Thursday

May 26, 2016
Number of results: 87,908

**Precalc**

1. 1/3log base 8 of (x+1)=2log base 8 of 3-(2/3)log base 8 of (x+1) 2. 2^x+8 times 2^=x all over 2 = 3 3. if log base a of 3= x and log base a of 2 = y, find each of thefollowing in terms of x and y log base a (18a^3) thanks!!
*November 28, 2012 by Rebekah*

**Applied Calculus**

A rectangular box is to have a square base and a volume of 50 ft3. The material for the base costs 32/ft2, the material for the sides costs 10/ft2, and the material for the top costs 26/ft2. Letting x denote the length of one side of the base, find a function in the ...
*March 13, 2013 by Jacob*

**Math**

The length of the side QR of a triangle PQR is 14.5cm <PQR=71 <QRP=57,find the length of the side s PR and PQ
*January 15, 2015 by Joyce*

**math**

In equilateral triangle ABC, AB=3x and BC= 2x=12. Find the numerical value of the perimeter of ABC.
*September 29, 2010 by Troy*

**Physics URGENT**

5uC charges are at the base vertices of an equilateral triangle 0.4m on a side. What is the electric field at the third vertice? im not completely sure how to start that.. don't i need the force to calculate the x&y components? NO. Figure E directly from a charge. ...
*February 2, 2007 by MatT*

**Physics E&M**

Three electrons form an equilateral triangle 1.00 nm on each side. A proton is at the center of the triangle.What is the potential energy of this group of charges?
*February 18, 2008 by Spencer*

**MATH**

two sides of a triangle measure 8 and 15. how many integer values can be assigned to the third side so that all the angles in the triangle are acute.
*January 28, 2011 by Diana*

**geometry**

Two sides of a triangle measure 8 and 15. How many integer values can be assigned to the third side so that all the angles in the triangle are acute?
*April 18, 2011 by samuel*

**physics **

In a certain right triangle, the two sides that are perpendicular to each other have lengths h = 4.40 m and b = 8.70 m. What is the length of the third side of the triangle?
*January 21, 2016 by john*

**trig**

In a certain right triangle, the two sides that are perpendicular to each other have lengths h = 4.40 m and b = 8.70 m. What is the length of the third side of the triangle?
*January 23, 2016 by jojo*

**math**

How do you find the area of each triangle and know which one has the greatest area , if you have a perimeter of 12 units
*March 8, 2015 by kimmy23*

**PHYSICS**

explorers in the jungle find an ancient monument in the shape of a large isosceles triangle. the monument is made from tens of thousands of small stone blocks of density 3 800 kg/m^3. the monument is 15.7 m high and 64.8 m wide as its base and is everywhere 3.6m thick from ...
*March 5, 2013 by helpppp meeeeeeee PHYSICS.........................*

**math**

according to the triangle inequality, the length of the longest side of a triangle bust be less than the sum of the lengths of the other two sides. the two shortest sides of a triangle measure 3/10 and x + 1/5 and the longest measures 3/2x. write an inequality that uses the ...
*January 15, 2016 by j*

**math**

a triangle is____if two angles have the same measures parallel unit price rate isosceles decimal
*April 11, 2010 by Anonymous*

**geometry**

One leg of an isosceles right triangle measures 5 inches. Rounded to the nearest tenth, what is the approximate length of the hypotenuse?
*February 19, 2016 by Melissa*

**physics**

Three equal positive point charges q are at the corners of an equilateral triangle with sides of length a. What is the magnitude and direction of the electric field at one corner of the triangle due to two charges placed on another two corners of the triangle ?. These two ...
*January 12, 2016 by THOMAS123*

**geometry**

The sum of the lengths of the sides of triangle ABC is 25 in. The lengths of sides AB and BC are 9 inches and 8 inches. Find the length of side AC and classify the triangle.
*March 15, 2011 by Portia*

**math**

The first term of a an infinite sequence is an equilateral triangle inscribed in a circle. The triangle has side n. Each new polygon in the sequence is formed by replacing the middle third of each side by two segments that have the same length as each third. As n, increases ...
*March 8, 2013 by Moyer*

**Math-check my answers please :)**

1.Find the length of the hypotenuse of a right triangle with the legs of 9cm and 12cm A.8 B.21 C.15*** D.225 2.The length of a hypotenuse of a right triangle is 13cm. The length of one leg is 5cm. Find the length of the other leg. A.14*** B.144 C.8 D.12 3.Which of the ...
*November 7, 2015 by Cami*

**calculus**

the volume of a rectangular box with a square base remains constant at 500 cm^3 as the area of the box increases at a rate of 3cm^2/sec. find the rate at which the height of the box is decreasing when each side of the base is 18 cm long.
*May 5, 2011 by Anonymous*

**geometry**

The height of triangle ACE is 12 and base AE=20. A rectangle is inscribed in triangle ACE as shown in the diagram a) express the rectangle's area as a function of x and y b)Use the fact that triangle ACE is similar to BCD to write y as a function of x. c)express the rectangle'...
*August 30, 2011 by jay*

**Math**

Triangle L'M'N' is a dilation of triangle LMN. If the scale factor of the dilation is 1/5, which of the following statements is true? Triangle L'M'N' is a rotation of triangle LMN. Triangle L'M'N' is the same size as triangle LMN. Triangle L'M'N' is a reduction of triangle LMN...
*May 8, 2014 by Anonymous*

**Algebra**

A 10 foot ladder is to be placed against the side of a building. The base of the ladder must be placed at an angle of 72degree with the level ground for a secure footing. Find to the nearest inch, how far of the ladder should be from the side of the building and how far up the...
*February 7, 2012 by Zing*

**math**

thanks anyone! A right prism has a polygonal base with n sides. Each side has a length of 5 in. The altitude of the prism is 20 in. If the base had n+1 sides, each still having a side of length 5 in, by how much, in square inches, would the lateral area of the prism increase ...
*August 23, 2011 by scott*

**Math - Trig**

1. Find the altitude of an isocles triangle having base 184.2 cm if the angle opposite the base is 68deg 44' 2. A 13.5m fire truck ladder is leaning against a wall. Find the distance d the ladder goes up the wall (above the top of the fire truck) if the ladder makes an angle ...
*November 27, 2013 by McKenna Louise*

**math**

what is the surface area of the triangle prism. b=9 h=12 side=7 side=15 the answer is 413.39
*June 16, 2015 by siulanis perez*

**perimeter and area**

the top of the trusty twisty toaster has an area of 48 inches. if the top is 8 inches wide, how long is the side? what is the perimeter of the top? Length = 6? Perimeter = 28 inches?
*January 26, 2016 by a*

**geometry**

you are building a ramp that will be in the shape of a perfect right-angled triangle. The vertical height of th ramp will be 10 feet. the horizontal base of the ramp will be 15 feet. what will be the length of the downward sloping side of the ramp?
*July 8, 2010 by melissa*

**Math**

Need to know the formula for find the perimeter. Need to solve this problem. A square metal box has a perimeter of 8.32". If the sides are .04" thick what is the perimeter of the inside?
*September 21, 2009 by Dale*

**Math**

Patricia's teacher asked her to find the perimeter of the school's rectangular parking lot. After school, patricia walks along the short side of the lot and finds it is 50 yards long. She then walks diagonally from one corner of the rectangle to the other and throught the exit...
*February 7, 2010 by joe*

**Computers**

What is the pseudocode of a square with side X, A = X^ 2; circle with radius X, A = 3.14 * X 2; equilateral triangle with side X, A = Sqrt (3)/4 * X^2
*April 30, 2012 by Marcelino*

**precal help asap**

If a triangle ABC has A = 52 degrees, side a = 178, and side b = 234, then what is the measure of B?
*May 28, 2014 by l*

**math**

the height of a triangle is 4 centimeters longer than its base. If the area of the triangle is 22.5 swuare centimeters, then what is the height of the triangle?
*May 9, 2012 by Anonymous*

**E& M physics**

Three electrons form an equilateral triangle 0.600 nm on each side. A proton is at the center of the triangle. What is the potential energy of this group of charges?
*October 2, 2015 by Master Blaster*

**Math**

The areas Of Two Similar Triangle Are 144cm & 81cm . If One Of The First Triangle 6cm, What Is The Legth Of The Correspoding Side Of The Secod?
*May 18, 2016 by Greda 9*

**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 maximum? I can only find the minimum because the parabola is opening upward
*November 11, 2013 by H*

**Geometry **

"Find the length of the altitude, x, to the nearest hundredth of a meter." The base of the triangle is 14 feet.
*March 9, 2011 by Isiah*

**math**

Find the height of a triangle with a base of 24 ML and an area of 66 square. My answers is2.75 am i correct. Thanks
*March 18, 2013 by Americal*

**Math**

Can you find the base and height measurements for a triangle if you know that the area is 22 square units? Explain why or why not.
*April 10, 2014 by Khrys*

**Math**

Please help me with the following by checking my answer. The length of the hypotenuse of an isosceles right triangle is √6 inches. How long, in inches, are the legs of the triangle? A. 3 B. 6 C. √3 - (This is my answer.) D. √6 I am not sure on my answer, ...
*April 8, 2014 by Brady*

**MATH**

In a right triangle find the length of the side not given. b=2,c=29
*September 12, 2009 by Anonymous*

**Geometry**

How to find the unknown side of a triangle using the Pythagorean Theorem
*June 22, 2011 by Michael Wade*

**Geometry**

30-60-90 triangle has a hypoteneuse of 10 use trig to find the short side
*August 3, 2011 by Christa*

**geometry**

find the altitude of an equilateral triangle with side length twelve
*February 23, 2012 by sara*

**Algebra**

use right triangle-find the length of the missing side : b=2.1, c = 2.9
*March 16, 2013 by Brieson*

**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.
*June 24, 2013 by jaspreet*

**math**

how do i find the length x of a right triangle,when one side is x+48 and the other is 72.?????????
*August 6, 2013 by jaslene*

**Algebra 1**

A right triangle has a base measuring 5 centimeters & a height of 12 centimeters. By what amount will the area of this triangle increase if both the base length & the height are tripled? Answers: a.) 240 square centimeters b.) 270 square centimeters c.) 480 square centimeters ...
*April 23, 2012 by Taylor Leigh*

**math**

how do you find the perimeter of a triangle like this but with an 8 on one half of the middle (cut in half) and the bottom being 5m . . . . . .......
*April 5, 2010 by Anonymous*

**Math **

The radius of this circle is one unit. Find the exact lengths of the legs in the right triangle if: Sides a is twice as long as side b. And Sides b is twice as long as side a.
*December 12, 2015 by David *

**Math Help**

The radius of this circle is one unit. Find the exact lengths of the legs in the right triangle if: Sides a is twice as long as side b. And Sides b is twice as long as side a.
*December 12, 2015 by David *

**Algebra**

Area of a triangle. Find the exact area of a triangle with a base of sqrt 30 meters and a height of sqrt of 6 meters. Thank-you
*July 15, 2010 by jonie*

**Math**

If two angles of one triangle are congruent to two angles of another triangle, these triangles must be a) scalene b) similar c) congruent d) isosceles Dont all traiangles have 180 degrees? So if two angles were congruent, what about the third? I still don't get it. I would ...
*March 4, 2007 by Becky*

**Trigonometry **

In a figure, ABCD is a rectangle in which AD=43.7 cm, DE=100 cm and EDC =27, where E is a point above C making a rught angled triangle DEC above the rectangle. Find angle EAD. I found the other parts of this question but thjs one's difficult. I assumed AB as the rectangle's ...
*February 13, 2016 by DS*

**math**

How do you find the perimeter of a polygon? And how is finding the perimeter of a rectangle different fro finding the perimeter of other polygons?
*September 24, 2008 by dawn*

**Physics - KE/inertia**

The rigid body shown in Figure 10-66 (it is a triangle with the upper mass = to M and the bottom two corners/masses equal to 2M. The bottom side length equals .70 cm with point P in the middle of the side and the other two sides equal .55 cm)consists of three particles ...
*March 27, 2007 by COFFEE*

**Math Help!!!**

please check my answers 1. Find the length of the hypotenuse of a right triangle with the legs of 9cm and 12cm A.8 B.21 C.15 *** D.225 2.The length of a hypotenuse of a right triangle is 13cm. The length of one leg is 5cm. Find the length of the other leg. A.14 B.144 C.8 D.12...
*November 21, 2014 by math help asap*

**Geometry**

What is the volume of a regular pyramid if it has a square base, one side of the base measures 4 cm, and the altitude is 5 cm?
*July 31, 2011 by Brianna*

**maths **

a 4m ladder is leaning against a wall when its base starts to slide away. By the time the base is 2m from the wall, the base is moving at the rate of 1m/sec. find a) the speed at which the top of the ladder is sliding down the wall b) the rate at which the area of the triangle...
*July 15, 2012 by Michelle *

**geometry**

In an isosceles triangle ABis congruent to BC. Measure of angle A is x +3y and the measure of angle C is 3x +2y. The measure of angle C is 63 degrees. Find x and y.
*November 15, 2010 by Aaron*

**GEOMETRY**

A. A regular hexagon with a perimeter of 24 units is inscribed in a circle. Find the radius of the circle. B . Find a relationship between the areas of triangle ADC and parallelogram ABCD this is our assignment for tomorrow . . its geeting late please help me finish
*October 22, 2013 by Barbie Lee *

**math**

the vertices of triangle abc are A(-2,3) B(10,3) and C(4,10. prove by coordinate geometry that the median to side AB is also the altitude to side BC?
*February 20, 2007 by sean*

**7th grade math**

what is the ratio of a triangle that is 6cm on one side,and 10cm on the other side,and 8cm on the last?
*January 21, 2010 by eric*

**Math**

How do I write a polynomial expression to represent the third side of the triangle? I know one side is 2x-3y and the other is x+2y and P=5x+2y? I am lost.
*August 31, 2011 by Donna*

**pre calculus**

For a given right triangle, angle A = 61 and side b = 39 feet. What is the length of side c to the nearest foot?
*November 30, 2012 by Kelsey*

**pre calculus**

For a given right triangle, angle A = 61 and side b = 39 feet. What is the length of side a to the nearest foot?
*November 30, 2012 by Kelsey*

**pre calculus**

For a given right triangle, angle A = 61 and side b = 39 feet. What is the length of side a to the nearest foot?
*November 30, 2012 by Kelsey*

**pre cal**

For a given right triangle, angle B = 46 and side c = 30 feet. What is the length of side a to the nearest foot?
*November 30, 2012 by Kelsey*

**Algebra**

Which of the triangles described in the table is a right triangle? side 1 side 2 side3 q 25 20 15 r 26 20 46 s 25 20 1025 t 25 26 650 I think that it is R
*October 11, 2013 by Steve*

**math**

For a given right triangle, side A = 490 ft and side b = 960 ft. What is the measure of angle B to the nearest degree?
*August 2, 2014 by Lee Ann*

**math**

the side of an equilateral triangle measures 5 cm more than the side of a square. if both their perimeters are the same, what are their sides?
*January 13, 2015 by Yuri*

**geometry**

perimeter of right triangle equals 1400 and hypotenuse equals 600 how do you find out what legs measure
*May 24, 2010 by babs*

**algebra**

Triangles ABC and DEF are similar. Find the perimeter of triangle DEF. Round your answer to the nearest tenth.
*March 1, 2013 by sally*

**math**

Draw a quadrangle below.Measure the sides to the nearest 1/2 inch.Write the length next to each side.Find the perimeter.
*March 22, 2012 by david*

**math**

Consider an equilateral triangle with points located at each vertex and at each midpoint of a side. (See picture.) This problem uses the set of numbers {1, 2, 3, 4, 5, 6}. Place one number at each point. Call the sum of the three numbers along any one side (two vertices and ...
*October 10, 2014 by al*

**geometry**

TWO COLUMN TRIANGLE PROOF Given: line AB is parallel to line DE, and line AD bisects line BE Prove: triangle ABC is congruent to triangle DEC by using the ASA (angle-side-angle) postulate
*November 9, 2008 by tori*

**maths**

All the students in a school are made to stand in rows so as to form an equilateral triangle. The first row consists of one student, the second row 2 students, third row 3 students and so on. Had there been 90 more students, the total number of students could have been ...
*February 1, 2010 by rajshekhar*

**geometry/calculus**

Use Cavalieri's Principle to find the area of the region. In the example we see a "leaning tower" with base 'a' and height 'b'. The left side of the leaning rectangle is given by y = x^2, the right side given by y = (x - a)^2 the answer to this problem is A=ba but can anybody ...
*December 13, 2011 by david*

**math**

Triangle ADE is inside rectangle ABCD. Point E is half way between points B and C on the rectangle. Since AB is 8 cm and side AD is 7 cm. 1. what is the area of triangle ADE? 2. what is the ratio of the area of the triangle ABE to the area of triangle ADE? 3. What is the ratio...
*April 14, 2013 by natalie*

**Area and Perimeter Shepes**

a rectangle has a perimeter of 32cm. one side measures 5cm. calculate the area of the rectangle.show your working.
*November 10, 2015 by Willow*

**geometry**

the perimeter of a rectangle is 72. the base is 3 times the height find the area of the rectangle
*October 3, 2013 by w*

**ie math**

A right triangle has hypotenuse 8 and area 8. Find the perimeter? I think I have to apply Heron's formula to this question, but I don't know how to solve. Please help. Your help is very much appreciated!
*March 27, 2012 by Dara*

**math geometry ITT**

so i know that when you have an isosceles triangle has 2 equal sides, and the 2 angles created by those sides are also equal . if a question gives me the angle at the top ( which is 40 degrees ), how do i find the 2 equal angles at the bottom ?
*January 10, 2011 by amanda*

**More algebra--please help!**

Here are some more questions I'm having trouble with. Please walk me through them so I can fully understand them. #2: Let A be (5,9), B be (-3,-5), and C be (1,1). The median of a triangle connects a vertex of a triangle to the midpoint of the opposite side. *Another note: ...
*December 17, 2008 by Celina*

**Math help plz check my answers!**

11. Name the triangles that are classified by sides. right, scalene, isosceles scalene, isosceles, equilateral*** acute, right, obtuse obtuse, isosceles, acute
*March 10, 2014 by anonymous*

**area an perimeter**

a parallelogramhas an area of 4yd squared the height is 1yd find the base
*September 25, 2011 by margie*

**college math**

Find the area of the triangle whose base is 12 m and height is 15m. The formula be A = 1/2 x 12 x 12 the answer be 90
*June 1, 2012 by Lourane*

**St Joseph high school**

Find the height of a triangle whose area is 39000 sq cm and base is 260 cm
*November 1, 2015 by Rahima rakhangi*

**Algebra**

In a right triangle find the length of the side not given. b=1, c=sqrt10, a need help
*July 3, 2008 by Sam*

**Pre Calc**

In triangle ABC, b=14, c=15, and cos a= 3/5. Find a)side a b) Sin B Help please?
*April 13, 2009 by MW*

**Geometry **

In triangle ABC, side a=7, b=6, and c=8. Find the measure of angle B to the nearest degree.
*May 8, 2010 by Sue*

**math**

in right triangle find length of side not given b=1,c=square root of 26
*September 14, 2010 by ruthann*

**Geometry**

How do you find the distance from the center of an equilateral triangle, with the side length of L, to a point?
*January 11, 2011 by Ngoc*

**maths**

find area of the triangle with the length of the side 36cm,48cm, and 60cm.
*December 17, 2011 by sunil tadvi*

**Algebra**

triangle-find the length of the missing side? a= 16, b = 63 please walk me through this.
*March 16, 2013 by Brieson*

**math**

how do i find the length x of a right triangle,when one side is x+48(hypotenuse) and the other is 72.?????????
*August 7, 2013 by jaslene*

**Math**

A right-angled triangled has sides (x+10)cm,(x+2)cm and (x+4). find the value of each side of the triangle.
*November 7, 2015 by Odun*

**math b**

the vertices of triangle ABC are A(-2,3), B(0,-3), and C(4,1). prove, by means of coordinate geometry, that the median to side BC is also the altitude to side BC.
*May 25, 2009 by jojo*

**pre calculus**

For a given right triangle, angle B = 46 degrees and side c = 30 feet.What is the length of side b to the nearest foot?
*November 30, 2012 by Kelsey*

**algebra 1**

write an algebraic expression that could be used to represent the perimeter of the triangle below. write the expression in simplest form. triangle 3x+1 3-x 2x+4 A: 6x+2 B: 5x-8 C: 4x+8 D: 6x-2
*March 28, 2013 by Anonymous*