Sunday

July 5, 2015

July 5, 2015

**probability**

The letters of the word mathematics are written on separate pieces of paper and put in a hat. What is the probability of drawing the letter m from the hat? my first answer is 2/12= 1/6 someone else has 2/11 please show us the correct answer thanks!
*Thursday, July 5, 2012 by bria*

**math**

1. A card is drawn from an ordinary deck of 52 playing cards. What are the odds in favor of drawing an ace? 2. The letters of the word mathematics are written on separate pieces of paper and put in a hat. What is the probability of drawing a vowel from the hat? (vowels are a, ...
*Wednesday, July 4, 2012 by bria*

**physics **

The drawing shows a square, each side of which has a length of L = 0.25 m. Two different positive charges q1 and q2 are fixed at the corners of the square. Find the electric potential energy of a third charge q3 = -4.35 10-8 C placed at corner A and then at corner B.
*Wednesday, July 4, 2012 by Natasha*

**Physics**

Two forces, 1 and 2, act on the 5.00 kg block shown in the drawing. The magnitudes of the forces are F1 = 58.0 N and F2 = 26.5 N. What is the horizontal acceleration (magnitude and direction) of the block?
*Wednesday, June 27, 2012 by Emily*

**Physics**

A wooden plank with length L = 7.5 m and mass M = 104 kg is centered on a granite cube with side S = 2.0 m. A person of mass m = 64 kg begins walking from the center of the plank outward, as shown in the figure. How far from the center of the plank does the person get before ...
*Friday, June 22, 2012 by Annabelle*

**drawing**

please give me some important tips about decoration of a science chart based on 'tiger in trouble.'
*Thursday, June 21, 2012 by edward*

**drawing**

please give me some important tips about decoration of a science chart.
*Wednesday, June 20, 2012 by edward*

**probability**

Consider a deck of 52 cards with the following characteristics: 13 red cards, numbered 1 through 13 13 blue cards, numbered 1 through 13 13 green cards, numbered 1 through 13 13 black cards, numbered 1 through 13 1. Describe the steps necessary to calculate the theoretical ...
*Monday, June 18, 2012 by wendell*

**Sceince**

The drawing shows an edge-on view of two planar surfaces thatintersect and are mutually perpendicular. Surface 1 has an area of 1.7 m^2, while surface 2 san area of 3.2 m^2. The electric field in the drawing is uniform andhas a magnitude of 250 N/C. Find the electrical flux ...
*Sunday, June 10, 2012 by Beth*

**Physics**

The drawing shows an edge-on view of two planar surfaces thatintersect and are mutually perpendicular. Surface 1 has an area of 1.7 m^2, while surface 2 san area of 3.2 m^2. The electric field in the drawing is uniform andhas a magnitude of 250 N/C. Find the electrical flux ...
*Saturday, June 9, 2012 by Beth*

**Physics(Please check)**

A uniform plank of length 5.0 m and weight 225 N rests horizontally on two supports, with 1.1 m of the plank hanging over the right support (see the drawing). To what distance x can a person who weighs 404 N walk on the overhanging part of the plank before it just begins to ...
*Friday, June 8, 2012 by Hannah*

**math**

Nine cards are numbered 1-9. what is the probability of drawing a number greater than 6 or an odd number. I know the answer is 2/3 but I don't know how you find the probability when it says "greather than 6 OR and odd number"... how do you calculate the OR?
*Wednesday, June 6, 2012 by martha*

**Physics(Please check)**

A rectangular plate is rotating with a constant angular speed about an axis that passes perpendicularly through one corner, as the drawing shows. The centripetal acceleration measured at corner A is n times as great as that measured at corner B. What is the ratio L1/L2 of the ...
*Tuesday, June 5, 2012 by Hannah*

**Math**

damn i cant post a drawing..there r 2 cubes, cube x and cube y and the length of the cube x is 12cm. A) find the volume of cube x. B) if cube y has a volume equal to 1/8 of the volume of cube x, find the length of its edge.
*Monday, June 4, 2012 by 大S*

**scaled math question**

In a scaled drawing, 1/3 of an inch represents 6 feet. How many inches represent 54 feet
*Saturday, June 2, 2012 by Anonymous*

**3 grade math ms sue**

problem solving draw a picture 1-Larry used a pattern of colors to make a cube train.He used a red cube,a blue cube,a red cube,and another red cube before he started the pattern again.He used 15 cubes. How many red cubes did Larry use? 2-Eric and Frank want to equally share 4/...
*Thursday, May 31, 2012 by dw*

**physics**

A rotating door is made from four rectangular sections, as indicated in the drawing. The mass of each section is 86 kg. A person pushes on the outer edge of one section with a force of F = 61 N that is directed perpendicular to the section. Determine the magnitude of the door...
*Thursday, May 31, 2012 by Cindy*

**physics**

A rotating door is made from four rectangular sections, as indicated in the drawing. The mass of each section is 86 kg. A person pushes on the outer edge of one section with a force of F = 61 N that is directed perpendicular to the section. Determine the magnitude of the door...
*Wednesday, May 30, 2012 by chelsea*

**ALGEBRA**

What are the odds in favor of drawing face card from an ordinary deck of cards? to
*Tuesday, May 29, 2012 by Urgen please help*

**English**

1. He is playing a game with his smart phone. 2. He is talking on the smart phone. 3. He is writing something on his smart phone. 4. Tom and Bill are talking with each other in the corner of the classroom. 5. He is drawing a cartoon. 6. He is reading a comic book. 7. He is ...
*Tuesday, May 29, 2012 by rfvv*

**Physics**

Multiple Concept Example 9 provides background pertinent to this problem. The magnitudes of the four displacement vectors shown in the drawing are A = 16.0 m, B = 12.0 m, C = 13.0 m, and D = 23.0 m. Determine the (a) magnitude and (b) direction for the resultant that occurs ...
*Tuesday, May 29, 2012 by Sara*

**Physics**

An aerialist on a high platform holds onto a trapeze attached to a support by an 8.0-m cord. (See the drawing.) Just before he jumps off the platform, the cord makes an angle of 41° with the vertical. He jumps, swings down, then back up, releasing the trapeze at the ...
*Tuesday, May 29, 2012 by Mark*

**Physics**

A baby elephant is stuck in a mud hole. To help pull it out, game keepers use a rope to apply a force FA, as part a of the drawing shows. By itself, however, force FA is insufficient. Therefore, two additional forces FB and FC are applied, as in part b of the drawing. Each of ...
*Sunday, May 27, 2012 by Jimmy Turner*

**ALGEBRA**

What are the odds in favor of drawing face card from an ordinary deck of cards? to
*Wednesday, May 23, 2012 by Randy*

**physics**

The drawing shows a person (weight W = 581 N, L1 = 0.843 m, L2 = 0.404 m) doing push-ups. Find the normal force exerted by the floor on each hand and each foot, assuming that the person holds this position. force on each hand N force on each foot N
*Wednesday, May 23, 2012 by chelsea*

**physics**

Review Conceptual Example 7 before starting this problem. A uniform plank of length 5.0 m and weight 225 N rests horizontally on two supports, with 1.1 m of the plank hanging over the right support (see the drawing). To what distance x can a person who weighs 451 N walk on the...
*Wednesday, May 23, 2012 by chelsea*

**English**

1. The man is drawing cartoons on a drawing board. He has a pen on his right ear. What do you think he is doing? (Would you check this writing?) 2. The dogs are playing with balls. 3. Each dog is playing with a ball. 4. The dogs are playing with a ball. (Are the three ...
*Tuesday, May 22, 2012 by rfvv*

**physics-series and parellel circuits**

I'll try to explain the schmatic drawing... a 120V battery, total of 12A, leads into a 8ohm resistor (R1), then breaks off into two parallel lines, R2 and R3. the resistance is unknown in R2, and in R3 the resistance is 3 ohms. I need to find the Amperage in R1,R2 and R3 ...
*Sunday, May 20, 2012 by Dav e*

**math**

drawing several kinds of triangles including a right triangle, than draw a square on each of the sides of the triangles. compute the area of the squares and use this information to investigate whether the pythagorean theorem works for only the right triangles.(use a geometry ...
*Wednesday, May 16, 2012 by sue*

**Math**

I have a challenge of drawing as many rectangles as I can but using only 8 squares on a grid that's only 4 across and 4 up. I can only draw two....
*Monday, May 7, 2012 by Elise*

**Math**

I have a challenge of drawing as many rectangles as I can but using only 8 squares on a grid that's only 4 across and 4 up. I can only draw two....
*Monday, May 7, 2012 by Elise*

**math**

a drawing of a deck has a scale of 1 inch to 5 feet. the actual deck is 18 feet long.how long is the deck in the scale drawing?
*Thursday, May 3, 2012 by jhon*

**physics**

A person stands in front of a mirror at an amusement park. the person is left of a mirror. the mirror shows an upright image of the person that seems to be 4.0 meters behind the mirror. assume the image is 3.5 times the person's height. a) is the image virtual or real ? ...
*Wednesday, May 2, 2012 by deep*

**physics. HELP PLEASE**

A string has a linear density of 5.3 x 10-3 kg/m and is under a tension of 370 N. The string is 1.8 m long, is fixed at both ends, and is vibrating in the standing wave pattern shown in the drawing. Determine the (a) speed, (b) wavelength, and (c) frequency of the traveling ...
*Tuesday, May 1, 2012 by chelsea*

**Probability**

a bag contains 9 red marbles and 4 blue marbles. how many clear marbles should be added to the bag so the probibility of drawing a red marble is 3/5?????
*Monday, April 30, 2012 by Meg*

**physics**

A stone has a mass of 3.40 g and is wedged into the tread of an automobile tire, as the drawing shows. The coefficient of static friction between the stone and each side of the tread channel is 0.916. When the tire surface is rotating at 18.8 m/s, the stone flies out of the ...
*Monday, April 30, 2012 by Anonymous*

**Art 101**

Describe how each artist(Da Vinci and Michelangelo) View drawing as part of the creative process.
*Friday, April 27, 2012 by Carla*

**algebra 2**

Carlos wants to make a scale drawing of a rectangle. he wants the rectangle to have a length of (x-1) units and an area of 1-x/x^2+1 square units. What can you say about how wide the rectangle should be? Explain.
*Thursday, April 26, 2012 by Jess*

**Applied Math **

If a scale drawing has a ratio of 1.5 inches to 20 feet,how many inches would be required for an actual distance of 75 feet?
*Thursday, April 26, 2012 by Shannian*

**HCA 230 COmmunicaiton in Health Care**

I am not looking for someone to do this, I am just trying to figure out how am I suppose to do an introduction and conclusion in a PowerPoint for this. I understand everything else in the directions, but it's my final project and I want to make sure I have everything ...
*Wednesday, April 25, 2012 by Lizz*

**physics**

A proton moves in a constant electric field E from point A to point B. The magnitude of the electric field is 4.2 x10^4 N/C; and it is directed as shown in the drawing, the direction opposite to the motion of the proton. If the distance from point A to point B is 0.18 m, what ...
*Monday, April 23, 2012 by Anonymous*

**College Majors?**

I am a senior rapidly approaching the end of my high school education. Of course college is on my rader. I plan to go to double-major in journalism and art. I want to get my bachelor's degree in journalism so I can become an editor. I can work this job from home while ...
*Sunday, April 22, 2012 by At A Crossroads*

**physics**

"Only two forces act on an object (mass = 3.90 kg), as in the drawing. (F = 76.0 N.) Find the magnitude and direction (relative to the x axis) of the acceleration of the object. " (The angle is 45 degrees and the horizontal force is 40N)
*Friday, April 20, 2012 by Allie*

**physics**

"Only two forces act on an object (mass = 3.90 kg), as in the drawing. (F = 76.0 N.) Find the magnitude and direction (relative to the x axis) of the acceleration of the object. " (The angle is 45 degrees and the horizontal force is 40N)
*Friday, April 20, 2012 by Allie*

**physics**

To illustrate the effect of ice on the aluminum cooling plate, consider the data shown in the drawing below. The length of the ice block is L1 = 0.00476 m and its temperature is T1 = -11.9 °C. The aluminum block is L2 = 0.00131 m long and has a temperature of T2 = -23.8 &...
*Wednesday, April 18, 2012 by anonymous *

**Alg2**

You are playing a game that involves drawing three numbers from a hat. There are 25 pieces of paper numbered 1 to 25 in the hat. Each number is replaced after it is drawin. What is the probability that each number is greater than 20 or less than 4 ?
*Wednesday, April 18, 2012 by Cindy*

**science**

My son had this assignment and it is totally confusing to me. This is the info provided: 4.5-V lightbulb and 3 batteries that are 1.5 V each Knowing Ohm's law: voltage (in volts) =current (in amps) x resistance (in ohms) or V=IR. Determine in which circuit the voltage was ...
*Tuesday, April 17, 2012 by m*

**math**

you are making a scale drawing with a scale of 2 in =17ft. explain how you find the lenght of the drawing of an object that has an actual lenght of 51ft. what points should you include in your explanation?
*Monday, April 16, 2012 by Taylor*

**math**

you are making a scale drawing with a scale of 2in.=17ft. elplain how you find the length of the drawing of an object that has an actual lenght of 51ft
*Monday, April 16, 2012 by Taylor*

**math**

A building has 4 stories that are each 15 feet high. A scale drawing has the height of the building at 5 inches. Which of the following is the correct scale?
*Monday, April 16, 2012 by ben*

**physics**

A steel (Young's modulus 2.0 x 1011 N/m2) wire is strung between two supports attached to a ceiling. Initially, there is no tension in the wire when it is horizontal. A 88-N picture is then hung from the center of the wire, as the drawing illustrates, so the ends of the ...
*Saturday, April 14, 2012 by robert*

**statistics**

A box contains 3 white and 5 black balls. Four balls are drawn at random "with replacement" from the box (i.e. selected balls are returned to the box and mixed, before drawing the next ball). Let X be the number of black balls drawn. What is the distribution of X? ...
*Friday, April 13, 2012 by Anonymous*

**algebra**

at the airport the new run way will be parallel to a highway. on the scale drawing of the airport the equation that represents the highway is 6y=8x-11. what is the equation for the runway
*Thursday, April 12, 2012 by sb*

**geometry**

the ratio of a length on a scale drawing or model to the corresponding length on the real object....is called what?
*Wednesday, April 11, 2012 by Sage*

**art**

1. This is an identifiable symbol that stands for a company. (1 point)motif logo cartoon sign 2. This term refers to an illustration in an early hand-made manuscript. (1 point)drawing photograph illumination print 3. This term refers to different fonts used in graphic design...
*Tuesday, April 10, 2012 by NIKE*

**Math**

Mandy's kitchen measures eight feet by seven feet. If she is making a scale drawing of one inch = two feet, how many inches will she use for eight feet? How many inches will Mandy use for seven feet?
*Tuesday, April 10, 2012 by please help me!!*

**math**

Suppose the cards shown are mixed and placed facedown. Think about drawing a card and without replacement drawing a second card. Give the probability in simplest form: P(A, B) = _____ ————— ————— —————...
*Monday, April 9, 2012 by Cheril*

**Geography**

1 Why has there been a lot of internal migration within Italy? 2 extended decline in general business activity 3 Describe the economic activities that make Northern Italy a profitable region. 4 What other cultures have mixed with or influenced Spanish culture? 5 What is unique...
*Friday, April 6, 2012 by rebel is heartbroken*

**Physics**

The drawing shows two identical systems of objects; each consists of the same three small balls connected by massless rods. In both systems the axis is perpendicular to the page, but it is located at a different place, as shown. The same force of magnitude F is applied to the ...
*Sunday, April 1, 2012 by Beth*

**math**

when is it more practical to use a scale drawing rather than an actual size drawing
*Saturday, March 31, 2012 by kell*

**Physics**

The earth has a radius of 6.38 106 m and turns on its axis once every 23.9 h. A. What is the tangential speed (in m/s) of a person living in Ecuador, a country that lies on the equator? (b) At what latitude (i.e., the angle θ in the drawing) is the tangential speed two-...
*Friday, March 30, 2012 by Natasha*

**Probability**

Jolie has 6 quarters, 6 dimes, 4 nickels, and 10 pennies in her coin purse. If two coins are drawn at random without replacement, what is the probability of drawing a quarter on the first draw and a nickel on the second draw?
*Friday, March 30, 2012 by Kay*

**Geometry**

On the scale drawing of a floor plan 2 inches= 5 ft. A room is 7 inches long on the scale drawing. Find the actual length of the room.
*Thursday, March 29, 2012 by Cassie*

**algebra**

scale drawing of a rectangular room has a length of 18 inches and a width of 12 inches. if the scale for the drawing is 1 inch =21/2 feet, what is the permeter of the actual room
*Wednesday, March 28, 2012 by dontrarius*

**math**

the perimeter of a room is 45 yards and the area is 120 square yards. what would be the perimeter and the area of the room on a scale drawing with the scale of 3 feet to 1 yard?
*Tuesday, March 27, 2012 by Taylor*

**physics**

A person exerts a horizontal force of F = 174 N in the test apparatus shown in the drawing. (h = 0.33 m.) Find the horizontal force M that his flexor muscle exerts on his forearm.
*Tuesday, March 27, 2012 by Will*

**physics please help!!**

A distant galaxy is simultaneously rotating and receding from the earth. As the drawing shows, the galactic center is receding from the earth at a relative speed of uG = 1.90 106 m/s. Relative to the center, the tangential speed is vT = 3.00 105 m/s for locations A and B, ...
*Tuesday, March 27, 2012 by linds*

**physics please help!!**

A distant galaxy is simultaneously rotating and receding from the earth. As the drawing shows, the galactic center is receding from the earth at a relative speed of uG = 1.90 106 m/s. Relative to the center, the tangential speed is vT = 3.00 105 m/s for locations A and B, ...
*Tuesday, March 27, 2012 by linds*

**statics**

Suppose we want to estimate the average number of purchases in a given hour in a local convenience store. Using this example, describe in your own words how you would go about determining this average through: a. Drawing a random sample b. Drawing a systematic sample c. ...
*Friday, March 23, 2012 by Anonymous*

**Physics**

On a banked race track, the smallest circular path on which cars can move has a radius of 113 m, while the largest has a radius of 164 m, as the drawing illustrates. The height of the outer wall is 17.4 m. Find (a) the smallest and (b) the largest speed at which cars can move ...
*Tuesday, March 20, 2012 by Anonymous*

**Physics**

On a banked race track, the smallest circular path on which cars can move has a radius of 113 m, while the largest has a radius of 164 m, as the drawing illustrates. The height of the outer wall is 17.4 m. Find (a) the smallest and (b) the largest speed at which cars can move ...
*Tuesday, March 20, 2012 by Anonymous*

**geometry**

Robert is making a scale drawing of a painting that is 48in. wide by 120in. high. His paper is 12in. wide and 24in. tall. He decides to use the scale 1in.= 4in. Is this a reasonable scale?
*Wednesday, March 14, 2012 by Alex*

**Physics**

The drawing shows a cross section of a plano-concave lens resting on a flat glass plate. (A plano-concave lens has one surface that is a plane and the other that is concave spherical.) The thickness t is 1.38 10-5 m. The lens is illuminated with monochromatic light (λ...
*Tuesday, March 13, 2012 by DCM*

**physics**

By accident, a large plate is dropped and breaks into three pieces. The pieces fly apart parallel to the floor, with v1 = 3.15 m/s and v2 = 1.50 m/s. As the plate falls, its momentum has only a vertical component, and no component parallel to the floor. After the collision, ...
*Tuesday, March 13, 2012 by Natasha*

**pre algabra**

mark is making a scale drawing of his house.the width of his house is 40 feet.marks room is 10 feet wide by 17 and a half feet long in mark first drawing the width of his house (40feet) is represented by 8 inches what would the dimensions of his room in inches be on the drawing?
*Monday, March 12, 2012 by Anonymous*

**physics**

The drawing shows a copper wire (negligible resistance) bentinto a circular shape with a radius of 0.48 m. The radial sectionBC is fixed in place, while the copper bar ACsweeps around at an angular speed of 16 rad/s. The bar makeselectrical contact with the wire at all times. ...
*Monday, March 12, 2012 by Daniel*

**Chemistry**

Draw a titration curce of 25.0 mL of 0.100 M aluminum ion (pKa=5.14) with 0.100 M NaOH. I am familiar with the process of drawing titration curves, however, I have never done an example with an ion (aluminum ion) rather than an actual acid. If anyone can please tell me how to ...
*Sunday, March 11, 2012 by Anna*

**accounting**

Classify each of the following items as owner's drawing, revenue, or expense. (a) Advertising expense (b) Commission revenue (c) Insurance expense (d) Salaries Expense (e) Bergman, Drawing (f) Rent revenue (g) Utilities expense
*Wednesday, March 7, 2012 by Anonymous*

**Physics**

(the drawing is of a square with each side equaling L and the opposites of each corner are equal to each other, so the mystery corner would be 3I) Four parallel long straight wires are carrying current perpendicular to the page, and the points at which they pass through the ...
*Tuesday, March 6, 2012 by Devon*

**math**

what are the odds in favor of randomly drawing the letter m from the letters in the word remember? would it be 2 out of 8 would you simplify it to 1 out of 4??? help
*Tuesday, March 6, 2012 by becca*

**Math**

There are 10 marbles in a bag. 5 blue, 3 red and 2 green. If you draw 1 marble at random, What are the odds in favor of drawing a red marble? Is the answer 3/10 or 3/7 ???
*Monday, March 5, 2012 by Anonymous*

**English**

Writeacher, could you please check the very last things. It's really late here and I need to go to bed. Thank you. 1) Unfortunately, we have just sent in our Comenius proposal for a science project on biodiversity in water with both a German and a French school. 2) However...
*Monday, March 5, 2012 by Henry*

**English**

I left out a few other things I would like to include in an email. Thank you very much. 1) Unfortunately, we have just sent in our Comenius proposal for a science project on biodiversity in water with a German and a French school. 2) However,being an English teacher myself, I ...
*Monday, March 5, 2012 by Henry*

**Mechanics**

A 30.0-kg block is resting on a flat horizontal table. On top of this block is resting a 15.0-kg block, to which a horizontal spring is attached, as the drawing illustrates. The spring constant of the spring is 325 N/m. The coefficient of kinetic friction between the lower ...
*Monday, March 5, 2012 by MLC*

**physics**

A 1245-N uniform beam is attached to a vertical wall at one end and is supported by a cable at the other end. A W = 1980-N crate hangs from the far end of the beam. (a) Using the data shown in the drawing, find the magnitude of the tension in the wire. N (b) Using the data ...
*Friday, March 2, 2012 by collie *

**Physics**

Workers have loaded a delivery truck in such a way that its center of gravity is only slightly forward of the rear axle, as shown in the drawing. The mass of the truck and its contents is 6675 kg. Find the magnitudes of the forces exerted by the ground on the following. (a) ...
*Thursday, March 1, 2012 by Bria*

**math**

How can you decide whether a photo or drawing can be enlarged or reduced to fit a space without distorting the shape?
*Thursday, March 1, 2012 by Lizette*

**Math**

Three students will represent your school at a conference at the state capitol. A drawing will be held to select the three representatives from a group of five finalists. If you and you friend are both finalists, what are the chances that both of your names will be drawn?
*Thursday, March 1, 2012 by Anonymous*

**English**

Are the verbs in these sentences passive voice, weak or past tense. My answers: 1. The book was informative but too long.--weak or past or both?? 2.The teachers have sent the book to the publisher.--past 3.The essay has been shortened by ten pages.-- past 4. This method of ...
*Wednesday, February 29, 2012 by Matt*

**Physics**

Two identical cars (m = 1350 kg) are traveling at the same speed of 23.9 m/s. They are moving in the directions shown in the drawing. What is the magnitude of the total momentum of the two cars?
*Wednesday, February 29, 2012 by Candy*

**Physics**

A skier starts from rest at the top of a hill. The skier coasts down the hill and up a second hill, as the drawing illustrates. The crest of the second hill is circular, with a radius of 38.3 m. Neglect friction and air resistance. What must be the height h of the first hill ...
*Wednesday, February 29, 2012 by Candy*

**Physics**

The drawing shows a skateboarder moving at 5.55 m/s along a horizontal section of a track that is slanted upward by 40.9 ° above the horizontal at its end, which is 0.724 m above the ground. When she leaves the track, she follows the characteristic path of projectile ...
*Wednesday, February 29, 2012 by Candy*

**Math**

A scale drawing of a house is 15 cm high. If the drawing was built with a scale of 1 cm: 2.5ft, how high was the actual house
*Wednesday, February 29, 2012 by Stacey*

**physics**

The drawing below shows two laboratory carts (each has a mass of 1.0 kg) X and Y in contact with a compressed exploder spring between them. The mass on cart Y is 2.33 kg, distance A is 6 cm, distance B is 9 cm. What mass must be placed on cart X, such that after the explosion ...
*Tuesday, February 28, 2012 by Katie*

**physics**

A mountain climber, in the process of crossing between two cliffs by a rope, pauses to rest. She weighs 620 N. As the drawing shows, she is closer to the left cliff than to the right cliff, with the result that the tensions in the left and right sides of the rope are not the ...
*Tuesday, February 28, 2012 by u/a*

**Algebra 2**

Two cards are randomly drawn from a standard deck without replacing the card after the first draw. Find the probability of drawing a spade followed by a heart?
*Tuesday, February 28, 2012 by Megan*

**physics**

Four very thin rods, each 5.9 m long, are joined to form a square, as part (a) of the drawing shows. The center of mass of the square is located at the coordinate origin. The rod on the right is then removed, as shown in part (b) of the drawing. What are the x- and y-...
*Monday, February 27, 2012 by Day*

**physics**

The drawing shows a skateboarder moving at 5.34 m/s along a horizontal section of a track that is slanted upward by 47.7 ° above the horizontal at its end, which is 0.795 m above the ground. When she leaves the track, she follows the characteristic path of projectile ...
*Sunday, February 26, 2012 by Alexander*

**Math/Trig**

Period: Asymptotes: Range: a) y= 2 sec (x) + 1 b) y= -2 csc (x - pi/2) c) y= 1 + tan (x + pi/4) d) y= 1/2 + csc (x - pi) + 1 e) y= cot (3x + pi) + 2 Any tips on drawing the graph?
*Sunday, February 26, 2012 by Krystal*

**Math**

Matt has a deck of 20 cards. Of these 15 are numbers cards and 5 face cards. What is the probability of drawing a number card from the whole deck?
*Sunday, February 26, 2012 by Brandon*