Abigail

Most popular questions and responses by Abigail
1. Calculus

A 0.2 ml dose of a drug is injected into a patient steadily for 0.75 seconds. At the end of this time, the quantity, Q, of the drug in the body starts to decay exponentially at a continuous rate of 0.2 percent per second. Using formulas, express Q as a

asked on February 6, 2011
2. Art plz help fast!

(On all of these you need to be on internet explorer) 1. Picture: a peasant family cook over a campfire by Bartolomeo Pinelli, it is the first image on web/images The image pictured her is conveying what message to you as the viewer? The family is close

asked on August 17, 2017
3. Calculus

An electrical circuit switches instantaneously from a 2 volt battery to a 20 volt battery 3 seconds after being turned on. Sketch on a sheet of paper a graph the battery voltage against time. Then fill in the formulas below for the function represented by

asked on February 5, 2011
4. Language Arts

Can someone give me some easier questions that can simplify exactly what I am supposed to be answering in this question? The title "Another Evening at the Club" is close in meaning to "Just Another Evening at the Club." Given the events of the story, what

asked on February 28, 2017
5. Ed Tech plz helppppp

What does it mean to troubleshoot your computer? identify problems with your computer and attempt to fix them*** to open your computer to see what's missing from the hard drive to switch the mouse and keyboard plugs to download and print an new computer

asked on August 22, 2017
6. Calculus

Decide if the following function f(x) is differentiable at x=0. Try zooming in on a graphing calculator, or calculating the derivative f'(0) from the definition. f(x) = x^4sin(2/x), if x is not equal to 0, and f(x) = 0 if x = 0. If it is differentiable,

asked on February 23, 2011
7. math helllppppp

Which best describes box and whisker plots? A. they are divided into sections using quartiles and extremes B. they are created by first writing a data set in order from least to greatest C. they show how data are spread out D. all of the above***

asked on August 22, 2017
8. Physics

Figure 10-42 shows a uniform disk that can rotate around its center like a merry-go-round. The disk has a radius of 2.00 cm and a mass of 20.0 grams and is initially at rest. Starting at time t = 0, two forces are to be applied tangentially to the rim as

asked on July 28, 2010
9. Calculus

Identify the coordinates of any local extrema of the function y=e^x - e^(2x).

asked on June 15, 2010
10. Algebra

Check My answers Please- 1. 3(y + 1) for y = 2 a.6 b.9*** c.7 d.8 2. d + g/h for d = 45, g = 18, and h = 9 a.6*** b.7 c.3 d.4 3.The cost in dollars of a class party is 59 + 13n, where n is the number of people attending. What is the cost for 44 people?

asked on November 8, 2017
11. Social Studies plz help me!

What is the main advantage of using money instead of bartering? A. Many more people today use money than bartering to get goods and services.**** B. Not all countries use the same types of money in their economies. C. Money comes in many different values

asked on August 18, 2017
12. Physics

Two resistors have resistances R1 and R2. When the resistors are connected in series to a 12.4-V battery, the current from the battery is 2.13 A. When the resistors are connected in parallel to the battery, the total current from the battery is 9.01 A.

asked on May 11, 2015
13. Algebra

I am totally stuck on this question, can some one help? Come up with and describe two scenarios: one that models a direct variation situation and one that models an inverse variation situation. Do not state explicitly which scenario is which, but provide

asked on January 4, 2017
14. American Government

I need help with this question: Select one of the six organizing principles of the Constitution and apply it to the Bill of Rights. How is that principle supported or limited in the Bill of Rights

asked on March 6, 2017
15. Science helppp

Oxygen moving from the bloodstream into a cell down a concentration gradient is a form of A: osmosis B: endocytosis C: Active transport D: passive transport Is the answer D? •

asked on September 15, 2017
16. science helpppppp again!!

the cell theory was developed by Robert hooke*** developed before microscopes were invented developed only after electron microscopes became widely used developed by many scientists over the years Most Bacteria are unicellular eukaryotes unicellular

asked on September 19, 2017
17. Chemistry

Hi! I am totally stuck on this question: Explain why a cool flame is important to use in heating a solution to dryness. Can you please explain to me exactly why because I really do not understand. thank you!

asked on September 9, 2015

Which of the following organelles coverts light energy into food? lysosome chloroplast*** nucleus ribosome Which of the following shows the correct order of cell organization starting from the least complex Tissue, Organ System, Cell, Organ Organ System,

asked on September 19, 2017

Go to internet explorer and type "lighthouse by by george seurat" (just like that) go to images it is the first one there (blurry lighthouse with boat) To create this lighthouse scene, the artist used organic shapes to create the boat used geometric shapes

asked on September 14, 2017

1. What is one reason why Nigerians remain poor, despite their country’s large oil deposits? A. infrastructure B. subsistence farming C. corruption** D. microcredit 2. Which of the following is most likely to help countries in West and Central Africa

asked on September 15, 2017

(1) in order for an organism to develop specialized tissues the organism must be which of the following A) A Plant B) An Animal C) Unicellular D) Multicellular*** (2) Which foods are lipids found in, and what is their function in the body? A) lipids are

asked on September 19, 2017
22. ss

What is one non-monetary positive incentive for becoming an entrepreneur? (1 point) working long hours earning a profit being your own boss**** organizing productive resources

asked on August 18, 2017
23. Social Studies

Help! I am stuck on this question. Which goal led Israelis and Palestinians into conflict? a) a desire for independence and security b) religious worship at the same temples c) military dominance in the region d) political control of the same national

asked on February 23, 2016
24. Algebra

I have another question that I hope you don't mind answering its - Patricia owned so many posters that she decided to sell 77 of them to her friends. After selling the posters she still had 186 left. Write and solve the equation to find the number of

asked on November 8, 2017
25. Math

Due to evaporation, the water level in Wesley's aquarium dropped 2 cm a week during the first three weeks in July. What integer represents the change in water level during the three-week period? -2 cm. -3 cm. -6 cm.**** -9 cm

asked on August 17, 2017
26. Calculus

A 0.2 ml dose of a drug is injected into a patient steadily for 0.75 seconds. At the end of this time, the quantity, Q, of the drug in the body starts to decay exponentially at a continuous rate of 0.2 percent per second. Using formulas, express Q as a

asked on February 6, 2011
27. Chemistry

How many milliliters of 0.645 M K2CrO4 are needed to precipitate all the silver in 405 mL of 0.190 M AgNO3 as Ag2CrO4?

asked on February 19, 2011
28. Math

A store buys 77 1/2 pounds of mulch in a large shipment. They divided the mulch up into bags that can each hold 2 1/4 pounds of mulch. The store sells one bag of mulch for \$2.25. How many full bags of mulch will the store make? Considering only the full

asked on October 10, 2018
29. HELP plz

A business owner wants to have a rectangular parking lot resurfaced. The lot is 93 feet long by 58 feet wide. Basesd on a cost of \$2.47 per square foot, the owner incorrectly estimated that it would cost \$12,000 to have the lot resurfaced. Which could be

asked on August 16, 2017
30. geometry

Which of these is a step in constructing an inscribed square using technology?

asked on September 24, 2015
31. P.E help plz

the friends you hang out with at school are an example of A. your physical enviroment B. your heredity C. bullying. (D). your social environment***

asked on August 22, 2017
32. physics

a man walks 8km North and then 5km in a. direction 60degrees. find its distance from his starting point

asked on May 22, 2014
33. math

An isosceles triangle of sides 13cm, 13cm, 10cm is inscribed in a circle. What is the radius of the circle?

asked on March 17, 2014
34. Math

An astronaut on the moon drops a rock straight downward from a height of 0.95m. If the acceleration due to gravity on the moon is 1.62m/s, what is the speed of the rock just before it lands?

asked on August 29, 2019
35. Science

A ball is thrown horizontally from the top of a cliff 20m high. If the initial horizontal velocity is 8.0m/s,find how long it takes to reach the horizontal plane at the foot of the cliff.

asked on September 22, 2013
36. Math

Explain how can tell without computing whether the quotient 1/2 divided by 6 is greater than 1 or less than 1 I think it is greater becwuse the number i start with

asked on May 23, 2017
37. Physics

A copper (shear modulus 4.2 x 1010 N/m2) cube, 0.331 m on a side, is subjected to two shearing forces, each of magnitude F = 2.17 x 10 6 N (see the drawing). Find the angle (in degrees), which is one measure of how the shape of the block has been altered

asked on May 1, 2019
38. chemistry

Air bags in cars are inflated by the sudden decomposition of sodium azide (NaN3) by the following reaction. 2 NaN3(s) −→ 3 N2(g) + 2 Na(s) What volume of N2 gas, measured at 1.31 atm and 85.0◦C, would be produced by the reaction of 65.0 g of NaN3?

asked on April 15, 2016

1. What do colonialism and imperialism both require? a) one country giving money to another b) two countries sharing c) two countries working together d) one country ruling another country**** 2.What did West Africans trade to North Africans in exchange

asked on September 20, 2017
40. Calculus

A 0.2 ml dose of a drug is injected into a patient steadily for 0.75 seconds. At the end of this time, the quantity, Q, of the drug in the body starts to decay exponentially at a continuous rate of 0.2 percent per second. Using formulas, express Q as a

asked on February 6, 2011
41. Algebra 1 B

2. How is the graph of y = -6x^2 + 4 different from the graph y = -6x^2? A. It is shifted 4 units to the left. B. It is shifted 4 unites to the right C. It is shifted 4 units up. *** D.It is shifted 4 units down. 3. A model rocket is launched into a large

asked on November 30, 2016
42. math

angela ate at the same restaurant four times. each time she ordered a salad and left a \$5 tip. she spent a total of \$54. write and an equation to find the cost of each salad is not yet solved by the Tiger Algebra Solver.

asked on September 5, 2018
43. Math

What is the value of X if 4x+2=6+2x

asked on July 18, 2019
44. Algebra

I have an exponent properties test tomorrow, its our last one before the final, so its important, but anyways, there is one question on the review that is confusing me. Could you please help? Here it is : (2y2x7)(-xy)(9x-3y) I don't know if the exponents

asked on January 6, 2011
45. Science

Explain the statement the capacitance of a capacitor is 5 microfarad

asked on June 4, 2019
46. life orientetion

Are individuals empowered and do they understand their human rights or when their rights are being violated

asked on May 12, 2016
47. chemistry

how many molecule of sulphur acid is needed to neuralise 5ml of sodium carbonate and 5vl of tetraoxosulphate v acid when calcium is heated at a tempeture of 20 degree centigrade using nickel as catalyst

asked on June 21, 2018
48. chemistry

The fermentation of glucose to form ethanol occurs according to the following chemical reaction: C6H12O6(aq) → 2 C2H5OH(l) + 2 CO2(g) A) If 700 grams of glucose (C6H12O6) are fermented, what is the maximum volume in milliliters of ethanol (C2H5OH) that

asked on November 17, 2016
49. mathematics

AOB is a sector of a circle such that angle AOB=60 degrees Celsius and OB is r units long. the area of AOB is

asked on September 20, 2016
50. Chemistry

Can someone please explain me how to do this problem? A 25mL solution of 0.5 M NaOH is titrated until neutralization into a 50mL sample of HCl. What was the concentration of the HCl?

asked on February 24, 2011
51. math

An isoscelless triangle of sides of 13cm, 13cm, 10cm is inscribed in a circle is inscribed in a circle. What is the radius of the circle?

asked on March 17, 2014
52. chemistry

What mass of ZnCl2 is needed to make 4 L of 1.8 M solution?

asked on December 8, 2011

The Crab pulsar (m=2.00x10^30 kg) is a neutron star located in the Crab Nebula. The rotation rate of the Crab pulsar is currently about 30.0 rotations per second, or 60.0pi rad/s. The rotation rate of the pulsar, however, is decreasing; each year, the

asked on April 15, 2011
54. science

Describe how you will prepare 500cm of 1M nacl

asked on October 3, 2016
55. Algebra 1

In a town, there are 170 teenagers that own portable media players. This is at least 2/3 of all the teenagers in the town. What is the maximum number of teenagers who live in the town?

asked on November 30, 2015
56. Physics

An object is 21 cm in front of a diverging lens that has a focal length of -13 cm. How far in front of the lens should the object be placed so that the size of its image is reduced by a factor of 1.5? my work: 1/di=(1/-13)-(1/21) di=-8.02 m=8.02/21 m=.381

asked on April 8, 2015
57. English

My daughter has a worksheet due tomorrow and is stressing because she read the book Dragonwings and didn't get it at all and doesn't get the worksheet and i cant read it and help her,please help 1)Why doesn't Moon Shadow attend public school?How is he

asked on December 9, 2014
58. Math

The total amount of water in 2 containers is 35quarts. If 7 quarts gets poured from the container with less water into the continer with more water, the container with more water will have 4times as much water as the other container. How many quarts are in

asked on November 1, 2018
59. math

Abigail is 15, and Cynthia is 27. How many years ago was Abigail twice as young as Cynthia?

asked on December 7, 2015
60. Social studies

In this lesson, you have learned about one way that diversity has posed a challenge for the island nation of Cyprus. The Greeks and Turks who share the island have been unable to truly unite as a single nation. Instead, Greek Cypriots administrate much of

asked on November 13, 2018
61. Physics

Hello, I had a question for physics, and I tried it out, however, I got the wrong answer. The Question:If a rock takes 0.750s to hit the ground after being thrown down from a height of 4.80m, determine the rock's initial velocity. My Work : The formula-

asked on October 12, 2016
62. Math

Help, I can't find the pattern rule for this sequence(eg. -6,-3,2,9,18 and the pattern rule is n squared-7) The pattern: 6,28,64,114,178. What's the pattern rule? The pattern: 96,84,64,36. What's the pattern rule? The pattern: 0,24,216,960. What's the

asked on November 2, 2011
63. chemistry

Please judge my answer: Question: 24 mL of 0.39 mol/L acetic acid is titrated with a standardized 0.33 mol/L KOH solution. Calculate the pH of the solution after 17 mL of the KOH solution has been added. Assume the Ka of acetic acid is 1.8 x 10-5. Answer:

asked on April 15, 2008
64. math

find the sale price. round to the nearest cent. 7. regular price: \$57.63 percent of discount: 10% \$63.39 \$5.76 \$51.87 \$57.53

asked on December 2, 2013
65. Calculus

Consider the function f(x)=8.5x−cos(x)+2 on the interval 0¡Üx¡Ü1 . The Intermediate Value Theorem guarantees that there is a value c such that !@#\$%^& for which values of c and k? Fill in the following mathematical statements, giving an interval with

asked on February 5, 2011
66. Calculus

Sorry... Consider the function f(x) = 8.5 x − cos(x) + 2 on the interval 0 ¡Ü x ¡Ü 1. The Intermediate Value Theorem guarantees that there is a value c such that !@#\$%^& for which values of c and k? Fill in the following mathematical statements,

asked on February 6, 2011
67. English

I am supposed to mark the meter using the unaccented (u) and accented (/) marks for the first quatrain of Sonnet 116. Let me not to the marriage of true minds Admit impediments. Love is not love Which alters when alteration finds, Or bends with the remover

asked on August 28, 2019
68. Health

______ nutrients that are needed for growth and repair body tissues Carbohydrates Fats Fiber Protein

asked on October 4, 2018

An astronaut is performing a space walk outside the International Space Station. The total mass of astronaut with her space suit and all lher gear is 127 kg. A small leak develps in her pulsion system and 5.84 g of gas are ejected each second into space

asked on March 3, 2011
70. chemistry

What volume of chlorine gas at 34.0◦C and 1.38 atm is needed to react completely with 9.40 g of sodium to form NaCl? Answer in units of L.

asked on April 15, 2016
71. physics

A ball is thrown horizontally from the top of a building 150 meters high. The ball strikes the ground 56 meters horizontally from the point of release. What is the speed of the ball just before it strikes the ground?

asked on December 9, 2013
72. social studies-Ms. Sue

"Immigrants have frequently been accused of taking jobs from "real" Americans. Politicians who oppose immigrants often use this as a reason. The problem with this argument is that many immigrants work very hard for minimum (or lower) wage that doesn't

asked on October 22, 2007
73. Texas history

Which of the following shows the most evidence if Spanish architecture being preserved Ranches Schools Homes Missions I think it’s missions but it might be homes

asked on October 3, 2018
74. calculus

A ball was tossed into the air. its height, in metres, is given by h(t)= - 4.9t^2 + 6t + 11, where t is time, in seconds. Write an expression that represents the average rate of change over the interval 2

asked on June 15, 2010
75. math

solve each inequality m-78 p+5

asked on November 13, 2018
76. Health

______ nutrients that are needed for growth and repair body tissues Carbohydrates Fats Fiber Protein

asked on October 4, 2018
77. physics

A car is moving down the road with a constant velocity of 20m/s. The car passes by a big billboard. There is a police officer ( motorcycle) at rest behind the billboard. It takes one second to start the motorcycle and start chasing the car. The motorcycle

asked on May 24, 2017
78. Physics

Hello, I had a question for physics, and I tried it out, however, I got the wrong answer. The Question:If a rock takes 0.750s to hit the ground after being thrown down from a height of 4.80m, determine the rock's initial velocity. My Work : The formula-

asked on October 11, 2016

Abby delivers twice as many newspapers as Jillian, and Brandy delivers 50 more papers than Abbey. How many papers does each deliver if the total number of papers delivered is 550?

asked on November 13, 2014

An astronaut is performing a space walk outside the International Space Station. The total mass of astronaut with her space suit and all lher gear is 127 kg. A small leak develps in her pulsion system and 5.84 g of gas are ejected each second into space

asked on March 3, 2011
81. math

Why is it important to simplify radical expressions before adding or subtracting? How is adding radical expressions similar to and different from adding polynomial expressions? Provide a radical expression for your classmates to simplify. In your own

asked on October 11, 2010
82. Physics

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

asked on October 22, 2014
83. Practical English

In which sentence are the italicized words a dangling modifier? A)Flying beneath the cloud, the pilot could see the airport. B)Resting on the sea bottom, the old trunk held coins. C)Arriving ten minutes late, the store was closed for the night. Not knowing

asked on July 21, 2014
84. physics

A body of mass 10kg in air and 4kg in water calculate the volume and its density

asked on January 21, 2014
85. Calculus

A function f(x) is said to have a removable discontinuity at x=a if: 1. f is either not defined or not continuous at x=a. 2. f(a) could either be defined or redefined so that the new function IS continuous at x=a.

asked on February 6, 2011
86. chemistry

Please let me know if my answer to the following question is correct. Question: 25 mL of standardized 0.45 mol/L NaOH is titrated with 21 mL of 0.35 mol/L acetic acid. Calculate the pH of the solution. Answer: Add 25 mL and 21 mL to get 46 mL. Add 0.45

asked on April 15, 2008
87. Geometry

The midpoint of line segment AB is (1,2). The coordinates of A are (-3,6). Find the coordinates of B. I know how to figure out midpoint, but I'm having trouble figuring out how to do this problem. Any help would be appreciated. :)

asked on September 23, 2009
88. geometry

a phone company charges a flat monthly fee of \$15 for cell phone services, plus an additional fee for every minute you talk. in a given month, you are charged \$36 for the 24 minutes you talked( not including the \$15 flat fee.) let the total cost be c(in \$)

asked on October 28, 2011
89. chemistry

represent in the form of equation the reaction of fluorine with the following (1):diamond (2);xenon (3);silica

asked on August 28, 2018
90. Physics

A girl of mass 25kg runs up a stress of total height 3.0m.find the work done against gravity.

asked on March 5, 2017
91. Chemistry

What is the volume of the container needed to store 0.8 moles of argon gas at 5.3 atm and 227°C? (Given: R = 0.08205 l · atm/mol · K)

asked on January 28, 2016
92. economics,life science,math literacy and consumer studies

what career can i persure with these subjects?

asked on November 13, 2014
93. chemistry

Question:A solution of AgNO3 (45 mL/0.45 M) was mixed with solution of NaCl (85 mL/1.35 x 10-2 M) a) Calculate the ion product of the potential precipitate. My answer: mol AgNO3 = M x L = 0.45 M x 0.045 M = 0.02025 mol NaCl = M x L = 0.0135 M x 0.085 L =

asked on April 16, 2008
94. chemistry

Please let me know if my answer to the following question is correct. Question: What is the concentration of a weak base if its Kb = 1.4 x 10-11 and its pH = 8.75? Answer: Converting pH to H^+ concentration using the formula H^+ = 10^-ph, therefore

asked on April 15, 2008
95. Math Shapes

Which figure could result from slicing the cylinder? Choices are ; triangle circle hexagon' octagon Obviously a circle right?

asked on August 16, 2017
96. chemistry

If 700 grams of glucose (C6H12O6) are fermented, what is the maximum volume in milliliters of ethanol (C2H5OH) that can form? (Density of ethanol is 0.79 g/mL)

asked on November 17, 2016
97. physics

A ball is thrown horizontally from the top of a building 150 meters high. The ball strikes the ground 56 meters horizontally from the point of release. What is the speed of the ball just before it strikes the ground?

asked on December 9, 2013
98. Science

A jar contains one half of a kilogram of water. How many grams of water does it have?

asked on June 13, 2011
99. chemistry

Please judge my answer Question:A solution of AgNO3 (45 mL/0.45 M) was mixed with solution of NaCl (85 mL/1.35 x 10-2 M) a) Calculate the ion product of the potential precipitate. b) Would a precipitate form? The Ksp of AgCl(s) is 1.8 x 10-10. Answer: For

asked on April 15, 2008
100. futher maths

find the modulus of the resultant of the velocities 10ms-1 and 8ms-1 inclined at an angle of 60 degree

asked on April 20, 2017

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