# An axon is the relatively long tail-like part of a neuron, or nerve cell. The outer surface of the axon membrane is charged positively, and the inner surface is charged negatively. The membrane itself has a dielectric constant k ~

39,782 results, page 84
1. ## Chem

why is an understanding of chemistry important in biology? All digestion, nutrition, muscle usage/reactions, cell division/reproduction, and all of the enzymatic processes at work in the body are chemisty. Even eyesight is a chemical reaction. So you need

asked by Samantha on June 18, 2006
2. ## maths-surface area

Cylindrical groove is made in a cylindrical piece of wood of length 17.5cm. The groove is filled with graphite and the cylindrical graphite block is of same length as that of wooden piece. If the diameter of the graphite cylinder is 3mm and outer diameter

asked by anoynomous on March 18, 2013
3. ## comprehension

the grasshopper fell into a hole that was 3 meters wide and 2 meters deep. the grasshopper himself was only 5 centimeters long. over the course of a day he managed to climb 1/4 of a meter. if he continues at this rate how long will it take him to climb out

asked by Lily on September 5, 2014
4. ## Math

a gift store owner used 9 rolls of wrapping paper to wrap his customers' gifts last week. each roll was 58 1/3 inches long. how many gifts did he wrap if a 8 1/3 inch long piece of wrapping paper was used to wrap each gift?

asked by Nicole on October 13, 2015
5. ## geometry

In order to properly design a heating system for a greenhouse, the volume of air in the building needs to be determined. Find the volume of air in the greenhouse below. The length of the building is 40 feet long, the width is 20 feet long, and it is 8 feet

asked by Asics on September 24, 2014
6. ## geometry

4. In order to properly design a heating system for a greenhouse, the volume of air in the building needs to be determined. Find the volume of air in the greenhouse below. The length of the building is 40 feet long, the width is 20 feet long, and it is 8

asked by Scott on March 1, 2013
7. ## painting

28. Van Gogh’s painting Starry Night measures 92 cm long by 73 cm high. You buy a poster that shows an enlargement of the painting. The poster measures 120 cm long by 100 cm high. Is the poster an accurate representation of the painting? (Hint: Is the

asked by miranda on December 29, 2010
8. ## chemistry

2NO+O2->2NO2 a) During a certain interval of time the variation of oxygen O2 moles is -5mol. Calculate the variation of the number of moles of nitrogen monoxide NO and that of nitrogen dioxide NO2 during the same interval of time. b) The duration during

asked by angy on September 20, 2016
9. ## chemistry

"The sun emits UV radiation that can have serious health consequences. In particular, so-called UVB radiation is mostly absorbed by the ozone layer in the upper atmosphere (altitudes of 10 - 50 km), but the part that reaches the earth can cause DNA

asked by Travis on September 14, 2012
10. ## Science help ms sue.

Multiple Choice 1. Which of the following terms refers to an object that orbits the sun and has enough gravity to be spherical but has not cleared the area of its orbit? (1 point) comet asteroid dwarf planet planet 2. Which of the following statements

asked by josh on February 25, 2014
11. ## ms. sue

Multiple Choice 1. Which of the following terms refers to an object that orbits the sun and has enough gravity to be spherical but has not cleared the area of its orbit? (1 point) comet asteroid dwarf planet planet 2. Which of the following statements

asked by could you check these on October 29, 2014
12. ## science

Multiple Choice 1. Which of the following terms refers to an object that orbits the sun and has enough gravity to be spherical but has not cleared the area of its orbit? (1 point) comet asteroid dwarf planet planet 2. Which of the following statements

asked by could you check these on October 29, 2014
13. ## physics

I keep on getting the second part wrong. Can you please tell me where I messed up? Thank you. The lead female character in the movie Diamonds Are Forever is standing at the edge of an offshore oil rig. As she fires the gun, she is driven back over the edge

asked by Lola on June 26, 2015
14. ## algebra 2

Elaine shoots an arrow upward at a speed of 32 feet per second from a bridge that is 28 feet high. The height of the arrow is given by the function h(t) = -16t2+32t + 28, where t is the time in seconds. a. What is the maximum height that the arrow reaches?

asked by Anonymous on April 25, 2016
15. ## Algebra 2

Elaine shoots an arrow upward at a speed of 32 feet per second from a bridge that is 28 feet high. The height of the arrow is given by the function h(t) = -16t2+32t + 28, where t is the time in seconds. a. What is the maximum height that the arrow reaches?

asked by ash on July 28, 2017
16. ## physics

A baseball is hit with a speed of 27 meters per second at an angle of 45 degrees. It lands on the flat roof of a 13 meter tall building. If the ball was hit when it was 1 meter above the ground, what horizontal distance does it travel before it lands on

asked by Bart on November 23, 2011
17. ## math

A low land, 48m long and 31.5 m broad is raised to 6.5 dm. For this, earth is removed from a cuboidal hole, 27 m long and 18.2 m broad, dug by the side of the land. The depth of the hole will be? A man rows 12 km in 5 hrs against the stream, the speed of

18. ## English Expression

How do you pronounce the l sound? Do you know how to say the l sound? Put the front part of your tongue on the gum in your mouth, and let the air pass on both sides of your tongue, saying l. What about the r sound? Can you speak the r sound? What is the

asked by John on April 28, 2008
19. ## inverses

You have 700 sq ft of plywood to make the stage floor. Use A^-1(x) to find the dimensions of both the runway and the main part of the stage. main stage is a rectangle and runway is a square. length of the main stage is 3x o f the runway, the width of the

asked by Laura on November 28, 2016
20. ## Math

Find the area of a regular pentagon if its apothem is approximately 4 ft long and each of its sides are 5.8 ft long. So I tried dividing the pentagon into triangles...but then I came up with the answer 24.41? I know that's not right. Can you hLep me at

asked by Emily on June 4, 2007
21. ## economic

Suppose that Keystone is a firm in perfectly competition ski resort business. If all Keystone’s input price unexpectedly double, and at the same time the product price doubles, what will happen to Keystone profit-maximizing level of output and its profit

asked by Anonymous on April 14, 2009

Hi, this is my assignment. I did make it 30 words long but, I think it's terrible. It's very hard for me to do. Could someone please give me some suggestions as to what to change or improve please? You must draft a lead sentence for your news story about

asked by Music Lover 14 on October 24, 2017
23. ## 9th grade Algebra 1

Van Gogh’s painting Starry Night measures 92 cm long by 73 cm high. You buy a poster that shows an enlargement of the painting. The poster measures 120 cm long by 100 cm high. Is the poster an accurate representation of the painting? (Hint: Is the poster

asked by Mimi&lt;3 on April 14, 2010
24. ## Algebra1

Van Gogh’s painting Starry Night measures 92 cm long by 73 cm high. You buy a poster that shows an enlargement of the painting. The poster measures 120 cm long by 100 cm high. Is the poster an accurate representation of the painting? (Hint: Is the poster

asked by Mimi&lt;3 on April 13, 2010
25. ## physics

A 0.810 m long brass pendulum experiences a 18.0°C temperature increase. (a) Calculate the original period(s). (b) What is the change in the period(s)? (c) Find the ratio of the change in period to the original period, and calculate how long (h) a clock

asked by Justin on July 28, 2013
26. ## college/human biology

Name an example of a cell, tissue, organ, and organ system in the human body that illustrates the concept of increasing complexity of biological organization. For each step forward in biological organization, briefly describe a specific function that is

asked by marie on June 5, 2009
27. ## SCGC

2.) A monthly cell phone plan charges \$5.00 for the first 300 text messages used and \$0.15 for each additional message. On this plan, what is the number of text messages that must be used in a month in order to make the average cost per message \$0.05 ? a.

asked by Gwen on February 19, 2015
28. ## statistics

A quality supervisor for a factory that makes cell phone cases examines a sample of 46 cases. She finds that 8 cases are the wrong size. Which is the best prediction of the number of cases that will be the wrong size in a shipment of 3,000? A.)410 B.)475

asked by Kimberly on May 7, 2014
29. ## statistics

What is the alternative hypothesis for a null hypothesis stating that the average time a person keeps a cell phone is at most three years. Answer: Ha: mu > 3 State the null and alternative hypotheses for the following: You are investigating a complaint

asked by Anonymous on January 26, 2012
30. ## college chemistry

The voltaic cell described by the balanced chemical reaction has a standard emf of 4.05 V. Calculate the equilibrium constant (Kc) for the reaction at 25 oC. Round your answer to 3 significant figures. F2(g) + Mn(s) → 2F-(aq) + Mn2+(aq) Mn2+/Mn -1.18

asked by sparkle on December 3, 2010
31. ## math

There is a slide in the park that is 18 feet long. The ladder to the top of the slide is 7.5 feet long. If the ladder and the slide are perpendicular, what is d, the distance from the top of the slide to the ground? If necessary, round to the nearest tenth

asked by Olivia on February 20, 2015
32. ## Math

An architect is drawing a scale model of a new mall. The real mall will be 1800 feet long. The scale the architect is using is 1 inch is equal to 100 feet. How long will the model be?

asked by Brittany on March 12, 2013
33. ## Math

A rectangular chalk board is 3 times as long as it is wide. If it were 3 metres shorter and 3 metres wider, it would be square. What are the dimensions of the chalk board? 3 meters wide 9 meters long

asked by Rezu on April 25, 2012
34. ## algebra

Two phone companies offer discount rates to students. The first company wants \$9.95 per month plus \$.10 per minute for long distance calls. The second company wants \$12.95 per month plus \$.08 per minute for long distance calls.

asked by mu on January 22, 2014
35. ## math

The point of the minute hand on a church clock travels 180 cm faster than the point of the hour hand in one complete revolution. If the hour hand is 60 cm long how long is the minute hand?

asked by aruna on November 19, 2014
36. ## biology

30. Enzymes function most efficiently at the temperature of a typical cell, which is 37 degrees Celsius. Increases or decreases in temperature can significantly lower the reaction rate. What does this suggest about the importance of temperature-regulating

asked by roger on February 18, 2013
37. ## Math

Cosmic ray bombardment of the atmosphere produces neutrons, which in turn react with nitrogen to produce radioactive carbon-14. Radioactive carbon-14 enters all living tissue through carbon dioxide (via plants). As long as a plant or animal is alive,

asked by Shelia on March 27, 2017
38. ## Physics

A space station, in the form of a wheel 197 m in diameter, rotates to provide an “artificial gravity” of 2.5 m/s2 for persons who walk around on the inner wall of the outer rim. The rate of the wheel’s rotation in revolutions per minute that will

asked by William on December 9, 2016
39. ## Algebra

The life expectancies for men and women in the United States can be approximated by the following formulas: Women: E= 0.126t+76.74 Men: E=0.169t+69.11 where E represents the length of life in years and t represents the year of birth,measured as number of

asked by kim on March 11, 2012
40. ## Chemistry

A radioactive sample contains 3.25 1018 atoms of a nuclide that decays at a rate of 3.4 1013 disintegrations per 26 min. (a) What percentage of the nuclide will have decayed after 159 d? % (b) How many atoms of the nuclide will remain in the sample? atoms

asked by Trixie T on April 17, 2010
41. ## Chemistry

I'm working on a problem that says: A 4.00 gram sample of a mixture of CaO and BaO is placed in a 1.00 L vessel containing Co2 at a pressure of 730 torr and a temperature of 25C. The CO2 reacts with the CaO and BaO forming CaCO3 and BaCO3. When the

asked by Zara on August 13, 2015
42. ## Im very confused and need help- Language Arts

1. The memory of cannon fire fades like evening mists 2. Footsteps echo softly on the grass above me 3.My bride kneels at a stone Part A) After reading the poem, what conclusion can you draw about the speaker? The speaker is a soldier, in his first battle,

asked by Harley on February 22, 2018
43. ## Algebra

Juan’s cell phone company charges \$35 a month for phone service plus \$0.50 for each text message. How many text messages does Juan send in a month if his bill was \$52?

asked by Caleb on December 1, 2017
44. ## EMERGENCY!!!

HELLO! I DON'T KNOW WHAT'S GOING ON WITH ME LEFT HAND. MY PINKY IS SWOLLEN AND I HAVE NO IDEA WHY MY PINKY IS SWOLLEN. I DON'T REMEMBER INJURING MY LEFT HAND OR MY PINKY IN ANY WAY TODAY AND NONE THIS PAST WEEEK. WHEN I BEND MY PINKY I FEEL NUMNESS AND

asked by Mack on November 19, 2007
45. ## statistics

A cell phone service provider has selected a random sample of 20 of its customers in an effort to estimate the mean number of minutes used per day. The results of the sample included a sample mean of 34.5 minutes and a sample standard deviation equal to

asked by timothy kendricks on February 22, 2015
46. ## Physics

Draw the figure. You have the following equations that you can write: a) Sum Vertical Forces=0 b) Sum horizontal forces=0. Remember that at the upper part of the ladder, there is a horizontal force (only). c) Sum of moments about any point, I suggest the

asked by bobpursley on May 31, 2007
47. ## speech/english

this is kinda similar to last nights question We have to write an introduction, thesis, and now part of the body My topic was if I could do anything without getting in trouble, what would it be? My introduction is life is a risk itself, can you imagine how

asked by jerson on April 1, 2009
48. ## Chemistry, PPPLLEASE Help!

Hello, I'm confused on what these problems are telling me. Is questions a) and b) the same? I don't know, please help me I don't know what to do... The inteconversion of DHAP and G3P is a part of both the glycotic pathway and the Calvin cycle for

asked by Krissy on September 25, 2006
49. ## Chem

The apparent equilibrium constant for the reaction A + B 2C is Kc= 4.11 at 298.2 K. Given that the initial concentrations of A, B, and C are .10M, .10M, and zero, respectively, find the equilibrium concentrations of A, B, and C. I had this long, drawn out

asked by Chris on April 16, 2007
50. ## economics

18. (Shifts in the PPF) Terrorist attacks foster instability and may affect productivity over the short and long term. Do you think the September 11, 2001, terrorist attacks on the World Trade Center and the Pentagon affected short- or long term

asked by Gary on August 24, 2010
51. ## Physics

With the engines off, a spaceship is coasting at avelocity of +260m/s through outer space. The ship carries rockets that are mounted in firing tubes, the back ends of which are closed. It fires a rocket straight ahead at an enemy vessel. The mass of the

asked by Cavin on March 1, 2007
52. ## Math

One alloy is 2 parts iron to 3 parts silver and another alloy is 7 parts iron to 3 parts silver. How much of each should be combined to produce a 30 pound alloy that is 1 part iron to 1 part silver?Please show me how to do this

asked by Bob on April 14, 2016
53. ## algebra 1

Fiber-optic cables are used widely to increase the speed and accuracy of data transmission. When light passes through a fiber-optic cable, its intensity decreases with the increase in the length of the cable. If 1700 lumens of light enters the cable, the

asked by nicol on July 26, 2014
54. ## Science

Multiple Choice 1. Which of the following terms refers to an object that orbits the sun and has enough gravity to be spherical but has not cleared the area of its orbit? (1 point) comet asteroid dwarf planet planet 2. Which of the following statements

asked by Cami on November 6, 2015
55. ## Chemistry

Which of the following is true? A. In the human female, ovulation occurs in nine-month cycles. B. Egg cells develop in a structure called the uterus and are released at the rate of one a month. C. Spermatogenesis is the process of fertilization of the egg

asked by Anonymous on April 17, 2017
56. ## calculus

a dvision of sellier industries manufacturers the perfect model cellular phone. the daily cost (in dollars) of producing these cellular phones is C(x) = 0.0002x^3-0.06x^2+120x+5000 where x stands for the number of units produced what is the actual cost

asked by petal on May 1, 2011
57. ## Biology

Which of the following is true? A. In the human female, ovulation occurs in nine-month cycles. B. Egg cells develop in a structure called the uterus and are released at the rate of one a month. C. Spermatogenesis is the process of fertilization of the egg

asked by Anonymous on April 17, 2017

Communist Prison Camp In such prisons the total regimen, consisting of physical privation, prolonged interrogation total isolation from former relationships and sources of information, detailed regimentation of all daily activities, and deliberate

asked by Rob on October 16, 2010
59. ## math

tyson charges \$20 per square foot of rug for a basic design. a client orders one basic rectangular-shaped rug that is 6 feet long and 4 feet wide and one basic rug shaped like a parallelogram that is not a rectangle with a base that is 8 feet long and a

asked by andrea on March 23, 2016
60. ## Physics

Mercury is poured into the open end of a J-shaped glass tube, which is closed at the short end, trapping air in that end. How much mercury can be poured in before the mercury overflows? Assume air to act like an ideal gas. The long and short arms are 1 m

asked by Isabel on February 24, 2010
61. ## Physics

Mercury is poured into the open end of a J-shaped glass tube, which is closed at the short end, trapping air in that end. How much mercury can be poured in before the mercury overflows? Assume air to act like an ideal gas. The long and short arms are 1 m

asked by Isabel on February 23, 2010
62. ## Physics

Mercury is poured into the open end of a J-shaped glass tube, which is closed at the short end, trapping air in that end. How much mercury can be poured in before the mercury overflows? Assume air to act like an ideal gas. The long and short arms are 1 m

asked by I on February 23, 2010
63. ## Math: pre calculus

a barn is 150 feet long and 75 feet wide. the owner has 240 ft of fencing and wants to construct two adjacent outdoor pens of identical size along the long side of the barn using the barn as one side of each pen. the owner wants the pens as large as

asked by crisly on September 11, 2014
64. ## Physics

A boy is whirling around a stone tied at the end of a 0.71 m long string at constant angular speed of 4 revolutions per second in a plane perpendicular to the ground. The string breaks when it is making an angle of 54 degrees above the horizontal and the

asked by Lola on November 27, 2009
65. ## Physics

Mercury is poured into the open end of a J-shaped glass tube, which is closed at the short end, trapping air in that end. How much mercury can be poured in before the mercury overflows? Assume air to act like an ideal gas. The long and short arms are 1 m

asked by Isabel on February 23, 2010
66. ## Math

A student cuts 1/3 of a coil of wire. He then cuts out another piece that was 8 meters long (I assume from the remaining coil). The two pieces of cut off wire are only half the total length of the wire. How long was the coil before the student cut it? I am

asked by Lulu on April 15, 2016
67. ## LANGUGE ARTS HELP ME FIRTS POST EVER

Kathrine Switzer’s Run to Remember 1 Long-distance footraces, known as marathons, are celebrated events in American culture. Hundreds and sometimes thousands of people come together to test their endurance and to take part in good-natured competition.

asked by LALALMAMACASA on November 30, 2017

2NO2(g)--> 2NO(g) + O2(g) , H=+114.2kJ (Note: H, S, G all have a degree sign next to them) NO: H(enthalpy)=90.3kJ/mol, S(entropy)=210.7J/mol*K, G(gibbs energy)=86.6 O2: H(enthalpy)=0, S(entropy)=?, G(gibbs energy)=0 kJ/mol NO2: H(enthalpy)=33.2, S=239.9,

asked by apoorva on February 4, 2008
69. ## SOCIAL STUDIES

1. Which activity is part of both private and civic life? (1 point) learning about politics •• voting for a candidate going to sports games working at a bookshop 2. Why are elections necessary for good governance? (1 point) Elected officials can be

asked by GrimmGamer on October 20, 2016
70. ## physics

1. At some automobile toll-collecting stations, a thin metal wire sticks up from the road and makes contact with cars before they reach the toll collector. What is the purpose of this wire? 2. The leaves of a charged electroscope collapse in time. At

asked by Nicole on July 14, 2010

A bus travel 250km south along a straight path with the average velocity of 84km/h to the the bus stop for 26 min. Then in it travel 240km with avrage 70km/h to the south.How long long did the hold trip take? What is the average velocity of the trip?

asked by taylor on September 20, 2010
72. ## word problems

miguel is 5ft 10 inches tall On a sunny day he casts a shadow of 4ft 2 inches long. At the same time, a nearby electric tower casts a shadow 8ft 9 inches long. How tall is the tower? Please help me set up the equation. Do i use is actual height or his

asked by april on January 16, 2015
73. ## physics

As you hurry to catch your flight at the airport, you encounter a moving walkway that is 85m long and has a speed of 2.2 m/s relative to the ground. If it takes you 68s to cover 85m when walking on the ground, how long will it take you to cover the same

asked by Erin on October 2, 2011
74. ## Chemistry

13. Solid sodium reacts violently with water, producing heat, hydrogen gas, and sodium hydroxide. How many molecules of hydrogen gas are formed when 48.7 g of sodium are added to water? 2Na + 2H2O = 2NaOH + H2 So far I have this much figured out: Mass to

asked by Mitch n' Joey on December 12, 2017
75. ## Chemistry

Which is a possible electrochemical cell, shown in correct notation? A. Cd(s) | Cd2+(aq) || Cu2+(aq) | Cu(s) B. Mg(aq) | Mg2+(aq) || Pb2+(aq) | Pb(aq) C. Ag(s) | Ag2+(aq) || Pb3+(aq), Pb2+(aq) | Pt(s) D. Ag2+(s) | Ag2+(aq) || Pt(s) | Pb3+(aq), Pb2+(aq) E.

asked by Alex Fischer on May 21, 2012
76. ## physics

A model rocket is launched straight upward with an initial speed of 47.7 m/s. It accelerates with a constant upward acceleration of 2.02 m/s2 until its engines stop at an altitude of 157 m. What is the maximum height reached by the rocket? How long after

asked by cat on January 23, 2014
77. ## algebra

2. The equation D=1.2 square h gives the distance, D, in miles that a person can see to the horizon from a height, h, in feet. a. Solve this equation for h. b. Long’s Peak in Rocky Mountain National Park, is 14,255 feet in elevation. How far can you see

asked by kathy on March 23, 2010
78. ## math!

1. a flagpole is 20ft tall and casts a 28ft long shadow . a tree has a shadow that is 49 ft long. how tall is the tree? 2. there are 6 pieces of paper in a box numbered 1 through 6. mark needs to pick a 3 and then a 5 in order to win. the first pick is not

asked by Sara! on May 31, 2010
79. ## English

I left out two exercises for you to check. Thank you very much, Writeacher. By the way, do you say "talk about a topic of your choosing/or of your choice? 1) I ……………………… buy any butter, mum has just bought some. (Shall I include a colon

asked by Matthew on April 16, 2012
80. ## Geography

I have to use the hints given to find out what place is being talked about- 31. "We had our picnic near the capital of this new nation, which used to be the eastern part of Czechoslovakia." ...Slovakia? 32. "The person collecting these samples writes that

asked by mysterychicken on October 13, 2009
81. ## statistic

. For each of the following, assume that the two samples are selected from populations with equal means and calculate how much difference should be expected, on average, between the two sample means. a. Each sample has n _ 5 scores with s2 _ 38 for the

asked by Sharon on November 12, 2012

I'm doing this math test and I have a border line A on my grade I need to make sure I don't lower my grade to a B, so any help is appreciated. Thanks! 7. The probability of winning a game is 25%. How many times should you expect to win if you play 20

asked by Anonymous on May 10, 2018
83. ## Chemistry

Hello, So I have recently done a lab with cobalt(II) nitrate and NaOCl (bleach) and our objective was to determine if colbalt or the bleach is part of the rate determining step. With the lab we have done trials by diluting the colbalt and leaving the

asked by Sherlique on September 26, 2017
84. ## PHYSICS

A boy is whirling around a stone tied at the end of a 0.55 m long string at constant angular speed of 5 revolutions per second in a plane perpendicular to the ground. The string breaks when it is making an angle of 53 degrees above the horizontal and the

85. ## Language Arts

1) What can you infer from this sentence near the start of "The Story Teller"? Most of the aunt's remarks seemed to begin with "Don't," and nearly all of the children's remarks began with "Why" The children have a lot of questions for their aunt. The aunt

asked by Shalee ^~^ on September 30, 2015
86. ## Elements of Structures MIT 2.02

In this problem The composite beam AB, of length L=2m, is free at A (x=0) and fixed at B (x=L) and is composed of a round cylindrical core of constant radius R0=1cm bonded inside a sleeve of thickness R0 (outer radius 2R0=2cm). The beam is loaded, as

asked by 11YearsOldMITStudent on July 28, 2013
87. ## History

Ok i had to do some research and answer some questions about MLK. I did alot of them but couldn't find the rest so can someone help me please. 1.How would this speech be different if it was written from a third person point of view? Does it change the

asked by Tory on January 30, 2009
88. ## English

Writeacher, I urgently need you to revise the introductory part of Chapter 10 (Dr Jekyll and Mrs Hyde). Can you check tenses,please? 1) In Chapter ten Dr Jekyll comes to the realization of the primitive duality of man. He admits that man is not truly one

asked by Matthew on March 18, 2012
89. ## Social Studies

A popular cell phone manufacturer begins selling a new phone with many unique features. Lots of people want to buy the new phone. The old phone cost \$149. What is the most likely price of the new phone? \$79 \$129 \$149 \$199 Is it \$199?

asked by Anonymous on September 18, 2013
90. ## Mathematics

A rare bacterial culture is being grown in a lab. As time passes, the cells multiply in a specific pattern.After 1 day, there is only 1 cell.After 2 days, there are 8 cells.After 3 days, there are 18 cells.After 4 days, there are 31 cells.How many cells

asked by Lay on February 2, 2018
91. ## AED

Discusses the central executive, sensory register, working memory, and long-term memory Reviews the relationship among the central executive, sensory register, working memory, and long-term memory Details how sensation and perception, attention, working

asked by dawn on June 27, 2008
92. ## Math

You pay 3.3 cents per minute for long-distance phone calls on your phone. Your phone bill is \$3.40. Write and solve an equation to find the number of minutes m of long-distance calls you made. A. ; 103 minutes B. ; 11 minutes C. ; 83 minutes D. ; 10

asked by Amelia on April 23, 2014
93. ## rpi

For the stepladder shown in Fig. 12-51, sides AC and CE are each 3.34 m long and hinged at C. Bar BD is a tie-rod 0.662 m long, halfway up. A man weighing 746 N climbs 2.51 m along the ladder. Assuming that the floor is frictionless and neglecting the mass

asked by Anonymous on November 15, 2010
94. ## Science

In order for a child to inherit a recessive genetic disease, like sickle cell anemia, healthy parents must both A. have the disease B. be homozygous for the mutated gene that causes the disease. C. be carries of the mutated gene that causes the disease D.

asked by Anonymous on October 15, 2014
95. ## Calculus

Let f be the function defined as follows. \$ y = f(x) = {\color{red}5} x^2 -{\color{red}9} x +{\color{red}10} \$ (a) Find the differential of f. dy = (b) Use your result from part (a) to find the approximate change in y if x changes from 2 to 1.97. (Round

asked by Ant on June 14, 2013
96. ## science( chem)

Find the pH of a solution prepared by disolving 1.00g of glycine amide hydrochloride (BH+) (mwt=110.54g/mol) plus 1.00g of glycine amide (B)(mwt=74.08) in 0.10L PKa=8.04 I got pH= 8.21 Is that correct? This question actually has 4 extra parts but I wanted

asked by christina on July 22, 2007
97. ## math

2 hours after a given drug has been administered there is only 75% of it left in the body. a. What percentage of it leaves the body every hour (find the hourly decay rate)? b. What is the continuous decay rate? c. How long until 50% has left the body? d.

asked by Lindsey on November 21, 2011
98. ## math help

please explain your answer and how you got it.. Samantha had a board that was 6ft. 8in.long.she cut off a piece that was 2 ft.10in.long.how much board does she have left? A.4ft. 10in B.4ft. 2in C.3ft. 2in D.3ft.10in

asked by mathelp124576 on January 8, 2014
99. ## Physics

Student A is on a 9m high bridge while Student B is on the ground. Student B throws an apple up to Student B with a velocity of 18m/s. How long does it take for the apple to reach student A's hand? if student A is unable to catch the apple, how long would

asked by Sandara on January 24, 2014
100. ## Physics

Student A is on a 9m Hugh bridge while Student B is on the ground. Student B throws an apple up to Student B with a velocity of 18m/s. How long does it take for the apple to reach student A's hand? if student A is unable to catch the apple, how long would

asked by Sandara on January 24, 2014