Saturday

August 29, 2015
Total # Posts: 83,605

**Integration**

think of it as (x-)^(-1/2) looks like (2x-1)^(1/2) + c or sqrt(2x-1) + c to me
*August 21, 2015*

**Math- Need Help**

You apparently multiplied the first equation by 3 and the 2nd by 4. Your first should have been 15x + 12y = 15 and then 16x + 12y = 20 subtract them x = 5 back into the first: 5x+4y=5 25+4y=5 4y = -20 y = -5 your line of 31x/31= 38/31 makes no sense. Looks like you added the ...
*August 21, 2015*

**llinear programming**

Mountain Laurel Vineyards produces three kinds of wineMountain Blanc, Mountain Red, and Mountain Blush. The company has 17 tons of grapes available to produce wine this season. Acask of Blanc requires 0.21 tons of grapes, a cask of Red requires 0.24 tons, and a cask of Blush ...
*August 21, 2015*

**Algebra 1**

Your cousin is eight years older than your brother three years ago your cousin was twice as old as your brother how old is your cousin now how old is your brother now
*August 21, 2015*

**math**

Water is poured into a right circular cone with a height of 10 cm and diameter of 8 cm until it is three-fourths full. All this water is then poured into an empty cylindrical container with a radius of 5 cm and height of 9 cm. What is the height of the water in the cylinder?
*August 20, 2015*

**Math**

-3 * 1/4
*August 20, 2015*

**math**

Is (x+y)2 equal to (x2+y2)? Explain why or why not using an example to support your answer.
*August 20, 2015*

**Science**

In a scientific experiment, facts, figures, and other evidence gathered through observations are called? A. Data(?) B. Manipulated Variables C. Responding Variables D. Laws
*August 20, 2015*

**The Chemistry of Life Quiz // Just Answers please**

did you figure out if they were right or not?? I have the same answers but I'm afraid I'm wrong.
*August 20, 2015*

**Math**

The present ages of a man and his wife are as 6:4. Five years ago their ages were in the ratio 5:3. What is the age gap of the couple?
*August 20, 2015*

**science**

I need help with an acrostic poems or name fororn for lab sa
*August 20, 2015*

**algebra**

Slope-intercept form y = mx + b (y-y1)/(x-x1) = (y2-y1)/(x2-x1) m = (y2-y1)/(x2-x1)
*August 20, 2015*

**database**

ERD of _ A patient can make many appointments with one or more doctors in the clinic, and a doctor can accept appointments with many patients. However, each appointment is made with only one doctor and one patient. _ Emergency cases do not require an appointment. However, for ...
*August 20, 2015*

**Math**

14-2.6+9
*August 20, 2015*

**Mathematics**

A company manufactures two products X and Y by means of two processes A and B. The maximum capacity of process A is 1750 hours and of process B 4000 hours. Each unit of product X requires 3 hours in A and 2 hours in B, while each unit of product Y requires 1 hour in A and 4 in...
*August 19, 2015*

**Calculus **

(3x |x-2|) / x-2 What is the limit as x approaches 2 from the left side?
*August 19, 2015*

**math**

ek sankhya a b se 40% kam hai b a se kitne pratisat adhik hai
*August 19, 2015*

**crj220**

Taking what appears to be moral behavior and explaining it instead in terms of self-interest is a strategy known as
*August 19, 2015*

**Calculus **

(2x + sin x)/x What is the limit as x approaches zero?
*August 19, 2015*

**Algebra 2**

A store has sales of $500 in their first month. If sales increase at a rate of $10 each month, they can be modeled by this equation: es002-1.jpg Use summation notation to model and evaluate the sales for the first ten years. Explain your steps.
*August 19, 2015*

**Math **

Raquel is mowing her rectangular lawn. The area of her lawn is 800 sq.ft The width of her yard is twice as long as the length of the yard. How wide is her yard? How long is her yard?
*August 19, 2015*

**Physics**

5. A skier wearing a fully-body ski suit of surface area 1.8 m2 is losing heat by convective and radiation processes off the surface of the ski suit at a rate of 95 W. Given that the suit is filled with goose down 15 mm thick with a thermal conductivity of 0.025 Wm−1K&#...
*August 19, 2015*

**Physics**

A concert hall of volume 2000 m3 contains air at a temperature of 25 ◦C and relative humidity 80 %. Given that the density of water vapour in saturated air at 25 ◦C is 22.8 g/m3 and that the temperature and pressure of the concert hall remain constant what mass of...
*August 19, 2015*

**Linear Systems and Statistics**

A camera store sells 40 pairs of binoculars per week on average with a standard deviation of 6. What is the probability that the store will sell more than 52 pairs binoculars in any week? 8.28% 3.57% 7.24% 2.28% 4.55%
*August 19, 2015*

**Math**

NVM its the 3rd choice i got it!!
*August 19, 2015*

**Math**

The mass of Pluto is approximately 1 × 1022 kg, while the mass of Neptune is approximately 1 × 1026 kg. Which of the following is true? The mass of Pluto is approximately one thousand times that of Neptune. The mass of Neptune is approximately one thousand times ...
*August 19, 2015*

**Math **

(05.01)A scale drawing of a living room is shown below: A rectangle is shown. The length of the rectangle is labeled 3 inches. The width of the rectangle is labeled 5.5 inches. The scale is 1 to 30. What is the area of the actual living room in square feet? Round your answer ...
*August 19, 2015*

**Physics**

A bird watcher meanders through the woods, walking 1.07 km due east, 0.533 km due south, and 4.62 km in a direction 50.1 ° north of west. The time required for this trip is 1.451 h. Determine the magnitudes of the bird watcher's (a) displacement and (b) average velocity.
*August 19, 2015*

**physics**

A boy runs 10.3 blocks North, 6.1 blocks Northeast, and 5 blocks West. Determine the length of the displacement vector that goes from the starting point to his final position. Determine the direction of the displacement vector. Use counterclockwise as the positive angular ...
*August 18, 2015*

**Math dimensional anaylsis**

3 ft= 1yd 9*3= 27ft 1hr=60min 3hr=180min 27ft/180min simplify 3ft/20min
*August 18, 2015*

**Environmental Conservation**

Pay attention in Geography 121 and you would know
*August 18, 2015*

**cp biology**

like how u help otheRS?
*August 18, 2015*

**introduction to computers**

you need to install an operating system on a computer that will be sharing files for the company employees. You estimate there eill be as many as 15 users accessing these files at one time. Which operating system is ideally suited for this machine?
*August 18, 2015*

**introduction to computers**

how do you access the context menu for a desktop or a file in windows explorer
*August 18, 2015*

**Algebra**

y=(x^2 + 2)/ (3x^2 - 5) Is the asymptote at x= sqrt. 5/3 y=o
*August 18, 2015*

**Algebra**

Simplify: ∜(8/9a^3) The answer key says 648/(a^3)^(1/4). ??????????
*August 18, 2015*

**Physics**

How Much Work Is Done Against Gravity In Sliding A 500g Object Through 2m Up A Smooth Plane That Is Inclined 30degree To The Horizontal(g=9.8)
*August 18, 2015*

**physics**

An airplane passenger has 150 ml of air in his stomach just before the plane takes off from a sea level airport where the pressure is 1 atm. What volume will this air have at a cruising altitude where the pressure in the man’s stomach has equalized with the cabin pressure...
*August 17, 2015*

**Algebra**

Simplify. (8/9a^3)^(1/4)
*August 17, 2015*

**math**

If the angles of a triangle arc in the ratio of 5:6:7, the triangle is Acute Obtuse Right Isosceles Equilateral
*August 17, 2015*

**PHYSICS**

A hypothetical planet has a mass 1.49 times that of Earth, but the same radius. What is g near its surface?
*August 17, 2015*

**math**

Find the length of the line segment joining the points whose coordinates are (-3,1) and (5,-5)
*August 17, 2015*

**chemistry**

Ethane burns in limited supply of air to give carbon monoxide. What would be the balanced equation for it?
*August 17, 2015*

**Geography**

Thanks
*August 17, 2015*

**Geography**

Which of the following rivers drains into the Atlantic and provides a major international port for Georgia? 1. Flint 2. Cossa 3. Altamaha 4. Savannah
*August 17, 2015*

**english MS.sue help please**

last one An abstract noun names a(n) place thing idea **** am i right
*August 17, 2015*

**english MS.sue help please**

In a short story, the problem that moves the action of the story forward is known as the them conflict *** protagonist am i right
*August 17, 2015*

**english MS.sue help please**

Which of these is a compound noun? flashlight*** birds butter am i right
*August 17, 2015*

**english**

idea then???
*August 17, 2015*

**english**

An abstract noun names a(n) place **** MY ANSWER thing idea
*August 17, 2015*

**Algebra**

Please check this. f(x)= 1/(x-1)^2 - 5 D= all real numbers, x does not equal to -5 R= all real numbers, y does not equal to 1
*August 17, 2015*

**math**

if 22, 73 ,36,26,51 were selected from 1-90 next selection will be what numbers
*August 17, 2015*

**physical science**

the elevators in the landmark tower yokohama japan are among the fastest in the world. they accelerate upward at 3.125 m/s2 for 4.0 seconds to reach their final speed. if these elevators start at rest what is their final speed?
*August 17, 2015*

**uniuyo**

The second and fifth term of a geometric progression are 21 and 567 respectively. Find the first term and the common ratio of the progression
*August 17, 2015*

**CHEMISTRY**

ARRANGE THE FOLLOWING 0.1 M SOLUTIONS IN ORDER OF INCREASING PH
*August 17, 2015*

**Statistics**

dfccfb
*August 17, 2015*

**physics**

a simple pendulum is suspended from the roots of a carriage if the carriage starts moving with an acceleration a ,then in eqilibrium the pendulum makes an angle theta with the vertical given by
*August 17, 2015*

**Math**

I am a four digit number, I am between 2,000 and 3,000 the digit in the ones place is four times as much as the digit in the thousands place. Only one of the digits are the same. The digit in the tens place is one more than the digit in the hundreds place. All of the digits ...
*August 17, 2015*

**answer**

Suppose Meagan needs to drive the truck 10 miles to her new home. a) What is the cost of using Truck A? b) What is the cost of using Truck B?
*August 17, 2015*

**Physics**

During an all-night cram session, a student heats up a 0.332 liter (0.332 x 10- 3 m3) glass (Pyrex) beaker of cold coffee. Initially, the temperature is 19.0 °C, and the beaker is filled to the brim. A short time later when the student returns, the temperature has risen ...
*August 16, 2015*

**Physics**

During an all-night cram session, a student heats up a 0.332 liter (0.332 x 10- 3 m3) glass (Pyrex) beaker of cold coffee. Initially, the temperature is 19.0 °C, and the beaker is filled to the brim. A short time later when the student returns, the temperature has risen to...
*August 16, 2015*

**Physics**

Neutron stars consist only of neutrons and have unbelievably high densities. A typical mass and radius for a neutron star might be 8.1 x 1028 kg and 1.7 x 103 m. (a) Find the density of such a star. (b) If a dime (V = 2.0 x 10-7 m3) were made from this material, how much would...
*August 16, 2015*

**physics**

compare your average speed in the following cases. a. you walk 73.2 m at a speed of 1.2 m/s and then run 73.2 m at a speed of 3.1 m/s along a straight track. b. you walk 1 min. at a speed of 1.2 m/s and then run for 1 min. at 3.1 m/s along a straight track.
*August 16, 2015*

**math**

,where n is a real number.
*August 16, 2015*

**math**

Given z=cos*(delta)+j sin*(delta),show that z^n+1/(z^n)=2cos*n*(delta)
*August 16, 2015*

**Calculus **

As x goes to zero, what is the limit of (( 1/ x+2) -(1/2)) / x? I know the answer is -1/4, but I'm confused on how to get that answer. I think I have to multiply by the reciprocal.
*August 15, 2015*

**Afro**

I wants its solution
*August 15, 2015*

**calc**

A particle moves along the x-axis with velocity v(t) = t^2 − 1, with t measured in seconds and v(t) measured in feet per second. Find the total distance travelled by the particle from t = 0 to t = 2 seconds.
*August 13, 2015*

**Math**

Thanks. :)
*August 13, 2015*

**Math**

Bob works 1 1/2 hours per day and is payed $7 per hour. He works five days a week. How much money does he earn in 7 weeks? My answer is $367.50, am i correct?
*August 13, 2015*

**Math**

alright thanks!
*August 13, 2015*

**Math Probability **

An ant begins at the top of the pictured octahedron. If the ant takes two "steps", what is the probability it ends up at the bottom of the octahedron? Assume a "step" is a journey from one vertex to an adjacent vertex along an edge.
*August 13, 2015*

**Math Probability **

Mario, Yoshi, and Toadette play a game of "nonconformity": They each choose rock, paper, or scissors. If two of the three people choose the same symbol, and the third person chooses a different symbol, then the one who chose the different symbol wins. Otherwise, no ...
*August 13, 2015*

**math**

Write the number 1100 and two ways
*August 13, 2015*

**Physics**

A small aircraft requires a speed of 34.0 m/s in order to take off. What minimum constant acceleration does this require if the aircraft is to be airborne at the end of a 245. meter long runway? I'm not sure how to set up the problem.
*August 12, 2015*

**Physics**

A small aircraft requires a speed of 34.0 m/s in order to take off. What minimum constant acceleration does this require if the aircraft is to be airborne at the end of a 245. meter long runway? I'm not sure how to set up the problem.
*August 12, 2015*

**Math**

For every $4 Halle saves her brother saves $7 determine. Ratio
*August 12, 2015*

**math**

The difference between two numbers is 4 and their sum is -7. What is their product?
*August 12, 2015*

**Math**

Twice the sum of the digits of a positive, two-digit integer is 19 greater than the ones digit. Reversing the digits decreases the number by 18.
*August 12, 2015*

**Math**

If j / k = 32 and k = 3 / 2, what is the value of 1 / 2 j?
*August 12, 2015*

**life orientation**

assess the extent to which bad road use has a direct impact on the physical emotional social and economic aspects to the family the community and the country
*August 12, 2015*

**Math**

t + y = 15 t + y / 2 = 15 2 * t + y / 2 = 15 *2 t + y = 30 w + x = 15 w + x / 2 = 15 2 * w + x / 2 = 15 * 2 w + x = 30 t + y + w + x / 4 30 + 30 / 4 60 / 4 15
*August 12, 2015*

**Math**

The average (arithmetic means) of t and y is 15, and the average of w and x 15. What is the average of t, w, x, and y? (A) 7.5 (B) 15 (C) 22.5 (D) 30 (E) 60
*August 12, 2015*

**Math**

I'm sorry I figured out what I did wrong. (x - 2)^2 = 49 (x - 2) (x - 2) = 49 x^2 - 2x - 2x + 4 = 49 x^2 - 4x + 4 = 49 x^2 - 4x + 4 - 49 = 49 - 49 x^2 - 4x - 45 = 0 (x + 5) (x - 9) = 0 Solution is {-5} , {9}, Answer choice E
*August 12, 2015*

**Math**

If (x - 2)^2 = 49, then x could be (A) -9 (B) -7 (C) 2 (D) 5 (E) 9 (x - 2)^2 = 49 (x - 2) (x - 2) = 49 x^2 - 2x - 2x + 4 = 49 x^2 - 4x + 4 - 4 = 49 - 4 x^2 - 4x = 45 I am not sure what to do from here.
*August 12, 2015*

**algebra 1a**

X-200
*August 11, 2015*

**Maths**

Let ABC be a triangle. Locate the point O inside the triangle ABC such that for points L, M and N lying on its sides AB, BC and CA respectively, triangles BOL, COM and AON have the same area, where LO and BC, OM and AC, NO and AB must be parallel respectively.
*August 11, 2015*

**Math**

subtract them, just like you added: 4x + 10 - (-5x +20) The minus turns (-5x + 20) into the opposite, or 5x - 20 4x + 10 + 5x - 20 9x - 10
*August 11, 2015*

**DC/AC Electronics**

In a series RL circuit, the highest component voltage drop will be across the component with the _ resistance or reactance.
*August 11, 2015*

**need help**

thank you
*August 11, 2015*

**need help**

There are 205 students in the middle school. If 41 students are girls in 8th grade, what percent of the middle school do the girls in 8th grade represent?
*August 11, 2015*

**art**

A anger b excitement c sorrow d content
*August 11, 2015*

**art**

Thanks to the use of art, this artist was able to communicate the feeling of
*August 11, 2015*

**Chemistry**

if the rate of a certain reaction is 6M/hr at 273K, what would be the predicted rate at 278k with activation 30kj/mol
*August 11, 2015*

**ITT**

In the following diagram, a ray of light is incident on an air-glass boundary. The index of refraction of air is 1, and the index of refraction for the glass is 1.4. What is the angle of the reflected ray, and what is the angle of the refracted ray?
*August 11, 2015*

**physics **

a sled is moving up a slope that makes an angle θ of 5.00◦ with respect to the horizontal. The coefficient of kinetic friction between the sled and the snow is μk = 0.0500. What is the magnitude of the acceleration of the sled as it moves up the slope?
*August 11, 2015*

**physics**

The drawing shows a skateboarder moving at 6.87 m/s along a horizontal section of a track that is slanted upward by 51.9 ° above the horizontal at its end, which is 0.616 m above the ground. When she leaves the track, she follows the characteristic path of projectile ...
*August 11, 2015*