# 1.3 /73.814 In significant digit notation, divid, and the answer to two significant digits. I will be happy to critique your work

71,152 questions, page 525-
## math

A sample of 145 values is randomly selected from a population with mean, ì, equal to 45 and standard deviation, ó, equal to 23. (Give your answers correct to one decimal place.) (a) Determine the interval (smallest value to largest value) within which

*asked by Sue7 on June 21, 2013* -
## Math

A golf ball is hit off the top of a cliff that is 75 feet tall at an angle of 45° to the horizontal with an initial velocity of 80 feet per second. The quadratic equation shown below models the height, h(x), of the ball when it is x feet from the

*asked by Anonymous on December 4, 2014* -
## physics

Your car is stuck in a mud hole. You are alone but you have a long strong rope. having studied physics you tie the rope tautly to a telephone pole and pull on it sideways at the midpoint as shown. Find the force exerted by the rope on the car when the anle

*asked by zach on November 23, 2015* -
## micro econ

Suppose that differences in skills explain part of the difference in wages by race. Wage differences arising from skill differences __________. may result from past discrimination in access to education are not attributable to present or past

*asked by Angela on August 8, 2018* -
## LA plz help ms.sue

2.Which excerpt from the play best supports the answer to the reason Anne spends time with Peter? A I’m sorry Mother. I’m going to Peter’s room. I’m not going to let Petronella Van Daan spoil our friendship. B I mean, every time I go into Peter’s

*asked by Anonymous on April 8, 2015* -
## arithmetic

How does this work “Think of a #. Add 7. Double the result. Subtract 8. Double the result. Add 12. Divide by 4. Subtract 6. Your answer will be the original number.

*asked by sam on January 21, 2010* -
## Math 2

What types of problems can be solved using the greatest common factor? Also, what types of problems can be solved using the least common multiple? Please help answer both questions

*asked by Stephie on September 4, 2014* -
## Math

Here is the question: Patty has a bag of 72 marbles. The ratio of green marbles to yellow marbles is 2 to 7. How many green marbles does patty have? I don't know how to answer it. Please help!

*asked by Shannon on March 2, 2011* -
## 6th Grade History

What does "on the landward side" mean? A) away from the volcano B) toward the volcano C) on the far side of the bay D) on the sea floor my answer: d) on the sea floor. Am I correct? Thanks for all and any help in advance.

*asked by running.from.myself on March 5, 2012* -
## Physics

A vector drawn 8.5 cm long represents a force of 22 N. What force does a vector that is 16.8 cm long, drawn to the same scale, represent? Answer in units of N.

*asked by Isabelle on October 17, 2017* -
## math,correction

can someone please correct this for me. i have to graph: y = 3/4x + 2 so the points i got for plotting is: (-4,-1),(0,2),(4,5) then i just connect the points to get the line. If they plot on a line the answer is correct. y= 3/4 x + 2 is a line, and all

*asked by jasmine20 on January 15, 2007* -
## physics

A force is applied to a 2.5 kg mass and pro- duces 2.4 m/s2 acceleration. What acceleration would be produced by the same force applied to a 5.2 kg mass? Answer in units of m/s2

*asked by Anonymous on September 26, 2011* -
## Algebra

I have two problems that I need some help with. I believe I got to the answer but not quite sure if its right. I need to expand and evaluate each series. 1. There is an E like symbol that has a 7 at the top. On the bottom k=1 and on the right side (-1)^k K

*asked by John on April 1, 2013* -
## math

Which of the following are binary operation.justify your answer. (i) the operation . defined on Q by a.b =a(b-a) (ii) the operation . defined on [0, pi] by x.y = cosxy also,for those operation which are binary operations,check whether they are associated

*asked by gourav bhardwaj on March 28, 2016* -
## Math HELP!

Find the unit rate. In 10 months, 62.6 gallons were used. A. 0.16 gallon/month B. 10 gallons/month C. 6.26 gallons/month D. 626 gallons/month Is the answer C?

*asked by Callie on November 6, 2014* -
## Science

The weight of an object is the product of its mass, m, and the acceleration of gravity, g (where g=9.8 m/s2). If an object’s mass is m=58.5 grams, what is its weight? Same goes to 45.93 grams. If you could answer as soon as possible that would be great!

*asked by Davye on February 28, 2017* -
## English

Ms. Sue, thanks for your answer. Is there a rule in grammar that I can use to convince someone that #2 is correct? Which one is correct: 1. The box contains two slides labeled "A" or "B". 2. The box contains two slides labeled "A" and "B".

*asked by Chris on November 22, 2011* -
## ALGEBRA

A GROUP OF STUDENTS GO OUT TO LUNCH. IF TWO HAVE HAMBURGERS AND FIVE HAVE HOT DOGS, THE BILL WILL BE $8.00. IF FIVE HAVE HAMBURGERS AND TWO HOT DOGS, THE BILL WILL BE $9.50. WOULDNT THE ANSWER BE $1.50

*asked by CARRISSA on February 11, 2008* -
## Science

Suppose the total momentum of two masses before a collision is 100 kg m/s. What is the total momentum of the two masses after they collide? A. 0 kg m/s B. 50 kg m/s C. 100 kg m/s D. 200 kg m/s Is the answer D? Thank you

*asked by Callie on February 3, 2015* -
## Astronomy

Star A has 3 times the surface temperature and 0.6 times the radius of Star B. What is the ratio of the luminosity of Star A to the luminosity of Star B? (Indicate your answer to an accuracy of 0.1).

*asked by Xenon on February 15, 2018* -
## Microsoft Excel

Joshua needs to join the text in two cells together. Which of the following would perform this function? A. =(Good)&(Morning) B. ="Good"&&"Morning" C. ="Good"+"Morning" D. =Good "&" Morning My answer is d.

*asked by Daniela on July 17, 2016* -
## Math

You flip a coin 30 times and get heads 11 times, so the chance of getting heads is 11\30. Is this an example of theoretical or experimental probability? A. Theoretical B. Experimental Is the answer B? Thank you

*asked by Grace on April 9, 2015* -
## science

Compare lunar and solar eclipses and answer the following questions: How does a solar eclipse happen? How does a lunar eclipse happen? Which one occurs more often?

*asked by ferraris race on February 15, 2017* -
## math

which of the following are binary operation.justify your answer. (i) the operation . defined on Q by a.b =a(b-a) (ii) the operation . defined on [0, pi] by x.y = cosxy also,for those operation which are binary operations,check whether they are associated

*asked by gourav bhardwaj on March 27, 2016* -
## Math

1. Sara got 10 out of 13 questions right on a test. What will she probably make on her test? A. 76% B.60% C.70% D.85% 2. What will Sara make if she got a 5 extra points? Idk how to answer number 2.. I think it's.. A for number 2

*asked by Anonymous on January 29, 2015* -
## Science

Trees will most likely compete with one another for- A.carbon dioxide B.soil C.water D.oxygen I know trees take in carbon dioxide and release oxygen. But im not sure which is the answer. Is it C?

*asked by Jerald on April 19, 2012* -
## english 13

Pronoun-antecedent agreement 13a. Most presenters spoke without looking at his or her notes. 13b. Most presenters spoke without looking at their notes. My answer is: 13b

*asked by Rose on April 1, 2008* -
## Algebra 1

In a right triangle the adjacent side = 12, the opposite side = 35, and the hypotenuse = 37. What does the opposite angle =? a-71,1 deg b-18.9 deg c-29.2 deg d-90 deg my answer is 18.89 degrees

*asked by Steve on April 13, 2015* -
## Language

Is the sentence correct? Me, Allen, and Juiliana went to the school talent show. Answer: I think it should be I, Allen, and Juliana went to the school talent show.

*asked by Please Help on August 14, 2014* -
## Physics

A force is applied to a 1.4 kg mass and pro- duces 2.5 m/s2 acceleration. What acceleration would be produced by the same force applied to a 12.2 kg mass? Answer in units of m/s2.

*asked by Lily on December 10, 2015* -
## Science!!!

If a bowling ball hits a wall with a force of 6 N, the wall exerts a force of (blank) back on the bowling ball. A. 0 N B. 3 N C. 6 N D. 12 N Is the answer C? Thank you

*asked by Callie on February 11, 2015* -
## Math

Rectangle A is 8 cm long and 4 cm wide. Rectangle B is 4 cm long and 2 cm wide. What is the ratio of the area of rectangle A to rectangle B? 8x4=32 4x2=8 32:8 Is my answer correct?

*asked by Rene' on January 18, 2017* -
## Math

Is the equation true, false, or open? 4y+8=6y+3 a. True; the expressions are the same for all values of the variables. b. False; the expressions are never the same. c. Open; there is a variable.*** *** - My Answer

*asked by Kaai97 on October 13, 2015* -
## Science

Compare lunar and solar eclipses and answer the following questions: How does a lunar eclipse happen? How does a solar eclipse happen? Which one occurs more often?

*asked by Help I need somebody not just anybody on March 17, 2017* -
## Chemistry

Gaseous mixtures: (A) can only contain isolated atoms (B) can only contain molecules (C) must contain both isolated atoms and molecules (D) are all homogeneous (E) are all heterogeneous Is the correct answer, (D), are all homogeneous?

*asked by Anonymous on January 1, 2010* -
## Math

Is the equation true, false, or open? 4y+8=6y+3 a. True; the expressions are the same for all values of the variables. b. False; the expressions are never the same. c. Open; there is a variable.*** *** - My Answer

*asked by Kaai97 on October 13, 2015* -
## math

Given the four rational numbers below, find the greatest difference and the greatest product using two of the numbers for each operation. 2 1/3,1.5, -1.25, -3 1/4 Difference= -0.95 is what I got for the first answer. Product= 4.0925 is what I got for the

*asked by Wossum on September 3, 2016* -
## math

how do you find this out? if 223.25 = 100 then 133.5 = ____ dont want the answer just how to find it. make a ratio... 133/223.25 :: X/100 thanks i got it

*asked by Quincy on January 29, 2007* -
## MLA citation

Which of the following is an example of a secondary source? A. An interview with Stephen King B. A novel by Stephen King C. Stephen King's letters to his editor D. A biography of Stephen King my answer is d.

*asked by Daniela on July 27, 2015* -
## chem

How do the components of a conjugate acid–base pair differ from one another? Give an example of a conjugate acid–base pair to illustrate your answer.

*asked by Big Boy on April 11, 2019* -
## English

I'm going to ride a bike. 1. Okay, but you should wear a healmet. 2. Okay, but you ought to wear a healmet. 3. Okay, but you must wear a healmet. 4. Okay, but you have to wear a healmet. ------------------------------ #1 is a suitable answer to the

*asked by rfvv on June 25, 2016* -
## Chemistrt

How many grams in 4.00 moles of Fe2O3? Answer 4 Moles Mass = 159.7 grams 4 X 159.7/1 = 6.388 or 6.39 grams. How do you get 6.39X102grams? Fe is +2 and O is –2. you have 2-Fe and 3-O why would this not be 6.39X10-2 grams

*asked by Paul on December 6, 2009* -
## algebra 1

1) Can you write a binomial in standard form with degree of zero? Explain. 2)Canyou write a binomial with a degree of 3? Explain. Can you help me answer this question please.

*asked by marie on April 14, 2010* -
## macroeconomics

help me graph this answer slope is rise over run. With each 100 increase in income (run), consumption goes up by 50 (rise). So, 50/100 = .5 = slope

*asked by mary on March 3, 2010* -
## math

A survey indicated that 3 out of 5 doctors use brand X aspirin. If 2000 doctors were surveyed, how many used brand X? can somebody tell me is this the right answer yes or no, 2000/ 3/5 400*5/3*5 400/3 133 1/3

*asked by cora evans on December 28, 2013* -
## college math

Carl weighs 4 times more than his daughter. If Carl weighs 204 pounds how much does his daughter weigh? would the correct answer be 51 pounds

*asked by Lourane on June 19, 2012* -
## 3rd grade math

Five students make the following guesses on the number of jelly beans in a jar:72,78,68,60,84.The guesses were off by 14,2,4,6 an 10 (not in order). How many jelly beans are in the jar. my answer is 74.

*asked by Carol on February 17, 2009* -
## planning & implementing for the environment

The organization of the environment provides _______ for children. A.curriculum B. routines C.experiences D.guidanceThe organization of the environment provides _______ for children. B is my answer

*asked by Amanda on October 16, 2014* -
## Algebra

If I buy 2 apples and 6 oranges, I will spend $5.60. However, if I buy 6 apples and 2 oranges, I will spend $4.80. How much does one orange cost? Write the answer like this example: 48cents.

*asked by joshua on March 3, 2011* -
## Math

A student needed to get a final grade of 90 to get a grade of A for the semester. If the last two scores would be counted as one score. What is the least grade the student would need to get to get a final grade of A? Is the answer 45? /

*asked by Kareen on August 13, 2015* -
## Chemistry

If a reaction takes 8 hours at 20 degrees celcius, how long will the reaction take at 50 degrees celcius? (Please answer in # of hours) A formula would be so helpful! thanks!

*asked by Marta on December 2, 2010* -
## acids and bases

Use the acid-base reaction HI + CsOH CsI + H2O to answer the following questions. i. What is the Arrhenius acid and what is the Arrhenius base in the above reaction?

*asked by princess on April 4, 2012* -
## Grammar

Select the correctly punctuated sentence: A) He said, "There but for the grace of God go I." B) He said "There but for the grace of God go I." C) He said, "There but for the grace of God go I". D) He said "There but for the grace of God go I". My answer is

*asked by Marie on December 12, 2012* -
## Math 6b

If a coin is tossed and a number cube is rolled, what is the probability that the coin shows heads and the number cube shows 3 A:1/2 B:1/9 C:1/6 D:1/12 I think the answer is D. thank you

*asked by Jaden on May 19, 2017* -
## math

Enter your answer and show all the steps that you use to solve this problem in the space provided. A party store offers small balloons and large balloons. You can choose from pink, blue, green, and yellow balloons. You can choose from silver, gold, and

*asked by niki on February 20, 2019* -
## Physics

An 85kg person bounces on a bathroom scale having a force constant of 1.50*10^6 N/m. The amplitude of the bounce is 0.200 cm. What is the maximum energy stored in the spring? I use the formula mg = kx, solved for x, and got 5.55333 * 10^-4. Then I added

*asked by anonymous on January 12, 2018* -
## Physics

When jumping straight down, you can be seriously injured if you land stiff-legged. One way to avoid injury is to bend your knees upon landing to reduce the force of the impact. A 75 kg man just before contact with the ground has a speed of 7.0 m/s. (a) In

*asked by Mary on March 4, 2007* -
## algebra

Library Assignment When a ball is thrown up into the air, it makes the shape of a parabola. The equation S= -16t^2 + v*t + k gives the height of the ball at any time, t in seconds, where “v” is the initial velocity (speed) in ft/sec and “k” is the

*asked by hilda on January 18, 2010* -
## Math

I'm kinda confused with this problem. We're working with imaginary numbers. Is my work correct? Compare the quantity in Column A with the quantity in Column B. Column A = |3 - 2i| Column B = |5 - i|

*asked by SaraH on March 19, 2019* -
## (ENGLISH) please check over english work.

I have finished all of the questions, just need someone to look over them. I have posted these questions before, but someone told me to re-do them and I decided to post them again. Canada Day Love Match My mother stalked her future son in law, convinced he

*asked by Shannon on October 8, 2013* -
## Language Arts

1. Which of the following sentenced uses "so"? correctly? A. Playing on the school’s volleyball team is one of my favorite activities, and so is helping out with the school play. B. Working after school most days is something I have to do, so is helping

*asked by Anonymous on March 27, 2019* -
## statistics

A researcher wishes to estimate the mean amount of money spent per month on food by households in a certain neighborhood. She desires a margin of error of $30. Past studies suggest that a population standard deviation of $248 is reasonable. Estimate the

*asked by MARY on April 18, 2015* -
## Health

1)Which of the following food is high in protein? A. apple B. Carrot C. Chicken*** D. Pasta 2)Of the five food groups, which should be consumed in the smallest amount? A. Dairy**** B. Fruits C. Grains D. Protein 3)Which food would be considered to be a

*asked by Brody My BF on December 18, 2015* -
## PHYSICS!!

A plane drops a hamper of medical supplies from a height of 4190 m during a practice run over the ocean. The plane’s horizontal veloc- ity was 111 m/s at the instant the hamper was dropped. What is the magnitude of the overall ve- locity of the hamper at

*asked by Ray on October 4, 2012* -
## statistics(please answer!)

i bought a vegetable seed pocket containing 20 seeds. A manufacturer label on the pocket said that the seeds have at least 90% germination rate. I planted all 20 seeds following their instructions in preparing soil and water. They told me if an "unlikely

*asked by cdizzle on January 20, 2015* -
## Math

Flint is purchasing a home for $115,750 and is financing 85% of it. The documentary stamp tax on the deed in his state is $0.70 per $100 portion thereof. How much will he pay for the documentary stamp tax? a.$1405.54 b.$1653.57 c.688.71 d.810.25 My answer

*asked by Steve on January 26, 2018* -
## calc 3

The length script l, width w, and height h of a box change with time. At a certain instant the dimensions are script l = 7 m and w = h = 5 m, and script l and w are increasing at a rate of 6 m/s while h is decreasing at a rate of 4 m/s. At that instant

*asked by Becky on September 21, 2012* -
## Math

A boy is mowing a rectangular lawn 40ft long and 30ft wide. He has cut all of it except for a rectangle that is 20ft long and 15ft wide. What fractional part of the lawn remains uncut? I need helping figuring out how to solve this. My answer sheet says its

*asked by Jess on November 13, 2016* -
## Physics

A girl coasts down a hill on a sled, reaching a level surface at the bottom with a speed of 6.2 m/s. The coeﬃcient of kinetic friction between runners and snow is 0.059, and the girl and sled together weigh 736 N. The acceleration of gravity is 9.8 m/s^2

*asked by Taylor on November 5, 2013* -
## chem

Different manufacturers claim to have the best antacid. Which of the following tablets would neutralize the most acid for the money? Write a balanced chemical equation along with your answer. a) Rolaids (550 mg CaCO3 and 110 mg Mg(OH) per tablet) - 150

*asked by John on October 25, 2015* -
## Chemistry

please show me step by step how to do this so i can figure out the rest We add excess Na2CrO4 solution to 42.0 mL of a solution of silver nitrate (AgNO3) to form insoluble solid Ag2CrO4. When it has been dried and weighed, the mass of Ag2CrO4 is found to

*asked by Hannah on September 9, 2015* -
## statistics

i bought a vegetable seed pocket containing 20 seeds. A manufacturer label on the pocket said that the seeds have at least 90% germination rate. I planted all 20 seeds following their instructions in preparing soil and water. They told me if an "unlikely

*asked by cdizzle on January 20, 2015* -
## Literature

what is an example of modern day hero? because my work asks me to compare modern heroes with Huck and Jim from Huck Finn. I need to tell if modern heroes will give up their lives and freedoms for friendship, loyalty and other important things...the answer

*asked by Bella on February 19, 2009* -
## Pre-Calc 20

**EDIT** A rectangle has a diagonal of 18cm. The diagonal creates a 60 degree angle at the base of the triangle. Write an exact expression for the base and the height of the triangle. My teacher wants the base and height answered in roots so do you think

*asked by Julie on September 23, 2016* -
## Pre Calc

I am familiar with this type of problem but can't seem to get the right answer. Use the given zero to find the remaining zeros of each function f(x)=x^4-9x^3+7x^2-91x-348,zero 5-2i I normally would use synthetic division with the root 5-2i bringing it down

*asked by Zach on November 13, 2009* -
## chemistry

In which of the following pairs of compounds are both members of the pair ionic compounds? Explain a. Pl3 and HBr b. H2S and NCl3 c. LiF and H20 d. LiI and NiO DrBob222 you said you would choose the answer d and I should know how to figure this out. I

*asked by Lisa on February 9, 2014* -
## Physics

A centrifuge in a medical laboratory rotates at an angular speed of 3500 rpm (revolutions per minute). When switched off, it rotates 70.0 times before coming to rest. Find the constant angular acceleration of the centrifuge. (Assume the initial direction

*asked by Gina on October 14, 2010* -
## Physics

A cart loaded with bricks has a total mass of 22.3 kg and is pulled at constant speed by a rope. The rope is inclined at 27.3◦degrees above the horizontal and the cart moves 9.3 m on a horizontal surface. The coefficient of kinetic friction between

*asked by I Need Help on April 8, 2014* -
## Physics

A gray kangaroo can bound across level ground with each jump carrying it 8.4m from the takeoff point. Typically the kangaroo leaves the ground at a 23 angle. 1. Provide knowns and unknown values. 2. What is the initial velocity or takeoff speed? 3. What is

*asked by Yuki on September 27, 2012* -
## Math

The density if a sample is 5.8g/cm^3. the sample fills a cylindrical container whose hieght is 10.2 cm and whose radius is 4.3cm Find the mass of the sample. Mason, I'm sure the reason you haven't received any responses yet is that you haven't indicated

*asked by Mason on July 23, 2007* -
## physics

A 14.7 kg crate is pulled up a rough incline with an initial speed of 1.5 m/s. The pulling force is 124.0 N parallel to the incline, which makes an angle of 11.0 ◦ with the horizontal. The coeﬃcient of kinetic friction is 0.31 and the crate is pulled a

*asked by Anonymous on November 9, 2012* -
## Algebra

Could you please check my work. Determine whether the realtion is a funtion. 2.{(-6,2),(-2,5),(3,2),(3,-7)} -Not a function 2. Determine whether the equation defines y as a function of x. 2x+4y=15- the answer I got is y is a fucntion of x. Evalute the

*asked by Soly on August 30, 2007* -
## spanish

Using verbs ser & estar how do I answer these question. 1. Donde esta Ecuador? Esa en America del Sur 2.Donde esta Mexico? Esta en America del Norte 3. Que e un parque? Es un lgar conarboles, planas y es usado por las familias para divertirse.

*asked by Evon on March 19, 2012* -
## chem - help!

Different manufacturers claim to have the best antacid. Which of the following tablets would neutralize the most acid for the money? Write a balanced chemical equation along with your answer. a) Rolaids (550 mg CaCO3 and 110 mg Mg(OH) per tablet) - 150

*asked by John on October 26, 2015* -
## Chemistry

Describe how you would prepare 250.0 mL of a 0.1500 M NaCl solution given that the NaCl is supplied as a solid. Describe how you would prepare 1.25 L of a 0.025 M sucrose solution from a stock solution with concentration of 5.00 M. What is the benefit of

*asked by Caitie on April 29, 2015* -
## Physics

A 65-kg astronaut pushes against the inside back wall of a 2000kg spaceship and moves toward the front. Her speed increases from 0 to 1.6 m/s If her push lasta 0.3 seconds what is the average force that the astronaut exerts on the wall of the spaceship??

*asked by Hang on November 13, 2016* -
## Geometry

Can someone please check these for me. I have to leave answers in Pi. Find the Volume of a right cone with radius 6 height 10 V=1/3 pi r squared*h =1/3pi (6)^2(10) =1/3(360)pi =120pi Find the volume of a sphere with radius 3cm V=4/3 pi r^3 =4/3 pi3^3

*asked by DANIELLE on July 9, 2007* -
## Religions of the World

How has modern civilization impacted the spritual lives of the indigenous people? Are indigenous religions still practiced today? If so how have the practices changed over time? These questions are WAY too broad to answer intelligently. You need your

*asked by Barbara on October 2, 2006* -
## Business Communication

Which of the following would be classified as an informative or positive message? a) A request for information b) An announcement of a policy that reduces benefits c) A memo for the file recording actions and rationales d) A letter to an employer

*asked by Hanna on February 24, 2011* -
## astronomy

The luminosity of the Sun is 4*10^33 erg/s, and its radius is 7*10^10 cm. You are tasked with building a solar power plant in the Arizona desert, using solar panels with 10% efficiency. How large an area (km^2) must your solar panels cover to match the

*asked by Tsambikos on October 1, 2015* -
## math

you plan to survey people to see what percent own their home and what percent rent. tell whether the following will give a random sample. justify ur answer. a you interview people outside a pool supply sotre in the suburbs. b you interview people in the

*asked by tannu on September 13, 2008* -
## Statistics

use the stem-and leaf plot below to answer questions 11-13. Assume that 30/0=300 30/0 31/2 2 32/1 5 33/0 3 6 34/4 5 7 8 35/1 1 2 9 How many numbers are in the original data set? 6 16 22 9 What is the largest number in the data set? 9 22 35 359 If this data

*asked by Kathryn on August 26, 2014* -
## 7th grade math

Gerald found a $24.99 backpack that he’d like to purchase from the sporting goods store. The current promotion involves scratching a card to reveal a discount that can be 5% off, 15% off or 25% off. Each of the three discount options is equally likely.

*asked by mythreyee on August 25, 2016* -
## Physics

A cart loaded with bricks has a total mass of 22.3 kg and is pulled at constant speed by a rope. The rope is inclined at 27.3◦ degrees above the horizontal and the cart moves 9.3 m on a horizontal surface. The coefficient of kinetic friction between

*asked by Emeera on March 15, 2014* -
## Janine

You order fifteen burritos to go from a Mexican restaurant, eight with hot peppers and seven without. However, the restaurant forgot to label them. If you pick five burritos at random, find the probability of the given event. (Round your answer to three

*asked by Janine on December 1, 2014* -
## physics

Now a new block is attached to the first block. The new block is made of a different material and has a coefficient of static friction μ = 1.01. What minimum mass is needed to keep the system from accelerating? m1=8.8kg theta=34 k =159N/m tension in rope

*asked by laura HELP SOON PLEASE on October 16, 2018* -
## Physics

A 4610 kg helicopter accelerated upwards at 2 m/s^2. What lift force is exerted by the air on the propellers? I was given this reply: The air force on the prop blades is what accelerates the helicopter upward. Use good old Newton's second law: F = M a

*asked by Einstein on December 15, 2007* -
## Chemistry

Sam Student calibrates a flask with water at 20C. Patricia Pupil borrows the flask and Sam's calculated volume for the flask, and uses it to do her unknown at 25 C. What, if any specific effect will this have on the results of Patricia's density

*asked by Emily on September 27, 2011* -
## Business Communications

Which of the following selections contains a run-on? If none of the selections contains a run-on, select "Correct." A. Everyone praised Matthew for his will power. B. He quit smoking five years ago, he still craves a cigarette from time to time. C.

*asked by Rain on July 7, 2010* -
## Physics

In a lightning bolt, 16 C of charge flows in a time of 1.5 10-3 s. Assuming that the lightning bolt can be represented as a long, straight line of current, what is the magnitude of the magnetic field at a distance of 24 m from the bolt? please tell me

*asked by Mary on September 28, 2007*

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