Wednesday

November 25, 2015
Number of results: 82,516

**calculus**

1. A solid is constructed so that it has a circular base of radius r centimeters and every plane section perpendicular to a certain diameter of the base is a square, with a side of the square being a chord of the circle. a. Find the volume of the solid. b. If the solid ...
*March 25, 2012 by Yuri*

**Math**

An isosceles triangle has an area A, an apex angle 2 theta, and a height of h. Determine an expression for theta in terms of A and h.
*May 13, 2014 by Marina *

**Math**

An isosceles triangle has an area A, an apex angle 2 theta, and a height of h. Determine an expression for theta in terms of A and h.
*May 28, 2014 by Libby *

**math**

what is the perimeter of a rectangle that measures 27 inches on one side and 56 inches on the other side?
*April 14, 2010 by emily*

**Math**

Checking my son's homework and want to see if he figured this out correctly .. i am too old to be revisiting this math ... Here is the question ... The perimeter of a rectangle patio is six times the length of the shorter side. If the shorter side is 8 feet, what is the length...
*September 18, 2007 by Mom*

**Math question**

Name the triangles that are classified by angles. right, scalene, isosceles scalene, isosceles, equilateral acute, right, obtuse obtuse, isosceles, acute
*February 14, 2014 by Anonymous*

**math**

determine the area of triangle abc when side ab= square root of x, side bc= square root of x, and side ca= the square root of the square root of x. So how do I solve it. How do I add the square root of x + the square root of x + the square root of the square root of x? what is...
*October 24, 2006 by Gina*

**Math**

emily is constructing a triangle one side is 3 inches long and another is 5 inches long which of the following is the smallest measure emily could use for the third side of the triangle is it 2 inches? 3 inches? 4 inches? or 5 inches?
*June 21, 2012 by Lisa*

**Calculus**

A baseball diamond is a square with side 90 ft. a batter hits the ball and runs toward first base with a speed of 24 ft/s. (a) At what rate is his distance from second base decreasing when he is halfway to first base? Is the answer 0.0932ft/s? I don't see that it is logical ...
*December 14, 2014 by Anonymous*

**Geometry **

A triangle is enlarged by a factor of 3. The perimeter of the new triangle is 36 feet. What could be the lengths of the sides of the original triangle? A. 3 feet, 4 feet, and 5 feet B. 1.5 feet, 1.25 foot, and 1.25 foot C. 2 feet, 0.5 feet, and 1.8 feet D. 4 feet, 4 feet, and ...
*March 2, 2014 by anon*

**Geometry**

You are building a ramp that will in the shape of a perfect right-angled triangle. the vertical height of the ramp will be 10 feet. The horizonatal base of the ramp will be 15 feet. What will be the length of the downward sloping side of the ramp? I calculated 18 feet? Is that...
*October 4, 2008 by Jen*

**analytic geometry**

the base of an isoceles triangle lies on the x-axis. The coordinates of the midpoints of the equal sides pf the triangle are (2,3) and (-2,3). What are the coordinates of the vertices of the triangles? Please help.
*October 19, 2008 by Cynthia*

**maths**

The area of a rectangular field is 96m2. The length of one side is 12m. The farmer needs to know the perimeter to find out how much fencing will be?
*December 1, 2014 by Alisha*

**geometry**

How do you find the perimeter of a second polygon given just the scale factor of both polygons and the perimeter of the larger polygon? The problem is Two similar polygons have a scale factor of 3:5. The perimeter of the large polygon is 120 feet. Find the perimeter of the ...
*February 4, 2012 by Melanie*

**math**

How do I calculate the area of a triangle? To calculate the area of a triangle, multiply the base times the height and divide by 2. http://www.mathopenref.com/trianglearea.html 1/2 of the base of the triangle times the height.
*February 28, 2007 by Jim*

**solid mensuration**

A prism measuring 5 ft tall with a triangular base whose sides measures 7 ft, 3 ft, and 9 ft. In the base, the distance from the 9 ft side to the opposite vertex is 2 ft.
*March 18, 2014 by Anonymous...*

**geometry**

m<S=30, m(arc)RS=84,and RU is tangent to the circle at R find m<U. It's a circle with a triangle inscribed, only the s and r lie on the circle and u extends past circle. can someone help i do not know or understand these problems answers 27 12 54 24 m(arcDE=123 and m(...
*May 14, 2012 by lilman*

**maths**

a pyramid has a spuare base with side length 20.a right circular cylinder has a diameter of 10 and a length of 10.the cylinder is lying on its side,completely inside the pyramid.the central axis of the cylinder lies parallel to and directly above a diagonal of the pyramids ...
*March 6, 2011 by jo*

**Calculus **

Rectangle side is represented by (2,3) and (-6,4). Find the perimeter of rectangle. Could someone please help~
*March 22, 2012 by Jake*

**mathematics**

The perimeter of a square is 17.6cm.find the length of one side of the square
*April 8, 2013 by raheim mckenzie*

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

Two angles of an isosceles triangle are 68∘ and x∘. What is the sum of all the (distinct) possible values of x?
*April 24, 2013 by robert*

**geometry**

If the base of a triangle is represented by x + 4 and the height is represented by 2x, which expression represents the area of the triangle? 1.(x + 4) + (2x) 2.(x + 4)(2x) 3. 4.(x + 4)(2x)
*February 13, 2012 by Anonymous*

**algebra 1**

The length of a rectangle is twice the width. The perimeter is 42cm. find the length of each side.
*September 8, 2011 by Anonymous*

**maths**

the diagonals of a rhombus are 24 meter and 18 meter find the area,length of a side and perimeter?
*May 21, 2012 by jennie cribzon*

**Math**

The four bases of a baseball diamond form a square 90 feet on a side. The shortstop,S, is in a position that is 50 feet from second bases and forms a 15 degree angle with the base path as shown. Find the distance between the shortstop and first base to the nearest foot
*April 11, 2010 by Joline*

**math**

A triangle has a base of 7 ft. and an altitude of 15 ft. Find its area to the nearest tenth. Choose the best answer from the options below: A 52.5 ft² B 53.5 ft² C 54.5 ft² D 55.5 ft²
*May 21, 2011 by makeeda*

**Geometry**

Find the area of the composite figure(right triangle), where the hypotenuse is 13m, base is 12m and the height is not given?
*March 13, 2014 by D*

**Physics**

three identical 2*`0^-5C point charges are placed a the corners of an equilateral triangle pf sodes 1m. The triangle has one apex C pointing up the page and 2 base angles A and B. Deduce the magnitude and direction of the force acting at A thanks!
*February 25, 2009 by Anonymous*

**math**

A right triangle has one leg four times as long as the other. Find a function that models its perimeter P in terms of the length x of the shorter leg.
*October 5, 2012 by monic*

**geometry and combinatorics**

An equilateral triangle with side length 33 is divided into 33^2 smaller unit equilateral triangles each with side 1, forming a triangular lattice. We color each segment of length 1 either Red, Blue or Green, subject to the condition that each small unit equilateral triangle ...
*April 30, 2013 by sanji*

**Math**

The ratio of corresponding sides of two similar triangles is 2:7. The sides of the smaller triangle are 16 centimeters, 22 centimeters and 28 centimeters long. What is the perimeter of the larger triangle?
*December 4, 2014 by Avis*

**geometry**

An army base is enclosed by a wire fence so that it forms a circular compound. The entrance to the base is located at X(3, 6) and the exit is at Y(9, 14). X and Y are end points of a diameter of the circle. A search tower is positioned at Z(2, 13) on the circumference of the ...
*July 11, 2012 by Manda*

**math perimeter**

susans garden fence goes around the entire garden.the fence is a quadrilateral.all of the sides are equal in lenth.one side measures 15 cm. what is the perimeter of the garden
*December 6, 2012 by kim*

**Geometry**

I have a 45-45 special right triangle who's hypotenuse is 12, how do I find the other two side lengths?
*June 30, 2010 by Ana*

**math**

Find the area of an equilateral triangle (regular 3-gon) with the given measurement. 6-inch side. A = sq. in.
*February 1, 2011 by ben*

**Geometry**

Find the length of the side A’B’ for the congruent triangle. C = 28 degrees A = 14 Must show work with answer.
*February 20, 2014 by Boo*

**algebra**

the lengths of two sides of a right triangle are given. find the length of the third side. a=9,c=41
*December 16, 2014 by brandon*

**math/ geometry.**

the vertex angle of an isoceles triangle is 120. the base length is 18. what is the length of the altitude to the base in simplest form
*March 19, 2011 by Juleana*

**for reiny**

2. aren't your x and y intercepts the base and height of your triangle?? take area = 1/2 base*height = ..... = c which is the constant of the original equation!!! for this, you get 2c?
*October 17, 2007 by Matt*

**Math (Proportions)**

3. The ratio of the altitude of a triangle to the length of its base is 5:12. Calculate the altitude if the length of the base is 42mm. 17.5 length/base= 5/12=x/42= 17.5
*October 18, 2013 by Jerald*

**Geometry**

In a 30,60,90 triangle 1: If b=12, find c 2: If b=3,find a Letter a is on the 90° side, b is on the bottom near 60° and c is near 30°. Could anyone explain how to do this? It's hard to understand from my textbook.
*May 19, 2015 by Andrea*

**math**

you are building a ramp that will be in the same shape of a perfect right angled triangle. the vertical height of the 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? A 18feet B 19feet C ...
*October 28, 2008 by isabel*

**Math help **

I am so lost I have a problem. Two congruet figures. First trapezoid: 1 side b is 10 1 short base prarallel 6 Angle D 86 degrees Angle C 41 degrees Angle B ? Angle A ? Other angle J is 133 degrees Angle M ? Angle K ? Side d leg 17 Angle L ? long Base parallel 16 I know this ...
*April 16, 2013 by Corey*

**Math**

Find X 27^4x-2=243^3x+6 Please explain how to do it. Thanks 27^(4x-2)=243^(3x+6) Notice that 27 and 243 are both multiples of 3 Changing them.. (3^4)^(4x-2)=(3^6)^(3x+6) 3^4(4x-2)= 3^6(3x+6) taking the log base 3 of each side. (4x-2)= (3x+6) and solve for x. That doesn't work ...
*November 28, 2006 by K*

**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 ...
*June 11, 2014 by Jerry*

**calculus**

show that the area(A) of an isosceles triangle, whose equal sides are of length s and angle between them is theta, is A=1/2s^2sin theta
*November 16, 2008 by meeh*

**8th grade geometry**

segment AC is congruent to segment AD by the ______ of the Isosceles Triangle Theorem. (8 letters, 5th=E, 7th=S) Please help!
*December 2, 2008 by girl*

**Integral calculus**

The length of each leg of an isosceles right triangle is increase at the rate of 2 mm/s. How fast is the hypotenuse increasing at the moment when each leg is 10 mm?
*July 25, 2015 by paula*

**calculus**

The hypotenuse of a right triangle has one end at the origin and one end on the curve y = (x^4)(e^-7x), with x > 0. One of the other two sides is on the x-axis, the other side is parallel to the y-axis. Find the maximum area of such a triangle.
*November 1, 2011 by Emily*

**calculus**

The hypotenuse of a right triangle has one end at the origin and one end on the curve y = (x^4)(e^-7x), with x > 0. One of the other two sides is on the x-axis, the other side is parallel to the y-axis. Find the maximum area of such a triangle.
*November 1, 2011 by Emily*

**geometry**

Can anyone help me to solve this, please? 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 ...
*August 23, 2011 by scott*

**maths**

Alan is using matchsticks to make isosceles triangles. Isosceles triangles have at least two sides the same length.How many different single isosceles triangles can he make with 45 matchsticks, using all the matchsticks each time? The answer is 11, but I can only work out 7, ...
*November 6, 2013 by LARA*

**math**

Multiple Choice 1. Write the following ratio in simplest form: 32 min : 36 min (1 point) 8 : 9 8 : 36 32 : 9 128 : 144 2. In a sports equipment locker, there are 81 balls and 45 baseball mitts. Write the ratio of balls to baseball mitts in simplest form. (1 point) 9 : 5 10 : ...
*December 5, 2012 by Sammy, !!!Please Answer!! *

**Pre-Calculus**

Composition of Functions f o g(x)=f(g(x)) --> I know that this is eqivalent to f(g(x)) Given f(x) = 2x+1, and g(X) = 3x+1 find:f o g(x)=f(g(x)) This is what I did, but I don't think Ive solved it correctly f(g(x)) = f(x-3) f(x-3) = 1(x-3)-3x+2 =x-3-3x+2 f(g(x)) = -2x-1 The ...
*September 27, 2012 by Shreya*

**geometry**

If the area of a triangle is 64cm^2 the base is h+8 what is the height? what is the base? I think it is B=64 H=56 but I don't think thats right. Could someone help me?
*January 8, 2010 by Sam*

**algebra**

the base of a triangle is 5cm greater than the height. The area is 33cm^2. What is the height and the length of the base?
*July 23, 2010 by Armelia*

**Math**

1. What is the value of z so that -9 and 9 are both solutions of x^2+z=103? a) -22 b) 3 c) 22 d) 184 2. What is the value of b in the triangle below? The triangle has one side that is 3b and another that is just b. The area of the triangle is 24in.^2. a) -4 in b) 4 in c) no ...
*March 16, 2015 by Tia*

**Math**

1. What is the value of z so that -9 and 9 are both solutions of x^2+z=103? a) -22 b) 3 c) 22 d) 184 2. What is the value of b in the triangle below? The triangle has one side that is 3b and another that is just b. The area of the triangle is 24in.^2. a) -4 in b) 4 in c) no ...
*March 16, 2015 by Tia*

**Math help, anyone?**

11. Name the triangles that are classified by sides. right, scalene, isosceles scalene, isosceles, equilateral acute, right, obtuse obtuse, isosceles, acute
*March 6, 2014 by anonymous*

**math**

one last question: find the perimeter of the actual object using the scale factor shown on hte blueprint. each side is 3 centimeters long. 1cm=5m
*February 14, 2013 by Taylor*

**Math**

Find the perimeter of the triangle with vertices at A (0, 0), B (-4, -3) and C (-5, 0). If it is not possible, write “not possible” and explain why it is not possible.
*June 23, 2011 by Adrian*

**MATH Algebra**

find the polynomial for the perimeter and for the area x+6 is listed on top a x is listed on left side of a rectangle
*September 12, 2009 by Anonymous*

**Algebra**

Suppose that the area of a square is forty-one times its perimeter. Find the length of a side of the square.
*September 11, 2010 by Anonymous*

**College Algebra**

suppose that the area of a square is six times its perimeter. find the length of a side of the square
*September 12, 2010 by Jason*

**Geometry **

How do I find the area of a trapazoid with side lenghts 6 & 7, bottom 17 and top 10. I know the perimeter is 40. Now I need the area.
*May 22, 2011 by Mary *

**math**

How to find the area of a regular hexagon with a perimeter of 78 inches and a perpendicular distance of 11 inches from side to center
*November 4, 2014 by mary*

**Geometry question**

In isosceles ABC, B is the vertex. The measure of angle B can be represented as (8x+2). The measure of angle A can be represented as (9x-2). Find the measure of all three angles of the triangle. Be sure to name the angle with it’s measurement (ex: angle A= ).
*August 23, 2007 by Jim*

**chem**

For the following reactions, name the Bronsted-Lowry acids and bases. Then name the conjugate acid and bases. H3O+(aq) + CN-(aq) <==> HCN(aq) + H2O I'm really confused on this whole concept even thought it's not really difficult. I said: acids: H3O+ bases: CN- conjugate ...
*April 27, 2007 by Chris*

**Math**

The entrance hall to the Louvre Museum in Paris is a glass and metal pyramid with a surface area of approximately 1980 square on each side . The base of the pyramid is a square that is 35.4 meters on each side. What is the slant height of the pyramid ? Round to the nearest ...
*April 2, 2014 by Bob*

**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*

**Trigonometry**

Two sides of a right triangle are 8, 15 and 17 units. if each side is doubled, how many sqare units will the area of the new triangle be?
*September 8, 2012 by Roy*

**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*

**Math**

I am to find the area of an equilateral triangle whose side is 5... I know I need to find the highth before I find the area, but I end up with a hight of the square root of 31.25, is this right? if so how do I continue and solve for the area with this kind of number?
*December 18, 2009 by Punkie*

**Math**

I am to find the area of an equilateral triangle whose side is 5... I know I need to find the highth before I find the area, but I end up with a hight of the square root of 31.25, is this right? if so how do I continue and solve for the area with this kind of number?
*December 18, 2009 by Punkie*

**geometry**

Macy wants to jog around Triangle Park. On a scale map, the park has a perimeter of 11 inches. The scale of the map is 1 inch : 100 yards. What is the perimeter of the actual park?
*February 28, 2012 by crystal *

**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**

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*

**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*

**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*

**Geometry**

Problem : Howm do you find the area of a circle circumscribed about a regular pentagon with a perimeter of 50 inches. So far I each side of pentagon is 10. How do I find the radius of the circle? Is this the correct direction to go?
*April 10, 2011 by mary*

**geometry**

If a triangle has angle measures 15, 120 and 45, and the length of the side between the 15 and 120 angles is 8, what is the area of the triangle?
*February 10, 2011 by Linda*

**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 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*

**math**

the area of a triangle is 90 square meters and the height is 12 meters. What is the base of the triangle?
*March 7, 2011 by Bluestarr*

**Math**

Find the missing measurement for each triangle. 1. A= 16 in squared, b= 8 in., h=? My answer 4 in. 2. A= 20 m squared, b=___, h = 4 m. My answer b=10. 3. A=____, b=6.4ft. h=7.6ft My answer A=24.32ft square. 4. A=14 cm squared, b=2cm, h=___ My answer 14cm. 5. A=36mi square, b=...
*April 10, 2014 by Khrys*

**trig**

Find all solutions to the following triangle. (Round your answers to one decimal place. If either triangle is not possible, enter NONE in each corresponding answer blank.) A = 115.2¡ã, a = 43.6 cm, b = 23.1 cm First triangle (assume B ¡Ü 90¡ã): B = ¡ã C = ¡ã c = cm Second ...
*November 16, 2012 by janice*

**Right triangle (tri)**

ladder 13 feet long . if she set the base of the ladder on the level ground 5 feet from the side of a houes, how many feet above the ground will the top of the ladder be when it rest against the house?
*December 17, 2009 by pat*

**Right triangle (tri)**

ladder 13 feet long . if she set the base of the ladder on the level ground 5 feet from the side of a houes, how many feet above the ground will the top of the ladder be when it rest against the house?
*December 17, 2009 by pat*

**geometry**

An isosceles right triangle has a hypotenuse of 8 units. What is the length, in units, of one the legs? Round your answer to the nearest hundredth if necessary.
*January 6, 2011 by danielle*

**geometry**

the measure of an exterior angle of an isosceles triangle is x. what are the possible angel measures of the trianglein terms of z? describe all the possible values of x.
*November 6, 2011 by Anonymous*

**Isoceles Angle Bisector**

Triangle ABC is isosceles with AB=AC. D is a point on BC such that AD bisects ∠BAC. What is the measure of ∠ADB (in degrees)?
*April 19, 2013 by HELP ME...uRGENT!...PLEASE*

**Geometry**

Which of the following can be used to describe the triangle with the vertices listed below? F(-1, 1), G(-8, 1), H(-9, -10) I. acute II. obtuse III. right IV. scalene V. isosceles VI. equilateral -----Please show me how you got the answer
*March 25, 2012 by monique*

**Math**

Find the volume of a regular square pyramid that is 8 m high and has the length of the side of the base as 9 m
*April 29, 2015 by Tim*

**obamoruf math**

find the permeter of a parallelogram whose base is 6cm and side 5cm
*July 10, 2015 by sarah*

**algebra 1**

express the area of each triangle as a monomial. 10. height-2n^2 base- 5n^3 11. height- 4ab^5 base- 3a^4b
*February 5, 2008 by Caroline*

**algebra 2**

ok supposed the base of a triangle is 5 cm greater than the height the area is 52 cm what is the height and length at the base?
*June 13, 2010 by me*

**Math**

The base of a triangle is 8cm greater than the height . The area is 24cm^2. The height is what and the base is what?
*November 1, 2013 by Pam*

**Math**

An equilateral triangle is inscribed in a circle. If the radius of the circle is 10 cm, calculate the length of a side of the triangle. Answer to nearest whole centimetre
*November 16, 2014 by Anonymous*

** algebra 1**

Evan is making a table that will be created in the shape of the figure below. The table top is a triangle attached to a rectangle. To purchase the right amount of paint, he needs to know the area of the table top. He can only spend $10 on paint, which is enough to cover 150 ...
*July 1, 2014 by monica*

**geometry**

The sides of an acute triangle are x, 35, and 37, where x is the shortest side. Find the range of possible values for x and express it as an inequality
*November 14, 2011 by alisa*