Friday

July 31, 2015

July 31, 2015

Number of results: 14,775

**Trig.**

Theta is 21 deg. The bottom side is 25, with the side opposite from twenty one being represented by x. How do you find x?
*December 20, 2009 by Sam*

**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*

**Calculus**

Verify the identity. (Left side to right side) {(sinu+sinv)/(cosu+cosv)}=tan1/2(u+v)
*May 2, 2012 by DAS*

**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*

**geometry**

cuts across on diagnal saves 1/3 distance of longer side what ratio of short to long side
*February 10, 2013 by Anonymous*

**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 **

an ice cube that is 8 cm on each side is melting at a rate of 4 cm^3 per min. how fast is the length of the side decreasing?
*December 9, 2013 by sarah *

**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*

**math**

One side of a square is 5n inches long. Another side is n + 16 inches long. Write an equation by setting these equal and solving for n. How long is a side of the square? One point for finding n and one point for finding the length of the side.
*December 9, 2009 by sabrina*

**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*

**Geometry**

I have to do this web quest table and i just want to make sure that i did this right. please help check this for me! I did this in excel so i marked the questions with my answers with different symbols. it is a little confusing. Probability of 2 randomly chosen angles being ...
*February 2, 2011 by Cheryl*

**solid mensuration**

The base of a right prism is a rhombus whose sides are 12 inch and whose longer diagonal is 15 inch. Find its volume.
*January 22, 2014 by nika*

**area and perimeter**

a farmer wishes to build a fence around a rectangular field and divide it into two equal parts as well.the dividing fence must be parallel to one of the side of the field. you are asked to find dimension of the field of maximum area that you can fence and divide in two equal ...
*February 13, 2014 by malobisa*

**math**

the length of a rectangle is 5 ft more than twice the width. a)if x represents the width of the rctangle, represent the perimeter of the rectangle in terms of x. b) if the perimeter if the rectangle is 2 ft more than eight times the width of the rectangle, find the dimensions ...
*September 12, 2009 by anthony*

**science**

In Vista and Windows 7, which process allows you to display two documents side by side? A. Click the Windows button, choose Control Panel, and select the Tile Windows Vertically option. B. Right-click the mouse button in a blank area of the taskbar; in the menu option that ...
*August 15, 2012 by Joanna*

**Pre-Calculus**

Solve the triangle. Round to the nearest tenth. B=54deg a=42 c=6.5 1. I found length of b using law of cosine and got 36.2 2. Using side of b, I used the law of sine to get angle A = 28.2 3. I added B+A and subtracted from 180 to get angle C = 127.8 which DOES NOT make sense ...
*December 7, 2009 by Vincent*

**geometry**

The endpoints of one diagonal of a rhombus are (0, -8) and (8, -4). If the coordinates of the 3rd vertex are (1, 0), what are the coordinates of the 4th vertex? (7, -12) (7, -8) (-8, -4) (-4, -12)
*January 17, 2012 by debbie*

**Geometry**

The endpoints of one diagonal of a rhombus are (0, -8) and (8, -4). If the coordinates of the 3rd vertex are (1, 0), what are the coordinates of the 4th vertex? (7, -12) (7, -8) (-8, -4) (-4, -12)
*January 17, 2012 by debbie*

**algebra**

How do you know if a value is a solution for an inequality? How is this different from determining if a value is a solution to an equation? If you replace the equal sign of an equation with an inequality sign, is there ever a time when the same value will be a solution to both...
*May 21, 2008 by Anonymous*

**Algebra**

How do you know if a value is a solution for an inequality? How is this different from determining if a value is a solution to an equation? If you replace the equal sign of an equation with an inequality sign, is there ever a time when the same value will be a solution to both...
*May 26, 2008 by Anonymous*

**math**

The area of a rectangle is 100 sq. in. The perimeter of the rectangle is 4o in. A second rectangle has the same area but a different perimeter. Is the second rectangle a square? Explain why or why not.
*February 25, 2010 by Anonymous*

**math**

the perimeter of a rectangle is twice the sum of its length and its width. the perimeter is 40 meters and its lenth is 2 meters more then twice its width. what is the length?
*April 4, 2011 by help fast please!!!*

**math**

the perimeter of a rectangle is twice the sum of its length and its width. the perimeter is 40 meters and its lenth is 2 meters more then twice its width. what is the length?
*April 4, 2011 by help fast please!!! help help help *

**geometry**

If the length of a rectangle is twice its width, w, write an expression to represent the perimeter of the rectangle. If the perimeter of the rectangle is 72 inches, what is the length and width of the rectangle?
*September 6, 2011 by Maddie*

**math**

The width of the rectangle is half its length and the perimeter is 42m.caculate the area of the rectangle.find the width and length of perimeter and area.
*January 12, 2012 by anna*

**Chemistry**

The diameter of a hydrogen nucleus is 1.0 X 10 -3 pm and its mass is 1.67 X 10 -24 g. What is the density of the nucleus in grams per cubic centimeter? Assume the nucleus is a sphere with volume = 4/3pie r3.
*July 4, 2015 by Kristina*

**geo**

Describe the topography of the interior plains as you would see it if you were driving across the region from west to east to the Trans-Canada highway.
*November 28, 2010 by john*

**Physics**

Simpson drives his car with an average velocity of 45.1 km/h to the east. How long will it take him to drive 153 km on a straight highway? Answer in units of h
*September 8, 2011 by Abby*

**Science**

While traveling along a highway a driver slows from 24 m/s to 15 m/s in 12 seconds. What is the automobile's acceleration? How would I show the work and find this answer?
*October 29, 2012 by Robert*

**Algebra **

How do you know if a value is a solution for an inequality? How is this different from determining if a value is a solution to an euation? If you replace the equal sign of an equation with an inequality sign, is there ever a time when the same value will be a solution to both ...
*September 28, 2009 by Kellie*

**Math**

I'm having some trouble converting square/cubic metric units. Ex: 1500 cu. cm = ? cu. dm? I have this number line thing that helps, and so far I know that you divide by 10 (I think, decimeter is higher than centimeter, yes?), but now what? Thank you!
*May 12, 2009 by Anonymous*

**Algebra**

I think I have the correct equation, but can someone please double check and tell me if I am correct. Scenario: Suppose that the width of a rectangle is 5 inches shorter than the length, and that the perimeter of the rectangle is 50. Question: Set up an equation for the ...
*January 3, 2009 by Patrick*

**math**

The cargo area of the deck of a barge is 60 ft wide. Cargo containers are 7 ft wide, and can be placed side-by-side with a gap of 6 in between them. How many containers may be placed side-by-side on the deck of the barge?
*February 10, 2010 by kim*

**science**

Earth's diamter is about 13,000 kilometers. If a globe has a diameter of 0.5 meter, write the globes scale as a ratio. What distance on earth would 1 centimeter on the golbe repersent?
*February 20, 2011 by linda*

**science**

As mentioned before, our asteroid is in the shape of a sphere and has a mass of 2000 kilograms. Determine the density (in grams per cubic centimeter) of this asteroid if its diameter is known to be 1.2 meters.
*October 11, 2014 by stacy*

**Math**

suppose that a given quadrilateral is a kite with no right angles. which of the following is possible A: the quadrilateral is a rhombus B: the quadrilateral has congruent diagnols C: the quadrilateral is a trapezoid D: None
*January 30, 2010 by Anonymous*

**how would i solve this, math**

Geometry. For the floor plans given in exercise 27, determine whether the side through the points (2,3) and (11,6) is perpendicular to the side through the points (2,3) and (-3,18). # 27 states the following: Geometry. Floor plans for a building have the four corners of a room...
*January 15, 2007 by jasmine20*

**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*

**Grammar and Composition**

What is a good sentence with the word 'juxtapose'. It means to place close together or side by side, as for contrast. Thanks
*December 28, 2009 by y912f*

**geometry**

the measure of the shorter parallel side of b is 6in and the longer side is 8in, the height of that figure is 10in what is the area?
*February 7, 2010 by debbie*

**science**

Explain why ionic compounds are formed from the left side of the periodic table reacts with nonmetalfrom the right side.
*February 16, 2011 by Philip*

**Algebra**

If the side of a square are lengthened by 7cm, the area becomes 225cm^2. Please help me find the length of the original side! Thank you
*May 5, 2012 by Bailey*

**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*

**chemistry**

balance: Al2(CO3)3 --> Al2O3 + CO2 i dont know how to do the reactant side so i can figure out the product side...
*January 9, 2013 by simon*

**geometry**

The perimeter of a triangle, its area, and the radius of the circle inscribed in the triangle are related in an interesting way. Prove that the radius of the circle times the perimeter of the triangle equals twice the area of the triangle.
*April 11, 2010 by sarah A*

**geometry**

Large triangle (30¢X, 60¢X, and 90¢X), the base is 15 feet. and small triangle (30¢X, 60¢X, and 90¢X) the above two triangle the ratio of the perimeter of the large triangle to the perimeter of the small triangle is ¡Ô3. Determine the area of the small triangle rounded to the ...
*March 28, 2012 by Piggy*

**geometry**

Large triangle (30¢X, 60¢X, and 90¢X), the base is 15 feet. and small triangle (30¢X, 60¢X, and 90¢X) the above two triangle the ratio of the perimeter of the large triangle to the perimeter of the small triangle is ¡Ô3. Determine the area of the small triangle rounded to the ...
*March 28, 2012 by Piggy*

**MATH**

Spencer wants to plant strawberries for his garden. To do this, he has to increase the garden and the fence around it. Spencer decides one side can be twice as big and the other side four times as big. One side measures 7feet long and the other side is 5 feet long. What is the...
*December 1, 2014 by KAYLA*

**Probability**

One of two cards is black on one side and white on the other side. The second card is black on both sides. One card is selected at random and the side facing up is black. What is the probability that the other side of the card is white?
*January 2, 2010 by Anna*

**Math**

Suppose that a given quadrilateral is a kite with no right angles. Which of the following is possible? A) The quadrilateral is a trapezoid. B) The quadrilateral is a rhombus. C) The quadrilateral has congruent diagonals. D) None of the above
*October 29, 2009 by Becca*

**math**

Karina drew a shape with 2 pairs of parallel sides and no right angles. Which shape could Karina have drawn? A. square B. rhombus C. rectangle D. trapeziod
*March 27, 2013 by sarah*

**math**

The manager turns the restaurants two neon signs on at the same time both signs blink as theyaare turned on. One sign blinks every 9 seconds and one sign blinks every firfteen seconds. How many seconds will they both blink together again?
*September 18, 2014 by amber*

**elementary math for teachers **

Suppose that a given parallelogram is not a rhombus or a rectangle. Which of the following can you conclude about this parallelogram? A) It is a square. B) Its angles are not all congruent. C) Its diagonals are perpendicular bisectors of each other. D) None of the above
*October 15, 2009 by jen*

**Math**

What is the equation for a graph that is shaped like a "w" but it has no pointy points, it is curvy? thank you
*October 9, 2007 by Mike*

**greece**

What factors Shaped the development of Greek Culture, government, and power?
*March 10, 2008 by Anonymous*

**biology**

why are animals shaped differently in cooler climates than in warmer ones?
*August 21, 2008 by jenna*

**2nd grade**

what is a part of the earth that is shaped in a special way, is that a landform
*October 6, 2009 by mike*

**biology**

what are some of the ways in which we can differentiate spores from coccus shaped bateria?
*February 10, 2010 by Tom*

**math**

i need help by knowing how to find area with 3 shaped in all please help
*January 19, 2011 by Jacqueline*

**omt101**

Draw three differently shaped cross sections of an ellips
*March 28, 2011 by Yogesh*

**math**

draw three differentiy shaped cross sections of an ellipsoid
*March 30, 2011 by om*

**statsitsc**

b. The graph of a normal distribution is bell-shaped. (True/False)
*August 20, 2011 by ann*

**Math**

What is the volume of a cubed shaped box with edges 6 centimeters in length
*June 21, 2012 by Misty*

**chemistry**

though water has V shaped,why doesnot it scratch our throat?
*January 3, 2013 by sushila*

**S.S**

Were there any key events in Elizabeth Cady Stantons life that shaped her dream for the U.S
*March 5, 2015 by anonymous *

**Radicals w/rational exponents**

Could someone please help me with this. Assume nonnegative and simplify. v45 + v80 - 3 v20 I couldn't figure out how to insert the radical sign so the v represents the radical sign. (3v5 + v3)(v2 + 2v5) (v3+ 4v7)2square ans=root of 5 sqrt45 + sqrt80 - 3 sqrt20 sqrt9*5 + sqrt16...
*November 14, 2006 by Michelle*

**geometry**

if you have two similar polygons and the scale factor is 3:5 and 12 times square root of 3 is one side, what is the cooresponding side
*January 29, 2008 by Anna-Marie*

**math**

if you have two similar triangles and the scale factor is 3:5 and 12 times square root of 3 is one side, what is the cooresponding side
*January 29, 2008 by Anna-Marie*

**Question:8th Grade Algebra**

How do you get a variable term from one side of an equation onto the other side? Can I get an example please?
*October 28, 2008 by Joy*

**Business Calculus**

An ice cube that is 3 cm on each side is melting at a rate of 2 cm cubed per minute. how fast is the length of the side decreasing?
*October 21, 2010 by Joel*

**maths**

a square of 10cm on each side, using the side to forma curve as a radius from each end. find the area from the four arches.
*November 13, 2010 by anonymous*

**math**

Tom has somee cubes that are two proudest cm on each side. How many of them will fit into a box that is a cube with each side four cm long?
*September 13, 2012 by jake*

**English - Help!!**

1. The sharp rock LACERATED her side as she climbed the side of the cliff. bruised sliced scratched wounded I think it's B? Can someone help?
*April 29, 2014 by Sandy East Ward*

**Algebra**

When I asked you about the following problem:Solve 4sqrt(6x-2)>4 The first 4 is outside the square root sign and then (6x-2) is under the square root sign >4. You said to do the following. Divide by 4 to get sqrt(6x-2)>1 For this to happen, 6x-2>1 or x>(1/2) ...
*October 19, 2010 by JayLynne-Mathmate please recheck*

**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*

**science**

A ________ is about the size of a dime, the width of a sugar cube, the length of a bee or small bug, or the size of a bean. a) centimeter b) millimeter c) meter d) milliliter e) none of the above a
*September 4, 2010 by pam*

**chemistry **

a copper sample has a mass of 44.65 g and a volume of 5.0cm^3. what is the density of copper, expressed as gram per cubic centimeter? can you please write the formula then show the working? thank you really appreciate it
*August 27, 2012 by help3*

**Physics**

a 2 centimeter diameter ball of 50 grams rolls at constant velocity across a table. it takes 4 seconds to travel 3 meters. Sketch graph of horizontal position, velocity and acceleration.
*December 5, 2012 by Tan*

**Math**

Pythagorean Theorem A rectanglar box is 9 in. wide, 11 in. tall, and 20 in. long. What is the diameter of the smallest circular opening through which the box will fit? If necessary, round to the nearest tenth of a centimeter.
*April 1, 2013 by Jane*

**Algebra**

A small painting has an area of 400 cm^2. The length is 4 more than 2 times the width. Find the dimensions of the painting. Solve by completing the square. Round answers to the nearest tenth of a centimeter.
*April 9, 2013 by Anonymous*

**algebra**

A small painting has an area of 400 c m 2 . The length is 4 more than 2 times the width. Find the dimensions of the painting. Solve by completing the square. Round answers to the nearest tenth of a centimeter.
*May 20, 2014 by Bobby*

**Math**

If one side of a square is increased by 2 inches and an adjacent side is decreased by 2 inches, the area of the resulting rectangle is 32 square inches. Find the length of one side of the square.
*December 19, 2012 by LP*

**MATH**

The ratio of the perimeter of triangle KLM to the perimeter of triangle PQR is 5/3 and LM is 4 less than twice QR. Find LM and QR, if Triangle KLM~Triangle PQR. Can someone solve this in ratio and proportion method? Thanks.
*November 10, 2010 by Kevin Loed*

**physics**

Simpson drives his car with an average veloc- ity of 49.7 km/h to the east. How long will it take him to drive 150 km on a straight highway? Answer in units of h
*October 1, 2013 by alison*

**physics**

A 10000 car comes to a bridge during a storm and finds the bridge washed out. The 700 driver must get to the other side, so he decides to try leaping it with his car. The side the car is on is 24.0 above the river, while the opposite side is a mere 6.80 m above the river. The ...
*February 11, 2008 by samantha*

**Business**

You are the chief executive officer of Money Games Inc.(MGI), which has begun to market Borrow & Spend, a video game set in the world of finance. To buy ads, MGI borrows $50,000 from First Savings Bank. On MGI's behalf, you sign a note for the loan and offer its accounts ...
*March 15, 2011 by Liz Marie Santana*

**chemistry**

You will be presented with three crystallographic directions drawn in a unit cell. Please write the identity of the direction in the space provided below each picture. Use the correct form of brackets for describing a direction, and leave no spaces between numbers. If you must...
*June 1, 2013 by Anonymous*

**chemistry**

You will be presented with three crystallographic directions drawn in a unit cell. Please write the identity of the direction in the space provided below each picture. Use the correct form of brackets for describing a direction, and leave no spaces between numbers. If you must...
*June 2, 2013 by A*

**Math**

The speed limit on a highway is 65 mi/hr. What is this speed in km/hr? Is the correct answer 104 km/hr?
*February 25, 2012 by Mandi*

**math 3**

elena packed 48 cubes into this box. each cube has edges that are 1 centimeter. how many layes of cubes did elena make?
*March 3, 2014 by kimmy plus*

**math**

A metal sphere has a mass of 1 kg. 1 cubic centimeter of this metal has a mass of 4.8 grams. find the radius. how do you work this out?
*September 22, 2014 by maya*

** math**

Can anyone help me with dq i week 2Post your response to the following: How do you know if a value is a solution for an inequality? How is this different from determining if a value is a solution to an equation? If you replace the equal sign of an equation with an inequality ...
*July 29, 2010 by Norma*

**Algebra 1.**

Factor: 50r^8 – 32r^2 The caret symbol represents a power. 2r^2(25r^6+16)= 2r2(25r6+16) DrBob222 forgot a minus sign: 50r^8 – 32r^2 = 2r^2(25r^6 - 16) Then, inside the brackets, you see a difference of two squares: 25r^6 - 16 = X^2 - Y^2 with X = 5 r^3 and Y = 4 You can then ...
*January 9, 2007 by Elton*

**Physcis**

An object slides without friction in a bowl shaped like a hemisphere. It is released from rest at one edge of the bowl, slides up the other side before stopping right on the edge of the bowl. During which part of this process is the power being delivered by the gravitational ...
*June 22, 2011 by Casey*

**Math**

The width of a rectangle is fixed at 16 cm. What lengths will make the perimeter greater than 78cm? Would the answer be 23 because 16*2+23*2=78cm or would the answer be 24. Because the perimeter is greater than 78cm
*April 8, 2010 by Richard*