Friday

October 24, 2014

October 24, 2014

Number of results: 72,823

**Algebra 2**

-Explain the difference between log base b (mn) and ( log base b of m)(log base b of n). Are they equivalent? My answer: Let b=2, m=8, n=16 *log base b (mn)=log base b of m + log base b of n log base 2 of 8+ log base 2 of 16=7 * (log base b of m) (log base b of n)=(log base 2 ...
*July 21, 2013 by Anonymous*

**math**

A triangle has an area of 15 cm^2 and a base of 5 cm. If a circle is drawn with a diameter equal to the length of the triangle's height, what is the area of the circle ? a. 6 pi cm^2 b. 9 pi cm^2 c. 12 pi cm^2 d. 18 pi cm^2 e. 36 pi cm^2 please answer and explain
*January 5, 2014 by Thomas*

**Physics**

Three identical charges of 2.0 uC are placed at the vertices of an equilateral triangle, 0.15m on a side. Find the net force acting on each angle.
*February 22, 2012 by Brandon*

**mathematics**

The base of a pyramid is a regular hexagon consisting of six equilateral triangles with side of 30cm .Calculate the area of the base of the pyramid?
*July 23, 2013 by Gail*

**Math**

A triangle and trapezoid share a 15 inch base and a height of 10 inches. For what values of b is the area of the trapezoid less than twice the area of the triangle?
*October 3, 2011 by Jessica*

**Math**

Find the surface area of rectangular pyramids 1. Length= 1.15ft Width=0.82 ft Height of the slanted face =3.17ft Surface Area=7.1879ft^2 Formula for Rectangular Pyramid Surface Area : B+1/2pl B=area of base p=perimeter of base l=height of slanted face
*February 5, 2014 by Jerald*

**math problem**

The area A of a triangle with base b and height h is given by A = ½ bh. Find the area when b = 24m (meters) and h = 12m.
*August 22, 2008 by Ann*

**algebra **

The area A of a triangle with base b and height h is given by A=1/2bh. Find the area when b=45m(meters) and h=86m.
*May 27, 2011 by shawn*

**math**

15.a. Find x. The figure is not drawn to scale. b. Is the triangle equilateral, isosceles, or scalene? Explain. connexus. com /content/media / 461958-3292011-34843-PM-1262076942/ res00000/ ppg /examview/ S_GEOMB_06_06_06_Unit_6B_Test / sa012-1.jpg 16.The equation (x + 6)2 + (y...
*May 23, 2012 by dreamwishbelieve*

**Cosine Law**

Find all missing sides/angles. Round each answer to the nearest unit. Angles/sides ABC (left to right) 1) Angle c= 70 deg side b= 28 yd side c= 26 yd 2) Side a= 18 cm Side b= 24 cm Side c= 28 cm
*May 25, 2014 by Jane*

**algebra**

What is the width of a rectangle with a perimeter of 70 feet if its length is 1 foot? 2 feet? L.feet? perimeter = 2(length + width) If perimeter = 70 then 35= length + width Now substitute 1,2,and L and solve for width. how do you find the L. feet? L is supposed to be any ...
*September 12, 2006 by christine*

**geometry**

Triangle ABC has side lengths 7, 24, and 25. Do the side lengths form a Pythagorean triple?
*December 14, 2011 by Cindy*

**Math**

I need help... I dont need the answer just how I would figure this out. Identify the hypotenuse of the triangle by giving its letter. It is a triangle with the left and bottom lines of the triangle as a right angle. The longest line of the triangle is the top. q, p, and r q ...
*November 7, 2010 by Jewels*

**geometry**

okay i have a few question... 1.Find the equation of a line through the points (-2, -5) and (-7, -5) 2. the three lengths 4, 6, 8, form a.not a triangle b.a right triangle c.an acute triangle d an obtuse triangel
*March 25, 2008 by Hannah*

**help me please**

find the area of each triangle to the nearest tenth. in triangle YZX x=12cm z=16cm measure of angle Y= 130 degrees in trianglE XYZ z= 11in. x= 7in. y= 13in.
*December 8, 2011 by joe*

**Geometry **

A line parallel to one side of a triangle divides one of the other sides into segments of lengths 15 and 9 and divides the third side so that the longest portion is 36. How long is the shorter portion of the third side?
*April 4, 2011 by Kareem *

**math**

The perimeter of a triangle is 226 inches. The length exceeds
*June 26, 2009 by Anonymous*

**math**

How would a congruence transformation affect the perimeter of a triangle.
*October 15, 2009 by Trisha*

**Mathematics**

What is the perimeter of a triangle of length 6cm, 8cm, 10cm?
*May 5, 2011 by Amala*

**geometry**

if a right triangle has sides of 6 cm, 8cm, and 1 dm what is its perimeter in centimeters?
*January 10, 2012 by kris*

**geometry**

Two sides of a triangle measure 4 inches and 9 inches. Determine which cannot be the perimeter of the triangle. A.19 inches, B.21 inches, C.28 inches, D.26 inches
*March 28, 2011 by mel*

**physics2**

Charges are placed on an equilateral triangle (all angles are equal and equal to 60 degrees). The length of each side of the triangle is 5.7 meters. A charge of +7.1 micro-Coulombs is placed at the bottom corner of the triangle and another charge of +7.1 micro-Coulombs is ...
*January 29, 2011 by kelly*

**easy GEOMETRY!!**

1.The perimeter of parallelogram QUAD is 10 more than 5 times AU. If QU =26 cm. find AU 2.If diagonals of a rhombus are 10 cm and 24 cm. find the area and perimeter of the rhombus SOlutions pleaseeeeeee
*October 22, 2013 by keisha*

**Algebra - area**

I hope I can explain this. I can't draw the shape here, but it is a triangular prism that looks like a wedge of cheese. The height is 20 cm and the three sides are 13, 37, and 40 cm. There is also a line drawn from the corner of the two sides that are 13 and 37 cm, that makes ...
*February 27, 2013 by Sylvia*

**Geometry**

Need help finding dimensions of a triangular prism. It has a volume of 900 cubic inches. Two of the dimensions are consecutive even numbers. Two of the dimensions are multiples of 5. All the dimensions are less than 16, but greater than 6. All lengths are different. The base ...
*May 20, 2010 by Brett*

**Algebra**

A triangle has the side lengths of 5 inches 12 inches and 15 inches every demention is multiplyed by 1/5 to form a new triangle how is the ratio of the perimeters related to the ratios corresponding sides?
*October 25, 2010 by Joelseph *

**math**

Triangle ABC is an equilateral triangle with side length AB=22. Place a point D on the line segment BC. Extend BC to the point E such that BD=CE. point E is defined as lying on BD and satisfying BD=CE.What is the value of DE?
*June 16, 2013 by Anonymous*

**math**

on the right triangle, the adjacent side's top is T and the bottom is S. the hypotenuse's side equals 13. the oppisite side is equals 12. and the the point oppisite from the adjacent, is R. using this info, what is the sin. of R,the cos. of R, the sin of T, and the tan of T?
*March 21, 2011 by anonymous*

**geometry**

Jim has put a fence along the side AC of the triangular patch of land shown below. A right angle triangle ABC is shown having length of one leg equal to 6 meters. The measure of angle ABC is 90 degrees. A fence is shown on the hypotenuse of the triangle. The length of the ...
*January 6, 2012 by sunny*

**math**

.find the area of a triangle,to the nearest tenth of a square foot if its base is 4.25 feet andits altitude 6.30 feet
*September 6, 2009 by chris*

**math**

5.is 3.671 less than 3.67 yes 6.A triangle has a base of 13 feet and an altitude of 7 feet. Find its area. 45.5 7.find the best buy on cashews a.12oz for $5.39 b.1lb4oz for $7.39 c.10oz for $4.89 d.1lb for $6.39 A. 12oz for $5.39 8.8gal7qt+3gal2qt= 6gal1qt
*October 22, 2008 by deedee*

**Mathematics**

Calculate the side of the square base.if the diagonal of the base of a square prism is 8,49 cm and the height is 12 cm
*October 4, 2011 by Nomvuyiso*

**math - trig**

Suppose ABC is a right triangle with sides of lengths a, b, and c and right angle at C. Find the unknown side length using the Pythagorean Theorem and find the following trigonometric functions of the indicated angle. Given: a = 4 and b = 7 Find: sin A, cot B, sec A, tan B
*September 25, 2013 by Annika*

**maths**

Let ABC be a triangle.Draw median AD on BC.Draw median AE of triangle ABD on BD.Take a point on side AB say F and join CF. Now from D make a line parallel to CF such that the line cuts AB at G. Note- G lies between F and B. AD intersect CF and P. AE intersect GD at H. So BD=DC...
*September 2, 2013 by nami*

**Math**

Triangle ABC is similar to triangle APQ, with angle CBA equal to angle QPA and angle A common to both triangles. The lengths of sides AB, AP and PQ are 90 cm, 60 cm and 30 cm. Calculate the length of side BC.
*June 4, 2010 by Golkhadi nep*

**Calculus**

The measurements of the base and altitude of a triangle are found to be 36 and 50 centimeters, respectively. The possible error in each measurement is 0.25 centimeter. Use differentials to approximate the possible propagated error in computing the area of the triangle.
*December 16, 2013 by Lindsay*

**MATH**

there is a triangle with a base of 2.4 m and both sides are 1.7 m. it is a right triangle. what the heck is the answer? i have an answer sheet and i know the answer is 41 but how do you get that answer?
*March 4, 2010 by j*

**algebra**

Write a function rule for the area of a triangle whose base is 4 ft more than the height. What is the area of the triangle when its height is 6 ft?
*March 27, 2011 by thalia*

**algebra**

find the lenngth of each side of the rectangle so that it has the given perimeter. p= 50 in length is 2L-5 width is L is my formaula i am needing to do this 50=2L-5+2*L i am looking at the formula of P=2L+2W do i have this written right should have been 50 = 2(2L-5) + 2L
*March 29, 2007 by allen*

**geometry**

I got this problem wrong on a test and i want to know how to fix it. In triangle ABC, angle A is 20 degrees and side AC is 7.89 units, find the other sides and angles
*March 29, 2011 by peter*

**Math-geometry**

. If a spherical Triangle on Earth has an excess of 30 degrees, find the area of this spherical triangle measured in square miles. b. If a spherical triangle on the moon has an excess of 30 degrees, find the area of this spherical triangle in sqare miles. c. Find the ratio of ...
*March 9, 2013 by PLEASE HELP*

**pre calculus**

janet worked on a garden shaped like a triangle with a base that is 5 m less than twice the height. If the area of the garden is 90 m^2, how long is the base and the height?
*November 27, 2012 by abraham*

**circles**

a. To find X, you will need to add the arc measures together and set this expression equal to the total degrees of a circle and then solve for X. Must show all work. b. Here are the steps to take (show all work) 1. Plug your x-value from a into each of the arc measures to find...
*May 23, 2012 by lilman*

**Algebra**

the longer legs of a right triangle is 20 cm more than twice the length of the shorter leg. The length of the hypotenuse is 22 cm more than twice the length of the shorter leg. Find the side lengths of the triangle
*March 30, 2014 by Peter*

**geometry**

ABCD is an isosceles trapezoid with a height of 4 inches and bases of 10 and 12 inches .What is the perimeter of this trapezoid in inches and feet . HINT:Only the bottom of the entire figure is 16 inches long, not the top
*June 7, 2011 by Veronica*

**math**

what are the dimensions of the lightest rectangular box without an open top whose base is a square and whose height is two less than the length of the side of the base?
*January 18, 2010 by kelli*

**math i don't get it**

If 6 equilateral triangles are placed side by side so that only two sides of each triangle touch one of the other triangles, what shape is formed? Please explain the answer.
*December 17, 2012 by Anonymous*

**Math**

If six equilateral triangles are placed side by side so that only two sides of each triangle touch one of the other triangles what shape is formed? We are thinking circle?
*April 19, 2014 by Kelley*

**math need help please**

The area H of a triangle with base b and height h is given by H=1/2bh. Find the area when b=21m (meters) and h=38m.
*November 22, 2008 by nonna*

**geometry**

find the volume of the right prism whose base is a right triangle with legs 3 ft and 4 ft and with a height (altitude) of theprism being 8 ft
*October 24, 2011 by clarence*

**geometry**

i have a triangle and i have to find the primeter....here are the measurements...3/8...3/8..3/8 on each side. 3/8+3/8+3/8=9/8?
*September 11, 2009 by A*

**area of triangle**

the base of a triangle is 9 cm the area is 18 cm squared what is the height?
*April 9, 2013 by Wyatt*

**geometry**

In isosceles triangle ABC, AB = BC, and D is a point between A and C on AC. Can you conclude MO > ML, MN > MO, angle L > angle BDA, or angle N > angle BDC
*January 5, 2011 by Nick*

**algebra**

Find the length of a side of an equilateral triangle with altitude of length 6.
*March 2, 2010 by chica*

**Geometry**

You are presented with a right triangle. The dimension of side a is 2 inches and the dimension of side b is 4 inches. Calculate the dimension of side c. I believe it would be 4.5 inches
*October 4, 2008 by Jen*

**Algebra Homework, HELP!**

1) A rectangle has an area of 297 square inches and a width which is three inches less than four times the length. Find the length and the width of the rectangle. 2) Let x represent the length of the shorter leg in a right triangle. If the longer leg is 1 more than the ...
*October 14, 2013 by Preston*

**geometry**

Given the triangle ABC and m<A = 22º; a = 6. Find the measurement of side b if angle C is the right angle.
*June 30, 2011 by Anonymous*

**Advanced Algebra 1**

A polygon has a perimeter of 24mm. Find the new perimeter after a scale factor of 1/4 is applied?
*October 14, 2010 by Jordan*

**physics**

a vertical dock gate is 5m wide and is hinged at 1m from the base of the dock. the dock has sea water with density of 1025 kg /m^3 to a depth of 7.5 on one side and fresh water to depth of 3m on the other side a) find the resultant horizontal force b) Determine the overtunning...
*January 13, 2014 by moody*

**math**

solve: perimenter of triangle perimeter is 12 meters determine values x, x+1, and x+2 x(x+1)+(x+2)=12
*November 5, 2008 by Maddy*

**GED Math**

In the figure below, if the perimeter of triangle ABC is 48, what is the value of x?
*January 14, 2012 by Alma*

**math**

Base is 16 cm squared, Width is 2.5 cm. what is the perimeter and height
*January 13, 2013 by donna*

**math**

Find the representation of the number 256 in thefollowing bases:a. Base six b. Base twelvec. Base two
*October 15, 2010 by Anonymous*

**Algebra II**

The area of a triangle varies jointly as its base and altitude. By what percent will the area change if the base is increased by 15% and the altitude decreased by 25%?
*November 21, 2011 by Ashley*

**Math**

The area of a triangle varies jointly as its base and altitude. By what percent will the area change if the base is increased by 15% and the altitude decreased by 25%?
*November 22, 2011 by Zoey*

**Algebra II**

The area of a triangle varies jointly as its base and altitude. By what percent will the area change if the base is increased by 15% and the altitude decreased by 25%?
*November 22, 2011 by Jake*

**Algebra II**

The area of a triangle varies jointly as its base and altitude. By what percent will the area change if the base is increased by 15% and the altitude decreased by 25%?
*November 22, 2011 by Jake*

**Math**

The area of a triangle varies jointly as its base and altitude. By what percent will the area change if the base is increased by 15% and the altitude decreased by 25%?
*November 22, 2011 by Jake*

**math**

Two sides of an isosceles triangle are 13 inches and 16 inches. What are two possible perimeters ? IS one 42 ?
*December 3, 2013 by sam*

**math**

An isosceles triangle of sides 13cm, 13cm, 10cm is inscribed in a circle. What is the radius of the circle?
*March 17, 2014 by abigail*

**maths**

anyone can help me with this question plz .how u find the angle between side of hexagon which it has 6 different side and the length of each side is ,side1: 128mm, side 2:10mm, side3:112mm,side4: 82mm, side5:48mm,side6:30mm.
*October 2, 2013 by john help me with this question plz*

**calculus II**

Suppose R is the region in the plane enclosed by y = x2 and y = 4. a) Compute the perimeter P and area A of R, and then compute the ratio Q = A/P2. Note By squaring the perimeter the ratio becomes independent of the units chosen to measure the region. b) Compute this ratio Q...
*November 23, 2012 by Anonymous*

**word problem**

what are the dimensions of the lightest rectangular box without an open top whose base is a square and whose height is two less than the length of the side of the base?
*January 18, 2010 by kelli*

**calculus**

There are an infinite number of triangles that must be isosceles and have two legs that measure 10 cm, each of them has an area. what is the biggest area such a triangle could have?
*September 2, 2009 by sarah*

**Geometry**

a. If a spherical Triangle on Earth has an excess of 30 degrees, find the area of this spherical triangle measured in square miles. b. If a spherical triangle on the moon has an excess of 30 degrees, find the area of this spherical triangle in sqare miles. c. Find the ratio of...
*March 5, 2013 by PLEASE HELP*

**algebra**

what is the perimeter of a square with sides that are sqrt3 + sqrt5 on every side? what is the area? not perimeter area= (sqrt3 + sqrt5 )(sqrt3 + sqrt5 ) Multiply it out. I will be happy to critique your thinking and work.
*June 29, 2007 by kris*

**Math**

Triangle ABC has ∠A=40∘, ∠B=60∘, ∠C=80∘. Points M,N trisect the side BC and points P,Q trisect the side AC. The lines AM,AN,BP,BQ intersect at the points S,T,U,V as shown in the figure below, dividing the triangle into 9 regions. Determine ...
*June 14, 2013 by Bob*

**Mathematics**

Triangle ABC has ∠A=40∘, ∠B=60∘, ∠C=80∘. Points M,N trisect the side BC and points P,Q trisect the side AC. The lines AM,AN,BP,BQ intersect at the points S,T,U,V as shown in the figure below, dividing the triangle into 9 regions. Determine ...
*June 16, 2013 by Steve*

**Geometry**

Use any tools to construct each of the following, if possible: a. A right triangle with one acute angle measuring 75° and a leg of 5 cm on a side of the 75° angle b. A triangle with angles measuring 30°, 60°, and 90°
*August 1, 2011 by Adalgisa*

**Geometry**

The hypotenuse of a right triangle is the side opposite the? a. 90 degree angle b. smallest angle of the triangle c. acute angle d. top angle I believe it is a
*October 2, 2008 by Jen*

**math**

A triangle has vertices P(7,7), Q(-3,-5), and R(5,-3). a. calculate the lengths of the midsegmaents b. calculate the lengths of the three side of triangle PQR. c. compare your answers in a. and b. what do you notice?
*October 19, 2010 by Ted*

**math**

A triangle has vertices P(7,7), Q(-3,-5), and R(5,-3). a. calculate the lengths of the midsegmaents b. calculate the lengths of the three side of triangle PQR. c. compare your answers in a. and b. what do you notice
*October 20, 2010 by Ted*

**math**

A triangle has vertices P(7,7), Q(-3,-5), and R(5,-3). a. calculate the lengths of the midsegmaents b. calculate the lengths of the three side of triangle PQR. c. compare your answers in a. and b. what do you notice
*October 20, 2010 by Ted*

**MATH!!!**

given isosceles triangle ABC, line AB = BC, and BD is the angle bisector of isosceles triangle ABC prove AB x DC = BC x AD Aren't the two halves congruent? (SAS) If so, then DC is equal to AD. Don't the ratios AB:AD=BC:DC by corresponding parts? how do i write that out like on...
*September 6, 2006 by Annie*

**geometry**

I have triangle XYZ with BX as the bisector sides XY and XZ are congruent. I have to write a proof for angle Y being congruent to angle Z. This is what I have, but it doesn't seem correct - can anyone help? XY is congruent to XZ - Given XB bisects angle XYZ - Perpendicular ...
*December 13, 2009 by josh*

**Geometry please help me need to finish!**

The slant height of a regular pentagonal pyramid is 6 cm, and the length of each side of the base is 3 cm. Find the lateral area.
*August 18, 2011 by Nina *

**Algebra**

The sides of a square are one-third as long as the sides of an equilateral triangle. The difference between their perimeters is 20 centimeters. How long is each side of the triangle? Define your variables. Thx
*March 8, 2010 by Renee*

**maths**

Im confused can any1 help me on this question ?? or try and put me on the right track? (a) A circle has radius 2cm (in that circle there is an triangle AOB) and the chord AB has length 3cm. AO is 2cm and BO is 2cm. O is the centre of the circle. (b) consider a paper disc whose...
*September 25, 2007 by hi*

**Math**

Find the length of side a in the right triangle if b=12 and c=15 I have the length as 6 but I dont think this is correct Please help
*November 9, 2011 by Allison*

**math**

find the legth of the third side of the right triangle if a=2in and b=6in I think it is 10 but not sure if I did it right
*January 5, 2012 by Jazmyne*

**Math**

# 1 if the area of the parallelogram is 39cm2, what is its base? ____cm # 2 if the base of the triangle is 2 times its height, what is its area? ____cm need help
*March 6, 2012 by i need help!*

**math**

if possible,draw two isosceles triangle in which all the equal-length sides in both triangles are congruent, but the two triangles themselves are not similar.
*May 20, 2009 by here*

**maths**

The measures of two adjacent sides of a parallelogram are in the ratio 17:7. if the second side measures 3.5 cm, find the perimeter of the parallelogram.
*February 6, 2011 by rupa das*

**math**

a pentagon has a perimeter of 50 cm. the shortest side has a length of 3 cm. find the length of a similar pentagon if the perimter of the second penatgon is 80 cm ?
*September 25, 2013 by dustin*

**calculus**

Find the volume of the solid whose base of a solid is the region bounded bythegraphsofy=3x,y=6,andx=0. Thecross␣sections perpendicular to the x ␣ axis are rectangles of perimeter 20.
*December 16, 2010 by Ashley*

**calculus**

Find the volume of the solid whose base of a solid is the region bounded bythegraphsofy=3x,y=6,andx=0. Thecross␣sections perpendicular to the x ␣ axis are rectangles of perimeter 20.
*December 16, 2010 by Ashley*

**>_<**

The 3 sided triangle has an area of 14 in^2. Determine the lengths of the sides of the triangles.Remember that the area of a triangle is ½ bh. bottom length= x+3 side length= x
*May 20, 2012 by Anonymous*

**maths-areas **

in triangle ABC P, Q AND R ARE the mid points of side AB, BC, CA.prove that area of parallelogram APQR=( 1/2)* area of triangle[ABC]
*March 15, 2013 by anoynomous*

**trig**

Ok so I have a right triangle with the hypothenuse = to 5, one side =3 and the other =4 and X is the angle between the hypothenuse and the side that =3. I'm supposed to find the sin, cos, tan, cot, sec, csc of X. I can't seem to get the answer for the sec and csc. If sin(x)=4/...
*September 14, 2008 by Natash*

**trig**

Suppose the tangent of an acute angle in a right triangle is less than 1. How does the side opposite the angle compare to the side adjacent to the angle?
*March 5, 2011 by Naomi*

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