Questions Asked on
September 19, 2016

English
In the Night The Bed Fell, what is the father's reaction to the scene he discovers when he opens the attic door? He is ready to chase a burglar He's worried someone's been hurt He wants to know what's happened He's glad that everyone's all right My answer
asked by LaLa 
chemistry
How many kilojoules are required to melt 15g of ice at 0 degrees C, and raise the temperature of the liquid that forms to 85 degrees C?
asked by Todd 
CHECK MY ANSWERS American Government
*** By my answer Please check! 1. Which statement best describes the importance of the Magna Carta? (1 point) British judges should hold judicial power. Even the king must respect certain rights of the people.*** Federalism is the best form of government.
asked by Anonymous 
Social studies
what was the primary reason thomas hooker left the massachusetts bay colony and founded the connecticut colony? A. His religious ideals conflicted with the Puritan beliefs B. He desired to move further inland where soil was better for farming C. He though
asked by Helppp 
American Government
1. Thomas Hobbes and John Locke were European philosophers who influenced American founding documents with which theory? A. social contract theory B. divine right of kings theory C. no taxation without representation theory D. equal pay for equal work
asked by Jessica 
math
In a farm, the farmer counted 78 legs and 35 heads consisting of cows and hens. How many hens does he have?
asked by Cheng 
Biology
I would like some help if that is OK, like soon!:) 1.) A group of scientists proposes an idea that a chemical compound will enable bean plants to grow faster. They grow one group of bean plants in the presence of the compound and another group in the
asked by Jessica 
Social Studies
A class is selling magazines as a fund raiser. Of the 500 magazines sold, Amy sold 1/9 of them. Garrett sold 0.145 of the magazines. Robbie sold 11/100 of the magazines, and Carlita sold 0.095 of the magazines. Who sold the most?
asked by HELP! 
Algebra
A meteorologist announces that yesterday’s high temperature was within 4° Celsius of 18° Celsius all across the country. Write an inequality that involves an absolute value to represent yesterday’s high temperature. Solve the inequality and explain
asked by Fading 
math
the mass of 3 dictionaries and 2 textbook is 8 kg and the mass of 3 dictionaries and 3 textbook is 9 kg. find the mass of 5 textbooks?
asked by murtaza 
Math 6th grade
Mr.Baker has baked some muffins. If he packs them in boxes of 4, he will have 3 left over. If he packs them in boxes of 5, he will also have 3 left over If he packs them in boxes of 6, he will have only 1 left over. Find the least possible number of
asked by Andrea 
English
1. In which of the following selections is point of view used to highlight contradictions in what is being described? A) "Aztec Creation story" B) "Day of the Butterfly" C) "At the Tourist Centre in boston"** D) "Two Bodies" 2. Which of the following
asked by Starcatcher 
math
Tony had an equal number cranberry bars and walnut bars. He gave away 66 cranberry bars. He then had 4 times as many walnut bars as cranberry bars left. How many bars did he have at first?
asked by Lillianna 
Math
Jon's car can travel an average of 35 miles per gallon. Write an equation to represent how many gallons he will need for a trip of 656 miles
asked by No name 
History
Which of the following is the purpose of the North Atlantic Treaty Organazation? A.) Econimic Aid B.) Open Borders C.)Sea Patrolling D.) Common Defense Is it B?
asked by Redneck 
Math
Suppose the amount of bacteria growing in a perti dish is represented by the function b(t)=50t/t+1 Evaluate the function at t=1,2,5,10,15,20 (a) constract a table of values (b) use the table to sketch a graph.
asked by Loko 
Math
A class is selling magazines as a fund raiser. Of the 500 magazines sold, Amy sold 1/9 of them. Garrett sold 0.145 of the magazines. Robbie sold 11/100 of the magazines, and Carlita sold 0.095 of the magazines. Who sold the most?
asked by HELP! 
Physics
A 10ft,25lb seesaw is balanced by a little girl with a weight of 50lbs and her father with a weight of 200lbs at opposite ends. How far from the seesaw's center of mass must the fulcrum be placed?
asked by Hana 
Math
find the digit that makes 2,72_ divisible by 6.
asked by HELP! 
college practical statistics
Five coins are tossed 3200 times find the frequencies of distribution of heads & tails & tabulate the results. Calculate the mean number of success & the standard deviation.
asked by sathya 
Social Studies
Apply your knowledge of Texas' economic development and geographic regions to explain where in Texas you would convince a tech company to locate. Explain why you would steer them away from other regions of the state.
asked by Smiley 
Math
Janice thinks that 20 hundredths is equivalent to 2 thousandths because 20 hundreds is equal to 2 thousands
asked by Shameiz 
Science
10. How can serveying reading material improve your comprehension? (1 point) > Knowing the main ideas ahead of time helps you know where to focus your attention**** > Reciting the answers to questions out loud will help you remember them > Reading your
asked by Lexi 
English
Identify the part of the following topic sentence that does not belong. The campus paper spends too much time covering football, in my humble opinion
asked by Ssm 
Algebra 2
1. Convert the 5th root of x^3 into a rational expression. 2. Solve i^63 I don't know how to solve these so please help me!!!
asked by Anon 
algebra
h/j=15 for j
asked by Melody 
Health
In order to make healthy choices you must learn to what risks? A. Ignore B. Advocate For (C.) Evaluate (My Answer) D. Take More
asked by Ashlie 
Chemistry help please!
Why does a clear, saturated solution of PbI2 form a yellow precipitate when a small amount of KI is added to the solution? A. KI is insoluble in PbI2. B. PbI2 is always insoluble in water. C. Adding KI is like adding I, which drives the reaction toward
asked by Laura 
physics
As two trains move along a track, their conductors suddenly notice that they are headed toward each other. The figure gives their velocities v as functions of time t as the conductors slow the trains. The figure's vertical scaling is set by vs = 40.0 m/s.
asked by fotran God 
History
Both William Bradford and John Smith helped found American colonies. How did their actions differ? Bradford developed cashcrop agriculture, while Smith focused on subsistence farming. Bradford had little involvement with colonial government, while Smith
asked by Anonymous 
Maths
The area of small rectangular plot is 84meter square . If the difference between it's length and breadth is 5m find its perimeter
asked by Lovepreet 
Math
Complete each ratio table: ___ 12 18 24 4.5 ___ ___ 18 80.8 40.4 ____ 10.1 ___ 512 256 ____ How do you complete a ratio table I have never done this before. Please help me. The spaces that I put are for the answers for each table.
asked by MattPlease Help 
social studies
Explain the relationship of spindletop's location in Texas to its importance on the economic development of Texas and the United States?
asked by pier 
Commom Core Algebra
how do I rewrite the following expression as an equivalent product of two binomials? x(x+2)+3(x+2)
asked by Nikki 
Physical Science
What is the average kinetic energy of a nitrogen molecule, N2 in the air for 100 degrees Fahrenheit?
asked by Keke 
Chemistry
A sample of 5.52 grams of NaOH is dissolved into 659 mL of aqueous 0.250 M NaOH (assume no volume change). This solution is then poured into 1.52 gallons of water. (You may assume that the two volumes can be added.) What is the concentration of NaOH in the
asked by Greatest 
Math
Clark wants to give some baseball cards to his friends. If he gives 6 cards to each of his friends, he will have left. If he gives 8 cards to each of his 5 card friends, he will need 7 more cards. How many friends is he giving the cards?
asked by Anonymous 
Algebra
A gardener has a border of flowers around a rectangular vegetable garden. The vegetable garden is 5 ft x 2 ft, and the flower border has a uniform width of 1 ft and is 7 ft x 4 ft. What is the area of the flower garden only? 4 ft^2 10 ft^2 18 ft^2*** 28
asked by Fading 
Social studies
how was the government outlined in the fundamental orders of connecticut (FOC) different from the government in massachusetts? Select all that apply. A. The FOC gave the vote to all men who were property owners B. The FOC limited the governor's power which
asked by Helppp 
physics
a glass block weighs 25N in air . when whole immersed in water, the block weighs 15N. calculate the relative density of glass
asked by zari 
Math please help
Celeste is making fruit baskets for her service club to take to a local hospital. The directions say to fill the boxes using 5 apples for every 6 oranges. Celeste is filling her baskets with 2 apples for every 3 oranges. Complete the tables to find
asked by Matt 
biology/science
Oxygen attracts electrons more strongly than hydrogen does. What kind of bond forms between the two hydrogen atoms and single oxygen atom that form a water molecule? A. A metallic bond B. A hydrogen bond C. An ionic bond D. A polar bond Currently stuck
asked by Logan 
Math
Compare the values of each of the digits 337 The 3 in the tens place is the value of the 3 in the hundreds place.
asked by Liz 
maths
write 378cm to the nearest metre
asked by Anonymous 
physics
a bullet of mass 20 gram is horizontly fired with a velocity 150 mtr/sec from a pistol of mass 2 kg. what is the recoil velocity of the pistol?
asked by geethika 
Grade 10 Math
Tanesha needs to measure the height of a flagpole. She is 5'9" tall. She finds that if she stands 12 ft from the base of a flagpole, the top of her head touches the guy wire holding the flagpole up. The guy wire is anchored 15 ft from the base of the pole.
asked by Becky 
maths trignometry
Prove that. √seca+2sina/seca2sina=Sina+cosa/sinacosa
asked by Aditya 
World History
How did China become a feudal state under the Zhou? A.The Shang shared regional power over lands with the Zhou. B.Warlords overran regions and set up their own kingdoms.* C.The Zhou awarded control over lands to their supporters. D.Groups of regional
asked by Hannah 
science chemistry
balance Redox : CuS + SO4² = CuO+SO2
asked by Yashvi 
Math
For each babysitting job, Ashley charges $2.50 for bus fare and $8.00 per hour for each hour she works. She charged $30.50 for her last babysitting jib. Write an equation representative if this situation. Do not solve it. What does the variable represent?
asked by Amy 
World History
Which of the following most likely caused the prosperity of Gupta India? A. Strong Hindu religious policy. B. Powerful central government. C. Tribute paid by the conquered. D. Mining extensive gold deposits. Is the answer C? Thank you in advance😃
asked by Anonymous 
maths help me
an engine pumps water from a river 10m an below its own level and discharge it through a nozzle of diameter 10cm with a speed of 50m/ s.find the power required assuming a.no losses b.70% efficiency.water weighs 10^3kgm^3 {g=10ms^2} help me
asked by dams 
Math
The cost (in dollars) of producing x air conditioners is C=g(x)=560+40x. Find a formula for the inverse function g−1(C).
asked by Laura 
math
the mass of 3 dictionaries and 2 textbook is 8 kg and the mass of 3 dictionaries and 3 textbook is 9 kg. find the mass of 5 textbooks? math  Steve, Monday, September 19, 2016 at 5:17am 3d+2t = 8 3d+3t = 9 clearly, t=1 i cant understand it math  Steve,
asked by murtaza 
Physics
Sam and Terry find a 30.0 m deep wishing well and decide to make a wish. Terry throws a penny down the well at 3.00 m/s and Sam throws a penny up in the air at the same speed. If they threw them at the same time, how much time would there be between
asked by Fred 
4th grade math
Elizabeth has 45 cents in her pocket.none of the coins are pennies.Make a list of all the combinations that could be in Elizabeth's pocket. I am so confused. (:V)
asked by Anonymous 
math
For the following two numbers, find two factors of the first number such that their product is the first number and their sum is the second number. 60, 23
asked by baba 
Physics
A woman stands on a bathroom scale in a motionless elevator. When the elevator begins to move, the scale briefly reads only 0.70 of her regular weight. 1).Calculate the magnitude of the acceleration of the elevator. Express your answer to two significant
asked by Alex 
physics
A puck is released on an air table inclined by 0.1rd with respect to horizontal. By applying the principle of conservation of the mechanical energy of the system ,calculate the velocity of the puck after 40 cm journey along a line of greatest slope.
asked by angy 
Science
A rock is held steady over a cliff and dropped. 1.1 seconds later, another rock is thrown straight down at a speed of 12.1 m/s, and hits the first rock. How far have the rocks dropped before they collide? How long is the first rock in the air before it
asked by Gabriel 
Math, please help! :)
What number can be inserted in the set 9, 12, 17, 5, 13, so that the median of the numbers in the resulting list is 14? a.12 b.13 c.14 d.15
asked by Myah ^_^ 
Chemistry
The mass of an empty container is 91 g. The mass of the container filled with water is 111 g. What is the volume of the container? The density of water is 1 g/cm3 .Answer in units of cm3 20cm3 016 (part 2 of 5) 1.0 points The container was emptied, dried,
asked by Katie 
chemistry
One isotope of a nonmetallic element has mass number 16 and 7 neutrons in the nucleus. The anion derived from the isotope has 10 electrons. Write the symbol for this anion. I thought the answer was O^2 but this isnt correct
asked by Dani 
physics
A flowerpot falls from a window sill 27.7 m above the sidewalk. What is the velocity of the flowerpot when it strikes the ground? The acceleration of gravity is 9.81 m/s 2 . Answer in units of m/s.
asked by haven 
physics
An electric vehicle starts from rest and accelerates at a rate of 2.3 m/s2 in a straight line until it reaches a speed of 24 m/s. The vehicle then slows at a constant rate of 1.5 m/s2 until it stops. (a) How much time elapses from start to stop? (b) How
asked by fotran God 
math
A kite is attached to a string. Find the length of string,when the height of the kite is 60m and the string makes the angle 30 degree with the ground.
asked by komal 
Chemistry please help!
What happens to the following reaction at equilibrium if the pressure is decreased? 2H2(g) + O2(g) 2H2O(g) A. The equilibrium shifts left because Q > K. B. The equilibrium shifts right because Q < K. C. The equilibrium shifts left because Q < K. D. The
asked by Laura 
Biochem
Using stocks of 0.1 M KH2PO4 and 0.1 M K2HPO4 how much 0.1 M K2HPO4 is needed to prepare 20 mL of a buffer solution at pH 7.2. The pKa of phosphate is 6.82. I know to solve for the ratio using henderson hasselbach but im lots after that! 5.2=6.82+log(A/HA)
asked by Ellen 
physics
A car accelerates uniformly in a straight line from rest at the rate of 3.9 m/s2 . What is the speed of the car after it has traveled 56 m? Answer in units of m/s.
asked by haven 
chem
If you were asked to convert 25 cg to the unit hg, which of the following would be the first fraction used in the conversion? 1 hg/10^2 10^2/1hg 10^2 hg/ 1cg 10^2 g/1 cg
asked by Sarah 
math
Joe is training for a triathlon by biking and running. He would like to run 24 miles and bike 36 miles total. He plans to run and bike the same amount on each day of his training. What is the greatest number of days that Joe can spread out his training
asked by kurbria 
Math
Restaurant has 300 tables. 1/10 are reserved. How many tables are reserved?
asked by Debra 
Health
Which of these is an example of a hereditary risk factor? A. Smoking B. Eating Junk Food Everyday C. Being A Couch Potato D. Having Fair Skin That Is Prone To Sunburn I don't know which one I should choose. PLZ HELP.
asked by Ashlie 
Influential Ideas and Events Quiz( Check Answers)
(The sign "*" means that's my answer I chose for the question) Part A What is the basic independent unit of world politics? a) country b) province c) nation* d) organization Part B Which of the following groups is an example of the basic unit you selected
asked by Unknown 
Trigonometry
A boat is 100 m from the bottom of a 75 m high cliff. Calculate the angle of elevation from the boat to the top of the cliff. (I've been trying to solve it but i have no idea how
asked by Unknown 
math
a store bought flower pots for 1,200 sold for 2,700 with a profit of $30.00. How many flower pots sold
asked by Jimi 
Math
Find the percent change. Round to the nearest percent. 215 1/2 lb to 133 1/4 lb $315.99 to $499.89
asked by Jessica 
MATH
define a variable to represent a real life quantity, such as length in centimeters or money in cents. then use the variable to write a mathematical expression to represent one of your daily activities. describe in words what your expression represents and
asked by John Dosley 
chemistry
The diameter of a neutral neon atom is about 1.4 ✕ 10^2 pm. Suppose that we could line up neon atoms side by side in contact with one another. Approximately how many neon atoms would it take to make the distance from end to end 1 cm? I did 1.4 x 10^2 pm
asked by Dani 
physics
A homologous rod of mass M=20kg of length L=3m and of negligible crosssection rests initially on the horizontal ground chosen as a reference level for the gravitational potential energy. The rod is rotated about one end until it takes a vertical position
asked by angy 
Math
The second part of the question says compare the ratios. Is Celeste using the correct ratio of apples to oranges?
asked by Matt please help 
Math 115
A department store is offering a coupon for 28 % off for any purchases over dollarsign Baseline 100. Construct a piecewise function for the actual cost, C, of the purchase as a function of the original purchase price, P. When 0
asked by Daniela 
Math
Carly and Kyle decided to count the number of red, blue, and yellow cars that they saw. They counted twice as many red cars as blue cars. The number of yellow cars they counted was one third of the number of red cars if they counted a tote of 33 cars. How
asked by Sara 
Math
1. Gerald received the following test scores in math class: 76, 86, 89, 81, and 99. What was Gerald’s average test score, rounded to the nearest point?
asked by Devon 
science
Johnny stacked 200 cans, each weighing 5 N, on shelves 1 meter high in only 100 seconds. How much power did he use for the task?
asked by dolly 
Math115
Create a piecewise function of the following scenario where Upper D leftparenthesis t rightparenthesis is the total distance walked (in miles) as a function of time t (in minutes): “You begin a walk from your home at a fast pace of 4 miles per hour for
asked by Brita 
Math 115
Create a piecewise function of the following scenario where D(t) is the total distance walked (in miles) as a function of time t (in minutes): “You begin a walk from your home at a fast pace of 4 miles per hour for 30 minutes. You rest for 10 minutes,
asked by Daniela 
Science
THANK YOU DRWLS. I just wanted to thank you because you have been a major part of my successes in High school. Your answers are always clear, easy to understand, and most importantly correct! I just wanted to expresses my gratitude as you are truly the MVP
asked by BlueishLocket 
Physics
Tiffany throws a ball with a velocity of 5 m/s. As soon as it leaves her hand, the ball makes an angle of 30 ° with the ground. What are the x and y components of the velocity of the ball?
asked by Kinematics 
Math
Deternmine the volume of a cylinder with a radius of 5cm and a height of 30cm. How long would it take it to fill this cylinder with water if you were using a fountain with a flow rate of 2400 mL/min? 1cm^3=1mL
asked by Les 
physics
A capacitor with a capacitance of C = 25.7 μF is slowly charged by a constant current of I = 45.7 nA. How long does it take to charge the capacitor to a voltage of V = 29.4 V?
asked by andrea 
Calculus
Find a value for k so that the function is continuous. f(x) = {(x^2 + 2x  15)/(x  3), x ≠ 3 and 2kx  4, x = 3 Is k = 2?
asked by Anonymous 
Algebra
Consider the following system of equations. Solve and write as a coordinate point. 5x+4y=14 3x+6y=6 Please help and thanks
asked by Adam 
Trigonometry
Hello, is there any way to calculate arctan (2) without using calcultor? And what is that way?
asked by Arthur 
physics
Two ropes are pulling upward on a large crate. The weight of the crate is 458 N. The tension in the left rope is the same as the tension in the right rope.If the crate is accelerating upward at a rate of 1.95 m/s2, and the tension in the two ropes is the
asked by taylor 
Algebra
You and a friend eat tacos. You order 2 tacos and 5 burritos which equals $19. Your friend orders 1 taco and 4 burritos which equals $14. Find the cost of a taco and a burrito. Please help
asked by Bill 
Maths
Two trains are running, on separate tracks, round a model railway layout. One completes a circuit every 40 seconds and the other every 55seconds. The trains start together at the station. How long, in minutes and seconds, will it be before they are at the
asked by Sk 
Math
Sachin completed 3/5 of a story books. She finds more 80 pages to complete the story book. What is the total no. of pages in the story books.
asked by Sania Reang 
Chemistry
H2S decomposes at 438k ,according to the following equilibrium: H2S(g)=H2(g)+S(s) Knowing that Kc=1.1*102,determine the gram amount of sulfur formed at the equilibrium coditions in a 5L flask ,where the initial concentration of H2S was 0.7M.
asked by Gianna mele 
Math
A grocery store sells 3 pounds of grapes for $3.45 another grocery store sells 5 pounds of grapes for $5.75 which equation represents the price of grapes
asked by Natasha 
Math 2
I need help with math 2 really bad !
asked by Caitlin 
English
1. I'd like you to get my permission next time. 2. I'd like you to ask my permission next time. 3. I'd like you to ask for my permission next time before uploading my photos. ================================ Are the sentences grammatical?
asked by rfvv 
English
1. Change the imperative sentences into more polite expressions beginning with "Do you mind if..." 2. When I say a sentence, you should say a more polite sentence beginning with 'Do you mind..." 3. _________________________________
asked by rfvv 
Physics
A Dare daredevil wants to jump his motorcycle across a 50 m Canyon a) If his speed is 30m/s and a ramp angle is 50 degrees where should the landing ramp be placed? b) With the same ramp what initial speed should he have if the landing ramp is 10 m from the
asked by Vanessa 
Lee college
two cars start driving in the same direction from the same place. If one travels 54 mph and the other 61 mph, how long will it take to be 49 miles apart?
asked by Jas 
History
How are intext citations for history journal articles and books supposed to be formatted? I am finding inconsistent information on the internet. Is it the same as APA (author last name, date)?
asked by Citations? 
Chemistry
If 33.8 mL of lead(II) nitrate solution reacts with excess sodium iodide to yield 0.865g of precipitate, what is the molarity of the lead(II) ions in the original solution? im not exactly sure how to start this problem. But i went ahead and gave it a shot
asked by Anonymous 
Math, science,English and social studies
Hi, do you help with homework? Do you help with reading? Paying money?
asked by Mafanta Dulleh 
sciences
What will be the effect on the colour of blue litmus paper when it is dropped in each of the following solution. 1. Water 2. Lime juice 3. Dilute hydrochloric acid 4. Sodium hydroxide solution.
asked by Ruby belley 
Math
Alanna is paid $12.25 for regular hourly rate for all hours worked from Monday to Friday with time and a half paid her for Saturday hours and double time for Sunday hours?
asked by Freeds 
Algebra
Kerry's car averages 25 mpg. She wants to find how far she can drive based on the gallons in her car. Choose the correct model fo this situation 25=d+g D=25g G=25 ( d is distance in miles and g is gallons of gas) What is the slope ? How far can she travel
asked by Juan 
Chemistry
Heating 1.0 mole of ammonia and 1.0 mole of molecular nitrogen at 723k in a 10L flask,the following equilibrium is observed: N2(g)+3H2(g)=2NH3(g) when the equilibrium is reached ,0.40 moles of molecular hydrogen are present in the flask,determine Kp and Kc
asked by Gianna mele 
Physics
A ball thrown horizontally from a point 26.0 m above the ground strikes the ground after travelling a horizontal distance of 23.0 m. With what speed was it thrown? Which equation should I use? V= DeltaX / Delta T A= Delta V / Delta T Horizontal motion
asked by Bex 
Math  Excel
Hi, I need to write an Excel formula and I am trying to double check my work. We are asked to find the difference and relative difference for this account. So the values are: $10,000 $10,700 $11,400 $12,100 $12,800 $13,500 etc. The difference for each is
asked by Carly 
science
The volume of a gas increases from 18.7 m3 to 25.1 m3 while the pressure changes from 1.82 atm to 1.41 atm. If the initial temperature is 353 K, the final temperature of the gas is K.
asked by nana 
Physics
A tennis player hits a ball 1.6m above the ground. The ball leaves the racket with a speed of 12m/s at an angle 8.0 above the horizontal. The net is a horizontal distance of 7.0m away from the player and is 1.0m high. a) does the ball clear the net?
asked by Brittany 
physics
A particle B of mass 10g is shot vertically upward from a point O with velocity 10m/s. The horizontal plane containing O is the reference level of the gravitational potential energy .Neglect all air effects. a) Calculate the mechanical energy of the system
asked by angie 
Algebra
Shark wireless charges 2 cents per text with a $25 monthly fee while Nova cellular charges 4 cents per text with a $15 monthly fee. Create a linear equation.
asked by Db 
accounting
In determining the viability of a strategic investment, several pieces of information are required, including the cost of the project, the projected cash flows, and the discount, or interest, rate. In the Guillermo Furniture Scenario, which costs would you
asked by gus 
math
a. The power of an electric appliance is given by the formula P=I^2R, where I is the current and R is resistance. Use this information to explain how you can use radicals to determine the current if the power and the resistance is given. b. Find the
asked by Steve 
Physics
A rocket accelerates upward at 3m/sec2 for 60 seconds when it releases a booster. How long will it take the booster to reach the ground from the highest point and what is its velocity as it is striking the ground? I'm unsure how to find the time if time is
asked by john 
physics
A particle B of mass 10g is shot vertically upward from a point O with velocity 10m/s. The horizontal plane containing O is the reference level of the gravitational potential energy .Neglect all air effects. a) Calculate the mechanical energy of the system
asked by angy 
algebra
What is the equation for the line with a slope of 7 and a yintercept of 1 ?
asked by Jack 
Science
What is the difference between saltwater and freshwater?
asked by Anonymous 
Social Studies
What is a name of a soldier in the Revolutionary War that was a low ranked soldier but then stepped it up?
asked by Mia 
Chemistry
10g of NOBr were added to a 5L flask and the temperature was fixed to 350K. The following equilibrium is reached : NOBr(g)=NO(g)+1/2Br2(g);The pressure measured at the equilibrium was 0.63 atm.Determine Kp and Kc. I need help to solve this problem.I
asked by Gianna mele 
math
a. the maximum velocity at which a vehicle can go around a level curve is given by the formula v=√µrg, where µ is the coefficient of friction, r is the radius of the curve, and g is the acceleration due to gravity. explain how radical expression can be
asked by John Dosley 
math
the mass of 3 dictionaries and 2 textbook is 8 kg and the mass of 3 dictionaries and 3 textbook is 9 kg. find the mass of 5 textbooks? math  Steve, Monday, September 19, 2016 at 5:17am 3d+2t = 8 3d+3t = 9 clearly, t=1 i cant understand it
asked by murtaza 
Math
Find the inverse function (if it exists) of h(x)=x4x+3. If the function is not invertible, enter
asked by DumDum 
Science
A bus travels first 20 km in 1 hour next 20 km in half an hour and next 20 km in 1 hour
asked by Vasu 
Math
Give a real world scenario in which you would write an inequality rather than a solution. Please help I can't think of a scenario.
asked by Senpai oniichan 
Chemistry
How does the polarity of water cause its cohesive property? Describe with an example that we can actually see. I really need help with this!!! Especially on describing an example that we can actually see..... Can someone please explain this to me and give
asked by Starcatcher 
Psychology 101
which of the following is TRUE? (Points : 1) IQ does not change. IQ tests favor minority groups. IQ tests typically measure creativity. IQ predicts success in school.
asked by Samantha 
US history
how did the Virginia colony survive with the help of the English colonists?
asked by brian 
Business (Health Care)
what is a recent health care business that has changed the way health care staff perform their jobs or the way patients receive services?
asked by Anonymous 
math
define a variable to represent a real life quantity, such as length in centimeters or money in cents. then use the variable to write a mathematical expression to represent one of your daily activities. describe in words what your expression represents and
asked by John Dosley 
Physics
Joseph drives his car 10 km [E20 °S] then 25 km[N]. What is his total displacement?
asked by Kinematics 
math
A fivefoot board is cut into two pieces. Use one variable to express the length of the two pieces
asked by jeny 
Algebra
Solve the system by elimination 2x+3y=4 5x+6y=7
asked by Sanan 
MATH
in the square, A represents the area of the square. Find the value of a such that A is equal to two times the square.
asked by John Dosley 
Maths
What are the factors of 117? I've tried, and I can't find them.
asked by Ksuper 
Pre algebra
how to simplify 12 divided by 3•(8+(4) to the seccond power6)+2
asked by Tyanna 
math
I've done these problems for the past 4hrs and i can't get them right please its my only questions left.112 1.x + 3 > 5 2.7 > x + 5 3.x  8 ≤ 6 4.4 < 6 + x 5.9x > 18 6.3x > 6 7.x/4>0.5 8.x/14>1/7 9.10 ≥ 5x 10.16 ≥ 8x 11.4x < 8 12.15 ≥
asked by plshelp 
algebra 1
I need to solve this inequality 3(x2)>3
asked by Amanda 
Precalculus
In triangle ABC, we have AB=3 and AC=4. Side BC and the median from A to BC have the same length. What is BC? Please help, I have no idea where to start.
asked by James 
algebra
What is the equation in slopeintercept form of the line that passes through (1,5)and has a slope of 3 ?
asked by Jack 
Algebra
System of equations for 6=Ab^3 18=Ab^2
asked by Terrance 
Math
What is the sum of the first 60 odd numbers?
asked by Lola 
math
a man sleeps 8 hours a day. how many hours can he sleep in a year?
asked by james 
calculus help me asap
if y^6=tanh^1(tan^4(4x^2+y^2)^2)^9 find dy/dx show work....
asked by marvin 
science
A 100 kg cart accelerates from 0 to 20 m/s in 5 seconds. What is the acceleration?
asked by nyeem 
Math
Solve for p 93=12(2)^p
asked by Sarah 
maths
sin(5x)+sin(7x)=0 live answer in radian form
asked by feliz 
Math
I need to make a crossword puzzle using scientific notation and standard form
asked by Jamie 
algebra  theory of numbers
Sum of divisors ofN
asked by sathya 
English grammar
Verb used in the following sentence 1)She.........to me after some days (talk,talked,will talk)
asked by Mukesh kumar 
Math
The speed limits on I70 is 4065 mph. A $ 10 fine is imposed on every mile above or below this speed limit.
asked by Mahmood 
Algebra
Verify the solution by choosing the correct coordinate point whic states 3x2y=2 5x5y=10 Answer choices: (0,1) (4,2) (2,4) (1,5) Thanks for the help
asked by Joe 
CHEMISTRY
BLEACHING AGENT OF CHLORINE(Cl)
asked by MWOMBEKI'S SON 
math
the mass of 3 dictionaries and 2 textbook is 8 kg and the mass of 3 dictionaries and 3 textbook is 9 kg. find the mass of 5 textbooks?
asked by murtaza 
social studies
what were the guaranteed jamestown success
asked by jack 
English
1. Do you want to stop practice? 2. Do you want to stop practicing soccer? 3. He sent a message to Tom about the photos uploaded on the website.  Are the sentences all grammatical? Would you check the please?
asked by rfvv 
ict
description of dvd+/rw
asked by tawanda 
Math
5*(9+5)48÷(8+4)
asked by Daniella 
maths
3 litres 300ml_ 1/2 litre
asked by Anonymous 
History
How was power lost in the Han dynasty
asked by Anonymous 
mathematics need help
find the parametric equation for the line with slope 3 and yintercept 2 where 't' is any real number?
asked by sam 
Math
Solve for x 4(log(x)+5)=6
asked by Sarah 
Science
Is mushroom, desert, temperature, coral, steak, athletes foot, mold, tree, rocks, dirt, gold, plastic, grapes, turnda Biotic, both, or abiotic
asked by Kitkat 
Math
If my clothes are like this the hundred digit is greater than 7 the tens is one more than the hundreds digit and the ones digit is less than 2 then what would my answer be
asked by Chloe 
math
Drow A line 7 centimetres divided in the ratio 2 : 3
asked by Anonymous 
English
1. (On June 6, 1897), they traveled (across the Golden Gate Bridge). 2. They have been producing vegetables and cotton (for many years). 3. (During most seasons), the crops grow well (in this central valley). Tell what each adverb phrase in () modifies. 1.
asked by HAYDEN 
Math
3 children each want to eat onethird of a pizza how many do I need to feed them
asked by Fafa 
science
I don't know what to do 4 science in my honners class
asked by Demitri 
math
How is a inequality different from an equation?
asked by Senpai oniichan 
Math
A bag contains 7 white, 15 blue, 14 red, 10 yellow, and 4 green marbles. What is the probability of selecting a white marble first and a green marble second?
asked by Tyler 
Math
Solve for x 8⋅4^2x−4=53
asked by Laura 
math
What is 46 and 33 gcf
asked by ggfhjgfdjgf 
bio
1. Complete the following conversions: 1ul= what mal I thought 1000 100ul = what ml 50ml = what ml ul=1.5 ul=0.06ml ul=0.003ml idk how to do this was not in lab
asked by sarah 
spanish
which neighborhood in chicago did cisneros live in from the house on mango street
asked by Tom 
English
Can someone please clarify what this means; a summary Analysis of your weekly monthly and semester time demands. Maybe and example of this
asked by Vee 
math
what is 0.7 x 0.02
asked by Evelyn 
maths
18 fives= _tens
asked by Anonymous 
Maths
2*2=4:+=4
asked by Anonymous 
mathematics help
solve for x? if x^2+j16=0 where j=sqrt(1)
asked by mathslover