# annie

Popular questions and responses by annie-
## 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* -
## 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* -
## 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* -
## 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* -
## Chemistry

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

*asked on May 12, 2011* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## chemistry

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

*asked on November 29, 2016* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## Chemistry

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

*asked on November 5, 2017* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## Math

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

*asked on May 30, 2016* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## world history

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

*asked on October 12, 2017* -
## math

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

*asked on October 30, 2008* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## History

Which most accurately describe the impact of the Crusades on the Jewish community? Select all that apply. During the Fourth Crusade, Saladin entered the Crusades and massacred Jews in Constantinople. During the Third Crusade, England entered the Crusades

*asked on February 21, 2020* -
## 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* -
## Precalculus

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

*asked on September 19, 2012* -
## 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* -
## 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* -
## 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* -
## math

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

*asked on May 15, 2017* -
## 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* -
## 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* -
## Chemistry

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

*asked on May 18, 2018* -
## 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* -
## 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* -
## 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* -
## Math

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

*asked on September 19, 2012* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## PHYSICS

Suppose that a tank contains 680m^3 of neon at an absolute pressure of 1.01*10^5 Pa. The temperature is changed from 293.2 to 294.3 K. What is the increase in the internal energy of the neon? I don't have any idea to do it. Please help! Give me some

*asked on February 21, 2008* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## Math

Barry is 8 years older than his sister. In 3 years, he will be twice as old as she will be then. How old is each now? Please show work! I don't understand.

*asked on March 5, 2013* -
## Physics help.

If a curve with a radius of 94.5 m is perfectly banked for a car traveling 72.4 km/h, what must be the coefficient of static friction for a car not to skid when traveling at 96.4 km/h?

*asked on March 5, 2012* -
## Algebra

A sine function has the following key features: Period = 4 Amplitude = 4 Midline: y = 1 y-intercept: (0, 1) The function is not a reflection of its parent function over the x-axis. Use the Desmos graph tool to graph the function. The first point must be on

*asked on January 29, 2020* -
## 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* -
## 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* -
## 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* -
## Math

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

*asked on May 30, 2016* -
## 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* -
## 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* -
## 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* -
## English

What is a subordinate clause?

*asked on November 4, 2013* -
## math

Given: ABCD is a rhombus, AB = 6, and m∠A=60° Find: The height.

*asked on April 9, 2017* -
## 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* -
## Poetry

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

*asked on February 2, 2015* -
## ALGEBRA 1 PLEASE HELP! I DONT UNDERSTAND

In basketball you score 2 points for a field goal and 1 point for a free throw. Suppose that you have scored at least 3 points in every game this season, and have a season high score of 15 points in one game. How many field goals and free throws could you

*asked on January 20, 2013* -
## 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* -
## 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* -
## Physics

A block of mass m1 = 4.80 kg sits on top of a second block of mass m2 = 15.6 kg, which in turn is on a horizontal table. The coefficients of friction between the two blocks are µs = 0.300 and µk = 0.100. The coefficients of friction between the lower

*asked on October 31, 2009* -
## 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* -
## Chemistry

Which of the following substances have a standard heat of formation of zero? O2 at 25.O degrees C and 1 atm Fe at 1200 degrees C C2H6 at standard conditions Cl2 at 2 atm

*asked on June 19, 2013*