Saturday

August 1, 2015

August 1, 2015

**geometry**

if a polyhedron has a volume of 14 cm and is dilated by a factor of 1/5, what will be the volume of the dilated polyhedron? ROund your answer to the nearest thousandth if necessary
*Monday, June 23, 2014 by lauren*

**Geometry**

What is the value of x? image is on: tiny pic . com/r/nx1abn/8 I choose c 90 deg a 60 deg b 72 deg c 90 deg d 120 deg
*Monday, June 23, 2014 by Geo*

**Geometry**

Calculate the area of the shaded region in the figure shown. the image is on: tiny pic . com/r/152zyxi/8] just remove the spaces a) 144-54 SQRT(3) square meters b) 144 - 18SQRT(3) square meters c) 144 - 6SQRT(3) square meters d 54 SQRT(3) square meters
*Monday, June 23, 2014 by Geo*

**Geometry**

Two altitudes of a triangle have lengths 12 and 14. What is the longest possible length of the third altitude, if it is a positive integer?
*Monday, June 23, 2014 by ANON*

**geometry**

Determine the value of x. DO,k(x, 9) → (–10, –6) A. 5 B. 7 C. 12 D. 15
*Monday, June 23, 2014 by Dilatation *

**Psychology**

Which of the following statements best describes proactive interference? A. Having majored in French history in the 1960's, Ken finds it difficult to grasp new discoveries about Marie Antoinette B. While learning Italian, Lucy realizes she is losing her ability to speak ...
*Monday, June 23, 2014 by Cassie*

**geometry**

Find the image of P(–2, –1) after two reflections; first , and then . A. (–2, –1) B. (–1, –6) C. (4, –9) D. (1, –5)
*Saturday, June 21, 2014 by Anonymous*

**geometry**

The angle of depression from D to F measures 25°. If EF = 10 yd, find DE
*Thursday, June 19, 2014 by Anonymous*

**geometry**

A bicycle tire has a diameter of 60cm and rotates 33.3 revolutions per minute.How far does a point on the edge of the tire travel in a minute? Use 3.14 for pi.
*Tuesday, June 17, 2014 by Ghislaine*

**geometry**

LP turne 360 degrees every minute,if one side of an LP plays for 48 minutes,how many times does it turn around?
*Tuesday, June 17, 2014 by Ghislaine*

**geometry**

what is the greatest mass that can be taken an exact number of times from 720kg,1008kg and 672kg?
*Tuesday, June 17, 2014 by Ghislaine*

**geometry**

in the proportion 2/8=8/32, which numbers is the geometric mean of the other two numbers?
*Tuesday, June 17, 2014 by alice*

**geometry**

A 15m by 15m square garden has a 2m wide path that runs through the center.what is the area of the garden that is available for planting?
*Tuesday, June 17, 2014 by Lorna*

**Geometry **

quadrilateral A B C D on a graph. Point A is at ( -5, -1), Point B is at ( 6, 1), Point C is at (4, -3), Point D is at (-7, -5). Prove the quadrilateral is a parallelogram by using Theorem 5-8; if one pair of opposite sides of a quadrilateral is both congruent and parallel, ...
*Monday, June 16, 2014 by EKH*

**Geometry **

quadrilateral A B C D on a graph. Point A is at ( -5, -1), Point B is at ( 6, 1), Point C is at (4, -3), Point D is at (-7, -5). Prove the quadrilateral is a parallelogram by using Theorem 5-7; if the diagonals of a quadrilateral bisect each other, then it is a parallelogram...
*Monday, June 16, 2014 by EKH*

**Geometry**

How do you find the altitudes of a right triangle with the three sides?
*Monday, June 16, 2014 by Sheenybeany*

**Geometry**

How do you find the lengths of the sides of an isosceles triangle with three medians?
*Sunday, June 15, 2014 by Sheenybeany*

**Geometry**

How do you find the altitudes of an isosceles triangle? Thanks!
*Saturday, June 14, 2014 by Sheenybeany*

**geometry**

what will be the length of the shadow of a person whose height is 147cm? when it will be 9am?
*Friday, June 13, 2014 by TANISHA GANDHI*

**geometry **

The distance between the front wheels of a model car is 4.5 centimeters. What is the actual distance on the car if the scale is 1:24?
*Thursday, June 12, 2014 by Cesar Peralta*

**Geometry**

a four sided garden plot has an irregular shape. the second side is 12 feet longer than the first. the third side is 24 feet longer than the second. the fourth side is 36 feet longer than the third. if the perimeter of the plot measures 136 feet, what is the length of the ...
*Wednesday, June 11, 2014 by Jerry*

**geometry**

In a triangle, the measure of the first angle is four times the measure of the second angle. The measure of the third angle is 84 degrees more than the second angle. what is the measure of the first angle?
*Wednesday, June 11, 2014 by Alex*

**Geometry**

The radius of circle a (which is 6) is multiplied by 1/2. Describe the effect of the change of the area.
*Monday, June 9, 2014 by Emma*

**geometry**

solve the proportion: 5/2=22/24w the answer is 11/30 but I don't understand how you get that.
*Monday, June 9, 2014 by Emma*

**Math**

I'm an on-going 8th grader, and I'm taking a class for Algebra 2. What should I expect that is different from Algebra 1? P.S. I've taken Geometry online.
*Sunday, June 8, 2014 by Sheenybeany*

**Repost - Geometry question**

"please help me" posted this earlier: If m angle sign 1=37 degrees what is m angle sign 4 My answer: 43 degrees which is wrong. Correct answer: 37 degrees I don't understand how to do this.
*Thursday, June 5, 2014 by Writeacher*

**Geometry**

Given that the ratios of the perimeter of two similar shapes is 3/5, what is the ratio of their perimeters.
*Thursday, June 5, 2014 by Jorge*

**Geometry**

Find the area of a parallelogram with sides of length 6 and 8, and with an interior angle with measure 45 degrees.
*Wednesday, June 4, 2014 by Sheenybeany*

**geometry**

The lateral area of the right regular triangular prism is 18 cm^2.Find the total surface area.give your answer in decimal form rounded of to 2 decimal places
*Wednesday, June 4, 2014 by dj*

**geometry**

A kite is flying at an angle of elevation of 40 degrees. All 80 m of string have been let out. Ignoring the sag in the string, the height of the kite to the nearest 10 m is __?__ meters.
*Wednesday, June 4, 2014 by reyna*

**Geometry**

The diameter of circle C is 16 cm. is 70°. Use this information, the diagram, and your experiences in geometry this semester to answer these questions. (Use .)
*Wednesday, June 4, 2014 by Lalo*

**geometry**

What is the volume of a rectangular prism that has dimensions 1in , 2in , and 3in?
*Tuesday, June 3, 2014 by Mark L.*

**Geometry**

Is it possible for AB =10 BC =2x+5 AC =5x given that point B is midpoint why or why not
*Tuesday, June 3, 2014 by Kaya*

**Geometry**

Find the area of a parallelogram with sides of length 6 and 8, and with an interior angle with measure 45 degrees.
*Tuesday, June 3, 2014 by Sheenybeany*

**Geometry**

In quadrilateral ABCD, we have AB = BC = CD = DA, AC = 14, and BD = 48. Find the perimeter of ABCD.
*Tuesday, June 3, 2014 by Sheenybeany*

**Geometry**

The diameter of circle C is 18 cm. measurement of arc AD is 60°. Use this information, the diagram, and your experiences in geometry this semester to answer these questions. (Use 3.14 as pie)
*Tuesday, June 3, 2014 by Sarah Musselman*

**geometry**

Two tangents drawn to a circle from an external point intercept a minor arc of 150°. What is the measure of the angle formed by these two tangents?
*Tuesday, June 3, 2014 by teo*

**geometry**

The sum of the diameter of 2 circles is 28". Once circle has a diameter that is 8" longer. What are the diameters of each circle?
*Monday, June 2, 2014 by cyn*

**geometry**

What inequality represents the sentence below? The product of a number and 5 is no more than 8. A. 5n < 8 B. 5n > 8 C. 5n>8 D.5n<8
*Monday, June 2, 2014 by jay*

**geometry**

Kristen lives directly east of the park. The football field is directly south of the park. The library sits on the line formed between Kristen’s home and the football field at the exact point where an altitude to the right triangle formed by her home, the park, and the ...
*Monday, June 2, 2014 by jay*

**geometry**

1)How to find the area bounded by the 4 points in a coordinate? 2)what is the formula? 3)how the formula related to that?
*Monday, June 2, 2014 by Geeta .s.halli*

**Geometry**

at 10 feet away from the base of a tree, angle the top of a tree males with the ground is 61 degrees. of the tree grows at an angle of 78 degress with the respect to the ground, how tall is the tree to the nearest foot?
*Sunday, June 1, 2014 by Walter*

**Geometry**

A cube has infinitely many planes of symmetry. True or False? Identify the figures that are constructed from Polygons. A) Octahedron B) Tetahedron C) Prism D) None of the above E) All of the above In Translations, if you are moving 5 units BACK, which direction are you going? ...
*Sunday, June 1, 2014 by Yaz*

**Geometry**

The side lengths of two different cubes are 25 cm and 35 cm. What is the ratio of the volume of the smaller to the volume of the larger (in simplest form)?
*Sunday, June 1, 2014 by Yaz*

**Geometry**

The vertices of a pre-image are located at points (12, 8), (6, -4), and (-2, 10). If the image has coordinates (6, 4), (3, -2), and (-1, 5), is this an expansion or a contraction?
*Sunday, June 1, 2014 by Yaz*

**Geometry**

Two corresponding sides of two similar hexagons are 16 mm and 20 mm. What is the ratio of the area of the two hexagons? Name the postulate and two theorems you can use to prove triangle similarity.
*Sunday, June 1, 2014 by Yaz*

**Geometry**

How many edges does a triangular prism have?___________ What formula can you use to help you find the # of edges of a prism
*Sunday, June 1, 2014 by Janon*

**geometry**

A hemispherical dome holds a volume of 486π..find the surface area (omit the area of the circle)? I just need the formulas id use
*Friday, May 30, 2014 by Jane*

**Geometry**

An action movie production team needs glass spheres to hold a green liquid that looks like an explosive. If all of the available 3,392.92 cubic inches of the liquid is to be poured into 30 glass spheres, what should the diameter of each sphere be? Assume that each sphere is ...
*Friday, May 30, 2014 by Denver*

**geometry**

The endpoints of are A(2, 2) and B(3, 8). is dilated by a scale factor of 3.5 with the origin as the center of dilation to give image . What are the slope (m) and length of ?
*Thursday, May 29, 2014 by Anonymous*

**geometry**

Ralph the monkey is looking down at a 31° angle from the top of a tree. There are bananas on the ground 12.4 ft from the base of the tree. If Ralph flies down from the tree at a diagonal path, shown in the diagram by x, what distance would he travel? Round to the nearest ...
*Thursday, May 29, 2014 by rachel*

**Geometry**

Need help solving this problem so confused The tries of an automobile have a diameter of 22 inches. If the wheels revolve ten times, how far does the automobile move? Round your answer to the nearest tenth of a foot and show your work
*Thursday, May 29, 2014 by Bob*

**Geometry**

How do you factor xsquared-10x-39=0
*Thursday, May 29, 2014 by Any ominous *

**geometry**

a self supporting ladder placed so that the angle between the ladder and the ground is 75.5" can be used to test whether the ladder can support a certain load. The diagram represents a ladder placed next to a window that is 20feet above the ground. What is the length of ...
*Thursday, May 29, 2014 by shan*

**geometry**

Rewrite the following in If-then form: the product of x and y is an odd multiple of 5
*Wednesday, May 28, 2014 by Anonymous*

**Geometry**

Could anyone tell me if this question is correct? 2.) Which is true about both Pappus's Theorem and Desargues' Theorem? Each theorem applies to spherical geometry. Each conclusion states that three points are collinear. <---- Each hypothesis is based on triangles. ...
*Wednesday, May 28, 2014 by Jazy *

**Geometry (Checking)**

2.) Which is true about both Pappus's Theorem and Desargues' Theorem? Each theorem applies to spherical geometry. Each conclusion states that three points are collinear. <---- Each hypothesis is based on triangles. Each theorem involves a dilation. 3.) How many ...
*Wednesday, May 28, 2014 by Jazy *

**geometry**

a line segment has end point P(3,6) and Q(12,18) and is dilated so thats its new endpoints are Q' (8,12). What is the scale factor? If the lenght of PQ is 15 what is the lenght of P' Q'? Can you plez help worth 10 points
*Wednesday, May 28, 2014 by Destiny*

**Geometry**

Abcd is a parallelogram. If m<bcd = 113 , then m<dab = ?
*Wednesday, May 28, 2014 by Anonymous*

**geometry**

7 - 3 = 4, 8 - 5 = 3, 9 - 8 = 1 Conclusion: the difference of two positive numbers is always positive.
*Wednesday, May 28, 2014 by Antoine*

**algebra/geometry**

How do you do the diamond or the t-chart to find the possible values of x... x^2 -3x-28 ??? I don't remember how to....
*Tuesday, May 27, 2014 by vanessa amador*

**geometry**

In circle O, m angle D O G= 92°, and the length ofarc D Gis 16. Assuming that O is the center of the circle, calculate the length of the radius. Round your answer to the nearest hundredth.
*Tuesday, May 27, 2014 by canfdice*

**geometry**

The base of a right triangular prism is a right isosceles triangle whose equal sides measure 25 cm. each. The volume of the prism is 7.5 cubic meters. Find the height of the prism.
*Tuesday, May 27, 2014 by Anon.*

**Geometry**

Ann went on a 10 hour bicycle trip. The graph models the relationship between the time and the total distance traveled by Ann. The table shows selected points on the graph. T=0,1,4,7,10 d(t)=0,3,5,5,10 draw a graph of anns speed in mph in terms of the time in hours.
*Tuesday, May 27, 2014 by Rob*

**Geometry**

If m<AHM = 3x+5 and m<TMH = 7x-27, find m<AHM prntscr(dot)com/3n61w3 For figure required for problem.
*Tuesday, May 27, 2014 by John*

**geometry math help**

"the inside of a carton is measured and is found to be width of 40cm, length 60cm and depth 30 cm. it is to be packed 2 layers deep with cylindrical tins that have a radius of 5cm and height of 15cm (outside measurements)." a) show that 48 tins can be packed into the...
*Monday, May 26, 2014 by Kiirsty*

**Geometry**

The diagonals of a trapezoid are perpendicular and have lengths 8 and 10. Find the length of the median of the trapezoid.
*Sunday, May 25, 2014 by Sheenybeany*

**Maths-euclidean geometry**

Determine with reasons the value of y(XY) in the diagram below. Given that AB= 4 units and BC= 3 units. X and Y are midpoints of AB and BC respectively.
*Sunday, May 25, 2014 by Unathi*

**Geometry**

The equation of a circle is (x−4)^2+ (y+2)^2=16. B) Find the radius of the circle with the given equation. Can somone give me step by step explanations? Thank you in advance!
*Sunday, May 25, 2014 by Jazy*

**Geometry (Checking)**

Point A is on the inside of a maze that is a simple closed curve. A segment from point A to the outside of the maze must cross the border of the maze an ___EVEN____ number of times for point A to be inside the maze. If a convex polyhedron has 6 vertices and 8 faces, then it ...
*Saturday, May 24, 2014 by Jazy*

**Geometry**

Point A is on the inside of a maze that is a simple closed curve. A segment from point A to the outside of the maze must cross the border of the maze an ___EVEN____ number of times for point A to be inside the maze. If a convex polyhedron has 6 vertices and 8 faces, then it ...
*Saturday, May 24, 2014 by Jazy*

**geometry**

A plane is flying at an altitude of 12,000 m. From the pilot, the angle of depression to the airport tower is 32°. How far is the tower from a point directly beneath the plane?
*Friday, May 23, 2014 by niglet*

**geometry**

Jake rolls two standard number cubes. Find the probability that the sum of the roll is 10, given that both cubes rolled odd numbers.
*Friday, May 23, 2014 by Plz help*

**geometry**

Part of a road that is 452 meters in length has a slight incline. The vertical rise is 12 meters. Find the angle of elevation. can anybody help? and it must be rounded to the nearest tenth
*Thursday, May 22, 2014 by danielle*

**Geometry Help!!!**

. Katrina lives directly east of the park. The football field is directly south of the park. The library sits on the line formed between Katrina’s home and the football field at the exact point where an altitude to the right triangle formed by her home, the park, and the ...
*Thursday, May 22, 2014 by Jordan*

**Geometry**

17. The equation (x + 6)2 + (y + 4)2 = 36 models the position and range of the source of a radio signal. Describe the position of the source and the range of the signals. (3 points
*Thursday, May 22, 2014 by Jordan*

**geometry**

Find the lateral area and volume of the right triangular prism. side lengths are 3,4,5 and height is 6.How do I find out the apothem?
*Thursday, May 22, 2014 by Jane*

**geometry**

there exists a circle with chords. the chords are congruent. their corresponding arc measurements are 80 degrees and 2x+10 solve for x
*Wednesday, May 21, 2014 by Tim*

**geometry**

If Dave is 6 feet tall and casts a shadow of 15 feet, what is the height of a tree that casts a shadow of 81 feet? Draw a diagram and solve for the height of the tree.
*Wednesday, May 21, 2014 by DC*

**Geometry**

Using a 30-60-90 triangle, if b = 12, find c? I can't seem to get any formulas to work for this. any help would be wonderful.
*Wednesday, May 21, 2014 by Kylee*

**geometry**

An a-frame cabin is 38 feet across at the base and the roof males an angle of 52 degrees with the ground how tall is the cabin?
*Tuesday, May 20, 2014 by taylor*

**geometry**

A railroad track enters a field 480 feet north of the southwest corner and leaves 340 feet east of the southwest corner what angle does the track make with the south boundary?
*Tuesday, May 20, 2014 by taylor*

**geometry**

a surveyor on level ground finds the angle of elevation of a 138-foot flagpole to be 47 degrees how far from the base of the pole is the surveyor?
*Tuesday, May 20, 2014 by taylor*

**geometry**

from the top of a vertical 186 foot cliff the angle of depression of a boat is 13 degrees(angle of depression is measured downward from horizontal) how far is the boat from the observer at the top of the cliff?
*Tuesday, May 20, 2014 by taylor*

**geometry**

a 30 foot ladder leaning against a vertical wall makes an angle of 81 degrees with the ground how far from the base of the pole is the surveyor?
*Tuesday, May 20, 2014 by taylor*

**geometry**

a room is 18 feet long,15 feet wide and has an 8 foot ceiling.a cord is stretched from the floor at the southwest corner to the ceiling at the northeast corner.What angle does the cord make with the floor?
*Tuesday, May 20, 2014 by taylor*

**geometry**

a rectangle is 17 inches wide 29 inches long what angle does the diagonal make with the lengths?
*Tuesday, May 20, 2014 by taylor*

**geometry**

for a guy wire to a tower is 180 feet long and makes an angle of 34 degrees with the tower.If the ground is level,how far from the base of the tower is the anchor part?
*Tuesday, May 20, 2014 by taylor*

**Geometry**

The ABC Toy Company is creating two similar pieces for a board game, as shown below. Find the value of x that makes the two pieces similar.
*Tuesday, May 20, 2014 by Anastasia*

**Geometry**

Karen makes pottery on a pottery wheel. Today she is making vases that are in the shape of a circular cylinder that is open at the top, that is, it has only one base. The base has a radius of 4.5 centimeters and 0.75 centimeters thick. The lateral surface of the cylinder will ...
*Monday, May 19, 2014 by Jake Monroe*

**geometry**

A floor measures 10m by 5m is to be covered with flooring boards measuring 1m 20cm. How many flooring boards would be needed to cover this section.
*Monday, May 19, 2014 by lindsay*

**Geometry**

Martin wants to use coordinate geometry to prove that the opposite sides of a rectangle are congruent. He places parallelogram ABCD in the coordinate plane so that A is (0, 0), B is (a, 0), C is (a, b), and D is (0, b). What formula can he use to determine the distance from ...
*Monday, May 19, 2014 by Jeremy*

**Geometry**

Nobody has an answer for this, so I thought might as well post this on Jiskha. "Medians AX and BY of Triangle ABC are perpendicular at point G. Prove that AB=CG." I need an entire solution by Tuesday, May 20, 2014. I just need a little boost and thx for the help...
*Sunday, May 18, 2014 by da machine*

**maths**

calculate the values of p and q Analytical geometry
*Sunday, May 18, 2014 by rachel*

**geometry**

if you add 10% to each side of a triangle what is the % of gain
*Sunday, May 18, 2014 by terry*

**Geometry**

the walls, floor, and ceiling of a room form a rectangular solid. The total surface are of the room is 992 square feet. The dimensions of the floor are 12 feet by 20 feet a. What is the lateral area of the room b. What is the height of the room.
*Saturday, May 17, 2014 by Jake Monroe*

**Geometry**

A tree casts a 36 ft shadow. The angle of depression from the top of the tree to the tip of the shadow is 25°. Find the height of the tree to the nearest tenth.
*Friday, May 16, 2014 by Meg*

**Choosing Courses**

Is it okay to take Algebra II and Geometry at the same time or would that be too hard, in general?
*Friday, May 16, 2014 by Anonymous*

**geometry**

if a cone is 7.5 cm high and has a vertical angle of 70 degree calculate the diameter of its base.
*Friday, May 16, 2014 by ryan*

**geometry**

Use Pythagorean Theorem to determine which set of sides can be the sides of a right triangle. Question 14 options: a) 3,4,5 b) 4,4,8 c) 6,6,12 d) 8,9,10
*Friday, May 16, 2014 by tobias*