# Questions Asked onFebruary 8, 2010

1. ## English

Correct the incorrect punctuation and type a semi-colon, colon, em dash, or parenthesis. What can be done about pollution? I know what I must do(and will do--to help reduce pollution. Although, the way I see it, there are at least three things we all

asked by Pam
2. ## Math

Consider the paraboloid z=x^2+y^2. The plane 3x-2y+z-7=0 cuts the paraboloid, its intersection being a curve. What is the "the natural" parametrization of this curve? Hint: The curve which is cut lies above a circle in the xy-plane which you should

asked by Derek A
3. ## Chemistry

Please help me answer this question; The goal of the recrystallization procedure is to obtain purified material with a maximized recovery. For each of the following, explain why this goal would be adversely affected. a) In the solution step, an

asked by Judy
4. ## chemistry

The solubility of compound A in ethanol is 0.8 g per 100 mL at 0°C and 5.0 g per 100 mL at 78°C. What is the minimum amount of ethanol needed to re-crystallize a 12.0 g sample of compound A? How much would be lost in the re-crystallization, that is,

asked by niki
5. ## Physics

A .22 rifle bullet, traveling at 373m/s, strikes a block of soft wood, which it penetrates to a depth of 0.125m. The block of wood is clamped in place and doesn't move. The mass of the bullet is 1.90. Assume a constant retarding force.How much time is

asked by Anonymous
6. ## Chemistry

If an athlete weighs 153lb and has 15.0% body fat by weight, how many pounds of fat does the athlete's body contain?

asked by ana
7. ## statistics

True or False: A zero population correlation coefficient between a pair of random variable means that there is no linear relationship between the random variable.

asked by iyra
8. ## chem

.070g caffeine dissolved in 4 mL water. caffeine is extracted from aqueous solution 3 times with 2mL portions of methylene chloride. calculate total amount of caffeine that can be extracted into the 3 portions. caffeine has a distribution coefficient of

asked by j
9. ## chemistry

calculate the freezing point and osmotic pressure at 25 degrees celcious of an aqueous solution containing 1.0 g/L of a protein (mm=9.0*10^4g/mol) if the density of the solution is 1.0 g/cm^3

asked by heather
10. ## chem

.070g caffeine dissolved in 4 mL water. caffeine is extracted from aqueous solution 3 times with 2mL portions of methylene chloride. calculate total amount of caffeine that can be extracted into the 3 portions. caffeine has a distribution coefficient of

asked by j
11. ## College Physics

A single resistor is wired to a battery. Define the total power dissipated by this circuit as P(initial). What is the Power? Now, a second identical resistor is wired in series with the first resistor. What is the power, in terms of P(initial), dissipated

asked by Lanise
12. ## biology

how have sarcodines built geological features of the environment?

asked by emilie
13. ## math

When making a telephone call using a calling card, a call lasting 3 minutes cost \$1.65. A call lasting 11 minutes cost \$4.85. Let y ba the cost of making a call lasting x minutes using a calling card. Write a linerar equation that models the cost of making

asked by ReRe
14. ## Computer Science

This is the problem: The following HTML code fragment contains a reference to an image file called frog.gif and with alternate text set to froggy, but the code as written contains a number of errors. Write the HTML line correctly. (Note: this problem is

asked by Joseph
15. ## Physics

Two pith balls below each have a mass of 5.0 g and equal charge. One pith ball is suspended by an insulating thread. The other is brought to x = 4.0 cm from the suspended ball. The suspended ball is now hanging with the thread forming an angle of 30.0°

asked by Adam
16. ## grammar

Which is the best way to combine these two sentences? Breathing all that dust was not good for people's health. Many people got sick. a. Breathing all that dust was not good for people's health, and many got sick or b. Breathing all that dust was not good

asked by PJ
17. ## Physics

A rock thrown horizontally from the top of a radio tower lands 20.0 m from the base of the tower. If the speed at which the object was projected was 11.50 m/s, how high is the tower?

asked by Katie
18. ## Physics

How fast must a truck travel to stay beneath an airplane that is moving 139km/hr at an angle of 25° to the ground?

asked by Terrance
19. ## Physics

A flowerpot falls off a windowsill and falls past the window below. It takes the pot 0.42 s to pass this window, which is 1.90 m high. How far is the top of the window below the windowsill from which the flower pot fell?

asked by Drew
20. ## 5th grade

mary had 10 yards 2 feet of ribbon. She needed to cut peices for her 3 friends. If each friend got the same amount of ribbon, how much did each get? In your answer, there cannot be more than 12 inches.

asked by me
21. ## Physics

When the brakes of a certain car are applied, a deceleration of 6.0 sec squared is produced. a) How much time will it take to bring the car to a halt from an initial speed of 110km/hr? b) How far will it travel in that time?

asked by Nina
22. ## geometry honors

precise name of quadrilateral with vertices A(-2,4) B(2,6) C(6,4) D(2,-3)

asked by Jane
23. ## Science

The cause of the seasons on Earth is often mistakenly attributed to the elliptical orbit of Earth around the sun. What is the actual cause of the seasons? Tha actual cause of the seasons is because of the tilt of Earth's axis. please correct me if i'm

asked by Sara
24. ## organic

What product(s) would you expect from the reaction of 1 mol of 1,3-butadiene and 2 mol of Cl2?

asked by adrienne
25. ## POETRY

19. Which one of the following lines best illustrates personification?

asked by Anonymous
26. ## Geography

19. All of the following statements about Brazil's economy are true EXCEPT: a. Because of the development of gasohol, Brazil no longer has to import expensive foreign oil b. Industrial developments have destroyed the middle class c. Jobs in service

asked by y912f
27. ## Math

which objects do not have rotational symmetry. One example would be fine, also could you tell me why it doesn't, thanks :-)

asked by Sara
28. ## Science

The cause of the seasons on Earth is often mistakenly attributed to the elliptical orbit of Earth around the sun. What is the actual cause of the seasons? Tha actual cause of the seasons is because of the tilt of Earth's axis. please correct me if i'm

asked by Sara
29. ## physics

Calculate the acceleration of a 2000-kg, single-engine airplane just before takeoff when the thrust of its engine is 500 N.

asked by iggy
30. ## Chemistry

Write an equation that explains the conductivity of CO2(aq, saturated)

asked by Taylor
31. ## Geography

Please help me on these: 23. How can Bosnia-Herzegovina best be described? a. as a nation of conflicting ethnic groups b. as a unified nation c. as a nation struggling to rebuild Communist ties to Russia d. as a peaceful and prosperous nation A 25. How did

asked by y912f
32. ## math

Jeremy has a fish tank that has a 40-cm by 70-cm rectangular base. The water is 25 cm deep. When he drops rocks into the tank, the water goes up by 2 cm. What is the volume in liters of the rocks

asked by jena
33. ## Science

A farmer planted a field of Bt 123 corn and wants to estimate the yield in terms of bushels per acre. He counts 22 ears in 1/1000 of an acre. He determines that each ear has about 700 kernels on average. He also knows that a bushel contains about 90 000

asked by Justin
34. ## Physics

The graph below represents the relatonship between the potential difference across a metal conductor and the current through the conductor at constant temperature. Potential Difference vs. Current PD vs. C PD---C 2----2 4----4 6----6 8----8 What is the

asked by Priscilla
35. ## Chemistry

A student placed 14.0 of glucose () in a volumetric flask, added enough water to dissolve the glucose by swirling, then carefully added additional water until the 100.- mark on the neck of the flask was reached. The flask was then shaken until the solution

asked by Sherryl
36. ## Chemistry

An element has bcc packing with a body-centered cubic unit cell. Its density is 19300 kg/m3 and the unit cell volume is 3.17 x 10-26 L. Calculate the molar mass (g/mol) of the element to three significant figures. The element rubidium has bcc packing with

asked by Dan
37. ## Math

Use the fundamental counting principle to find the total number of outcomes in each situation. 1.Rolling two number cubes and tossing one coin. = Is the outcome = 4? 2.Choosing from 3 sizes of distilled,filtered, or spring water. = Is the outcome 9? Thanks

asked by Shadow
38. ## Finance

Mrs. Smith borrowed \$20,000 from Last National Bank. She will repay the loan with 5 annual payments and her interest rate is 14%. a) Find the amount of her annual payments. b) What is her loan balance after she has made her 3rd annual payment?

asked by Mary
39. ## chemistry

Describe how to prepare a 1M solution of sodium hydroxide from concentrated sodium hydroxide (17.6 M)

asked by Jay
40. ## Chemistry

Put in order from strongest to weakest: London Dispersion Forces, Hydrogen Bonds, Dipole-dipole interactions, ionic bonding, and covalent bonding.

asked by Lelia
41. ## spanish

what does this say in English despues de haber encontrado todas las palabras escondidas, bosque el refran escondido, haciendo un circulo a las letras apropiadas, de izquierda a derecha.

asked by amber
42. ## statistics

Blossom's Flowers purchases roses for sale for Valentine's Day. The roses are purchased for \$10 a dozen and are sold for \$20 a dozen. Any roses not sold on Valentine's Day can be sold for \$5 per dozen. The owner will purchase 1 of 3 amounts of roses for

asked by iyra
43. ## math

Leslie bought a new car with a sticker price of \$10,356. If she paid 6% sales tax, traded in her old car for \$2,250, and made a 20% down payment, calculate the total amount of the purchase price that she financed.

asked by puppy
44. ## Biology

17. When errors in nucleotide sequencing occur, a. DNA polymerases replaces the incorrect nucleotide with the correct nucleotide b. enzymes dissolve the incorrect nucleotide so DNA polymerase can add the correct one c. purines replace pyrimidines in the

asked by mysterychicken
45. ## math

a pencil, eraser and notebook together cost one dollar. a notebook costs more than two pencils, three pencils cost more than four erasers, and three erasers cost more than a notebook. how much does each item cost

asked by vasumathi
46. ## grade five math

A freight train travel 100km every hour. It passes over a river at 10:00AM. Four hours later, a passenger train passes over the same river. The passenger train travels 150km every hour. When does the passenger train overtake the freight train? How far are

asked by peyton
47. ## Chemistry

Please help !!!! The acid impurity in your unknown was benzoic acid. a) Write an equation for the reaction that occurs during the NaOH extraction. b) Write an equation for the reaction that occurs after the addition of HCL. Thanks.

asked by Amanda
48. ## college

In each of the following cases,explain whether you think the situation is efficient or not.If it is not efficient,why not? What actions would make the situation efficient? Electricity is included in your rent at your dorm. Residents leave

asked by Marcye
49. ## physics

Two pith balls below each have a mass of 5.0 g and equal charge. One pith ball is suspended by an insulating thread. The other is brought to x = 4.0 cm from the suspended ball. The suspended ball is now hanging with the thread forming an angle of 30.0°

asked by Adam
50. ## calc

Suppose the total cost, C(q), of producing a quantity q of a product is given by the equation C(q) = 5000 + 5q The average cost per unit quantity, A(q), equals the total cost, C(q), divided by the quantity produced, q. Find the limiting value of the

asked by kyle
51. ## physics

Block A has a mass of 4.1 kg, and it is on a frictionless surface. A string tied to this mass passes over a frictionless pulley, and is attached to a hanging block (Block B), as shown in the image below. The blocks then accelerate at 2.3 m/s/s. What is the

asked by Anonymous
52. ## math

Find the domain f(x)=1/x-4+4/x+3

asked by ReRe
53. ## Math

A one-story building is 370 ft by 290 ft. If a square patio with sides 27 ft occupies the center of the building, how much area remains for offices?

asked by Ron
54. ## math grade five

A freight train travels 100km every hour it passes over a river at 10:00am four hours later a passenger train passes over the same river the passenger travels 150km every hour when does the passenger train overtake the freight train? How far are they from

asked by peyton
55. ## 7th grade grammar

Writeacher: Juliana looked at the powerpoint on the clauses and she said it was really good, thank you writeacher. She said it helped her a lot. She thinks she might have it now. Thank you SOOOO much!

asked by Juliana's mom
56. ## grammar 7th grade

My daughter has some homework in which she has to identify independent clauses and subordinate clauses as well as indentifying whether the sentence is simple, complex, or compound. I can help her with the last part, but don't know how to help her with the

asked by Juliana
57. ## Science: Physics and Chemistry

I was given a systems equation. Two masses are on a flat frictionless surface tied together. There is a pulley type thing and another mass is hanging over the edge of the table. It is attatched to the other 2 masses. It has no Fn, only Fg because it is

asked by Marina
58. ## Physics

The graph below represents the relatonship between the potential difference across a metal conductor and the current through the conductor at constant temperature. Potential Difference vs. Current PD vs. C PD C 2 2 4 4 6 6 8 8 What is the resistance of the

asked by Priscilla
59. ## Math

A curve is traced by a point P(x,y) which moves such that its distance from the point A(-1,1) is three times the distance from the point B(2,-1). Find the equation of the curve and identity.

asked by Anonymous
60. ## Physics

From the edge of the rooftop of a building, a boy throws a stone at an angle 24.0° above the horizontal. The stone hits the ground 4.40 s later, 104 m away from the base of the building. (Ignore air resistance.) Find the initial velocity of the stone.

asked by Max
61. ## english

I have to do a project on 4 types of writing. Fictional narrative, Personal narrative, Informational writing and Persuasive writing. The project consists of giving characteristics of each, as well as 2 prompts (examples) for each. This is what I have so

asked by Sylvie
62. ## 7th grade grammar

Hey Ms. Sue, thank you for the website. It helped Juliana a lot. She thinks she can figure this out now. Thank you VERY MUCH!!!

asked by Juliana's mom
63. ## Science

For this question : How does the photoperiod differ between the two solstices? wouldn't the solstices be spring and fall?

asked by Sara
64. ## kindergarten

I need to know what a counter is in order to have my child draw a piece of yarn 3 counters long from the needle. What exactly is a counter?

asked by Lee
65. ## physics

A 0.0160-kg bullet traveling horizontally at 396 m/s strikes a 3.95-kg block of wood sitting at the edge of a table. The bullet is lodged into the wood. If the table height is 1.06 m, how far from the table does the block hit the floor?

asked by Sarah
66. ## college physics

Vector A points in the negative x direction. Vector B points at an angle of 27.0 degress above the positive x axis. Vector C has a magnitude of 20 m/s and points in a direction 39.0 degress below the positive x axis. Given that A+B+C=0, find the magnitudes

asked by Jordan
67. ## environmental science

i need to think of ways of how to reduce reuse and recycle waste in a theme park.any help would be great thanks!:)

asked by ESKIE
68. ## math

solve for all real# sin2x(csc2x-2)=0

asked by Anonymous
69. ## spanish

What is the meaning of this lyrics? I have translated this but I do not understand what he is talking about. The lyric meanings are abstract to me. Please help me! Pongamos que hablo de Madrid Allá donde se cruzan los caminos donde el mar no se puede

asked by Leah
70. ## physics

Two pith balls below each have a mass of 5.0 g and equal charge. One pith ball is suspended by an insulating thread. The other is brought to x = 4.0 cm from the suspended ball. The suspended ball is now hanging with the thread forming an angle of 30.0°

asked by Adam
71. ## accounting

the spare parts inventory account shows an unadjusted balance of 450. a physical count shows a blance on hand of 100

asked by jessica
72. ## Biology

A farmer planted a field of Bt 123 corn and wants to estimate the yield in terms of bushels per acre. He counts 22 ears in 1/1000 of an acre. He determines that each ear has about 700 kernels on average. He also knows that a bushel contains about 90 000

asked by Biology
73. ## math

1) initial investment = \$600 annual % rate = ? time to double = ? amount after 10 years = \$19,205.00 19,205 = 600e^(10r) I do not know how to solve for r of find the time to double.

asked by Hannah
74. ## Algebra 2

Hey I am working on math homework that involves "Standard Form to Vertex Form by Averaging." My class is just starting to learn this today, but I am totally lost still on what to do. Can you please help? The formula for this is y=a(x - h)^2 + k the h is

asked by Tessa
75. ## Biochemistry

Hi, In this task for our school, we were requested to investigate a method for testing the amount of caffeine content in coffee. There are 3 main questions as fellows 1. What would be a good method to measure the amount of caffeine in coffee without

asked by Dave
76. ## Math

If I have 27 coins (dimes and nickels) that total \$1.95. How many are dimes and how many are nickels

asked by Pam
77. ## economics

From Table 4-1 in the text, determine how much the demand for Florida Indian River oranges would change as a result of a10 percent increase in the price of Florida interior oranges, and vice versa.

asked by Anonymous
78. ## math

in circle O, chords AB and CD intersect at E. If AE = 3, EB = 4, CE = x, and ED = x-4, what is the value of x?

asked by beau
79. ## Statistics

Five friends go bowling and finish with the following scores. Jim bowls a 129, Bob bowls a 150, Ann bowls a 133, Tom bowls a 162 and Gina bowls a 148. Find Tom's z-score. Treat the data as a population. Don't forget to round to the nearest tenth. The book

asked by John
80. ## math(Please please help!!!)

1) initial investment = \$600 annual % rate = ? time to double = ? amount after 10 years = \$19,205.00 19,205 = 600e^(10r) I do not know how to solve for r of find the time to double.

asked by Hannah
81. ## algebra

Find the missing dimension for each three-dimensional figure to the nearest tenth, given the volume and other dimensions. rectangular pyramid, t=8m, w=4.6m, V=88m cubed

asked by Anonymous
82. ## physics

Calculate the kinetic energy that the earth has because of its rotation about its own axis. For comparison, the total energy used in the United States in one year is about 9.33 109 J. cannot_evaluate cannot_evaluate J (b) Calculate the kinetic energy that

asked by zeta
83. ## Science

What is unique about the photoperiod at the two equinoxes? At the two equinoxes, the photoperiod is equal, it stays the same for both dates?????????? Please help me with this one, I don't think I have it right.

asked by Sara
84. ## Math I

How do you find whether a function is even or odd? Identify the odd function. A)f(x) = 5 B)f(x) = 8x C)f(x) = |x3| D)f(x) = x2 + 7

asked by Cline
85. ## Geography

Need Help! 14. How has Italy's economy changed since 1950? a. Italy has withdrawn from the European Union b. Farming and tourism have become Italy's most important economic activities c. More people are working in manufacturing and service industries d.

asked by y912f
86. ## english stories and discoveries

intiation As opposed to swooping, singing heather birds, in flock, one like the other, all exactly alike." This comparison inspired millicent to 1. join the sorority and be like the other? 2.ask others for assistance? 3. think and act as an individual?

asked by veronica
87. ## Biology

23. A medical condition that can be treated by using proteins produced through genetic engineering is a. depression b. multiple sclerosis c. hemophilia d. all of the above 26. Endosymbiosis best explains the possible evolutionary beginnings of a.

asked by mysterychicken
88. ## Geography

Is this correct? 20. Communist governments in Eastern Europe were established by the a. Poles during the 1800s b. Russians after the Russian Revolution in 1917 c. Soviet Union at the end of World War II d. Soviet Union during the Cold War C?

asked by y912f
89. ## science

I was given a systems equation. Two masses are on a flat frictionless surface tied together. There is a pulley type thing and another mass is hanging over the edge of the table. It is attatched to the other 2 masses. It has no Fn, only Fg because it is

asked by Marina
90. ## Gen Chem II

How many mL of 0.0875 M H2SO4 would you need to exactly neutralize 50.00 mL of 0.135 M NaOH?

asked by KiKi
91. ## Economics305

As a manager of a financial planning business you have two financial planners, Phil and Francis. In an hour, Phil can produce either one financial statement or answer 8 phone calls, while Francis can either produce 4 financial statements or answer 10 phone

asked by Mizzy Kay
92. ## Geography

REPOST Need Help! 14. How has Italy's economy changed since 1950? a. Italy has withdrawn from the European Union b. Farming and tourism have become Italy's most important economic activities c. More people are working in manufacturing and service

asked by y912f
93. ## Physics

At an antique car rally, a Stanley Steamer automobile travels north at 38 km/h and a Pierce Arrow automobile travels east at 51 km/h. Relative to an observer riding in the Stanley Steamer, what are the x- and y-components of the velocity of the Pierce

asked by Max
94. ## Physics

If you can throw a ball vertically upward to a height h = 30.5 m, what is the maximum horizontal range over which you can throw the same ball, assuming you throw it at the same initial speed?

asked by Katie
95. ## Accounting

On January 1, 2005, Lynn Corporation acquired equipment at a cost of \$600,000.

asked by Anonymous
96. ## gr9math

about 99% of the mass of the human body is made up of just six elements. oxygen:65% carbon18% hydrogen:10% calcium:1.5% phosphorus:1.0% Find the mass of each element in a human body iwth mass 60kg. could you please explain to me how to do this? your help

asked by rebecca
97. ## math

Suppose the cost C(q) (in dollars) of producing a quantity q of a product equals C(q) = 500 + 2q +1/5q^2 The marginal cost M(q) equals the instantaneous rate of change of the total cost. Find the marginal cost when a quantity of 10 items are being

asked by kevin
98. ## Gr. 12 English

I'm not sure if the the following sentence have misplaced or dangling modifier errors. "My bike fell over while tying my shoelaces."

asked by AL 87
99. ## chemistry

for face centered unit cell, r=6 find edge in terms of r, face diagonal in terms of r, body diagonal in terms of r, edge=squareroot(8)r face=4r but i don't know how to find body diagonal

asked by blasting
100. ## chemistry

What mass of benzoic acid can be made from a reaction where 4.87g benzyl alcohol is combined with 300mL of bleach? The reaction is conducted in water and dichloromethane. Describe a method of separating the benzoic acid from the sodium chloride byproduct

asked by Chad
101. ## lit

how does juliet respond to Paris'gallantries when she mets him at Friar Laurence's ?

asked by dakota
102. ## Physics

An arrow is shot into the air at an angle of 60.3° above the horizontal with a speed of 20.1 m/s. What are the x- and y-components of the velocity of the arrow 3.4 s after it leaves the bowstring? What are the x- and y-components of the displacement of

asked by Max
103. ## Biology

17. When errors in nucleotide sequencing occur, a. DNA polymerases replaces the incorrect nucleotide with the correct nucleotide b. enzymes dissolve the incorrect nucleotide so DNA polymerase can add the correct one c. purines replace pyrimidines in the

asked by mysterychicken
104. ## Science: Physics and Chemistry

Can someone please help me with this??? I was given a systems equation. Two masses are on a flat frictionless surface tied together. There is a pulley type thing and another mass is hanging over the edge of the table. It is attatched to the other 2 masses.

asked by Marina
105. ## pre cal

how do you determine the domain of the variable in the expression x-6 over 5-x?

asked by becky
106. ## Math

A circle is tangent to the y-axis at y=3 and has one x-intercept at x=1, find the other x-intercept and the equation of the circle. ...And if it's not any trouble, could you please explain how to do get there alongside showing me what to do? Thanks (:

asked by Leslie
107. ## Algebra 2

Hey I am working on math homework that involves "Standard Form to Vertex Form by Averaging." My class is just starting to learn this today, but I am totally lost still on what to do. Can you please help? The formula for this is y=a(x - h)^2 + k the h is

asked by Tessa
108. ## Calculus

Find the points of inflection of the curve below. Round the answers to three decimal places. (Hint: All three are in a straight line.) y= (1+x)/(1+x^2)

asked by Sasha
109. ## Science

How does the photoperiod differ between the two solstices? The Photoperiod becomes longer in summer and it becomes shorter in winter. Please tell me if this is correct, and any other infomation would be appreciated, thanks

asked by Sara
110. ## Math

Field Goals Free Throws --------------------------------------- Number: % : Number : % Taken : Made : Taken : Made ---------------------------------------Lions : 37 1/2%: : 20 : 55% 48 : : : Tigers: 45% : 18 : 66 2/3% 40 : If these are the results of a

asked by Paul
111. ## physics

A uniform electric field of magnitude 333 N/C is directed along the +y-axis. A 6.00 µC charge moves from the origin to the point (x, y) = (-10 cm, -37 cm). A). What is the change in the potential energy associated with this charge? B).Through what

asked by Jan
112. ## more 7th grade grammar

Trying to help my daughter... we have to identify subordinate clauses, identify independent clauses. I can help her with the part about simple, compound and complex, but don't remember the independent and subordinate. Any help would be appreciated. 2.

asked by Juliana's mom
113. ## math

A rocket is stopped 12 feet from a satellite when it begings accelerating away from the satellite at a constant rate of 12 feet per second. The distance between the rocket and the satellite is given by the polynormial P(t)= 6t^2+12. Find the distance

asked by ReRe
114. ## maths

another question ? A is an acute angle and sin A=3/5 calculate the value of tan A ??

asked by Amy
115. ## physics

At t = 0, an automobile traveling north begins to make a turn. It follows one-quarter of the arc of a circle of radius 9.3 m until, at t = 1.38 s, it is traveling east. The car does not alter its speed during the turn. (a) Find the car's speed. ___ m/s (b)

asked by Cindy
116. ## Science

How do you distinguish between a fluid and a non- fluid.

asked by sean
117. ## MLA english question

My professor said "2) Be sure to footnote your writing when necessary. Of course you do not have to footnote general information, and the difference is not always to see! If you're in doubt, footnote a whole paragraph, or even one sentence. By the way, you

asked by Claire
118. ## Math

John had some animals. One-fourth were horses, one-half were cows, and the rest were pigs. He had 8 pigs. How many animals did he have altogether?

asked by Ana
119. ## Algebra 2

It is a beautiful spring day so you decide to go rowing upstream on your favorite river. You row at a constant rate of 1 mile per hour. Suddenly a gust of wind blows your hat off into the water. You watch it float away downstream but since you never really

asked by John
120. ## Algebra 1A

3 with the check mark symbol that goes over 375 divided by 3 that goes over the check mark symbol that goes over 3. Sorry can't remember what that sign is

asked by LeAnn
121. ## Chemistry

Molarity of KMnO4:0.2M Volume of H2O2: 10mL Initial volume 50mL Final Volume: 31.90mL Volume of KMnO4 (new H2O2) Would it be the 31.90mL or do I subtract 50mL-31.90mL= 18.10mL

asked by linda
122. ## Math - Venn Diagrams

How can we solve this using a Venn diagaram? 12 out of 1000 women at age forty who participate in routine screening have breast cancer. 880 out of 1000 women with breast cancer will get positive mammographies. 90 out of 1000 women without breast cancer

asked by Stephanie
123. ## Chemistry

Please help me !! Frequently in the distillation of methanol and water, the methanol distillate appears cloudy. To what might you attribute such an observation? Thanks.

asked by Elizabeth
124. ## Environmental Science

I need a little help on these, i've posted them a few times but i don't get any answers. 29. A common feature of thermal pollution and artificial eutrophication is that they both a. have sources that are difficult to identify and control b. cause large

asked by y912f
125. ## math

Solve the inequality x2 + 7x + 12 < 0.

asked by pat
126. ## math(Urgent)

1) The number of bacteria N in a culture is given by N=250e^kt where t is the time in hours. If N = 280 when t=10 estimate the time required for the population to double in size. 280 = 250e^10k divide by 250 1.12 = e^10k ln 1.12 / 10 = .011 K = 0.11 Now I

asked by Hannah
127. ## Physics

Two trees have perfectly straight trunks and are both growing perpendicular to the flat horizontal ground beneath them. the sides of the trunks that face each other are 1.0m apart. a squirrel makes three jumps, first leaps from the foot of one tree to a

asked by Mary
128. ## Algebra 3

Factor: 12x^3+18x 49-4y^2 x^3+1 8x^3-125 x^3+2x^2+x

asked by Jennifer
129. ## 6 math

Ricky had 2/3 gallon of fruit punch left over from his party. He gave Jason 1/4 gallon the next day. What fraction of a gallon of fruit punch does Riky have left?

asked by sally
130. ## accounting

Which journal would you use if you invested cash in the business?

asked by Anonymous
131. ## calc

Suppose the cost C(q) (in dollars) of producing a quantity q of a product equals C(q) = 500 + 2q +1/5q^2 The marginal cost M(q) equals the instantaneous rate of change of the total cost. Find the marginal cost when a quantity of 10 items are being

asked by ty
132. ## English

I made the changes you suggested to me. Can you please check if my five paragraphs are correct? Thank you very much in advance. 1) In the first chapter Mrs Long tells Mr Bennet that Netherfield has been let by Mr Bingley, a rich young man from the north of

asked by Franco
133. ## math (Urgent)

1) The number of bacteria N in a culture is given by N=250e^kt where t is the time in hours. If

asked by Hannah
134. ## English

We are working on descriptive writing and right now I have to do a whole description on a Old House. Sounds: Screams Howls Whispers Touch: slimy doorknob sticky path dusty windows Sights: broken steps Spider webs on door damaged rooftop Colours: Brown door

asked by Sara
135. ## human service 220

How does data and information support human service organizations? When answering this question, address three of the following: · Planning · Operations · Human resources · Technical resources · Financial planning

asked by Tara
136. ## English 101

Hi, I am having a hard time finding the faulty parallelism, I could see it in my other exercises, but not these. Would you be able to help me with these? Thank you, Dana 1. Arriving at Lake Powell in a thunderstorm, the campers found it safer to remain in

asked by Dana
137. ## Grade2 eng

What is the hidden word in these alphabets? abbceeru Thanks

asked by MONA
138. ## health care ethics

Visit the publications link under the Gender, women and health section on the World Health Organization’s Web site. You can use the following keyword search to visit the required Web page: “WHO, GWH publications.” Select the gender and tobacco fact

asked by Niki
139. ## programming

Having trouble with this program running, can anybody help solve my problem: #include #include #include void draw_x(int width, int height); int main(int argc, char *argv[]){ int width, height; if(argc != 3){ printf("Syntax: this_program width height\n");

asked by Riley
140. ## Math

In a dart game, Jessie hit the bulls-eye on 15 of 20 throws. Based on these results, what are the odds in favor of her hitting the bullseye on her next throw? Answer is 3 to 1, why?

asked by Pam
141. ## physics

A ball is thrown upward from a platform 4.6 m high with a speed of 23 m/s at an angle of 40 o from the horizontal. What is the magnitude of its velocity when it hits the ground?

asked by Katie
142. ## Yr 10 English - Poetry

What were the hobbies (if any) of Nobel Prize winning poet Seamus Heaney? I searched everywhere and couldn't find anything. . .

asked by Emily
143. ## 11th grade

how do you do STOICHIOMETRY?

asked by kewan
144. ## world history

What factor motivated Italy, Germany, and Japanese leaders to foreign policies in the 1930's

asked by Anonymous
145. ## Science

Compare and contrast liquids and gases.

asked by sean
146. ## Economics305

We make choices as consumers every day. Opportunity cost is defined as a person’s "next best alternative" or "the cost of what you give up when you make a choice." Think of a recent decision you made regarding your career. What was your opportunity cost

asked by Mizzy Kay
147. ## science

Why doesn't the cell membrande pinch in to divide the cytoplasm telophase in plant cells?

asked by Kay
148. ## Grammar

Does the following sentence have faulty co-ordination or run-on errors? "Harry Houdini left home at the age of 12, and his real name is Erich Weiss."

asked by alex
149. ## human relations

Studying how people get alone with one another? A. has little use outside the work place. B.can improve a persons personal life C.won't help a worker become more production D.for most people is a difficult thing to do

asked by Amber
150. ## math

The brightness of a light bulb varies inversely as the square of the distance from the source. If a light bulb has a brightness of 300 lumens at 2 ft, what will its brightness be at 10 ft?

asked by claire
151. ## Physics

I have a sheet full of equations, I just don't know which one to use or what type of problem this is. A cannon is on a hill. The hill is 20 m high. The cannon is at an angle of 26 degress. If a cannonball is shot into the valley below. a.) Find the x and y

asked by Jill
152. ## algebra

need a pair of dice where each number from 1 - 12 has an equal chance of being rolled. You have been given the task of designing the new dice for the board game. You are to use two standard cubes (each with six faces) and number them in such a way that the

asked by Delmar
153. ## Business

Why is e-business an important aspect of the strategic planning process?

asked by Mary
154. ## 7th grade science

what wedsite can i find pictures and info. on a arab , chinese and native american astronomer from the 1054.

asked by verone
155. ## Math

During and art contest at my school, me and a classmate each won blue ribbons for 1/3 of the pieces you entered in the contest. You won 2 blue ribbons and my classmate won 3 blue ribbons. Explain how this could be?

asked by Cole
156. ## calc

Find the domain of g(t) = sqrt (3t + 15.)

asked by pete
157. ## physics

If you are initially 1.50 km [E] of home and 0.65 hours later you are 0.75 km [N 45 degrees E] of home, what is your change in displacement?

asked by Megan
158. ## maths

solve algebraically to 2 decimal places : 3(x-2) = x x 3

asked by Amy
159. ## healthcare

compose a list identifying the major components of health communication. who is involved in each component? how does each component promote health communincation? in not utilized, how would it reduce health communincation? provide examples.

asked by nancy
160. ## government

My teacher told me and my class to write a essay on why we would want to live in a capitalist government but I have no idea what to write can you help?

asked by maddie
161. ## math

Find the domain of g(t) = sqrt (3t + 15.)

asked by kevin
162. ## English

Thank you very much for your last corrections. Can you please check these ten more statements? I still have some doubts about the words underlined or in parentheses. 1.She says that Netherfield has been rented (instead of let) by Mr Bingley. 2) He was

asked by Franco
163. ## math

1) The number of bacteria N in a culture is given by N=250e^kt where t is the time in hours. If N = 280 when t=10 estimate the time required for the population to double in size. 280 = 250e^10k divide by 250 1.12 = e^10k ln 1.12 / 10 = .011 K = 0.11 Now I

asked by Hannah
164. ## geometry honors

precise name of quadrilateral with vertices A(-2,4) B(2,6) C(6,4) D(2,-3)

asked by Jane
165. ## prescriptivists

which statement does NOT describe prescriptivists? A} language should be rocorded, not judged. B} language use should follow strict rules. C} language use should never change. D} language use should be judged and evaluted. .The answer i choose is C.

asked by laura
166. ## calculus

how to i evaluate the integral of dx/ (x^2 +9) with a u substitution of x/3? Can someone show this step by step?

asked by sammi
167. ## business studies

how does the sale of fixed assets and retained earnings help in raisihg business finance

asked by james
168. ## u.s historyy

what are some landforms in Gadssen(Gadsden Purchase)is it safe?..Descripition of the types of Business/farming available. and type of community people would get to live with..please help.!

asked by Mee
169. ## math

The brightness of a light bulb varies inversely as the square of the distance from the source. If a light bulb has a brightness of 300 lumens at 2 ft, what will its brightness be at 10 ft?

asked by claire
170. ## chemistry

what should I include in my discussion when writing up my heating substances lab experiment?

asked by ana kay
171. ## Maths

Can anyone solve this eqestion ?? a line passes through (5,-2) and is parallel to y=3x find the equation of the line ??

asked by Amy
172. ## APUSH

How did Wilson get support for his progressive reforms? a.) he acted through a bipartisan coalation of progressives b.) relied on the party loyalty of Democrats c.) could not rely on most Democratic Congressmen to stick with him d.) none of the above

asked by Amber
173. ## calc

Solve the inequality x^2 + 7x + 12 < 0.

asked by sara
174. ## physics

If you are initially 1.50 km [E] of home and 0.65 hours later you are 0.75 km [N 45 degrees E] of home, what is your change in displacement?

asked by Megan
175. ## English

I forgot to include these other three paragraphs. I really hope you can help me with them, too. I thank you all. 6) Elizabeth walks three miles to look after her sister. Mr Darcy feels attracted by her but he says her low connections prevent him from

asked by Franco
176. ## Math

How can we solve this using a Venn diagaram? 12 out of 1000 women at age forty who participate in routine screening have breast cancer. 880 out of 1000 women with breast cancer will get positive mammographies. 90 out of 1000 women without breast cancer

asked by Stephanie
177. ## Org. Chem.

Synthesize 6-(4-tert-butylphenyl)cyclohex-3-enecarbonitrile using (Z)-3-phenylacrylonitrile as your starting material and any other reagents you wish. Please help and an explanation would be greatly appreciated.

asked by CMM
178. ## advance intergraded science

picture of c6h12o6

asked by Anonymous
179. ## Science

How can you demonstrate that finely ground fluids are not fluids.

asked by sean
180. ## science

At what height above the earth is the acceleration due to gravity 12% of its value at the surface?

asked by mia
181. ## Geography

While looking at a political map of Western Europe, answer these questions: 31. What does a solid black line on the map signify? National Boundary 32. Which nations of Western Europe border on the Mediterranean Sea? need help! 33. List the nations that

asked by y912f
182. ## behavioral science

describe briefly the six psychological

asked by amy
183. ## math

how do I figure out the following:52 students take a test and only 3 pass the test what percent of the students passed I need a strategy/show how you got the answer thanks

asked by Mattie
184. ## Social Studies

i NEEDED HELP SOCIAL STUDIES CITIZENSHIP CIVIC BOOKS FOR 4 GRADE

asked by Anonymous
185. ## Math 1

Please also explain how you got the answer if you know it. Thanks. : Solve for x. x2-4x+2 = -2x+5 A) (-1,7) B) (3,-1) C) {-1,7} D. {3,-1}

asked by Talli
186. ## English

Can you please check my tenses. In particular, can you tell me, which tense I shall use when making a summary? Can I say “She says she was going to give a party?” when referring to her own words? Or shall I write “She said she was going to have a

asked by Franco
187. ## English

I forgot to include the following paragraphs for you to correct. Thank you! 1) Unfortunately, Elizabeth overheard his conversation but didn’t take it hard because of her playful manners. 2) Mr Bingley soon fell in love with her. When he was asked which

asked by Franco
188. ## science

explain how the carbon cycle and the nitrogen cycle are connected.

asked by kathy
189. ## Math

Find the slope of a line perpendicular to the line y= 5/3x

asked by ReRe
190. ## math

Find the domain of g(t) = p3t + 15.

asked by ted
191. ## Algebra

Can I simplify this further SQRT( 2 - SQRT(2) )

asked by Bob
192. ## English Lit

Write a poetry explication that describes aspects that typify the work of a poet in Twentieth-century to contemporary poetry

asked by Anonymous
193. ## Hamlet book vs movie

I would just like to get a view of anyone's opinion on Shakespeare Hamlet the book vs the movie starring Mel Gibson and Glen Close...which scenes in the movie do you feel had a greater impact than it did in the book?

asked by Anonymous
194. ## maths

solve : 5x(squared) - 245 = 0

asked by Amy
195. ## Enviromental Science

Estimate the velocity of the groundwater flowing from a point 500 feet from a creek. The point is 50 feet above the surface of the creek and the permeability of the subsurface is approximately 10-5. Approximately how long would it take the groundwater to

asked by Shane
196. ## s.s

how is sweden's economy similar to the united kingdom's economy

asked by Leslie
197. ## MATH

HOW TO TELL if each pair of polygons are diffrent

asked by ALEX
198. ## math

Solve the inequality x^2 + 7x + 12 < 0.

asked by kevin
199. ## algebra1B

The Directions Say "What Is The Solution Of The System Of Linear Equations?" The Question Is: x-y=2 x+y=-3

asked by Kylie
200. ## math(Urgent)

1) The number of bacteria N in a culture is given by N=250e^kt where t is the time in hours. If N = 280 when t=10 estimate the time required for the population to double in size. 280 = 250e^10k divide by 250 1.12 = e^10k ln 1.12 / 10 = .011 K = 0.11 Now I

asked by Hannah
201. ## COM220

Strategies for gathering information Appendix D Is the source the name of the article or the reference who wrote it. What goes in the source box?

asked by jessy
202. ## English

Can you check the very last sentences of the day? 1)The biker wanted to cheer his supporters or wanted to cheer to his supporters? 2) We toasted the New Year or we toasted to the New Year? 3)In order to stress the fact that the children were given very

asked by Franco
203. ## math

i am supposed to solve this word problem using system of quatino methods The annual cost of owning and opearting a car, C dollars, is a linear function of the distance, d kilometers, it is driven. C=md+b the cost is \$4600 for 10 000km and \$9100 for 25

asked by jake
204. ## Algebra 1B

I can not figure out the answer to this problem. (^6)(-7^6+5) I'm not sure if that sign is correct. It's suppose to be the symbol that looks like a check mark and goes over the 6 on left and over the 6+5 on right. Please help

asked by LeAnn
205. ## Science

What is the photoperiod? I wrote: The photoperiod is the length of day. Please tell me if this is correct, thanks

asked by Sara
206. ## english

What is the part of speech for "scheduled" in this sentence? The baby is scheduled for delivery today.

asked by Linda
207. ## math

Please also explain how you got the answer if you know it. Thanks. : Solve for x. x2-4x+2 = -2x+5 A) (-1,7) B) (3,-1) C) {-1,7} D. {3,-1}

asked by Natalie
208. ## english

which phrases are simile, metaphor and personfication in the following paragraph: Our vacation paradise cutting all flour legs from under the dinner table With one deep-water move he unwove the rugs in a moment throwing pints of blood over everything we

asked by Irene
209. ## Algebra 3

Simplify: b^4(1/3b^2)(12b^-8) (12x^2Y^4)(1/2x^5y) (rs)^3(25)^-2(4r)^4

asked by Jennifer
210. ## calc

Let f(x) = x2 + 3x + 2. Find the equation of the line containing (1, f(1)) and (3, f(3)).

asked by k
211. ## Science

I want to see earth in satellite image. I know about google and wikimapia, are there any other sites that have satellite images for you to see for free?

asked by Sara
212. ## english

brother is to mother as fly is to?

asked by Anonymous
213. ## math

If f(x) = 3x + 9 and g(x) = −x2, then find f(g(1)).

asked by kevin
214. ## maths

solve (x+2)(all squared) - (1-x)(all squared) = -5

asked by Amy
215. ## chemistry

what is the type of packing for body centered unit cell? i put A-B-A-B but my answer is wrong

asked by blasting
216. ## math

IF a plane can travel 2.00 x 10 to the power of 3 km in 3.00 hours, what is the velocity in metre/sec.?

asked by arilk
217. ## math

What is the division rule

asked by jerry
218. ## history of technology

Is a mimeograph machine a copy printer? If yes, can you tell me more?

asked by sierra (6th grade)
219. ## math

suppose c is a subset of d and d is a subset of c. if n(c) = 5, find n (d).

asked by chris
220. ## math

jessica had 24 customers open an account during the month, which is 60% of her monthly goal. What is her monthly goal. I came up with 40. am I right?? If not how do I figure this out. The other choices are 36 40 54 60 Thanks to all for your help.

asked by cathy
221. ## 5th grade

how many 2/3s are in 6?

asked by jr
222. ## english

wath is deference?

asked by yamileth
223. ## science

Es cells have the capacity to become almost any kind of human cell. What other medical problems, in addition to nerve regrowth, might be solved by their use

asked by le'lani
224. ## calculus

dh/dx x = 7 , h (x) = (x^-1/2 + 8x)(4 - x^-1)

asked by jeff
225. ## Social Studies

Social studies citizenship civic books so i need 9 books

asked by Anonymous
226. ## math

matrices: A=[-5 4 -6 9 -8 7 4 -3 9] B=[-2 4 -5 8 9 3 5 -2 2] AB=? please show work if you can.

asked by anonymous
227. ## calculus

Compute lim t→2(5t − 2 + (t^2/t − 1)).

asked by pop
228. ## math

Two rational numbers with the sum of 1, product of -6/25 and quotient of -6. ( I have been working on this for a long time but I can't figure it out!)

asked by Bo
229. ## criminal justice

During the middle Ages, defendants could avoid serving a harsh penalty if they were granted

asked by mark
230. ## Physics URGENT

I did a lab on DC circuits, and we calculated the resistance of multiple resistors in parallel. Resistance of Resistor 1 & 2 = 1000 +/- 5% so R1 =1000+/- 50 R2= 1000 +/1 50 i need to calculate R using the equation... R= 1/R1 + 1/R2 I am confused as to what

asked by Katelynn
231. ## trig

2sin(3x-3.14)-1 find the inverse form of this equation

asked by bob
232. ## trig

find all solutions of the equation tan(sq)x=1

asked by claire
233. ## science

what forces would be at work if you were trying to move a 20,000-kg. block of stone?

asked by Anonymous
234. ## science

can someone tell me what is...the ability of a solid object to return to its original size & shape after it has been strecthed. thank you

asked by Margaret
235. ## Computers

Hi, does anyone know the difference between "public int getId()" and "public static int getId()" and when would you use them? thanks

asked by Vanessa
236. ## math

thank you Ms.sue

asked by Anonymous
237. ## Science.

Produced by detergent. _rot_

asked by Grace.
238. ## English

Writing a research paper on anorexia in teens. Can you recommend some good resources?

asked by linda
239. ## english

When refering to a person as another person (ex. My teacher was thie Hitler or all teachers) do i have to underline or italisize Hitler? If not does anything need done to it?

asked by Sarah
240. ## chemistry

give a definition of ionic bonding

asked by lelia
241. ## computer

can u help me in making a "quiz" wid reference by using java.cn u help me as soon as possble

asked by vikria
242. ## To: drwls

Can you please have a moment to look at my other science post which you helped me on, thanks

asked by Sara
243. ## math

(f+g)(1)when f(x)=x+5 and g(x)=x+7

asked by ReRe
244. ## algebra

3y+9

asked by tammy
245. ## college

r=2cm h=20cm

asked by Anonymous
246. ## math

which is less than 3/4 4/5 2/3 6/7 8/10

asked by Anonymous
247. ## marketing

canvass prices before buying

asked by sherilyn
248. ## math

matrices: A=[-5 4 -6 B=[-2 4 -5 9 -8 7 8 9 3 4 -3 9] 5 -2 2] AB=? please show the work if you can.

asked by anonymous
249. ## writing

can any one tell me the pro of oniomania

asked by layla