Sunday

December 21, 2014

December 21, 2014

Number of results: 52,646

**Math**

two sides of a triangle are 6 and 8 cm. find the range within which the length of the third side of the triangle should lie.
*February 3, 2011 by Nia*

**math**

Triangle XYZ has vertices X(-5,3), and Z(7,-6). Find the coordinates of vertex X after the triangle is dialated using a scale factor of 4
*December 28, 2012 by marie*

**geometry!!!**

Write the ratios for sin A and cos A. The triangle is not drawn to scale. *right triangle. 14 on the side. 50 on the slant. and 48 on the bottom.
*February 20, 2013 by Anonymous*

**physics**

In a certain right triangle, the two sides that are perpendicular to each other are 3.80 m and 8.10 m long. What is the length of the third side of the triangle?
*January 24, 2014 by leslie*

**10**

Legs ( sides other than the hypotenuse) of a right triangle are of lengths 12 and 6 cm. Find the side of the largest square that can be inscribed in the triangle.?
*June 4, 2014 by ritu*

**Math**

Show that a triangle with sides 3,4,5 inches long is a right triangle. Find the measure of the larger acute angle
*September 22, 2014 by Anonymous*

**Pre algebra**

The width of a triangle is x-3 and the length is 2x-1. Write and solve an equation to find the perimeter and area of the rectangle if the measures of its length and width are in a 1:3 proportion
*May 25, 2011 by Ashley*

**math**

find the perimeter and area of a right triangle if 1 leg measures 10 ft. and the other leg measures 24ft. show all work please.
*July 3, 2011 by jenna*

**math**

The area of a triangle whose legs are in the ratio of 2:3 is 48. The length of the hypotenuse is a. square root 13 b. 8 c. 2 square root 52 d. 12 e. 208 please answer and explain
*April 23, 2014 by thomas*

**Geometry**

is triangle XYZ with vertices X(-3,1), Y(2.4), Z(2.-5) a scalene triangle?
*January 24, 2008 by Swassy*

**geometry**

is triangle DEF with verticies D(-3,-4), E(2.-5), F(0,1) a right triangle?
*January 24, 2008 by Swassy*

**math**

a median of a triangle connects what points of the triangle?
*May 20, 2009 by help*

**algebra 2**

Solve the triangle triangle EFG <G=90 degrees e=3 f=8
*May 5, 2010 by Tristan*

**geometry**

Prove a triangle is an isosceles triangle ith P(2,3) A(5,7) and T1,4)
*April 9, 2011 by neil*

**math**

triangle abc is congruent to triangle wxy
*May 5, 2011 by jarrod*

**Math**

In Triangle ABC, AC = BC and mC = 62°. The longest side of the triangle is: AC BC AB AM
*January 16, 2012 by Trisha*

**math**

In Triangle ABC, AC = BC and mC = 62°. The longest side of the triangle is: AC BC AB AM
*January 16, 2012 by Trisha*

**maths**

The triangle has vertices A(0,1),B(1,6) and C(5,2).Prove that the triangle is isosceles.
*February 27, 2012 by mulinda*

**math**

the measures of the angles of a triangle are represented by 2x+30, 5x+10 and 7x the triangle is
*January 11, 2013 by dana*

**geometry**

A triangle has side lengths of 6, 8, and 9. What type of triangle is it?
*March 18, 2013 by mayra*

**math**

The sides of the triangle are on the of x+y+6=0, x+2y-4=0, 3x+y+2=0. Find the vertices of the triangle
*June 25, 2014 by tsunayoshi*

**math**

The sides a,b,c of a triangle are such that a^2+b^2+c^2=ab+bc+ca.What type of triangle is it?
*September 27, 2014 by Nitumoni*

**math **

The longer leg of a right triangle is 3 more than the shorter leg. The Hypotenuse is 6 more than the shorter leg. If the perimeter of the triangle is 36, find the length of each side of the right triangle. [ Only an algebraic solution will be accepted ] not just the answer , ...
*July 30, 2013 by vincent*

**maths**

For all positive integers n, let f3(n) be the representation of n in base 3, considered as a number in base 10. For example, since 5 in base 3 is 123, so f3(5)=12. What is the sum of all positive integers n such that f3(n)=8⋅n?
*May 6, 2013 by hemant*

**Navigation**

Solution to yesterdays problem I think! I am just beginning to study navigation & on top of that do not have a clue about how things should be expressed mathematically and on top of that have difficulty typing formulas on the computer - they are obviously not designed to do ...
*January 16, 2008 by mike*

**math**

what is the lateral surface area of a right hexagonal prism whose base is a regular hexagon with sides measuring 8 incheslong and altitude measuring 6 inches tall
*March 27, 2012 by mary*

**math**

Find the lateral and surface area of the regular square pyramid. Give exact answers. The length is 6 m and the height is 5 m. I need help.
*November 11, 2007 by keisha*

**math**

what is the area of the largest rectangle formed when a plane intersects a right circular cylinder with a diameter of 12cm and a height of 15cm?
*December 14, 2007 by billy*

**Math**

Find the surface area of the solid represented by each net. 2 circles with attached to a rectangle who's height is 84 cm length is 86.8 cm and circle diameter is 26.6 cm
*May 13, 2008 by Sid*

**math**

how to find surface area for a triangular pyramid? with the length of 6 and 7cm with a missing third side and the slant height of 12cm
*December 6, 2010 by Anonymous*

**ALPHA OMEGA MATH GRADE 8**

TO FIND THE TOTAL AREA OF A RECTANGULAR SOLID CARTON. LENGTH: 4 1/2 FT HEIGHT: 2 FT WIDTH: 3FT
*May 14, 2011 by YAW*

**math **

how do you figure out the length, width and height of a box with a volume of 570 cm3 and a surface area of 478 cm2.
*May 15, 2011 by Paige*

**math **

how do you figure out the length, width and height of a box with a volume of 570 cm3 and a surface area of 478 cm2.
*May 15, 2011 by Paige*

**math**

find the total external surface area of a cylinder open at the top having a radius of 21cm and height 120cm
*October 18, 2011 by swendy*

**math**

find the whole-number possibilities for the lengths of the bases of a trapezoid with a height of 1m and an area of 3m squared. Explain how you found your answer
*February 15, 2012 by jackie*

**math**

fill in the missing vvalues for a retangular prism. length__________? width 7 height 5 surface area 358 volume __________? sa = 2(lw) + 2(lh) + 2(wh)
*March 28, 2012 by paul*

**Math**

A conical paper cup is to have a height of 3 inches. Find the radius r of the cone that will result in a surface area of 6ðin^2.
*September 24, 2014 by Kyle*

**algebra**

an arrow is shot into the air with an initial velocity of 96 feet per second. the height in feet of the arrow t seconds after it was shot into the air is given by the function h(x)=-16t^2+96t. find the maximum height of the arrow. what is the answer
*June 14, 2011 by Anonymous*

**geometery**

Samantha has a dog that loves to chase flying disks. To keep her disk sperate form other disks, Samantha painted a triangle on it, with one point of the triangle in the center of the disk. As she throws the disk for the dog, what two transformations does the triangle undergo? ...
*February 21, 2008 by alexis*

**geometry**

Samantha has a dog that loves to chase flying disks. To keep her disk sperate form other disks, Samantha painted a triangle on it, with one point of the triangle in the center of the disk. As she throws the disk for the dog, what two transformations does the triangle undergo? ...
*February 21, 2008 by alexis*

**MAths**

What is the sum of all numbers that occur an odd number of times in rows 0 through 11 of Pascal's triangle? Details and assumptions The 0th row of the Pascal triangle is the vertex, which is 1. You only sum the number once, regardless of the number of times it appears in the ...
*April 23, 2013 by OIan*

**intermediate algebra**

Essay.Show work.The area of a rectangular swimming pool is given by 3x^2+11x+6ft^2.One side lenght of the pool is given by 3x+2ft.What is the algebraic expression for the other side of the pool.Simplify,an include correct units as part of your answer
*April 12, 2012 by Lueshelle*

**Math**

Can someone correct this for me. Find the temperature in degrees Celsius given a temperature 75 Farenheit using the formula c=5/9(f-32): C=5/9(75-32) c=5/9(43) c=25.8 Degrees If i'm wrong please let me know how to do it.I 'll appreciated any help possible. Can someone correct ...
*October 19, 2006 by Jasmine07202006*

**Calculus**

A construction company wants to build a rectangular enclosure with an area of 1000 square feet by fencing in three sides and using its office building as the fourth side. Your objective as supervising engineer is to design the enclosure so that it uses the least amount of ...
*August 9, 2011 by Joey*

**College Algebra**

Annual profit in thousands of dollars is given by the function, P(x) = -.1x^2 + 50x - 300, where x is the number of items sold , x >= 0. 1.describe the meaning of the number -.1 in the formula. 2.describe the meaning of the number -300 in the formula. 3.find the profit for ...
*April 9, 2012 by John*

**physics**

The small mass m sliding without friction along a looped track is to remain on the track at all times, even at the very top of the loop of radius r. a) In terms of the given quantities, determine the minimum release height h b) If the actual release height is 5h, calculate the...
*November 24, 2012 by Emma *

**math**

the dimensions of a rectangular prism are height 7 feet, width 4 feet and length 3 feet find the surface area part 2: dimensions of the cylinder are height 7 feet and radius 3.5 feet solve with a decimal then round to the nearest half foot. part 3 you have 1 gallon of paint ...
*November 27, 2010 by kim*

**algebra**

How do I do this? You are building a corner cabinet, the walls intersect at a right angle. What is the perimeter of the cabinet if the height is 30 inches, the hypotneuse is 42 inches, and the base is unknown?
*December 6, 2007 by Tabby*

**algebra**

Construction. An A-frame cabin has a triangular front with a base of 30 ft and a height of 20 ft. If the front is to be glass that costs $3 per square foot, what will the glass cost?
*October 8, 2008 by Anonymous*

**algebra**

Construction. An A-frame cabin has a triangular front with a base of 30 ft and a height of 20 ft. If the front is to be glass that costs $3 per square foot, what will the glass cost?
*October 8, 2008 by terry*

**Math**

38. Construction. An A-frame cabin has a triangular front with a base of 30 ft and a height of 20 ft. If the front is to be glass that costs $3 per square foot, what will the glass cost?
*November 26, 2008 by A.W.*

**math**

An A-frame cabin has a triangular front with a base of 30 ft and a height of 20 ft. If the front is to be glass that costs $3 per square foot, what will the glass cost? $1,800?
*September 16, 2009 by A*

**Math**

A farmer decides to enclose a rectangular garden, using the side of a barn as one side of the rectangle. What is the maximum area that the farmer can enclose with 80ft of fence? 800 sq ft? What should the dimensions of the garden be to give this area? 40ft is given so I ...
*February 18, 2008 by Marysvoice*

**3rd grade**

use the grid. draw two different figures that each have a perimeter of 14. find each area. question 2. draw a figure with the given perimeter of 10 units and 22 units. question 3. explain why it would be important to know the area of a room that new furniyure will be going into.
*March 9, 2010 by Kainalu Mauga*

**math**

Mariano is standing at the top of a hill when he kicks a soccer ball into the air. The height of the hill is h feet, and the ball is kicked with an initial velocity of v feet per second. The height of the ball above the bottom of the hill after t seconds is given by the ...
*September 10, 2014 by rainy*

**Math**

Concrete forming tubes are used as molds for cylindrical concrete supports. The volume V of a tube is the product of its length l and the area A of its circular base. You can make 2/3 ft^3 of cement per bag. Write a rule to find the number of bags of cement needed to fill a ...
*November 17, 2013 by Anonymous*

**Algebra**

Concrete forming tubes are used as molds for cylindrical concrete supports. The volume V of a tube is the product of its length l and the area A of its circular base. You can make 2/3 ft^3 of cement per bag. Write a rule to find the number of bags of cement needed to fill a ...
*November 17, 2013 by Anonymous*

**English**

1. In an hour, we arrived at the base. 2. After an hour, we arrived at the base. 3. In an hour, we will arrive at the base. 4. After an hour, we will arrive at the base. (Which preposition do we have to use? Which ones are correct?)
*June 9, 2012 by rfvv*

**algebra**

the second side of a triangle is 6 inches longer than the first side. the third side is 2 inches shorter than the double the first side. the total perimeter of the triangle is 24 inches. find the lengths of all three sides of the triangle
*October 22, 2014 by tony*

**geometry**

Find the area of the following figure given that AC = 15 in and BC = 12 in.
*February 25, 2011 by Anonymous*

**Geometry**

Find the area of this quadrilateral with the given vertices: A(-8,6) B(-5,8) C(-2,6) D(-5,0)
*March 30, 2011 by shannon*

**Geometry**

Find the area of this quadrilateral with the given vertices: A(-8,6) B(-5,8) C(-2,6) D(-5,0)
*March 31, 2011 by shannon*

**Geometry**

Find the area of this quadrilateral with the given vertices: A(-8,6) B(-5,8) C(-2,6) D(-5,0)
*March 31, 2011 by shannon*

**algebra**

Given: Perimeter= 20 in Area= 15 sq. in Find hypotenuse= ?
*November 17, 2014 by ferdinand*

**Mata**

Te slope of the roof is 2/3. If the width of the house is 78 feet,what is the height of the roof, in feet? Assume the roof creates an isósceles triangle
*March 2, 2014 by Anonymous*

**Physics**

From the window of a building, a ball is tossed from a height y0 above the ground with an initial velocity of 9.40 m/s and angle of 23.0° below the horizontal. It strikes the ground 6.00 s later. Initial velocity components: vx = 8.65 m/s vy = -3.67 m/s (c) Find the equations ...
*September 15, 2013 by <3*

**college physics**

From what maximum height can a 61 kg person jump without breaking the lower leg bone of either leg? Ignore air resistance and assume the CM of the person moves a distance of 0.65 m from the standing to the seated position (that is, in breaking the fall). Assume the breaking ...
*March 14, 2010 by Anonymous*

**geometry**

A plane is heading west at 200 mph. The wind is blowing S30°W at 25 mph. 1. What is the ground speed of the plane? 2. When you solve the triangle, what is the smallest angle? 3. What is the largest angle of the triangle? 4. What is the remaining angle? 5. What is the bearing ...
*December 6, 2011 by Cam*

**trig problem**

Hi, A fountain in a shopping centre has a single jet of water. The height of the jet of water varies according to a sinusoidal function. A student notes that, in exactly one minute, the jet goes from a minimum height of 2m to a maximum height of 6m and back to 2m. At 13:00, ...
*April 28, 2012 by Anonymous*

**physics 12**

im stuck i have no clue where to start, please help me i just know the givens and some claculations. question: kevin stands on he top of a buiulding and he throws an aboject up into the air at a velocity of 16.0m/s at an angle of 25 degrees to the horizontal. if the building ...
*August 8, 2010 by priya*

**algebra**

y= -x^2-12x+28 A painter can use the formula A=2/3bh to estimate the area of space under the parabola. Calculate area in square ft under each arch ~ if there are 8 arches to be painted how many square ft must be painted ~ if 1 gallon paints 200 square ft , how many gallons ...
*March 31, 2013 by nancy*

**math**

A banner in the shape of an isosceles triangle has a base that is 2 inches shorter than either of the equal sides. If the perimeter of the banner is 34 inches, then what is the length of the equal sides?
*March 29, 2011 by Anonymous*

**Algebra/still clueless**

The length of a triangle is twice the width. The area is 2yd^2. Please, find length and width and simplify. Should I convert the yards? :-)
*April 29, 2012 by ShelbyA*

**Multivariable Calculus**

A pentagon is formed by placing an isosceles triangle on a rectange. If the pentagon has fixed perimeter P, find the lengths of the sides of the pentagon that maximize the area of the pentagon.
*November 20, 2012 by Shayna*

**Math**

Cutting a circle into equal sections of a small central angle to find the area of a circle by using the formula A=pi*r*r
*October 22, 2012 by Shubhi*

**Math**

How long is a rectangle field with a width of 3/5 mile and an area if 21/50 square mile? Use the formula A=lw to find the missing length.
*November 11, 2014 by Amy*

**college algebra**

The area of a rectangular swimming pool is given by 4x^2+19x+12ft^2.One side length of the pool is given by 4x + 3 feet. What is an algebraic expression for the other side length of the pool?
*November 11, 2011 by bridgerunner*

**calculus**

A population of a very rare insect in an area in a discrete rural region in ASEAN will grow at a rate that is proportional to their current population. In the absence of any outside factors, the population will triple in two weeks’ time. On any given day there is a net ...
*April 13, 2014 by ezul*

**Math **

A ball is tossed straight upward with an initial velocity of 80 ft per second from a rooftop that is 12 feet above ground level . The height of the ball in feet at time t seconds is given by h(t)= -16t^2 +80t+12 find maximum height above ground level the ball reaches
*February 10, 2013 by Kiley *

**Math plz help me!!! URGENT!!**

Find the volume of a cone with a radius of 10 mm and a height of 6 mm. 628 mm3 600 mm3 1,884 mm3 1,254 mm3*** Find the lateral area of a cone with a radius of 7 ft. and a slant height of 13 ft. Use 3.14 for π and round to the nearest whole number. 439 ft2 324 ft2 572 ft2 ...
*March 16, 2014 by anonymous*

**CHEMISTRY**

Given that the structures of cocaine (on the right side of the equation) and its free base ( on the left side) with an H+ : a. Would you expect K for the cocaine to be greater or less than 1.0? Explain. b. Would K for the free base be higher or lower than for cocaine? Explain...
*April 13, 2014 by Amber*

**Chemistry**

Given that the structures of cocaine (on the right side of the equation) and its free base ( on the left side) with an H+ : a. Would you expect K for the cocaine to be greater or less than 1.0? Explain. b. Would K for the free base be higher or lower than for cocaine? Explain...
*April 13, 2014 by Amber*

**math**

The area of a rectangular swimming pool is given by 3x^2+11x+6 ft^2.One side length of the pool is given by 3x+2 feet. what is an algebriac expression for the other side length of the pool? simplify and include correct units
*February 6, 2011 by janice*

**math**

Herman is making a small triangular table. If two of the sides will measure about 25 inches each, how many inches should the longest side (c) measure? Use the appropriate formula and round your answer to the nearest tenth. I don't know how to do this cuz it doesn't tell me if...
*November 16, 2010 by Andrew*

**geometry**

A. Derive the distance formula (d) shown below for points A = (x1, y1) and B = (x2, y2). 2 2 1 2 2 1 d = (x − x ) + ( y − y ) Note: Look for an application of the Pythagorean theorem where the red line, segment AB, is the hypotenuse of a right triangle. You can ...
*March 25, 2013 by denise*

**Math**

An object is dropped from a hot-air balloon 1296 feet above the ground. The height of the object is given by h=-16(t-9)(t+9) where the height h is measured in feet, and the time t is measured in seconds. After how many seconds will the object hit the ground?
*November 28, 2010 by Jay*

**algebra**

does log base of 4 sqrt(t/s)=1/2log base of 4 t - 1/2log base of 4s? sqrt=square root thanks yes yah thanks!
*April 21, 2007 by Fiona*

**Math Calc**

Given a right triangle ABC with a=13 and b=26, find the value of angle A, angle B, and side length c. Round to the nearest thousandth.
*November 2, 2014 by Johnny*

**Physical Education **

(a) Calculate the average blood velocity in the major arties given that the aorta has a radius of 1.0 cm, the blood velocity is 30 cm/s in the aorta, and the total cross-sectional area of the major arties is 20 cm2 (b) What is the total flow rate? (c) On the assumption that ...
*May 13, 2013 by Janaiby*

**Algebra I**

The area of a rectangular swimming pool is given by 5x^2-31x-28ft^2. One side length of the pool is given by 5x + 4 feet. What is an algebraic expression for the other side length of the pool?
*May 29, 2011 by Terri*

**algebra**

The area of a rectangular swimming pool is given by 4x^2+19x+12ft^2.One side length of the pool is given by 4x + 3 feet. What is an algebraic expression for the other side length of the pool?
*November 11, 2011 by bridgerunner*

**calculus**

Q#1: From a point of O, two cars leave at the same time. One car travels west and after ‘t’ sec, its position is x=t2+t ft. the other car travels north and it covers y= t2+3t ft in ‘t’ sec. At what rate is the distance between the two cars changing after 5 sec? Question#2: ...
*October 19, 2010 by awesome*

**maths**

Two spheres of radius 6 cm and 4cm are inscribed in a right circular cone.The bigger sphere touches the smaller one and also the base of cone .find the height of the cone?
*October 30, 2012 by pradeep jangid*

**Geometry**

I have two post that meet the ground perpendicular and the ground is level. One post is 40 feet high, the other is 25 feet high. If I draw a hypotenuse from the top of one post to the base of the other post and another hypotenuse from the top of the other post to the base of ...
*July 9, 2013 by Josh*

**Algebra**

The formula to compute a person's body mass index is B=703*w/h2 B represents the body mass index, w is the person's weight in pounds and h represents the person's height in inches. I need to: a. solve the formula for w. b. What is the weight to the nearest pound of a person ...
*October 14, 2009 by Tyler*

**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**

State whether or not each figure has rotational symmetry. a) scalene triangle b) equilateral triangle c) rectangle d) square e) regular hexagon
*January 6, 2010 by chelsea*

**gr.7 math**

State whether or not each figure has rotational symmetry. a) scalene triangle b) equilateral triangle c) rectangle d) square e) regular hexagon
*January 6, 2010 by vanessa*

**ALgebra**

use slopes to show that the triangle with vertices (-2,7), (6,9) and (3,4) is a right triangle. write an equation of the line that has y-intercept 5/7 and is parallel to the graph of 6x-3y=1
*October 19, 2010 by jose*

**Math Please Help**

The premiters of two equilateral triangles are in the ratio 2:3. If the perimeter of the smaller triangle is 16 cm what is the measure of a side of the larger triangle?
*December 5, 2010 by Please Help!*

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