Annie

Most popular questions and responses by Annie
1. Spanish

Please help me work this out with the future verb tense. Completa el párrafo con el futuro de los verbos de la lista. No es necesario usar todos los verbos. asustarse casarse conseguir escribir estar hacerse olvidar ser tener terminar Nunca (1) ____lo que

asked on February 13, 2018
2. Chemistry

How do I prepare 100mL of 10g/L HCl from concentrated HCl(37%HCl, density 1.19g/mL) Is it 2.28mL of conc HCl dilute to 100mL with water? Please show the calculation steps.

asked on February 16, 2012
3. English

Choose the function of the italicized infinitive phrase. 1.May I have permission to use the car tonight? 2.He went to Europe to study architecture. 3.I want to go with you to the store. 4.Can you give me a place to put my things? 5.To help you is my

asked on November 4, 2013
4. math

It takes a ship 3 hours to cover 72 km with the current and 4 hours against the current. Find the speed of the ship in still water and the speed of the current.

asked on March 19, 2017
5. math

A motorboat covers the distance from one pier to the other pier in 4 hours and the way back in 5 hours. What is the speed of the boat in still water, if it covers 70 km with the current in 3.5 hours?

asked on March 17, 2017
6. English

What is the gerund phrase and noun function of the gerund in these sentences: 1.Brett earns his income by repairing cars. 2.I enjoy playing the piano. 3.Her favorite pastime is entertaining friends. 4.She is successful in mimicking others' voices. 5.He

asked on November 4, 2013
7. Chemistry

1) Prepare 100mL of 10%w/w HCl from 37%concentrated HCl(density of 37%HCl =1.19g/ml) 2) Prepare 100mL of 10%w/v HCl from 37% concentrated HCl(density of 37%HCl=1.19g/ml) Can you please show the calculation steps for 1) & 2)? Is 10%w/v HCl the same as

asked on March 12, 2012
8. math

What is the area of a quadrilateral ABCD, if AB = 5 cm, BC = 13 cm, CD = 9 cm, DA = 15 cm, AC = 12 cm?

asked on May 15, 2017
9. Math Help- Areas!!!!

For problems 4-5, find the surface area of the cylinder in terms of pi. (cylinder is 18 cm high and 14 cm wide) A. 350 pi cm2 B. 896 pi cm2 C. 602 cm2 D. 644 pi cm2***? (cylinder is 20 inches high and 18 inches wide) A. 396 pi in2 B. 522 pi in2 C. 360 pi

asked on May 19, 2016
10. computer

1. Default tab stops are set in Word every _______ inch. A. 1 B. 1/2 C. 1/4 D. 3/4 2. Once you've saved a block of text or graphics for easy insertion in other documents, you'll see it in the _______ gallery. A. Photo Space B. ClipArt C. Multimedia Online

asked on August 10, 2015
11. Chemistry

How do you draw the lewis strusture for Cyanogen(C2N2)

asked on May 12, 2011
12. math

the 10th term of an arithmetic series is 34, and the sum of the first 20 terms is 710, determine the 25th term.

asked on January 3, 2012
13. Physics

The drawing shows a jet engine suspended beneath the wing of an airplane. The weight W of the engine is 12000 N and acts as shown in the drawing. In flight the engine produces a thrust T of 54200 N that is parallel to the ground. The rotational axis in the

asked on October 21, 2012
14. Chemistry

A 30.0-ml sample of 0.165 M propanoic acid is titrated with 0.300 M KOH. What is the pH at 5 ml of added base, at 10 ml of added base?

asked on March 19, 2013
15. Chemistry

Zinc and sulfur react to form zinc sulfide according to the equation Zn+S=>ZnS a) How many grams of ZnS will be formed? b) How many grams of the excess reactant will remain after the reaction is over?

asked on March 8, 2012
16. physics

The drawing shows an extreme skier at bottom of a ski jump. At this point the track is circular with a radius r. Two forces act on the skier, her weight mg and the normal force FN. Which relation describes how the net force acting on her is related to her

asked on February 26, 2011
17. chemistry

Write a balanced equation for the reaction of liquid bromine with chlorine gas.

asked on November 29, 2016
18. model multiplication

jillian's garden, there are 3 rows of carrots, 2 rows of beans and 1 row of peas. there are 8 plants in each row. how many plants are there in all?

asked on October 3, 2014
19. Social Studies

Which of the following was the provision in the Treaty of Paris in 1763? a. All French land in North America was to be given to England b. All French land in North America was to be given to Spain c. All French lands west of the Mississippi and Louisiana

asked on September 8, 2016
20. Chemistry

Identify the longest, shortest, strongest, and weakest bonds? A. H3C-C---C-H B. (H3C-H)>----

asked on November 5, 2017
21. Geography

Which adaptions did early humans make during the last ice age in order to survive varied environments? Select all that apply. A. created religions to offer sacrifices to gods B. made shelters out of available materials C. worked in larger networks of

asked on October 10, 2018
22. Math

Write each expression using a single exponent 1. x^9/x^2 a)x^11 b)x^7

asked on May 30, 2016
23. Maths

kuldeep had a sum of money. He saved 1/4 of it. He spent 4/9 of the remaining on suitcase. a) What fraction of his money sent on suitcase? b) What fraction of his money was left?

asked on May 2, 2017
24. Chemistry

I found the following procedure to prepare starch indicator solution on a website:- To prepare starch indicator solution, add 1 gram of starch (either corn or potato) into 10 mL of distilled water, shake well, and pour into 100 mL of boiling, distilled

asked on October 6, 2010
25. physics imperfect spring

The force required to compress an imperfect horizontal spring an amount x is given by F= 150x+12x^3, where x is in meters and F in newtons. If the spring is compressed 2.1 m, what speed will it give to a 4.0 kg ball held against it and then released?

asked on May 21, 2009
26. math

The bases on a baseball diamond are 90 feet apart. How far is it from home plate to second base? Please explain

asked on March 12, 2013
27. Math

A set of n = 15 pairs of X and Y scores has SSX = 10, SSY = 40, and SP = 30. What is the slope for the regression equation for predicting Y from X?​ 10/30 10/40 40/10 30/10

asked on December 15, 2017
28. science(physics)

Why a minibus is more likely to topple over when the roof rack is heavily loaded than when the roof rack is empty?

asked on January 17, 2017
29. Physics

A 0.03-kg bullet is fired vertically at 200m/s into a 0.15-kg baseball that is initially at rest. The bullet lodges in the baseball and, after the collision, the baseball/bullet rise to a height of 37m. (a). What was the speed of the baseball/bullet right

asked on February 14, 2013
30. math

Given: ABCD is a parallelogram AM , BN − angle bisectors DM = 4 ft, MN = 3 ft Find: The perimeter of ABCD

asked on May 15, 2017
31. chemistry

LiF, BeF2, PCl3, CCl4, F2 1. which is likely to conduct electricity when aqueous: 2. which is most likely to be a gas in room temp. 3. which is likely to be very soluble in water 4. which is a polar molecule? may have more than one answer

asked on March 19, 2015
32. math

Start from 110 feet away, a person on a bicycle rides towards a checkpoint and then passes it. The rider is travelling at a constant rate of 30 feet per second. The distance between the bicycle and he checkpoint is given by the equation d = |110 - 30t|. At

asked on October 23, 2014
33. math

Jamal got a job working on a assembly line in a toy factory, on the 20th day of work, he assembled 137 toys, he noticed that since he started , every day he assembed 3 more toys then the day before , how many toys did jamal assemble all together during his

asked on January 3, 2012
34. social studies

what did the actions of the border ruffians demonstrate about the slavery debate? select all that apply a. that opposing sides would resort to violence b. that abolitionists would triumph by using the press c. that settlers would follow the laws d. that

asked on March 16, 2018
35. History

what idea emerged as a result of the protestant reformation is also reflected in modern democratic governments a. self-government* b. religious tolerance c. humanism d.censorship

asked on October 5, 2018
36. chemistry

Calculate whether or not a precipitate will form if 1.40 mL of 0.62 M NH3 are added to 4.4 L of 1.0 10-3 M FeSO4.

asked on March 19, 2013
37. Maths

sarika prepared squash from tomato,carrot,apple juices. 1/3 of the squash was tomato juice and 2/3 of the remainder was carrot juice. 315 ml of squash vs carrot juice. what volume of the squash was apple juice?

asked on May 3, 2017
38. math

A simple fractal tree Grows in stages. A each new stage, two new line segments branch out from each segment at the top of the tree. The first five stages are shown. How many line segments need to be drawn to create stage 20? Stage 1- 1 Stage 2 - 3 Stage 3

asked on January 10, 2012
39. math

what is a boldface digit and how do you find its value

asked on October 30, 2008
40. chemistry

O2 effuses at a rate that is _____ times that of Xe under the same conditions. rate 02/rate x2 = ?

asked on June 21, 2013
41. Algebra

The value of a new car decreases by 35% in the first year. If a car costs \$9,800 when new, how much less would it be worth at the end of the first year?

asked on February 7, 2017
42. Math

A set of X and Y scores has SSX = 20, SSY = 10, and SP = 40. What is the slope for the regression equation?​ 4.0 2.0 0.25 0.50

asked on December 15, 2017
43. Chemistry

An ion exchange process may be used to remove ions causing hardness of water. Outline how this works. 1. Ca2+ and Mg2+ are the ions that cause the hardness of water, one example of softening the water is to react the hard water with NaCO3 (Sodium

asked on May 30, 2009
44. math

what are the coordinates of the shadow cast on the xy plane by a small object placed at the point (10,7,20) assuming that the sun's rays are parallel to the vector (5,3,-2)

asked on January 31, 2015
45. Chemistry

How much faster does nitrogen monoxide (NO) effuse in comparison to dinitrogen tetraoxide (N2O4)

asked on May 18, 2018
46. math

A rhombus ABCD has AB = 10 and m∠A = 60°. Find the lengths of the diagonals of ABCD.

asked on May 15, 2017
47. English

Which sentences are correct? 1) Are you able to assist me on this matter? I would appreciate your assistance on this matter. OR 2) Are you able to assist me in this matter? I would appreciate your assistance in this matter. Thanks.

asked on December 22, 2010
48. MATH

A study is conducted to compare the average square footage of homes in different communities. If squares are drawn so that their areas are in proportion to the average square footage, is the resulting graph misleading? Why or why not?

asked on April 9, 2019
49. world history

In Aztec society, women were (Choose all that are correct).

asked on October 12, 2017
50. Science

a)How much work is required to lift a 35-kg object from the ground 3.0 m into the air? b) How much gravitational potential energy did this object gain?

asked on June 6, 2014
51. Calc and Vectors

The owner of an orange grove estimates that 150 orange trees per acre will each yield on average 800 oranges per year. For each additional tree planted per acre the number of oranges produced by each tree decreases by 10 per year. How many trees should be

asked on January 22, 2014
52. Math

What is the doubling time of prices which are increasing by 5 percent per year?

asked on September 19, 2012
53. Math

Dieter deposists \$ 9000 inoan account that pays 10%/a compunded quarterly, after 3 threes the inerest rate changes to 9%/a compounded semi-annually, calculate the value of his investments 2 years after this change

asked on January 11, 2012
54. Chemistry

How to prepare 100mL of 3% w/w Hydrogen Peroxide from 30% w/w Hydrogen Peroxide?Specific Gravity of 30%w/w Hydrogen Peroxide is 1.11g/mL. Can you please show the calculation steps? Thanks.

asked on February 18, 2012
55. Math

A man walks 3 miles due east, then 4 miles due north, then five miles due east. How far is he from his starting point?

asked on October 25, 2015
56. math

In a class, every student knows French or German (or both). 15 students know French, and 17 students know German What is the smallest possible number of students in that class?

asked on February 11, 2017
57. math

The deck of a swimming pool had the same width all the way around. The perimeter of the pool is 50m. The outside perimeter of the deck is 74m. What is the width of the deck?

asked on May 12, 2014
58. english

What grammatical structure is the italicized portion of the sentence? By serving as a popcorn vendor, Don saw many good games. appositive?

asked on November 4, 2013
59. Algebra 2

Amelia is documenting the height of sunflower plants each week. She has determined the function to be f(x) = 3x + 3, where x represents time and f(x) represents the height of the plant. Which of the following options describes the restrictions to the

asked on March 4, 2017
60. math

Sherry is playing the integer game and is given a chance to discard a set of matching cards. Sherry determines that if she discards one set of cards her score will increase by 12. If she discards another set, then her score will decrease by eight. If her

asked on December 2, 2013
61. physics spring

A glider on an air track is connected by springs to either end of the track. Both springs have the same spring constant,k , and the glider has mass M. A)Determine the frequency of the oscillation, assuming no damping, if k= 125N/m and M= 250g. (I got the

asked on May 21, 2009
62. English

Read the following poem and then respond to the question below: “I’m Nobody! Who are you?” By Emily Dickinson I’m Nobody! Who are you? Are you – Nobody – too? Then there’s a pair of us! Don’t tell! they’d advertise – you know! How

asked on June 7, 2016
63. math

A diagonal of a parallelogram forms 25° and 35° angles with the sides of a parallelogram. Find the angles of the parallelogram.

asked on February 20, 2017
64. Psychological

Which of the following statements regarding the nature of stress is true? A. Accumulating hassles may well lead to a sudden onset of PTSD. B. Psychophysiological disorders are primarily mental disorders. C. Continued exposure to stress is associated with

asked on May 30, 2016
65. physics

We start with 5.00 moles of an ideal monatomic gas with an initial temperature of 123C. The gas expands and, in the process, absorbs an amount of heat equal to 1300J and does an amount of work equal to 2040J. What is the final temperature of the gas? Use

asked on October 4, 2009
66. Math

The term correlation refers to a statistical technique that is used to ____.​ measure and describe the linear relationship between two variables measure the magnitude of a variable measure the significance of a variable measure the fit of a model

asked on December 15, 2017
67. physics

a 160g hockey puck slides horizontally along the ice, and the coefficient of kinetic friction between puck and ice is 0.15. if the puck starts sliding at 3 m/s before it comes to a stop it travels 3.6m how do you get to this answer?

asked on October 28, 2011
68. Chemistry

Write a balanced equation to describe the following reactions: a) C14H30 is cracked to produce ethene, hydrogen and one other compound b) C16H34 is cracked to produce ethene and propene in a 2:1 ratio and only one other compound Thanks:)

asked on February 1, 2014
69. Precalculus

What is the doubling time of prices which are increasing by 5 percent per year?

asked on September 19, 2012
70. Math

on the day Rachel was born, her grandparents deposited \$ 500 into a savings account that earns 4.8%/a compounded monthly . They deposited the same amount on her 5th, 15th, and 10th birthdays. determine the balance in the account on Rachel's 18th birthday

asked on January 18, 2012
71. Language Arts

Which of the following topics would be most appropriate for an autobiography narrative? A. your opinion of the opening ceremony at the Olympic Games B. your explanation of how to download MP3 files to your personal musical device C. your account of your

asked on September 7, 2016
72. chemistry (AP)

The heat of neutralization of HCl (aq) by NaOH is -55.9Kj/mol H2) produced. If 50ml of 1.6M NaOH at 25.15 celsius is added to 25ml of 1.79M HCl at 26.34 celsius in a plastic foam cup calorimeter, what will be solution temperature be immediately after the

asked on November 14, 2014
73. Calculus and vectors

A cylindrical tank is to have a capacity of 1000 m³. It is to fit into a foundry that is 12 m wide with a height of 11 m. The base of the tank will cost half as much as the top. The metal for the side of the tank will cost four fifths as much as the top.

asked on January 22, 2014
74. Math

For questions 3 and 4, simplify each expression. 1. 4^4/4^6 -16 16 1/16

asked on May 30, 2016
75. Chemistry

Suppose you are asked to find the area of a rectangle that is 2.1- wide by 5.6- long. Your calculator answer would be 11.76 . Now suppose you are asked to enter the answer to two significant figures. (Note that if you do not round your answer to two

asked on September 27, 2012
76. Chemistry -repost thank you in advance

I have a bottle of 95% ethanol purchased from the manufacturer. Normally, when it is not stated, does it mean 95% w/w ethanol? I need to prepare 100ml of 40% v/v ethanol solution from 95% ethanol. Please show me the calculation steps. Thanks.

asked on September 20, 2010
77. Physics

A shaft is turning at 71.6rad/s at time zero. Thereafter, its angular acceleration is given by α = –10.8rad/s2 – 4.42 t rad/s3 where t is the elapsed time. Calculate its angular speed at t = 2.73s. and How far does it turn in these 2.73s

asked on January 26, 2016
78. Math

At a concession stand, popcorn costs \$1.10 and nachos cost \$2.35. One day, the receipts for a total of 172 popcorn and nachos were \$294.20. How many popcorns were sold. Please show work! I don't understand

asked on February 6, 2013
79. Math

George invests \$ 15 000 at 7.2%/a compounded monthly . How long will it take for his investment to grow to \$ 34 000

asked on January 10, 2012
80. physics loop

The small mass m sliding without friction along the looped track is to remain on the track at all times, even at the very top of the loop of radius r. (not unlike a roller coaster) A)In terms of the given quantities, determine the minimum release height h.

asked on May 22, 2009
81. Math

Need this answered today also explain the answers please Julia measured the high temperature in her town for one week. Using the chart below, find the mean absolute deviation for the high temperatures. Round your answer to the nearest tenth. Be sure to

asked on March 13, 2018
82. Math

A population with μ = 59 and s = 8 is standardized to create a new distribution with μ = 100 and s = 20. After the transformation, an individual receives a new score of X = 90. The original score for this individual was X = 51. True or False

asked on December 15, 2017
83. Chemistry

To treat a burn on your hand, you decide to place an ice cube on the burned skin. The mass of the ice cube is 18.5 g, and its initial temperature is -13.3 °C. The water resulting from the melted ice reaches the temperature of your skin, 28.4 °C. How much

asked on November 4, 2016
84. English

What is a subordinate clause?

asked on November 4, 2013
85. physics 11

An arrow is shot horizontally towards a target 20 m away. In traveling the first 5 m horizontally, the arrow falls 0.2 m. In traveling the next 5 m horizontally, what will the arrow additionally fall?

asked on May 13, 2018
86. Math

Class of 20 students, 13 play soccer, 8 play tennis and 2 play neither. Find how many students a) Play soccer or tennis b) Play both soccer and tennis c) Play only soccer

asked on May 27, 2015
87. Math

Find the value of x 60° 80° 128° and x° This is really confusing me please help :/ I read the lesson like 4 times and I just don’t understand it

asked on March 4, 2019
88. math

Two shelves contain 55 books. If half of the books from the second shelf were relocated to the first shelf, then the first shelf would contain 4 times more books than the second one. How many books are there on each shelf?

asked on March 17, 2017
89. Chemistry

Naoh (aq) + HCl (aq) --> NaCl (aq) + H2O (l) Using the dT determined in part 1, calculate the heat capacity of the calorimeter. Enthalpy of reaction= -58.3 kj/mol, Cs (NaCl = 3.91j/g C)density of 1 M NaCl = 1.037g/mL. dT= 12.88 degrees Celcius.50 mL of

asked on November 12, 2012
90. physics

An insulated beaker contains 300g of water initially at 30 degree celsius. water at 100 degree celsius is added until the temperature of mixture reaches 50 degree celsius . the specific heat capacity of water is 4.2J/(kg degree celsius). how much water is

asked on May 22, 2016
91. math

An open box is made from a rectangular piece of cardboard measuring 16 cm by 10cm. Four equal squares are to be cut from each corner and flaps folded up. Find the length of the side of the square which makes the volume of the box as large as possible. Find

asked on March 27, 2013
92. Poetry

Can anyone tell me how rhyme scheme helps build the theme of "A Barred Owl"?

asked on February 2, 2015
93. chemistry

if the partial pressure of the diatomic gas is .300 atm, what is the total pressure? 6 blue dots 5 orange dots 3 green dots consisting of 2 dots each (diatomic gas)

asked on June 21, 2013
94. Chemistry

Suppose density of 100.0 mL of some liquid was found to be 0.789 g/mL. What would be the specific gravity of 20.0 mL of this liquid?

asked on September 29, 2015
95. Math

The half-life of radioactive strontium-90 is approximately 32 years. In 1961, radioactive strontium-90 was released into the atmosphere during testing of nuclear weapons, and was absorbed into people's bones. How many years does it take until only 8

asked on September 19, 2012
96. Trig

How do you find csc 163degrees 20minutes? (I didn't know how to insert the degree and minute marks)

asked on January 10, 2010
97. math

Solve simultaneously: x -2y = 4, 2x + 5y = 17

asked on August 31, 2019
98. Math

Sima invests \$ 4240.00 in the first year, \$ 4494.40 in the second year , and \$ 4764.06 in the third year , how much did sima invest

asked on January 11, 2012
99. science

Suppose some natural disaster occurs in the species of cement is forced to read locate from its original island where it dined on cactus flowers to an adjacent island with many freer cacti but an overabundance of orchids. What would be the immediate

asked on January 11, 2019
100. Algebra

Solve the inequality 1. m - 7 < 6 2. x + 4.5 more than or equal to 5.5 3.p + 12 > 9 4. Translate the following statement into an inequality: Five less than a number is at least nine. x - 5 more than or equal to 9 Show me how you did the work please?

asked on November 19, 2014