints to obtain the axial forces in the bars and reactions at the supports A, E . We start with the classification of the degrees of freedom as "free" or "...
*Sunday, May 19, 2013 at 9:14pm*

**Mechanical Engineering**

A load W=2 kN is applied vertically to joint C of truss ABCDE as indicated. You will use the method of joints to obtain the axial forces in the bars and reactions at the supports A, E . We start with the classification of the degrees of freedom as "free" or "...
*Sunday, May 19, 2013 at 9:13pm*

**Physics**

A load W=2 kN is applied vertically to joint C of truss ABCDE as indicated. You will use the method of joints to obtain the axial forces in the bars and reactions at the supports A, E . We start with the classification of the degrees of freedom as "free" or "...
*Sunday, May 19, 2013 at 9:13pm*

**geometry**

Shape is a trapezoid: LINE AC = 12dm LINE FD = 13dm LINE BE = 14dm LINE CG = 10dm This line makes the right angle of the triangle What is the area?
*Sunday, May 19, 2013 at 9:01pm*

**geometry**

This shape is a trapezoid with a semi-circle attached to the side. LINE AB = 8m LINE AD = 8m This is the part of the semi-circle. LINE BC = 10m This is the diagonal side of the trapezoid. What is the area of the shape? What is the perimeter?
*Sunday, May 19, 2013 at 8:55pm*

**geometry**

A rhombus has a diagonal with a length of 17 ft. and a side measurement of 9.5 ft. What is the area of the rhombus?
*Sunday, May 19, 2013 at 8:49pm*

**geometry**

This question is about the shape of a kite. LINE AC bisects ANGLE BCD and ANGLE BAC ANGLE BCD = 50 degrees ANGLE BAD = 80 degrees LINE DC = 10mm LINE BE = 3mm What is the area of the kite?
*Sunday, May 19, 2013 at 8:46pm*

**geometry**

The area of a square is 81 square centimeters. What is the length of the diagonals?
*Sunday, May 19, 2013 at 8:40pm*

**geometry**

Jim is in the process of having a hole dug for a trapezoid shaped swimming pool. The pool will take up 121 square meters of the backyard. The distance from one base to the other is 11m. What is the median of the pool?
*Sunday, May 19, 2013 at 8:39pm*

**geometry**

what is the area of a regular hexagon with a side length of 6cm?
*Sunday, May 19, 2013 at 6:24pm*

**geometry**

Sam went to the park and saw a work crew putting in a square garden. She found a tape measure that was stretched between opposite corners with a measurement of 171.1 feet and decided to find the area. What is the area of the square in yards?
*Sunday, May 19, 2013 at 6:22pm*

**geometry**

A rhombus has a side that is 14cm long. One of its diagonals is 24cm long. What is the area?
*Sunday, May 19, 2013 at 6:00pm*

**plane geometry**

if an obtuse triangle has an area of 28 sq.in. how do you find the base and height?
*Sunday, May 19, 2013 at 5:22pm*

**Geometry**

<ABD and <DBC are supplemetary. Find the value of x m<ABD and m<DBC.
*Sunday, May 19, 2013 at 3:59pm*

**Geometry**

a teepee with a dirt floor in the shape of a right cone has a slant height of 26 feet and a radius of 12.5 approximately how much canvas would be needed to cover the tepee?
*Sunday, May 19, 2013 at 12:35pm*

**To GANDU MAN**

Your geometry problem of yesterday has been answered. http://www.jiskha.com/display.cgi?id=1368886945
*Sunday, May 19, 2013 at 10:22am*