annie

This page lists questions and answers that were posted by visitors named annie.

Questions

The following questions were asked by visitors named annie.

A wrecking ball (weight 4140 N) is supported by a boom, which may be assumed to be uniform and has a weight of 2550 N. As the drawing shows, a support cable runs from the top of the boom to the tractor. The angle between the support cable and the horizont...

Is this the correct use of a semicolon? From the harbors of Africa to the forests of Vietnam, mankind has glorified the most horrid of acts; the practice of murder.

Why is; a) antimony pentafluroide Sb(-3) + F5(-1) --> SbF4 ? b) aluminium bromide hexahydrate Al(-1) + Br(-1) --> AlBr3 . 6H2O ? The charges don't add up for (b), is there something to do with the "ide"? I don't get it. And for (a) how did "pentafluoride"...

what do you call munbers suth as 2,4,6,8, or 10 my homework is due today in 3 hours !

what do you call numbers suth as 2,4,6,8 or,10 in an array

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

what does small electronegativity difference reveal about the strength of a covalent bond?

When I bend down, what kind of force is involved? Is it the pulling force of the muscle?

1) "I am filled with sadness." Can you explain the grammar rules for using "filled" instead of fill? 2)"We visited the Detainees (sic) camps and we saw the jails." What does '(sic)' mean? 3) Sometimes we see 'p.s.' at the end of a letter. What does it mea...

would this be a correct proof of the cauchy-schwartz inequality: abs=absolute value abs(u*v) is less than or equal to abs(u)*abs(v). Then you divide both sides by abs(u)*abs(v) so that you get cos(theta) is less than or equal to 1.

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...

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?

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...

how would you solve: sin(2x)+cos(2x)=tan(x)?

which of the folling values represents an index of refraction of an actual material

what is a word for what happens when you are confused?

A 1.00 L volume of helium gas is cooled from 50.0 degrees celcius to 25.0 degrees celcius. If the pressure remains constant, what is the final volume?

calculate the number of moles of carbon dioxide in a volume of 50.0 mL of carbon dioxide, assuming a pressure of 1.00 atm and a temperature of 23.0C

Thank you for your help! The question is what is the center and radius of the circle. (x+2)^2+y^2=64. Thank you so much.

Ok. I have one more question. The mean height of 5 students is 59.4. If one of the students leaves, the mean height becomes 61. What is the height of the absent student? I have this so far but still having problems solving it: 5(59.4)=4(61)+1(X);X=? Thank...

Ok. I pretty much have this one solved but the final answer has me stumped. The probability that Luis will pass his statistics test is 0.51. Find the probability that he will fail his statistics test. This is what I have so far. P(fail)=.51; =1-.51. But I...

what presidents make up mt rushmore

How do I prepare 30% v/v ethanol from 95% ethanol? Thanks.

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.

Thanks a lot:) So just to confirm: normally for any chemical bought from manufacturer, if it is not stated, the % usually means v/v? Seems like for conc sulphuric acid, when it is stated 97% sulphuric acid, it means 97% w/w sulphuric acid? Thank you very...

I refer to my earlier post on v/v versus w/w. I would be very grateful for any advice provided. For 95% ethanol purchased from manufacturer, we normally take it as 95%v/v. For 98% sulphuric acid, it seems like it is normally 98% w/w. I have also seen a po...

The angular position of a point on the rim of a 45.8 cm rotating wheel is given by θ(t) = 3.6 t2 − 2.8 t +7.5, What is the instantaneous speed v of the point at time t = 6.5 s?

How would you usually prepare starch indicator solution for iodine titrations? Can the solution be stored for a few months in the fridge? I noticed that sometimes the starch indicator solution in the fridge has turned cloudy, in which case we should prepa...

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 wa...

1) Do we say "The information is correct as of 28 September 2010." or "The information is correct as at 28 September 2010."? 2) "I spoke with him yesterday." or "I spoke to him yesterday."? Someone mentioned to me that both sentences are acceptable but 1...

Can you provide some examples on the use of shall versus should?

Are the following sentences semantically / gramatically correct? 1)Alert the supervisor to any defective material found. 2)Some equipment have been taken away for inspection. After inspection, ensure that all the equipment are accounted for.

Posted by annie on Wednesday, October 13, 2010 at 4:29pm. Are the following sentences semantically / gramatically correct? 1)Alert the supervisor to any defective material found. 2)Some equipment have been taken away for inspection. After inspection, ensu...

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.

1)Let the instrument switch on for 1 hour before analysis. 2)On the instrument for 1 hour before analysis. 3)Switch on the instrument and leave it on for 1 hour before analysis. 4)Switch on the instrument and conduct the analysis after 1 hour. 5)Turn on t...

An Amusement park purchased equipment from a manufacturer for a list price of $42,000.00 minus trade discounts of 30/20/15. Calculate the amount of the trade discount on the purchase.

We have purchased a batch of material directly from the manufacturer. 1) No discount was provided by the material manufacturer. 2) No discount was provided by the material's manufacturer. Are both sentences acceptable?

I also thought that both are acceptable. However, I am confused because we usually write "The shoe manufacturer" and "The clothes manufacturer" but not "The shoe's manufacturer" or "The clothes' manufacturer". Can you help me on this? Thanks. Posted by an...

if an acid has a pH of 1.1 what is the hydrogen ion concentration of the solution expressed in scientific notation to 3 significant figures, for my answer can it be written 1 x 10^-1.1 mol dm3? or can you not use decimals in the to the power of so should...

complete using a simile 1.a drunken person often walks like 2.as slow as 3.my friend can run like

. Suppose you are a stock market analyst specializing in the stocks of theme parks, and you are examining Disneyland’s stock. The Wall Street Journal reports that tourism has slowed down in the United States. At Six Flags Magic Mountain in Valencia, Calif...

a recipe call for 1.5 cups of mix to make 8 pancakes. John wants to make 12 pancakes and uses 2 cup of mix. Does John have the correct ratio for the recipe

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...

1) This puts the integrity of the material into question. or 2) This puts the integrity of the material in question. Which is correct?

Can you start a sentence with As?

what sistuations lend themselves to evaluation

how interest rates affect our purchasing decisions

1) The expiry date of the product will be 1 year from the date stated on the label, unless otherwise advised by the supplier. OR 2) The expiry date of the product will be 1 year from the date stated on the label, unless advised otherwise by the supplier....

8 mL of 0.0100 M HCl are added to 22 mL of 0.0100 M acetic acid. What is the pH of the resulting solution?

1. A boy drags a wooden crate with a mass of 20 kg, a distance of 12 m, across a rough level floor at a constant speed of 1.50 m/s by pulling on the rope tied to the crate with a force of 50 N. The rope makes an angle of 25¡ã with the horizontal. a.What i...

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?

There are several different hard drives available for a computer.Which of the following size hard drives is the largest?

What is the ideal computer arrangement to use when you want to integrate computers directly into the classroom curriculum?

Which of the following scenarios most likely describes the future of technology in education?

Why would you mount an overhead transparency in a cardboard frame? A. to make copies of it B. To color it C. To add overlays D. To project it onto a screen

which machine would you use to project a color picture from a book? A.Bioscope B.Slide projector C.overhead projector D.Opaque projector

10tan theta= .5+1/2costheta + 2sintheta How do I simplify the right side of the equation.

When tutoring learning challenged settings,learning challenged students are most often placed in A.resource rooms B.the nurse's office C.self-contained classrooms D.phychiatric clinics

Whi are pre-primer programs desinged for?

8.In general,the best type of multicultural classroom materials are those that

pour a liter of water at 40 c into a liter of water at 20 and the final temperature of the two becomes about____________________c

11.As a teacher aide in an ESL classroom,it's within your responsibility to

11.As a teacher in an ESL classroom,it's within your responsibilities to A.meet parents one-on-one to discuss their child's progress B.provide language translation for the teacher when reequested C.determine when an ESL, student is ready to be mainstreame...

6. to say that all African American males are fast runners is an example of A.prejudice B.sexism C.sterotype D.bias

Aluminum metal generates H2 gas when dropped into 6.00 M HCl. Calculate the mass of H2 that will form from the complete reaction of 0.365 g Al with 8.40 mL of 6.00 M HCl.

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.

18.Which of the following statements implies rules of confidentality?A.You can tell the librarian that you heard that Joey's father was arrested for drug use.B.Parents must give permission to release school records to the child's therapist at the communit...

Cities and urban areas were a source of economic opportunities in the post-Medieval Western world. How was the full potential of Western cities and urban areas in this regard was realized during the Industrial Revolution?

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.

Help needed! I'm comparing France and the USA. If France had the Paris vs. Versaille conflict with regards to the city capital. As much as capitals showed the unity amongst the people, it also produced conflicts between different sectors of society. What...

Larry is a very aggressive four-year-old child.he watches many television programs that contain violence.it's most likely that

r=40-2t shows the relationship between the average rate of speed, r, of a car in meters per second, and the time, t,in seconds, as the car slows down.

please proof read my short story please and make some correction Love-Hate story “Happy birthday Khushi”, her family said as they came to her room at midnight. “Thank you, Mom, Dad and my lovely sister”, Khushi said with a huge smile. Khushi laid down on...

The sum of two forces, one having a magni- tude of 2 N acting due west and other having a magnitude of 8 N acting due north is?

a volume of 20. l of O2 os warmed from -30c to 85c what is the new volume if the pressure is kept constant

what is the volume at STP of a sample of CO2 that has a volume of 75.0 ML at 30c and 680 mm Hg

what are some some similarities and differences between dawn and night by elie wiesel?

A particular report included the following table classifying 711 fatal bicycle accidents according to time of day the accident occurred. Time of Day Number of Accidents Midnight to 3 a.m. 38 3 a.m. to 6 a.m. 29 6 a.m. to 9 a.m. 64 9 a.m. to Noon 78 Noon t...

Every year there is a race to the top of the empire state building. In 1993 the winner got to the top in 10 minutes, 18 seconds. how many stairs did the winner go up per second, rounded to the nearest whole number

what is the importance of islands in the study of evolution?

what is the unity of life? if asked to explain two examples could it be a human and a chimp or would the two examples be DNA and RNA?

what exactly is the unity of life?

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...

Express 4 radical 75

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. Fin...

I have to find mean, median and mode did I do this right? 21,21,22,22,22,26,34

Find the mean, the median, and the mode for the following data. 21 21 22 22 22 26 34 Mean 335.1 rounded to 335, median 22, mode is 22

Find the mean, the median, and the mode for the following data. 21 21 22 22 22 26 34 Mean 335.1 rounded to 335, median 22, mode is 22 could someone tell me if I got this right?

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...

what is the algebraic rule for x=4,y=1;x=6,y=1;x=8,y=2;x=10,y=2;x=12,y=3;x=14,y=3;x=16,y=4;x=18,y=4...

If the rectangles width is trippled and its length is doubled the perimeter of the new rectangle is 92 centimeter greater than the original perimeter what is the area of the original rectangle?

How do I find the number of millimeters long a beak is?

if 21.54 grams of caco3 is added to an ecxess of HCl in the equation Cacl3+2Hcl produces Cacl3+co2+H20, what mass does co2 produce?

What's a good title for a mother Teresa essay?

How do you calculate field of view

Why can we see ourselves in a mirror but not a wall

A vehicle starts from rest and accelerates with a constant acceleration, covering 200m in 5s. it then continues at a constant velocity for 300m before decelerating with a constant 2m/s^2 deceleration to a stop. what is the maximum speed attained, total ti...

The speed of all electromagnetic waves in empty space is 3.00 × 108 m/s. What isthe wavelengthofradio waves emit- ted at 97.9 MHz? Answer in units of m

Answers

The following answers were posted by visitors named annie.

I didn't write the sentence, it's just on a worksheet.

a formal method whereby people can effect changes in goverb. policy

wat websites can i find choirs history

if you could place a red blood cell in distilled water,what would you see happen to the cell? explain.

lol i got stuck on the same questions and googled them. this helped allot! tanx

lol i was stuck too! im soo lucky i found this site tanz to all

In "A White Heron," how does Sarah Jewett portray Sylvia's attitude about money

the density is the light wheight of an object . that winn help

the hundisim started in india

draw one fighting the other anti and con.

heyyy. im doing the same math sheet as well and is soooooo totally confused, lol

are we human? ... or are we dancers?

but how do you find A (i'm assuming amplitude)?

take factors, beginning with the least common factors. ex: 90=3,3,10 two 3s (three squared) mean you take a three out, multiplying it by the square root of ten left.

first, get them a common denominator (in this case 35). so (-8/7)5/5+(4/5)7/7= (-40/35)+(28/35) = (-40+28)/35 = -12/35 or so i believe

thanks! i used the two equations for w0 and set them equal to each other and solved for m and it worked! thanks!

the equation to use is more specifically x(t)=A(e^t*L)cos(w't) does that change it? because i'm still not getting the right answer

Yes, you are right! Thank you

Yup. That is what I got reiny. :) Thanks again.

Yeah, I thought so just wasn't sure. Thank you!

yes, but .49 does not seem realistic. I may be doing something wrong. Thanks

Oh wow, yes. you are right. That does make perfect sense! Sometimes I read to much into a problem. Thank you for simplifying for me Mrs. Sue. :)

ok, so my final answer is h=2, k=0, r^2=64, then r=8, is this right?

Hi, how do I do the calculation? Thanks

After inspection, ensure that all equipment is accounted for using the checklist given. Is the above sentence acceptable?

Thanks a lot. What about the following sentences? If there is no shelf-life information from the material manufacturer,we will assign one based on our internal protocol. If there is no shelf-life information from the material's manufacturer,we will assign...

(x+5)(x+2)=X2+7x+10

What is a bogus analysis using quasi-scientific jargon, but has little or no objectivity.

As said by Martin Luther king:" A lie cannot live."

okay thanks Ms.Sue!

why wouldn't the colon be acceptable?

oh I see it now thanks!

a 160 g hockey puck slides horizontally along the ice, and the coefficient of kinetic friction between puck and ice is 0.15. if the puck a tarts sliding at 3 m/s, how far will it travel before it comes to a stop?

b it presents a sequence of images that initates a real or imaging system.

C. to place special needs students in the marjority.

Could you check my answers please 1b2c3d4c5b6c7d8b8c10c11b12b13a14c15b16a17b18b19d20d

all of the following are true of the subcutaneous layer except it

All of the following about water is true except that it: a.has a very high specific heat capacity compared to?

I think the answer is C

Would the answer to question 11.,be D ?

D.keep the lines of communication open between teachers, students, and parents.

I"ve been asking for help to see if my anaswers were correct, the work was my own .I'm not the only student asking for alittle help. This isn't cheating!!!!

m_dot = 2000 kg/h q = 111600 kJ/h T_final = 95C C_p = 3.9 kJ/(kgC) equation: q = m_dot*c_p*(T_initial-T_final) plug in all the value and solve for T_initial *NOTE* remeber deta_T both in C and K is the same. So don't worry

Well, basically, here is what I've got so far.. I believe that the industrial revolution promoted urban life. To a certain point, people would a associate urban living to better living. Migration from rural areas to urban areas was popular back then. Duri...

Thank you. :) Though I was thinking, should it be "full potential"? or just the potential.. I mean, urban life is still moving forward so there's no way of telling that it has reached its full potential, right? :) Or maybe I'm just overthinking.

okay. thank you :)

how can you add and multiplication at the same time

dot and cross diagram of a molecule of HOCL

@steve Why is the base of the box 16-2x by 10-2x (where did the 2x come from?)

1. State specifically how you would make a conclusive test for an iron (III) salt. 2. Which test for iron (II) ions is conclusive. 3. Suppose you have a solution containing both an iron (II) salt and an iron (III) salt. How would you proceed to identify b...

No just an essay not a life story

The meter per second squared is the unit of Acceleration. My answer is a, acceleration.

let the numbers be x, y, z 2x=y+z+11 2x-y-z=11 2x+3z=y+1 2x-y+3z=1 y=x+z -x+y-z=0 2x-y-z=11-------------- 1 2x-y+3z =1--------------2 -x+y-z= 0-------------- 3 consider equation 1 &2 Multiply 1 by -1 Multiply 2 by 1 we get -2x+y+z =-11 2x-y+3z =1 Add the...

275 so it woulbb be the 230 plus the 45

I would like some examples of these theories being used in the classroom.

BECUSE IS NOMALY EASY FOR ME WHEN I ADD

I am looking at the above site now. I said family values because I talk about family relationships, family size, and family time and the differences between families in the city and on the farm.

okay.. this is the thesis statement I have come up with. I this better? The differences between farm life and city life are striking and deserve thorough examination.

which one is at room temperature then ?

Thank You for your help

The contestants, Malcolm and (she,her) listened carefully to the first question.

i really do understand this still its getting me upset :(

I'm trying to help my little girl but i really don't understand this stuffs at all if you can please help my little girl out here is her email address at please i give up on helping her out

my little girl name is destiny

what angle in rqadians correspond to 3 rotations around the unit cvircle

i don't understand

I need help on week 2 crossword puzzle plz help!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

He wasn't hungry because he had a late lunch.

Replace the underlined definitions with these words. (icant really underline so i will just put quotations) WORDS: Navigate Altitude Destination Landmark Radar Bearing Propelling Equipped Transmitted Recurring Profited 1)The pilot, who never wore green, w...

Didnt mean to post it here but please help me on this if you can. :)

thank you so much

also, would recurring be for powering? Because thats all the words my teacher gave me.

how did you not know this, its easy!

Thanks Helping Hand

I honestly don't know I am guessing.

I am confused but you game me the answer so thanks

Oh I am sorry My answers are B D E G

Okay I will let you know if the answers are right

if yall seventh grade going to eigth look back at this it is totally right

In the sense of getting the country back into profitable big business, Harding was successful in a "return to normalcy." That said, his presidency was marked by scandal and corruption and he died halfway through his term, so it's tough to consider him a s...

I think a and c

sach! hmu on snap chat! Im in the same class if u have Mrs. Finke

.. im from primavera too :O

(of an argument or statement) seeming reasonable or probable.