Sunday

December 21, 2014

December 21, 2014

Total # Posts: 75,752

**SS**

What are some examples of economic activities that may not be present in a peninsula?
*November 14, 2014*

**Pre-Calc/Trig**

Identify the asymptotes, removable discontinuities, and intercepts for the graph of the function. d(x)=(x^2-12x+20)/3x
*November 14, 2014*

**Pre-Calc/Trig**

Thank you.
*November 14, 2014*

**Pre-Calc/Trig**

What are the polynomial names for these functions. 1.) m(x)=x+x^2-1 2.) d(x)=x+ 3.14 3.) 2-6x^2+11x^3
*November 14, 2014*

**English**

How about... Europe's forests give opportunity for economic activities such as tourism and timber, and have negative environmental consequences, but the housing industry is primarily affected positively.
*November 14, 2014*

**English**

Is this a good thesis statement? Europe's forests affect economic activity and the housing industry.
*November 14, 2014*

**math**

Josh has been running for 6 min and completes a lap in 7 min. Gabe has been running for 2 min and completes a lap in 9 min. How many more laps must Josh and Gabe complete to have run the same amount of time?
*November 14, 2014*

**PHYSICS**

A 75 kg window cleaner uses a 10 kg ladder that is 7.2 m long. He places one end on the ground 4.5 m from a wall, rests the upper end against a cracked window, and climbs the ladder. He is 5.2 m up along the ladder when the window breaks. Neglect friction between the ladder ...
*November 14, 2014*

**Physics**

A 75 kg window cleaner uses a 10 kg ladder that is 7.2 m long. He places one end on the ground 4.5 m from a wall, rests the upper end against a cracked window, and climbs the ladder. He is 5.2 m up along the ladder when the window breaks. Neglect friction between the ladder ...
*November 14, 2014*

**statistics**

Suppose a restaurant in town serves three fixed price dinners costing $12, $15, and $20. For a randomly selected couple ( Penny = X and Leonard= Y), the joint probability table for their selections is given below. Y p(x,y) 12 15 20 12 .05 .05 .10 15 .05 .10 .35 20 0 .20 .10 a...
*November 14, 2014*

**Physics**

A 1180 kg car rounds a circular turn of radius 19.1 m. If the road is flat and the coefficient of static friction between the tires and the road is 0.67, how fast can the car go without skidding? m/s
*November 14, 2014*

**Physics**

Tarzan tries to cross a river by swinging from one bank to the other on a vine that is 8.2 m long. His speed at the bottom of the swing is 7.2 m/s. Tarzan does not know that the vine has a breaking strength of 1.0 ✕ 103 N. What is the largest mass that Tarzan can have ...
*November 14, 2014*

**lit**

8 9 11 9 10 is this right
*November 14, 2014*

**math**

Dan is making 4 batches of chicken soup. Each batch of soup uses 2/3 cup of rice. How many cups of rice does he need. Is the answer 2 2/3 cups
*November 14, 2014*

**math**

Louis earned 256 helping his mother paint a house. He spent 11/16 of it on a computer program how much did louis spend on the program. Is the annswer 176 on program
*November 14, 2014*

**physics**

a 6.3 kg watermelon is placed at one end of a 7.6 m, 201 n scaffolding supported by two cables. one supporting cable is at the opposite end of the scaffolding, and the other is 1.1 m from the watermelon
*November 14, 2014*

**writing**

Any improvements that I can make to this sentence to make it sound better ? I believe a reconciliation is possible once both sides admit that they cannot function properly without the other.
*November 13, 2014*

**Math**

How to determine your final height
*November 13, 2014*

**chemistry**

What is the balance chemical equation for calcium sulfate and potassium phosphate to form potassium sulfate and calcium phosphate
*November 13, 2014*

**math**

Is the answer 21 hour
*November 13, 2014*

**math**

Gerard baby brother spends 7/8 of his day sleeping. How many hour does his baby brother sleeep
*November 13, 2014*

**Algebra**

A fence needs to be built around a field that is 100 feet long and 50 feet wide. A fence post will be placed in each corner of the field, and fence posts will be placed 10 feet apart around the entire field. Three fasteners are required to attach the fencing material to each ...
*November 13, 2014*

**math**

18 CUPS
*November 13, 2014*

**math**

Is the answer 18
*November 13, 2014*

**math**

Is the answer 21 hours
*November 13, 2014*

**math**

Brittany is making trays of fudge. Her recipe Calls for 2/3 cup of walnuts for each batch of fudge. How many cups of walnuts does she need to make 27 batches of fudge
*November 13, 2014*

**Chemistry 11**

A hydrate of zinc chlorate, Zn(ClO3)2 .xH2O(s) contains 21.5% zinc by mass. Find the value of x. What I've done: Molar mass of Zn: 65.409 g/mol Molar mass of Cl: 2*35.453 =70.906 g/mol Molar mass of O: 6*15.9994 =95.9964 g/mol Total molar mass of Zn(ClO3)2: 232.3114 g/mol ...
*November 13, 2014*

**matha**

What should you do when you can't sleep?
*November 13, 2014*

**science**

3NaHCO3(s) + C6H8O7(s) = 3CO2(g) + 3H2O(l) + Na3C6H5O7(aq) Who is the limiting reactant if you had 100g each of sodium bicarbonate and citric acid?
*November 13, 2014*

**science**

If you put hydrogen peroxide on a cut, you’ll notice that it bubbles. The bubbles are diatomic oxygen which is effectively “sterilizing” the wound. If you had 10 g of H2O2, how many grams of oxygen would you form on the cut.
*November 13, 2014*

**math**

Monique needs to rent a car while on vacation. The rental company charges $18.95, plus 16 cents for each mile driven. If Monique only has $50 to spend on the car rental, what is the maximum number of miles she can drive?
*November 13, 2014*

**Trig/Pre-Calc**

Okay, thank you.
*November 13, 2014*

**Trig/Pre-Calc**

Solve the polynomial equation. 15x^3-119x^2-10x+16=0
*November 13, 2014*

**math**

Identify the number that does not belong with the other three: 9/20, 45/100, 45%,8/45. Explain the reason.
*November 13, 2014*

**Business Analytic**

The spreadsheet below gives some of Redstone’s production cost data. Enter this data in your own Excel spreadsheet. (Remember our discussion of Smith Farms in the Attend session!) Add columns 5, 6, 7, and 8 to show, respectively, average fixed cost (AFC), average variable...
*November 13, 2014*

**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 ...
*November 13, 2014*

**Chemistry**

Ohh yeah I think I was typing too fast haha, thank you very much for taking so much time to help me. One final question though, because I am calculating the [HI] which 2-2x, would my answer be, 2-2(0.947) = 1.89M ?
*November 13, 2014*

**Chemistry**

i know this is kind of a stupid question... but I get divide it by 19 on both sides to get X on its own right? so x = 0.947 with sig figs. 0.95?
*November 13, 2014*

**Chemistry**

2HI <==> H2 + I2 Keq = 81.0 A 2.00L container is initially filled with 400 mol HI. Calculate the [HI] at equilibrium. This is what I did so far... HI = 4.00/2 = 2M ___2HI___<==>___H2___I2_ I 2.0M_________----__---- C -2X___________X_____X__ E 2-...
*November 13, 2014*

**physics**

Hahahahahahaha, I have the same exact question.
*November 13, 2014*

**physics**

A 10 kg block slides 4.0 m down a ramp (having a coefficient of kinetic friction of 0.4 everywhere along the ramp) as shown above, then collides with a spring whose spring constant is 250 N/m. What is the maximum compression of the spring?
*November 13, 2014*

**English**

Omg thank you so much
*November 13, 2014*

**English**

How would you describe teachers pushing in a line using metaphors?
*November 13, 2014*

**Physics Help Please!**

An electron of mass 9.11 × 10-31 kg and charge 1.6 × 10-19 C passes through a cathode ray tube with a velocity of 3.7 × 107 m/s. It enters a magnetic field of flux density 0.47 mT at a right angle. What is the radius of curvature of the path in the magnetic ...
*November 13, 2014*

**English....please help**

How can I make it complex and engaging? I need a variety of sentence strucutres
*November 13, 2014*

**English**

Thank you. I do know what they are and I kno how to form one. But the only problem I have here is to make it engaging. For me it sounds dull
*November 13, 2014*

**English**

Im writing a description of a busy school dining hall. One of my paragraphs is as follows : In the snake like queue one of the boys, who had pushed in stood with pride and joy. But not for long. 'You, yes you. Get to the back NOW!' The principle demanded with absolute ...
*November 13, 2014*

**Math: Chi Squared**

I typed my observed values into the matrix and went to stats, tests, c:,.. Enter.. But the TI-83 says Error:domain How can I fix this?
*November 13, 2014*

**Health**

elderly individuals are more likely to break a bone when they fall because many of their bones have become weak due to holes in the spongy bone, which is realted to what condition? ossification osteoporosis scoliosis fracture
*November 13, 2014*

**Health**

a main function of the skeletal system is to protect internal organs allow your body to move store and produce materials all of the above
*November 13, 2014*

**Algebra**

Which is the correct factorization for -3x^5 + 24x^2? -3x^2(x - 2)(x^2 + 2x + 4) -3x^2(x - 2)(x + 2)(x + 2)
*November 13, 2014*

**History PLEASE HELP**

Which ones are true a. Some people in northern Chad are nomadic and raise camels and plant crops in oases due to lack of arable soil. b. In parts of West Africa they are careful not to cut down trees to make arable land. c. Tension exists in Egypt between secularism and ...
*November 13, 2014*

**Physics**

Tarzan tries to cross a river by swinging from one bank to the other on a vine that is 8.2 m long. His speed at the bottom of the swing is 7.2 m/s. Tarzan does not know that the vine has a breaking strength of 1.0 ✕ 103 N. What is the largest mass that Tarzan can have ...
*November 13, 2014*

**history**

how did political machines and bosses take advantage of American People?
*November 13, 2014*

**Chemistry (Equilibrium)**

At high temperature, 0.500 mol of HBR was placed in a 1.00L container where it decomposed to give the equilibrium: 2HBr <==> H2 + Br2 At equilibrium, the [Br2] is 0.0855 mol/L. What is the value of the equilibrium constant? My work: ..2HBr <==> H2 + Br2 I 0.500M...
*November 13, 2014*

**chemistry**

At what temperature will freeze rastor 48.8 g of ethanol C2H5OH (Mr = 46) in dm3 of water (p = 1.86)
*November 13, 2014*

**history**

how did political machines and bosses take advantage of American People?
*November 12, 2014*

**Calculus**

Differentiate. f(x)=cos x/x Is it (-x sin x - cos x)/x^2
*November 12, 2014*

**history**

who were involved progressive reforms and how did they contribute to America?
*November 12, 2014*

**Math**

Patrick drew a map of his neighborhood. He used a scale in which 1 inch equals 2 miles. What distance on Patrick's map should represent the 1.5 miles between his house and the nearest gas station?
*November 12, 2014*

**math for social science**

A bag contains 3 red marbles, 1 green one, 1 lavender one, 3 yellows, and 3 orange marbles. HINT [See Example 7.] How many sets of five marbles include at least two red ones?
*November 12, 2014*

**history**

11. By the 1840s the canals were outdone by the _____________________ in ability to move people and goods across distances quickly and inexpensively.
*November 12, 2014*

**calculus**

A ball is thrown 12 meters in the air (so that the initial up-and-down distance is 24 meters). The ball rebounds 95% of the distance it falls. What is the total vertical distance traveled by the ball before it stops bouncing?
*November 12, 2014*

**Calculus**

Find the equation of the tangent line to f(x)=x sec x at ((pi/4),(pi•sqrt 2)/4). Please check my derivative .. Is it (sin^2(x)+ 1)/cos^3 (x)?
*November 12, 2014*

**Reading**

James Baldwin's eloquent, forceful style has given his work its wide recognition... Which of the following statements best summarizes the main idea of the passage?
*November 12, 2014*

**chem**

All the oxygen gas from a 22.0-L container at a pressure of 72.2 kPa is added to a 18.0-L container of hydrogen at a pressure of 150. kPa. After the transfer, what is the partial pressures of hydrogen?
*November 12, 2014*

**Biology*STUCK***

cfrytuyguh
*November 12, 2014*

**geometry**

Find the value of x. Then classify the triangle by its angles. 60 X 60
*November 12, 2014*

**math**

If the ratio is students in a class is 8 to 5 and there are 135 more boys then how many girls are in the class
*November 12, 2014*

**stats**

if 60 % of all women are employed outside the home find the probability that in a sample of 20 women at least 10 are employed
*November 12, 2014*

**Physics**

A car starts from rest and travels for 5.9 s with a uniform acceleration of +1.3 m/s2. The driver then applies the brakes, causing a uniform acceleration of -1.7 m/s2. The breaks are applied for 1.60 s. (a) How fast is the car going at the end of the braking period? 2.6 m/s (b...
*November 12, 2014*

**Pre-Calc/Trig**

thank you.
*November 12, 2014*

**Pre-Calc/Trig**

State the domain and range for each function. y=2x^2/(x^2-1) domain: ? range: ?
*November 12, 2014*

**worl history**

The Indonesian name for Borneo is
*November 12, 2014*

**Algebra**

The dimensions of a rectangle are such that it's length is 9 in. more than its width. If the length were doubled and if the width were decreased by 4 in., the area would be increased by 110 in^2. What are the length and width of the rectangle?
*November 12, 2014*

**biology**

if a color blind woman marries a man with normal vision,how do you set up punnett square?
*November 12, 2014*

**chemistry**

a student measures the conductivity of a KNO3 solution and determines it to be a strong electrolyte.what species are in solution?
*November 12, 2014*

**English**

It would be b
*November 12, 2014*

**English**

Which question help the reader indetify the verb modifiers in a simple sentence? a.which,what kind of ,how many,how much b.how,when,where,why,to what degree,how often c.what, whom d. to whom, for whom I am think a
*November 12, 2014*

**Pre-Calc/Trig...**

Thank you.
*November 12, 2014*

**Pre-Calc/Trig...**

Write a function with the following characteristics: A vertical asymptote at x=3 A horizontal asymptote at y=2 An x-intercept at x=-5
*November 12, 2014*

**English**

What personification and metaphors can I use to describe a lunch dinner hall? Any help would be very much appreciated Thank you
*November 12, 2014*

**Latin**

1.Hodie viis ad Europam ambulamus. Today we will walk on the streets to Europe. 2.Romanas terras pugnis non occupabunt! Romans will not occupy land with fighting! 3.Carro et equo ex provinciis cibum portabamus. We carried food out of the provinces with wagons and horses. 4....
*November 12, 2014*

**math1**

If a line with a slope of -2 crosses the y-axis at (0, 3), what is the equation of the line?
*November 12, 2014*

**math1**

10x+15y=20 -9x-15y=-21
*November 12, 2014*

**Maths**

Stephanie casts a shadow of 1.2 m and she is 1.8 m tall. A wind turbine casts a shadow of 10 m at the same time that Stephanie measured her shadow. Draw a diagram of this situation and then calculate how tall the wind turbine is.
*November 12, 2014*

**physics**

It has been said that sometimes lead bullets melt upon impact. Assume that a bullet with an initial temperature of 295 K receives 73.5 % of the work done on it by a wall on impact as an increase in internal energy. (The melting point of lead is 601 K, the heat of fusion for ...
*November 12, 2014*

**physics**

it's wrong i think, i cannot understand
*November 12, 2014*

**physics**

The R-factor for housing insulation gives the thermal resistance in units of ft2 °F h/BTU. A good wall for harsh climates, corresponding to about 10 in of fiberglass, has R = 45 ft2 °F h/BTU. a) Determine the thermal resistance (in m2 K/W) in SI units. b) Find the heat...
*November 12, 2014*

**Physics**

You're funny haha but thanks
*November 12, 2014*

**Physics**

an astronaut of mass 150 kg is stranded 100 m from the international space station and is at rest relative to it he decides to throw his movie camera of mass 4.5 kg away at a speed of 10 m/s he has 5 minutes of air left in his tank does he make it back in time?
*November 12, 2014*

**Physics**

an object of mass 5 kg has initial speed of 8 m/s it is sliding across an 8 m long table and has a coefficient of friction of .204 with the table sitting at the edge of the table is a 3 kg object at rest the 5 kg object collides and sticks to the 3 kg object if table is 1.2 m ...
*November 12, 2014*

**Early Childhood**

Does the process of attachment last the child's whole life or until the child's needs are met? I think until the child's needs are met; however, my co-worker thinks it should be the child's entire life.I am thinking that a healthy attachment should end at some ...
*November 12, 2014*

**Math Help**

2001
*November 12, 2014*

**writing**

Write a short paragraph that describes a discussion you recently had that demonstrates at least one of the principles of verbal communication. State the principle and explain how it applies to your example. 2.
*November 12, 2014*

**UNION UNIVERSITY**

5
*November 12, 2014*

**Math**

Rules on multiplying Monomial to monomials ; Monomial to Binomial : Binomial to Binomial ; Binomial to Trinomial ?
*November 12, 2014*

**English**

complex sentence connects two equal ideas. connects two simple sentences. contains a clause that is dependent on the main sentence. contains two independent clauses. I am think c
*November 11, 2014*

**English**

A compound sentence contains two simple sentences joined by a coordinating conjunction. This been a better choice for compound sentence has two more subjects or has two more verbs or has both compound subject two simple sentences joined by a coordinating conjunction.
*November 11, 2014*

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