Friday

October 21, 2016
**Probability MATH**

can someone please check my answers. 7. A married couple is expecting another child. They already have 3 boys. What are the chances of them having another boy? 1/4 8. After having had the four boys the couple is expecting another child. What is the chance of them having ...

*Tuesday, December 2, 2014 by Sarah*

**math**

The diagram uses a scale of 1/4in:30ft. Explain hoe to use the scale and scale drawing to find actual soccer field dimensions. Is the correct answer 1in.:120ft

*Tuesday, December 2, 2014 by Amanda*

**Physics**

The wheels, axle, and handles of a wheelbarrow weigh W = 65 N. The load chamber and its contents weigh WL = 538 N. The drawing shows these two forces in two different wheelbarrow designs. To support the wheelbarrow in equilibrium, the man’s hands apply a force to the ...

*Monday, December 1, 2014 by Jenna*

**Art Help Please!!!!!**

To create a portfolio of work, thsi artist would do all of the following except. The picture is of a robot in black and white. A. include more drawings of characters the artist has created to show creativity. B. include a variety of color schemes and designs to show diversity ...

*Tuesday, November 25, 2014 by Callie*

**Thermodynamics**

Drawing a blank studying last minute for an exam: when does a piston cylinder not follow the 2nd law of thermodynamics!!!!

*Tuesday, November 25, 2014 by Joe*

**physics**

A Venturi meter is a device for measuring the speed of a fluid within a pipe. The drawing shows a gas flowing at speed v2 through a horizontal section of pipe whose cross-sectional area is A2 = 0.0769 m2. The gas has a density of ρ = 1.30 kg/m3. The Venturi meter has a ...

*Saturday, November 22, 2014 by Archy*

**Math**

A tightrope walker attaches a cable to the roofs of two adjacent buildings. The cable is 23.5 m long. The angle of inclination of the cable is 13 degrees. The shorter building is 12.0 m high. What is the height of the taller building to the nearest tenth of a metre? I tried ...

*Friday, November 21, 2014 by Anonymous*

**math Help!!!!!!**

I have to make a scale drawing of my desk. What are the scaled measurements? My answer height is 55 1/8in width is 28 3/4in 55 1/8÷24=0.09 28 3/4÷24=2.29 Am I right?

*Wednesday, November 19, 2014 by callie*

**math Help!!!!!!**

I have to do a scale drawing of my dresser. The height is 51 1/8in the width is 42 1/2in. My scale is 24in=1 inch What are the scaled measurements?

*Wednesday, November 19, 2014 by callie*

**math Help!!!!!!**

I have to make a scale drawing of my bed. The actual dimensions are 60in*80in. What are the scale measurments? I don't understand how to do this.

*Wednesday, November 19, 2014 by callie*

**Math Help!!**

What is the actual measurments of your room? My answer Height= 10ft Width=9ft 6 in. What is the scale that you will use for your scale drawing? 24=1 inch What will the dimensions of your room be in your scale drawing? I don't know how to answer this question. Please help me.

*Wednesday, November 19, 2014 by Callie*

**Math Help!!**

I have to do a scale drawing. The actual measurments of my room are 9 ft 6 inch* 10 ft. The scale that I am using for my scale drawing is 24 inches=1 inch. What will the dimensons of my room be in my sclae drawing? I don't know how to figure this out.

*Wednesday, November 19, 2014 by Callie*

**Values Education**

How do I interpret a drawing that has a winner and a girl scout in it if our topic was being special and happy about yourself

*Monday, November 17, 2014 by Carrie*

**Math Help!**

Sometimes scale drawings are shown on graph paper. Each square on this graph paper is 1/4 inch, Use the scale drawing of the living room to answer each question. What is the lenth of the fireplace in inches? The fireplace has 5 squares. A. 90 inches B. 45 inches C. 180 inches ...

*Friday, November 14, 2014 by Callie*

**English...PLEASE CHECK THIS**

Here is the second bit of my description of a school dining hall. Can you please check it and suggest any improvements with my vocabulary and my attention to detail. If possible can you help me to include metaphors and personification, where possible....Thank you Back at the ...

*Thursday, November 13, 2014 by anonymous*

**physics **

A copper (Young's modulus 1.1 x 1011 N/m2) cylinder and a brass (Young's modulus 9.0 x 1010 N/m2) cylinder are stacked end to end, as in the drawing. Each cylinder has a radius of 0.38 cm. A compressive force of F = 6100 N is applied to the right end of the brass ...

*Wednesday, November 12, 2014 by S*

**physics **

The drawing shows a 156-kg crate hanging from the end of a steel bar (S = 8.1 x 1010 N/m2). The length of the bar is 0.117 m, and its cross-sectional area is 7.44 x 10-4 m2. Neglect the weight of the bar itself and determine (a) the shear stress on the bar and (b) the vertical...

*Wednesday, November 12, 2014 by S*

**math**

A bag contains n cards, each having one of the consecutive numbers (1, 2, 3, 4, .... n) written on it, with each number being used once. The probability of drawing a card with a number less than or equal to 10 is 4/10. How many cards are in the bag?

*Monday, November 10, 2014 by KG*

**Trig**

House B is located at a bearing of N67°E from house A. House C is 370 meters from house A at a bearing of S68°E. House B is located at a bearing of N11°W from house C. Find the distance from house A to house B. (Round your answer to two decimal places.) Sorry, I ...

*Saturday, November 8, 2014 by Kate*

**reading **

Laurie swings idly on his hammock and spies the March girls walking out to a hill. There, the sisters sit working—knitting, sewing, drawing, and reading. Feeling left out, Laurie asks if he may join them. They admit him under the condition that he contribute something ...

*Friday, November 7, 2014 by 2phoneeeeee *

**physics**

A one-piece cylinder is shaped as in the Figure, with a core section protruding from the larger drum. The cylinder is free to rotate around the central axis shown in the drawing. A rope wrapped around the drum, of radius 2.70 m, exerts a force F1 to the right on the cylinder. ...

*Tuesday, November 4, 2014 by Misaki*

**Physics **

A bowling ball encounters a 0.760-m vertical rise on the way back to the ball rack, as the drawing illustrates. Ignore frictional losses and assume that the mass of the ball is distributed uniformly. The translational speed of the ball is 7.83 m/s at the bottom of the rise. ...

*Sunday, November 2, 2014 by S*

**Physics**

A bowling ball encounters a 0.760 m vertical rise on the way back to the ball rack, as the drawing illustrates. Ignore frictional losses and assume that the mass of the ball is distributed uniformly. The translational speed of the ball is 5.40 m/s at the bottom of the rise. ...

*Saturday, November 1, 2014 by Shawn*

**physics**

The drawing shows two transverse waves traveling on two strings. The linear density of each string is 0.0483 kg/m, and the tension is provided by a 15.0-N block that is hanging from the string. Determine the speed of the wave in part (a) and part (b) of the drawing.

*Friday, October 31, 2014 by Anonymous*

**Physics**

The cylinder in the drawing contains 3.81 mol of an ideal gas. By moving the piston, the volume of the gas is reduced to one-fourth its initial value, while the temperature is held constant. How many moles Δn of the gas must be allowed to escape through the valve, so that...

*Monday, October 27, 2014 by Bobby *

**Physics **

The wheels, axle, and handles of a wheelbarrow weigh W = 57 N. The load chamber and its contents weigh WL = 674 N. The drawing shows these two forces in two different wheelbarrow designs. To support the wheelbarrow in equilibrium, the man’s hands apply a force to the ...

*Monday, October 27, 2014 by S*

**Physics**

The helicopter in the drawing is moving horizontally to the right at a constant velocity. The weight of the helicopter is W=54300 N. The lift force L generated by the rotating blade makes an angle of 21.0° with respect to the vertical. (a) What is the magnitude of the lift...

*Monday, October 27, 2014 by Candice*

**physics**

A copper (Young's modulus 1.1 x 1011 N/m2) cylinder and a brass (Young's modulus 9.0 x 1010 N/m2) cylinder are stacked end to end, as in the drawing. Each cylinder has a radius of 0.14 cm. A compressive force of F = 4800 N is applied to the right end of the brass ...

*Sunday, October 26, 2014 by Anonymous*

**Art**

In the painting Reclining Old Man by Georges Lallemant how did the artist most likely create this drawing? a. by doing no previouw figure drawing b.by investigating various poses of the human body c.by choosing to stay with typical poses d.by using no value changes in the ...

*Friday, October 24, 2014 by Girl Friday*

**Physics**

The helicopter in the drawing is moving horizontally to the right at a constant velocity. The weight of the helicopter is W=54300 N. The lift force L generated by the rotating blade makes an angle of 21.0° with respect to the vertical. (a) What is the magnitude of the lift...

*Thursday, October 23, 2014 by Tami*

**physics**

an object is attached to the lower end of a 100-coil spring hanging from the ceiling.the spring stretches by 0.160m. the spring is then cut into two identical springs of 50 coils each. as the drawing shows, each spring is attached between the cieling and the object by how much...

*Thursday, October 23, 2014 by Anonymous*

**physics**

Five hockey pucks are sliding across frictionless ice. The drawing shows a top view of the pucks and the three forces that act on each one. The forces can have different magnitudes (F, 2F, or 3F), and can be applied at different points on the puck. Only one of the five pucks ...

*Wednesday, October 22, 2014 by ram*

**physics**

The drawing shows a chain-saw blade. The rotating sprocket tip at the end of the guide bar has a radius of 1.4×10-2 m. The linear speed of a chain link at point A is 3.0 m/s. Find the angular speed of the sprocket tip in rev/s.

*Wednesday, October 22, 2014 by ram*

**Physics**

The lob in tennis is an effective tactic when your opponent is near the net. It consists of lofting the ball over his head, forcing him to move quickly away from the net (see the drawing). Suppose that you lob the ball with an initial speed of 16.5 m/s, at an angle of 52.5°...

*Wednesday, October 22, 2014 by Abigail*

**Physics**

An airplane is flying with a velocity of 220 m/s at an angle of 30.0° with the horizontal, as the drawing shows. When the altitude of the plane is 2.8 km, a flare is released from the plane. The flare hits the target on the ground. What is the angle θ? I found Vox=190...

*Tuesday, October 21, 2014 by Abigail*

**math**

4.5 by 6.12 original drawing want to increase size to 18 by 24. How do I do it?

*Tuesday, October 21, 2014 by Betty*

**Art**

What is an artwork source, because I don't know what to put in that field. Is it where I got the my idea from in my drawing, if so would a book where I got my idea be ok? Thank you

*Monday, October 20, 2014 by Anonymous*

**Physics fun**

A golf ball strikes a hard, smooth floor at an angle of 33.1 ° and, as the drawing shows, rebounds at the same angle. The mass of the ball is 0.0172 kg, and its speed is 59.2 m/s just before and after striking the floor. What is the magnitude of the impulse applied to the ...

*Sunday, October 19, 2014 by Sanz*

**Geometry **

The length of a table is 6 feet on a scale drawing the, length is 2 inches write three possible scales for drawing

*Sunday, October 19, 2014 by Maria *

**Geometry **

a game room has a floor that is 120 feet by 75 feet a scale drawing of the floor grid paper uses a scale of 1 unit:5 feet what are the dimensions o the scale drawing

*Sunday, October 19, 2014 by Maria *

**geometry**

a game room has a floor that is 120 feet by 75 feet a scale drawing of the floor grid paper uses a scale of 1 unit:5 feet what are the dimensions o the scale drawing ***Show steps please I need this by tomorrow***

*Sunday, October 19, 2014 by Maria *

**Physics**

The drawing shows a skateboarder moving at 5.71 m/s along a horizontal section of a track that is slanted upward by 49.8 ° above the horizontal at its end, which is 0.516 m above the ground. When she leaves the track, she follows the characteristic path of projectile ...

*Thursday, October 16, 2014 by Ross*

**AP Giannini**

Dexter makes a scale drawing of his room. In real life, the room is 10' wide and 12'6" long. In Dexter's drawing, the room is 4"wide, what measure should the length be? explain how you figure this out.

*Wednesday, October 15, 2014 by Lily*

**sociology **

Drawing on the ideas of Lenski, Marx, Weber, and Durkheim, what would you say is the biggest challenge facing us as members of modern societies? That is, in what way does modern society pose a problem for people that did not exist when people were living in traditional societies?

*Tuesday, October 14, 2014 by Kirstin*

**Math**

A sphere has a volume of 200m3 . What is the volume of the smallest cube that this sphere would fit inside of? (Hint: try drawing a diagram of a side or top view of this situation)

*Tuesday, October 14, 2014 by Bob*

**child care**

an appropriate sensory motor for a child up to eight month of age is A. touching toys of a different shapes, sizes and texture B. playing with puzzles with a few large pieces C. drawing with crayons or markers D. stringing large bead on a shoelace

*Tuesday, October 14, 2014 by abbey*

**program planning**

An appropriate sensory-motor activity for a child up to eight months of age is A. touching toys of different shapes, sizes, and textures. B. playing with puzzles with a few large pieces. C. drawing with crayons or markers. D. stringing large beads on a ...

*Monday, October 13, 2014 by amanda*

**Statistics and Probability**

Winning the jackpot in a lottery requires that you select the correct three numbers between 1 and 51 and in a another separate drawing you must select the correct single number between 1 and 15. Find the probability of winning the jackpot- The probability of winning the ...

*Monday, October 13, 2014 by Macy*

**statistics**

A box contains 19 red marbles and 19 green marbles. Sampling at random from the box five times with replacement, you have drawn a red marble all five times. What is the probability of drawing a red marble the sixth time?

*Sunday, October 12, 2014 by lucy*

**Math Physics**

A wattmeter shows that a motor is drawing 2200w. What horsepower is being delivered? Is this correct? 2200/746 = 2.95

*Friday, October 10, 2014 by Jay*

**Physics**

A wattmeter shows that a motor is drawing 2200w. What horsepower is being delivered? Is this correct? 2200/746 = 2.95

*Friday, October 10, 2014 by Jay*

**Math**

A bag contains 8 green marbles and 4 blue marbles. If two marbles are drawn in succession without replacing them in the bag, what is the probability of drawing a green marble on the second draw?

*Tuesday, October 7, 2014 by Rhonda*

**(MCV4U) Vectors **

The air velocity of helicopter Hal is 200km/h due west. Hal's ground velocity is 180km/h in the direction N80*W. Determine the wind velocity. Please help! I know i should be drawing a diagram but I am very confused with how to do this question! Thank you!

*Friday, October 3, 2014 by Laura*

**Physics **

The drawing below shows a person who, starting from rest at the top of a cliff, swings down at the end of a rope, releases it, and falls into the water below. There are two paths by which the person can enter the water. Suppose he enters the water at a speed of 18.5 m/s via ...

*Friday, October 3, 2014 by Steven*

**Physics **

A 7300-kg satellite has an elliptical orbit, as in the figure. The point on the orbit that is farthest from the earth is called the apogee and is at the far right side of the drawing. The point on the orbit that is closest to the earth is called the perigee and is at the far ...

*Friday, October 3, 2014 by Steven*

**Physics**

The drawing below shows a person who, starting from rest at the top of a cliff, swings down at the end of a rope, releases it, and falls into the water below. There are two paths by which the person can enter the water. Suppose he enters the water at a speed of 18.5 m/s via ...

*Friday, October 3, 2014 by Steven*

**Physics**

A 7300-kg satellite has an elliptical orbit, as in the figure. The point on the orbit that is farthest from the earth is called the apogee and is at the far right side of the drawing. The point on the orbit that is closest to the earth is called the perigee and is at the far ...

*Friday, October 3, 2014 by Steven*

**Math**

the scale drawing of a billboard is 21ft wide and 10.5ft high, what is its scale?

*Thursday, October 2, 2014 by Anonymous*

**ph**

A gymnast is swinging on a high bar. The distance between his waist and the bar is 1.15 m, as the drawing shows. At the top of the swing his speed is momentarily zero. Ignoring friction and treating the gymnast as if all of his mass is located at his waist, find his speed at ...

*Thursday, October 2, 2014 by alika*

**Physics**

The drawing shows two boxes resting on frictionless ramps. One box is relatively light and sits on a steep ramp. The other box is heavier and rests on a ramp that is less steep. The boxes are released from rest at A and allowed to slide down the ramps. The two boxes have ...

*Thursday, October 2, 2014 by Steve *

**chem**

Which of the following ions contains lone pair of electrons at the central atom? A) SO4 2- B) NO3 - C) IO3 - (Is there any ways without drawing the diagrams and I could still able to figure out the answer???) Thx very much

*Thursday, October 2, 2014 by ivan*

**math**

A game room has a flooring that is 120 feet by 75 feet. A scale drawing of the floor on grid paper uses a scale of 1 unit:5 feet. What are the dimensions of the scale drawing?

*Wednesday, October 1, 2014 by brendan*

**math**

the length of a table is 6 feet. On a scale drawing, the length is 2 inches. Write three possible scales for the drawing.

*Wednesday, October 1, 2014 by brendan*

**E.L.A. PLEASE CHECK!**

Which choice is a complete sentence? A- Especially since the light bulb was invented. B- Except for the last paragraph in the newspaper article. C- A drawing of exceptional beauty and depth. D- Squirrels darted along the telephone wires. My choice is D. Identify the best ...

*Wednesday, October 1, 2014 by Skye*

**physics**

The helicopter in the drawing is moving horizontally to the right at a constant velocity. The weight of the helicopter is W=41600 N. The lift force L generated by the rotating blade makes an angle of 21.0° with respect to the vertical. (a) What is the magnitude of the lift...

*Tuesday, September 30, 2014 by iamstupid*

**Art**

A Stage Set with a Statue and Palace By Unknown artist Q: Because of the use of value change in this image, the artist A. Was able to make the image have no contrast. B. Was able to emphasize only one minute are of the drawing. C. Was able to create the illusion of depth. D. ...

*Monday, September 29, 2014 by Anonymous*

**geometry**

Maurice drew an angle larger than a right triangle. Then he made it into a triangle by drawing a third side. What kind of Triangle did maurice draw?

*Monday, September 29, 2014 by Anonymous*

**stat**

Drawing a spade form a regular deck of playing cards and then drawing another spade from the same deck without replacing the first card is this a independent event?

*Sunday, September 28, 2014 by Anonymous*

**art**

picture is called, A Stage Set with a Statue and Palace by Unknown artist Courtesy of the National Gallery of Art, Washington Question: Because of the use of value change in this image, the artist A. was able to make the image have no contrast. B. was able to emphasize only ...

*Friday, September 26, 2014 by anonymous*

**chemistry**

Use the following values for the arrows in the drawing: a = 185 J of heat; b = 45 J of heat; c = 115 J of work; d = 40 J of work; e = 65 J of work; and f = 190 J of heat. Find the change in the internal energy of object A only. Use the First Law of Thermodynamics Be careful ...

*Friday, September 26, 2014 by korko*

**Physics =/**

Two horizontal forces, and , are acting on a box, but only is shown in the drawing. can point either to the right or to the left. The box moves only along the x axis. There is no friction between the box and the surface. Suppose that = +5.6 N and the mass of the box is 3.1 kg...

*Friday, September 26, 2014 by Sanz*

**Algebra II Honors**

There are some interesting special cases in which the graphs turn out to be parallel, perpendicular, or coincident with the coordinate planes or axes. Sketch a graph of each of the following equations by drawing their traces as in Problem 1. Then tell what the graph is ...

*Wednesday, September 24, 2014 by Crystal*

**physics**

You are riding in the back of an open pick-up truck in the snow as you pass your friend's house. Despite the fact that it is snowing you know that he has a habit of being in his bedroom with the light on and his bedroom window open. Being as you are riding in an open truck...

*Monday, September 22, 2014 by afia*

**Math**

the length of a living room floor in a scale drawing is 8 inches the actual length is 20 feet what is the scale

*Sunday, September 21, 2014 by Amber*

**physics**

A motorcycle daredevil is attempting to jump across as many buses as possible (see the drawing). The takeoff ramp makes an angle θ = 16.8° above the horizontal, and the landing ramp is identical to the takeoff ramp. The buses are parked side by side, and each bus is 2...

*Sunday, September 21, 2014 by Danielle*

**physics**

On a banked race track, the smallest circular path on which cars can move has a radius of 117 m, while the largest has a radius 167 m, as the drawing illustrates. The height of the outer wall is 18 m.

*Saturday, September 20, 2014 by mk*

**physics**

The steel I-beam in the drawing has a weight of 7.10 kN and is being lifted at a constant velocity. What is the tension in each cable attached to its ends? (Assume α = 70.8°.)

*Saturday, September 20, 2014 by mk*

**college algebra**

A jazz group on tour has been drawing average crowds of 600 people. It is projected that for every $1 increase in the $15 ticket price, the average attendance will decrease by 60. At what ticket price will nightly receipts be $7,560?

*Tuesday, September 16, 2014 by Anonymous*

**Calculus**

I do not understand what this question is asking and how to get the result for it: "Suppose we have a metal bar of length L0 metres at temperature T0 in degrees Celsius.When the bar is heated or cooled, the length of the bar changes. The amount that the length changes is ...

*Tuesday, September 16, 2014 by Anonymous*

**Social Studies**

which of these people is an example of an entrepneur? A. Malia started selling jewelry she made in an online store. B. Liam found a summer job walking dogs in his neightborhood. C. Pavel worked hard to learn to speak a foreign language. D. Ophelia took classes in painting and ...

*Monday, September 15, 2014 by chris*

**Physics**

When I work this problem I get an answer different from what's given not sure why? A basketball is launched with an initial speed of 8.8 m/s and follows the trajectory shown. The ball enters the basket 0.98 s after it is launched. What are the distances x and y? Note: The ...

*Sunday, September 14, 2014 by Ben*

**rela**

you will develop a project that communicates to people something about your world. i don't mean planet earth i mean the circumstances in which you find yourself on a daily basis your project should include information about many different parts of your life. you might ...

*Monday, September 8, 2014 by reina*

**CHEMISTRY**

Ch3CN(CH3)C2H5 is my kekule drawing ok? I drew it and uploaded a picture. oi61. tinypic . com/2vmztir.jpg

*Sunday, September 7, 2014 by JESS*

**Sociology**

Drawing on the ideas of Lenski, Marx, Weber, and Durkheim, what would you say is the biggest challenge facing us as members of modern societies? That is, in what way does modern society pose a problem for people that did not exist when people were living in traditional ...

*Tuesday, September 2, 2014 by Jenny*

**Accounting/Math/Exchange rates**

1. Indicate how each of the following international transactions is entered into the U.S. balance of payments with double-entry bookkeeping: a. A U.S. resident imports $500 worth of merchandise from a U.K. resident and agrees to pay in three months. b. After the three months, ...

*Monday, September 1, 2014 by studious*

**Math**

A game has a box containing four marbles - three red and one green. The player draws one marble at a time without replacement until the green marble is drawn. After that, the game is over. The game ends in four different ways. What is the probability of drawing a green marble ...

*Monday, August 25, 2014 by Anonymous*

**Geography**

Which of the following are impacts that the temperate climate has had on Georgia’s development? (1 point) encouraging crops with longer growing seasons drawing immigrants from other locations encouraging tourism all of the above 3. What impacts have precipitation and ...

*Monday, August 25, 2014 by Christina*

**ALGEBRA**

A JAR CONTAINING 3 RED 4 BLUE AND 5 WHITE MARBLES WHATS THE CHANCE OF DRAWING FIRST A RED AND THEN WITHOUT REPLACEMENT A WHITE MARBLE?

*Thursday, August 21, 2014 by TIM*

**math**

9. Three cards are drawn at random from a standard deck of 52 card, without replacement. What is the probability of drawing a 7, drawing a 9, and a king in that order?

*Wednesday, August 20, 2014 by vincent*

**Science **

which of the following are impacts that the temperature climate has had on Georgia's development? A) encouraging crops with longer growing season B)Drawing immigrants from other locations C)encouraging tourism D)all of the above

*Wednesday, August 20, 2014 by Need Help*

**Physics**

When the two 10 km/hr bikes (in the drawing below) are 20 km apart, a bee begins flying from one wheel to the other at a steady speed of 30 km/hr. When it gets to the wheel it abruptly turns around and flies back to touch the first wheel, then turns around and keeps repeating ...

*Tuesday, August 19, 2014 by Annabeth*

**Algebra 1**

On a scale drawing 1/4 in equals 1 foot . If the length of a room on a scale drawing is 5 1/4in , how long is the room ? I just need someone to help me through this problem cause I don't get how to do it at all .

*Saturday, August 9, 2014 by Taylor*

**Geometry**

What is the probability of drawing three red cards, one at a time without replacement, from a standard deck of 52 cards?

*Thursday, August 7, 2014 by me*

**Psyc, statistics**

Introduction to Hypothesis Testing In an article entitled “Science and ethics in conducting, analyzing, and reporting psychological research” in the journal Psychological Science (1994), psychologist Robert Rosenthal examines the relationship between a researcher&#...

*Wednesday, August 6, 2014 by Lyndsay*

**Math**

there are 9 blue marbles, 4 black marbles, 5 white marbles and 6 red marbles. If the probability of drawing a blue marble is now 1/3, how many of the 6 marbles removed were blue?

*Sunday, August 3, 2014 by Jason*

**Physics**

The drawing shows three cylinders that have the same length and cross-sectional areas, but each is made of different material. The cylinders are arranged in series, so that heat is conducted from the left toward the right. The temperatures at the interfaces between the ...

*Sunday, July 20, 2014 by Sam*

**Marry gold english 2**

What does the child in the poem think about his drawing?

*Sunday, June 22, 2014 by R Keerthana*

**physics**

The drawing shows an equilateral triangle, each side of which has a length of 4.53 cm. Point charges are fixed to each corner, as shown. The 4.00 C charge experiences a net force due to the charges qA and qB. This net force points vertically downward and has a magnitude of 779...

*Tuesday, June 17, 2014 by Lindsay*

**physics**

A sailboat race course consists of four legs, defined by the displacement vectors , , , and , as the drawing indicates. The magnitudes of the first three vectors are A = 2.80 km, B = 4.70 km, and C = 4.50 km. The finish line of the course coincides with the starting line. ...

*Tuesday, June 17, 2014 by Anonymous*

**Math**

Assume that you are drawing two balls without replacement from an urn that contains 13 green balls, 10 blue balls, and 1 red ball. What is the probability that you will draw a blue balls and a red ball?

*Thursday, June 12, 2014 by Sarah*