Wednesday

May 4, 2016
Number of results: 115,608

**Math**

In the accompanying diagram, the perimeter of isosceles triangle MNO is equal to the perimeter of square ABCD. If the sides of the triangle are represented by 4x+4 , 5x-3, 17 and one side of the square is represented by 3x, find the length of the square
*November 19, 2015 by Randy James*

**Circumference,Radius, Diameter**

What is the area of the circle if the radius is 2 cm? A. 3 cm squared B. 6 cm squared C. 10 cm squared D. 12 cm squared I don't really know the answer to this one because I am not sure what the formula for area of a circle is. If I knew the formula the maybe I could figure the...
*March 24, 2008 by Missy*

**MATH!**

To get from his high school to his home, Jamal travels 5.0 miles east and then 4.0 miles north. When Shelia goes to her home from the same high school she travels 8.0 miles east and 2.0 miles south. What is the measure of the shortest distance, to the nearest tenth of a mile, ...
*May 6, 2007 by megan*

**Math**

Native Americans made baskets like this one in the early 1900's. If two sides of the triangle shown on the basket measure 1/4 in., and the third side measures 3/8 in., what is the perimeter of the triangle?
*February 23, 2015 by Amri*

**Calculus**

Hello...i just had a quick question...its probably something easy to get...maybe i am thiking too hard...but the question is estimate the volume of solid that likes above the square R=[0,2] * [0,2] and below the elliptical paraboloid z=16-x^2-2y^2..divide r into four equal ...
*November 5, 2007 by Kim*

**mat117/algebra**

If the sides of a square are increased by 3 cm, the area is decreased by 36 cm^2. What were the dimensions of the original square? Please show me the formula and how to work. That doesn't sound possible. If the sides of a square are increased, the area must also be increased. ...
*June 27, 2007 by Diana*

**Language**

How many words can i write that are related to the base word image? Notice whether you have added prefixes or suffixes to the base
*February 25, 2011 by 4ever*

**Alg 1**

Solving quadratic equations: What is the value of "b" in the triangle where one part of the right angle is "3b" and the other part of the right angle is "b". The area inside is 24 in^2. Please solve and explain. Thanks
*April 6, 2013 by Jane*

**calculus**

27 ft of wire is to be used to form an isosceles right triangle and a circle. Determine how much of the wire should be used for the circle if the total area enclosed is to be a minimum? Maximum?
*November 11, 2013 by Heidi*

**Math**

An isosceles triangle has an area of 24 cm squared, and the angle between the two equal sides is 5 pi/6. What is the length of the two equal sides? I can't figure out how to set up this problem please help! Thank you!
*January 20, 2014 by Cassie*

**math**

7. What area remains when the area of a square with side 3 is subtracted from the area of circle with radius 2?
*August 22, 2014 by vincent*

**Math Calculus**

Hi, can anyone please help me solving these problems? any help will be greatly appreciated 1-If a tank holds 1000L of water, which takes an hour to drain from the bottom in the tank, then the volume V of water remaining in the tank after t minutes is V=1000(1-t/60)^2 0<=t&...
*November 21, 2007 by Tyler*

**math**

The hypotenuse of a right triangle is 1 cm more than twice the shorter leg, and the longer leg is 9 cm less than three times the shorter leg. Find the lengths of the three sides of the triangle..
*March 21, 2013 by nikki*

**math**

what is the height of a triangle whose sides are 13 , 20 and 21 cm
*June 8, 2010 by tom*

**geometry**

Why is the apothem of an equilateral triangle 1/3 its height?
*April 27, 2011 by Aria*

**Writing a 2 column proof..**

I have no idea where to start! and I've got lots of these to write. Directions say write a two-column proof... Given: segment AB is congruent to segment XY, AC is is congruent to XZ, and BC is congruent to YZ. Prove: triangle ABC is congruent to triangle XYZ
*November 11, 2009 by Chrissy*

**Trigonometric functions**

1)I have a right triangle. the hypotenuse is 7 the opposite leg is x and an angle is 32. Which equation can be used to find x? A)sin32=x/7 B)cot32=7/x C)tan32=x/7 D)cos32=x/7 I chose D 2)A right triangle 26 is the hypotenuse,opposite leg is 15. Find A to the nearest degree. A)...
*February 10, 2008 by Jon*

**math**

find the base of the exponential function whose graph contains the given points. 1.( 4, 1/625) 2.(3/2, 27) 3.(3, 1/343)
*September 3, 2014 by Chen*

**geology**

1. What fraction of the Earth is made up of each of the major compositional layers: core, mantle, and crust? 2. What cities lie the same distance from our town as the boundaries of the following layers in the Earth lie from the solid surface? a.Base of oceanic crust or top of ...
*September 3, 2008 by student01*

**math**

The base radius of a cone is 6 inches, and the cone is 8 inches tall. To the nearest square inch, what is the area of the lateral surface of the cone?
*April 12, 2010 by Ghanny*

**math**

The base radius of a cone is 6 inches, and the cone is 8 inches tall. To the nearest square inch, what is the area of the lateral surface of the cone?
*April 12, 2010 by Ghanny*

**math**

The base of a regular pyramid is a square whose sides have a length 8 cm. If a lateral edge of this pyramid has length 20 cm, what is the surface area of the pyramid?
*February 6, 2012 by Fustrated*

**Geometry**

The base of a regular pyramid is a hexagon whose sides have length 5 ft. If a lateral edge of this pyramid has length 9 ft, what is the surface area of the pyramid?
*February 6, 2012 by Fustrated*

**Chemistry (Electrochemistry)**

The thickness of a pure Ag plate on a base metal is to be determined by controlled potential coulometry. The metal sheet is masked except for a circular area, 0.5cm in diameter. Electrical connection is made to the metal and the sheet is clamped in a cell so that the unmasked ...
*January 10, 2015 by James*

**math**

Consider the Standard Normal curve: (a) Find the area between z = -0.45 and z = 1.45 (b) Find the value of z such that the area to the right of z is 1.5%.
*February 24, 2015 by yvonne bih*

**Geometry**

Which is the hypotenuse-angle theorem? ________________________________________ A. If the hypotenuse and an acute angle of a right triangle are congruent to the corresponding parts of another right triangle, then the triangles are congruent. B. If the hypotenuse and an obtuse ...
*June 30, 2010 by Superman*

**physics**

a pond of water filled with water apto 60m. 1)write formulato find the pressure of water exerted on the base of pond. 2)calculate the pressure exerted by the water on the base of pond?density of water is 1000kg/m3 3)half of the water was removed from the pond.what could be the...
*November 24, 2010 by sweetie*

**calculus**

The sides of an equilateral triangle are increasing at the rate of 5 centimeters per hour. At what rate is the area increasing when the side is 10 centimeters?
*October 5, 2010 by nesri*

**math**

show me how do find volume i know it is base x height but then what? example 20 cm wide 17cm high and how do i bring it to nearest cubic unit. I am in 6th grade. thank you
*January 22, 2009 by polly*

**maths**

find the amount of sheet metal needed to form a conical funnel of base radius 30 cm and vertical height 50 cm, allowing for a 0.5 cm overlap at the join?
*October 18, 2009 by Chirayu*

**math**

The angle of elevation of the top of a towerfrom a point 42meters away frm its base on level ground is 36degrees.find the height of the tower?
*June 17, 2013 by Nmesoma*

**calculus help please **

A piece of wire 14 m long is cut into two pieces. One piece is bent into a square and the other is bent into an equilateral triangle. (a) How much wire should be used for the square in order to maximize the total area? = 14 m (b) How much wire should be used for the square in ...
*April 15, 2014 by Christine *

**Geometry**

When one length of a right triangle is given how are the other sides found? Given side AB=2radical3 and CB=x.
*August 23, 2008 by Uy*

**Grade 8 Math**

A garden will be made up of a parallelogram, a rectangle and a triangle. The garden must have an area of 500m2. Draw two possible gardens. Determine the dimensions of each part of the garden, and justify your choice of these dimensions.
*November 23, 2013 by Robel Taame*

**financail Management**

In Area O, there will be more savers than spenders. Old people have usually accumulated more wealth and usually tend to have it in more conservative investments (i.e. fixed income instruments), whether they be bank deposits, bonds, etc. In Area Y, people will have more desire ...
*May 21, 2011 by Anonymous*

**math**

Jenifers flower bed is in the shape of a right angle triangle. The shortest side is one/forth of the second shortest side. if the area is 18sqaured what are the lengths of all three sides? I NEED A ANSWER ASAP! PLEASE
*October 17, 2012 by zack*

**math**

Jenifers flower bed is in the shape of a right angle triangle. The shortest side is one/forth of the second shortest side. if the area is 18sqaured what are the lengths of all three sides? I NEED A ANSWER ASAP! PLEASE
*October 17, 2012 by zack*

**zmathh**

Jenifers flower bed is in the shape of a right angle triangle. The shortest side is one/forth of the second shortest side. if the area is 18sqaured what are the lengths of all three sides? I NEED A ANSWER ASAP! PLEASE
*October 18, 2012 by zack*

**math**

Jenifers flower bed is in the shape of a right angle triangle. The shortest side is one/forth of the second shortest side. if the area is 18sqaured what are the lengths of ALL THREE SIDES? I NEED A ANSWER ASAP! PLEASE
*October 18, 2012 by zack*

**algebra**

At a point on the ground 30 feet from the base of a tower, the distance to the top of the tower is 2 feet more than twice the height of the tower. Find the height of the tower.
*August 30, 2015 by Mickey*

**math**

The area of the base of a rectangular juice box is 4 1/2 square inches. If the volume of the box is 18 cubic inches, how tall is the box?
*April 27, 2015 by joey*

**Pre-Algebra**

What is the formula to find the area of a circle? May I have an example?
*May 5, 2008 by Joy*

**geometry**

A sandpit in the shape of a rectangular prism has length 7 feet, width 5 feet, and height 1.75 feet. It is filled to the brim with sand. Joe puts this sand into a second sandpit having the same shape but a larger base. He needs 17.5 cubic feet of sand to fill the extra space ...
*April 2, 2012 by Jack*

**Geometry **

A sandpit in the shape of a rectangular prism has length 7 feet, width 5 feet, and height 1.75 feet. It is filled to the brim with sand. Joe puts this sand into a second sandpit having the same shape but a larger base. He needs 17.5 cubic feet of sand to fill the extra space ...
*April 4, 2012 by Frank*

**Physics- Elena please help!**

A 85.0 kg base runner begins his slide into second base when he is moving at a speed of 2.10 m/s. The coefficient of friction between his clothes and Earth is 0.570. He slides so that his speed is zero just as he reaches the base. (a) How much mechanical energy is lost due to ...
*October 9, 2012 by Anonymous*

**Area of triangles**

height is 12 inches area is 128 inches squared
*April 9, 2013 by Wyatt*

**Math**

A triangle has a perimeter of 35inches. The length of side a of the triangle is twice the length of side b. Side c is 5inches longer than side a. What is the length of each side of the triangle?
*September 13, 2011 by Bobbi*

**Physics**

A vertical container with base area of length L and width W is being filled with identical pieces of candy, each with a volume of v and a mass m. Assume that the volume of the empty spaces between the candies is negligible. If the height of the candies in the container ...
*September 1, 2014 by AGuy*

**chemistry**

Can you tell if I'm correct. Which combination in titration has ph=pka and buffer region strong acid-strong base- no to both strong acid-weak base- yes to both weak acid-strong base- yes to both weak acid-weak base- I'm not sure about this one. Can anyone explain this combination
*November 7, 2010 by poet*

**chemistry**

Can you tell if I'm correct. Which combination in titration has ph=pka and buffer region strong acid-strong base- no to both strong acid-weak base- yes to both weak acid-strong base- yes to both weak acid-weak base- I'm not sure about this one. Can anyone explain this ...
*November 8, 2010 by poet*

**geometry**

One equilateral triangle has sides 5 ft long. Another equilateral triangle has sides 7 ft long. Find the ratio of the areas of the triangles
*July 21, 2011 by Lydia*

**math**

Theresa wanted to find the height of her school's flagpole in inches. Theresa is 5 feet and 2 inches tall. She estimated that the flagpole was about 10 times her height, so she created the formula below to find the flagpole's height. height = (12 x 5 + 2) x 10 Using Theresa's...
*December 15, 2013 by Eden S.*

**Geometry**

In the surface area formula for cylinders, which expression represents the lateral area? πrh 2πrh <~my chocie πr*2 2πr*2
*February 17, 2016 by Jessica*

**yet another geometry question**

Points D, E and F are the midpoints of the sides of triangle ABC. If AD=6, CF=4 and the perimeter of triangle ABC = 30, then find BE. If D is between A&B, E is between B&C and F is between C&A, then the perimeter is 6+6+4+4 + (twice length of BE)= 30 Solve that.
*May 7, 2007 by mike*

**Geometry-PLEASE CHECK ANSWERS!**

In isosceles triangle DEF, DE=DF. Which of the following is true? 1) <D is congruent to <E 2) <F is congruent to <E 3) <D is congruent to <F 4) <D is congruent to <E which is congruent to <F Is the answer (3)? In triangle ABC, if line AB is congruent...
*February 23, 2010 by Laurie*

**Cosine Law**

For the next three questions, choose which is the most appropriate method to solve the problem, explain your answer. a) SOACAHTOA b) The Sine Law c) The Cosine Law d) The problem cannot be solved without further information 1) Yachts in a race have to sail a triangular course...
*May 25, 2014 by Jane*

**Calculus**

A piece of wire 40 m long is cut into two pieces. One piece is bent into a square and the other is bent into an equilateral triangle. How should the wire be cut so that the total area enclosed is a maximum= minimum= Find the length of the wire used
*May 7, 2013 by Brian*

**math Ms. Sue please ASAP**

3. Find the surface area for a cylinder with a height of 24 and a radius of 6. Use 3.14 for pi and round to the nearest whole number. 904 yd^2 1,017 yd^2 1,130 yd^2 2,713 yd^2 4. Find the volume for a cylinder which has a height of 24 and a radius of 6. Use 3.14 for pi and ...
*March 6, 2013 by Delilah*

**Geometry**

A plane is is flying 225 mph heading S25°W. The wind is blowing S80°E at 60 mph. 11. What is the bearing of the plane? 12. What is the smallest angle of the triangle? 13. What is the largest angle of the triangle? 14. What is the remaining angle of the triangle? 15. What is ...
*June 5, 2012 by Amber *

**math**

An electric post was broken by a strong typhoon.It formed a right triangle with the ground.If a broken part makes an angle of 25 degrees with the other part,and the topmost part of the post which is post which is on the ground is 40 ft from the base,how tall was the post?
*March 10, 2012 by NIRVANA RIZA A. GARON*

**Geometry**

Ok, this is going to be confusing to write, but I'll do my best... <=angle T=perpendicular to (when upside down) (Write proof in two-column form) Given: <JMK=<LMK; segment MK T plane P Prove: segment JK = segment LK There is a plane (P) and there are two obtuse ...
*October 17, 2007 by BlueEyedGrrl1738*

**math**

Try to draw a triangle with 2 right or obtuse angles. What generalizations can you make about the angles of a triangle? Explain.
*April 21, 2010 by Mia*

**5th grade**

the lengths of two sides of a triangle are 15 inches each and the third side measures 10 inches what kind of triangle is that
*November 11, 2010 by mara*

**geometry**

Use SAS (Side-Angle-Side congruence) to explain why triangle WXY congruent to triangle WZY
*December 1, 2010 by phoebe*

**Math**

A triangle has sides w/ lengths of 3x, 5x, and 8x. All of the sides add up to 180. Express the perimeter of the triangle in terms of x. PLEASE HELP!!!!!
*January 2, 2011 by Gigi*

**Math**

The perimeter of two equalater triangles are in ration 2:3. If the perimeter of the smaller triangle is 16 cm what is the measure of a side of the larger triangle?
*April 7, 2011 by xAlgebrax*

**Geometry **

Triangle ΔABC has vertices A(2,5), B(8,1) and C(-2,-1) and is a right triangle. If the slope of AB is -2/3 and the slope of AC is 3/2, are the lines parallel, perpendicular or neither?
*July 14, 2012 by Math*

**math**

Triangle ΔABC has vertices A(2,5), B(8,1) and C(-2,-1) and is a right triangle. If the slope of AB is -2/3 and the slope of AC is 3/2, are the lines parallel, perpendicular or neither?
*July 14, 2012 by ashley*

**Algebra 1 (Reiny)**

The measures of the sides of a triangle are shown as polynomials. The measures are: 2s^3 + 4; 5s; 4s^2 + 1. Write a polynomial to represent the perimeter of the triangle.
*February 20, 2014 by Anonymous*

**math**

The altitude of an equilateral triangle is 6 square 3 units long. The length of one side of the triangle is ____ units.
*July 14, 2014 by kyle*

**Geometry**

The sides of a triangle have lengths of 9, 11, and 16 units. What is the perimeter of a similar triangle with its longest side 24 units in length?
*January 8, 2015 by Danielle*

**GEOMETRY**

What are the angle measures of the triangle? A right triangle with a hypotenuse measuring 14sqrt3 and legs measuring 7sqrt3 and 21 30°, 60°, and 90° 45°, 45°, and 90° 60°, 60°, and 60° They cannot be determined.
*February 17, 2015 by Anonymous*

**Old -Linear programming - up where it may be found**

Posted by Anonymous on Wednesday, November 26, 2008 at 8:49pm. P=-30x+25y Subject to 2x+3y>=30 2x+y<=26 -6x+5y<=50 x,y>=0 I need the minimize and maximaze Responses * linear programming problem - Damon, Thursday, November 27, 2008 at 1:35pm One point at the origin...
*November 27, 2008 by Damon*

**algrbra**

the volume of the shape below is placed into a bow that is 10 feet tall and the area of the base is 48ft squared feet. to the nearest tenth what is the remaining space. The figure is a sphere that has a radius of 6 ft. r=6ft I really need help figuring how to do this.
*April 7, 2016 by hello2248*

**algrbra**

the volume of the shape below is placed into a bow that is 10 feet tall and the area of the base is 48ft squared feet. to the nearest tenth what is the remaining space. The figure is a sphere that has a radius of 6 ft. r=6ft I really need help figuring how to do this
*April 10, 2016 by hello2248*

**maths**

the ratio of total surface area to the curved surface area of a right circular cylinder is 3:2 find the volume if its total surface area is 14784 cm2
*December 6, 2015 by sukanya *

**Grade 6 math**

One side of an isosceles triangle is 15 cm shorter than the other 2 sides. The perimeter is 120 cm. How long are the sides of the triangle?
*March 2, 2009 by vana*

**Math**

the ratio of the corresponding side lengths of two triangles is 5 to 3. the perimeter of the larger triangle is 48m. What is the perimeter of the smaller triangle?
*April 9, 2010 by Alexis*

**Math**

The side lengths of a right triangle are each an integral number of units. If one of the legs is 13 units, what is the perimeter of the triangle? Thanks ~Zach
*May 20, 2010 by Zach*

** geometry **

the perimeter of triangle ABC is 21 units. Give the perimeter of the triangle formed by its midsegments (connecting midpoints of all sides).
*April 3, 2011 by sreve*

**math**

An equilateral triangle is inscribed in a circle. The radius of the circle is 21 in. Determine the side length of the triangle to the nearest 10th of an inch
*June 20, 2011 by Leasha*

**math**

Use (Triangle) PQR with coordinates P(2, –1), Q(0, 5), and R(–2, 0). Which matrix expression can be used to translate (triangle)PQR 1 unit left and 3 units up?
*January 25, 2012 by danny*

**college algebra**

an isosceles triangle has at least two sides of equal length. Determine whether the triangle with vertices (0,0), (3,4),(7,1) is isosceles.
*February 2, 2012 by john*

**math**

shape has 4 side: at least one angle measure90 is it a.righ triangle .b.right trapezod c.right triangle b.rhombus
*February 16, 2012 by vannyboo<3*

**geometry**

The coordinates of the vertices of triangle CDE are C(1,4), D(3,6), and E(7,4). If the triangle is reflected over the line y=3, what are the coordinates of the image of D? I think (3,-6), but not real sure.
*March 5, 2012 by Brandon*

**math**

a triangle has sides 9cm,12cm,18cm.the longest side of a similar triangle measures12cm.what is the length of other sides
*July 31, 2012 by vedant*

**TRIG**

Triangle FGH has vertices F(0, 10), G(10, 0), and HR(1, -1). After rotating triangle FGH counterclockwise about the origin 75º, the coordinates of G' to the nearest hundredth are (2.59, ?).
*October 30, 2012 by karina602*

**Geometry**

If x is the midpoint of line vy and wz And the prove is triangle vwx is congruent triangle yzx can you help me solve this using two column prove
*December 5, 2013 by Anonymous *

**Algebra **

If x is the midpoint of line vy and wz And the prove is triangle vwx is congruent triangle yzx can you help me solve this using two column prove
*December 5, 2013 by Anonymous *

**Math**

In right triangle ABC above, segment DE is drawn from side AB to AC as shown, forming right triangle ADE. If BC is 24, AB is 12, and BD is 4, what is the length of DE? A.18 B.16 C.15 D.12 E.8
*August 7, 2015 by Anonymous*

**Calc 1**

A piece of wire 11 m long is cut into two pieces. One piece is bent into a square and the other is bent into an equilateral triangle. (a) How much wire should be used for the square in order to maximize the total area? (b) How much wire should be used for the square in order ...
*April 28, 2015 by TayB*

**Calculus 1**

A piece of wire 23 m long is cut into two pieces. One piece is bent into a square and the other is bent into an equilateral triangle. (a) How much wire should be used for the square in order to maximize the total area? (b) How much wire should be used for the square in order ...
*November 11, 2015 by TayB*

**maths**

the sides of a triangle are in the ratio 2 ratio 3ratio 4. if the shortest side measures 6cm,what is the perimeter of the triangle?
*September 24, 2010 by Krtin*

**geometry**

An Equilateral triangle (ABC) is inscribed inside a circle. The side lengths of the triangle are 8 cm. What is the radius of the circle?
*March 29, 2011 by Katy*

**Geometry**

The scale factor for two similar triangles is 4 : 3. The perimeter of the smaller triangle is 12. What is the perimeter of the larger triangle?
*April 27, 2011 by Tyler*

**angles**

one angle of an isosceles triangle is 40 degrees. what are the two possible sizes for the larger angle(s) in this triangle?
*May 31, 2011 by montana*

**geometry**

the sides of a triangle have lengths 4x+1, 2x+1 and 6x-1. if the lengths of the longest side is 6x-1, what values of x make the triangle obtuse?
*January 19, 2012 by Anonymous*

**6th grade math**

The vertices of triangle ABC are a(8,23) B(2,2) C(2,8). What are the coordinates of the vertices if the triangle is reflected across the x-axis? is it A(8,2) B(2, -2) C(2, -8)?
*April 6, 2012 by i♥zee*

**geometry**

The scale factor for two similar triangles is 4 : 3. The perimeter of the smaller triangle is 12. What is the perimeter of the larger triangle?
*May 13, 2012 by adeny*

**math**

The scale factor for two similar triangles is 4 : 3. The perimeter of the smaller triangle is 12. What is the perimeter of the larger triangle
*July 5, 2012 by luis*