Questions Asked on
September 21, 2016

Math
Write each rate as a unit rate. 4 championships in 16 years I don't understand how you would write the above as a unit rate. Please explain.
asked by MattPlease Help 
Math
A geometry class has a pizza party. there are 14 students that have a pizza. Each pizza has 8 slices. The teacher wants to buy the least number of pizzas so that they are the same number of slices for each student. (I know the answers, but I don't know how
asked by Claire 
english
Netta and Jim argued over their views of free trade. 2. Netta and Jim had different views on free trade. 3. Netta and Jim were sharply split over the issue of free trade. 4. Netta and Jim refused to discuss the issue of free trade. 16. In these four
asked by liz 
Math HELP HELP
(a+4b,ab) and (a3b,a) find the length of the line segment joining this pair of points.
asked by Maria 
Algebra 1
3 [422 (10^9^)]
asked by TJ 
Math
Write each rate as a unit rate. 180 passengers in 16 buses 180/16=11.25/1 11.25 passengers per bus Could you please double check my answer to see if I have it right.
asked by MattPlease Help 
mathematical physics
A metal sheet has ,on the average , 5 defects per 1.0 m^2. Assuming a poisson distribution , calculate the probability that a 1.5 m^2 piece of the metal sheet will have at least 4 defects.
asked by gourav bhardwaj 
mathematical physics
For a scaler field ϕ(x, y, z) = x^n+y^n+z^n, show that (🔻ϕ ).r = nϕ , where n is a nonzero real constant.
asked by gourav bhardwaj 
Math for Ms. Sue
I'm Claire's grandma; a retired teacher of science and supplemental in math. I am stumped on her question about pizza tonight. I'm working via phone with her. Would you mind taking a look at it. I know the answer, but not sure how to explain the results.
asked by Claire 
physics
a baseball is batted with a speed of 120 ft/sec at an angle of 37 degrees with the ground. find how long the ball is in the air, how high the ball goes, how far from the plate it is caught, and the components of the velocity of the ball 4 sec after it is
asked by kim 
Math
A store has apples on sale for $3.00 for 2 pounds. How many pounds of apples can you buy for $9.00? If an apple is approximately 5 ounces, how many apples can you buy for $9.00? Explain your reasoning. I am very confused on the above. Please help me
asked by MattPlease Help 
math
At the Natural History museum Paula saw 5 times as many beetles as spiders. She saw 6 more spiders than caterpillars. If Paula saw 50 insects and spiders, how many of each kind did she see?
asked by Anonymous 
Fluid mechanics
A vertical tube 3 meters long with one end closed, is inserted vertically with the open end down into a tank of water until the open end is submerged to a depth of one meter. What is the height of water inside the tube?
asked by Dourence 
Maths  Ratio
Angelique and Serena’s ages are in the ratio 5:3. Serena’s and Venus’ ages are in the ratio 6:5. If Angelique is 25 years older than Venus, calculate the average age of the three girls.
asked by ACU Strathgield 
Matrices
Solve the system using matrices. Show all the row operations that you use. 3x9y=30 2x+5y= 2
asked by Tayb 
Phyisics
A horizontal shelf moves vertically with simple harmonic motion of period 1.5 sec. What is the greatest amplitude that the shelf can have so that the objects resting on it never leav it?
asked by Riya 
Math
A length of a metal bar has a cross sectional square of 12cm. If the length is 2m, what is the volume of the metal bar in cm3?
asked by Lillie 
physics
an object of height 5cm is placed 20cm in front of a concave mirror of radius of curvature 20cm by graphical method, find image distance from the mirror
asked by mark 
Math
An aeroplane flies at an average speed of 950km/hr from town P(lat.40degreeS, long.29.5degreeW) due east to town Q and then due south to town R. If the distance from Q to R along their common longitude is 4,500km and the whole journey took 11 hours,
asked by Anonymous 
Monster college
A fertilizer manufacturing company buys certain raw materials by weight. EAch batch of raw materials purchaes is weighed and the weigh is recorded to the nearest pound. It is assumed that the roundoff error is uniformly distributed in the interval from
asked by Tatenda 
Maths
A biscuit manufacturer packs its biscuits into individual boxes using a machine. The weight is advertised on each box as 200 grammes. The machine has been operating for many years and is regularly inspected during production to ensure that it is operating
asked by Macdavie Maseko 
physics
if mass is not an issue then how much force is required to move a ten no. 'shake flashlight' .will it be equal to move a single flashlight or will have to work ten times more to shake these ten flashlights? Note these flashlights are based on magnetic
asked by vikram 
algebra
1.) suppose y varies directly as x.if x=24 when y=8 then what is the constant of variation? 2.) suppose y varies inversely as x if x=4 when y=8 then what is the constant of variation?
asked by jm tablate 
English
I need help with writing a really good thesis statement regarding the stories Popular Mechanics by Raymond Carver and The Judgement of Solomon and their parenting styles. It's supposed to be compare and contrast but I'm stuck. Please help me.
asked by Stephanie 
Math
Find the area of parallelogram if side AB = 10 cm,BC=15 cm,Diagonal =20 cm.
asked by Rajeev 
Math
A football coach divides 42 players and 12 coaches into groups. Each group will have the same number of players and coaches. What is the greatest number of groups that can be formed. Answer: 6 groups
asked by MattPlease Help 
math
A nut company produces two types of mixtures, regular and deluxe. The company is donating bags of mixtures for school picnic. A bag of regular mix has 4 oz of peanuts, 1 oz of cashew, and 3 oz of almonds. A bag of deluxe mix has 3 oz of peanut, 1 oz of
asked by rolly 
Physics
A vehicle of mass 1200 kg accelerates uniformly from rest to a velocity of 15 m/s in 5 seconds. It continues at this velocity for 15 seconds before decelerating uniformly at a rate of 5m/s2 to rest. Determine the following: (i)The acceleration (ii)The time
asked by J.Kruger 
Physics
A racing car of mass 850 kg accelerates from 20 km/h to 160 km/h over a distance of 300 metres. Frictional forces and wind resistance can be assumed to be 800N. Determine the following: (i)The average acceleration (ii)The time taken to accelerate from 20
asked by J.Kruger 
Maths
In triangle PQR,angle p=90degree if PQ=√3 and QR=2,then find the value of sinQ ,cosQ,tanR,SINR
asked by Pradhuman 
English
1. As it became darker, he turned the light on. 2. When it became darker, he turned the light on. 3. Because it became darker, he turned the light on. 4. After it became darker, he turned the light on.  What does #1
asked by rfvv 
physics
A joggler throws an apple vertically upward just enough to reach the ceiling exactly 4 meters from the jogglers hand . What is the initial velocity of the apple ?
asked by please help 
English
1. The sun having set, we started for home. 2. After the sun had set, we started for home. 3. Because the sun had set, we started for home.  Does #1 mean #2 or #3? 4. The sun set, so we started for home. 5. The sun had set, so we
asked by rfvv 
Physics
a solid of density 2700 kg/m³ and volume 0.0015 m³ is completely immersed in alcohol of density 800kg/m³.Calculate: 1) weight on solid in SI system 2) upthrust on solid in SI system 3) apparent weight of solid in alcohol 4) will the apparent weight of
asked by Khushi 
Physics
A 70kg wannabe stuntman at the edge of a roof top jumps vertical up with a speed of 4m/s and falls on a trampoline 2meters below where he started. If the trampoline acts like a Hooke's spring and does a maximum extension of 0.284m going down towards
asked by Veronica 
Physics
The system starts at rest. A mass of 20kg (m1) is connected to a pulley of uniform mass m=5kg and radius 10cm and a mass of 30kg (m2) hangs on the other side of the pulley hanging 2m above the ledge Find the tension of the strings I tried to find the
asked by Maddi 
Math
It's a riddle question. All six digits in the number even remember that zero is an even number one digit is use once and all the other digits is used twice is four times the hundreds digit 10 digit is the difference of the ones digit in the hundred digit
asked by Maria 
Math
Simplify: ((4/x)^(nm))×((2x^2)^m) I don't even know where to start
asked by A 
Differential equations
((3y^2)dx/(x^2+3x)) +( ( 2y ln ((5x)/(x+3))+ 3siny)dy=0 Please help me in solving this problem using exact differential equation. Thanks in advance.
asked by Anonymous 
History
Explain how scientists use evidence to interpret history Explain the features of early civilizations Identify the effects of Neolithic Revolution on humanity thanks in advance
asked by Student 
GOVT JUNIOR COLEGE MATHS
FIND THA NUMBER OF SIDES OF A REGULAR POLYGON IF EACH EXTERIOR ANGLE MEASURES. 30'
asked by NIZAM 
Physics
What is the airspeed relative to the ground of an airplane with an airspeed of 120km/h when it is in a 90km/h crosswind?
asked by Samantha 
ss
3.Which of Canada’s climate regions has very little vegetation and very cold weather for much of the year? maritime tundra subarctic [i pick] continental
asked by wolfie 
Math
I'm a parent and I my son had a test and this problem was wrong so I'm here trying to figure it out (3/4)3 can you help me please thank you
asked by Lurina 
Physics
If C⃗ = 5 i^  3 j^  4 k^, what is C⃗ × j^? If = 5  3  4 , what is × ?
asked by Brian 
Math
If 2016 people are on the circle, then who is the winner? And how can 2016 be related to the numbers such as 4,16, 24, and ect. If it doesn't multiply by the power of 2? Please help! I know that the numbers are multiplied by the power of 2 and 2016 can't
asked by Anonymous 
Algebra 2
A normal distribution has a mean of 240 and a standard deviation of 4.8. What is a zscore of 230? What is a zscore of 245? Round to the nearest hundredth. Enter your answers in the boxes. A Zscore of 230 is 6 A Zscore of 245 is
asked by Arianna 
Math
Solve (degrees): 3sin^2(x)11sin(x)4=0 It's just a quadratic but doesnt wprk?
asked by R 
physical sciences
A delivery Is travelling at a constant speed of 15m/s in a 60 km.h speed zone when the driver seems people walking across a pedestrian crossing 50m ahead of him.the driver takes exactly one second to react before he applies brakes as hard as he can.it
asked by ayanda 
history
( ) around my answer. If nothing is there then i don't know What is one important achievement of the Incas? A. a written language B. a system of democratic government C. a system of roads and bridges D. an accurate calendar What is one way in which the
asked by Someone 
chemistry
How many grams of fe is present in 30g of FeSO4
asked by Abdul Rehman umer 
8th grade mathexponents
I can't quite write the problem, so I'll try to explain it as best I can. In exponents and in fractions... (X/2) to the 3rd power times (X/2) to the 4th power...all over,or divided by, (X/2 to the 3rd power) to the 2nd power. The book says the answer is
asked by Logan 
Math
Two figures are similar with a similarity ratio of 4 and one side of the figure is 3 cm long. Find the lenght of the side of the similar figure. I don't really know if I have to try to do it like an equation or if there's a formula for this. Sorry if
asked by Marta 
physics
A pendulum is formed of a particle of mass 100g suspended from the end of an inextensible string of negligible mass and of length L=100cm. The pendulum is shifted by an angle of 60 degrees from its equilibrium position about a horizontal axis passing
asked by vicky 
Math
John painted 1/2 of a pole white and 3/8 of it green. What is the fraction he painted?
asked by Kevin 
SS
1. Which statement best describes nations? Nations must follow the laws set by the United Nations. Nations have less political power than do regional organizations. Nations interact almost exclusively with other nations in their region, Nations have
asked by GSMC 
Maths
The length of each of equal sides of an isosceles triangle is 4 metres less than twice the length of the third side.Find the dimension of the triangle of its perimeter is 57.
asked by Chicku Basu 
Math
Need help with adding subtracting decimals. In this unit, you learned about fractions that can be written as terminating decimals and fractions that can be written as nonterminating decimals. Create an addition word problem and a subtraction word problem
asked by Math plz help asap! 
Math
A farmer has 100.00 and he has to buy 100 budgies blue ones cost 10.00 green ones cost 3.00 and yellow cost .50 he has to buy at least 2 yellow and he can only spend axactly 100.00. This is a fifth grade math problem. I am a grandma trying to help my 10
asked by SandyReitan 
Math
Need help with adding subtracting decimals. In this unit, you learned about fractions that can be written as terminating decimals and fractions that can be written as nonterminating decimals. Create an addition word problem and a subtraction word problem
asked by Math plz help asap! 
Science
1. Which of the following is a good study habit? a.maintaining a positive attitude •• b.waiting until the last minute to start on an assignment c.listening to the television while studying d.studying when you are tired
asked by Keyla 
physical sciences
A delivery Is travelling at a constant speed of 15m/s in a 60 km.h speed zone when the driver seems people walking across a pedestrian crossing 50m ahead of him.the driver takes exactly one second to react before he applies brakes as hard as he can.it
asked by ayanda 
Math  check answer
Frogs have been breeding like flies at the Enormous State University (ESU) campus! Each year, the pledge class of the Epsilon Delta fraternity is instructed to tag all the frogs residing on the ESU campus. Two years ago (t = 0) they managed to tag all
asked by Amanda 
CAN SOMEBODY HELP MEEEEEEE!!!!!!!!!!!
Need help with adding subtracting decimals. In this unit, you learned about fractions that can be written as terminating decimals and fractions that can be written as nonterminating decimals. Create an addition word problem and a subtraction word problem
asked by Math plz help asap! 
spanish
How do you ask someone's name in Spanish? ¿Cómo somos? ¿Cómo se llama?** ¿Cómo eres? ¿Cómo soy? Which Spanish sentence means “The girl is impatient”? La chica es paciente. Ella es una chica inteligente. La chica es impaciente.*** Ella es
asked by oto 
Science
Calulations and observations to determine the molarity of given sodium hydroxide solution provided with M/20 oxalic acid solution
asked by Sandeep 
GOVT JUNIOR COLEGE
WHAT IS POLYGON
asked by NIZAM 
Science
2. Your friend John complains about his poor grades. You go to his house to study one day. The only place John has to study is at the kitchen table. While you are there, his younger brothers run through the kitchen screaming over and over again. What
asked by Lily p 
LA
characterization characters characters' motives characters' traits climax conflict exposition external conflict falling action internal conflict mood plot point of view resolution rising action setting short story theme What Do the mean
asked by Mary Jane 
English
Please check my answers! I'm like 92.7% sure there correct but I want to be sure. My answer has the ~~~. Which of the following is the indirect object in the sentence? Lizzie gave Charles a hige birthday gift. A.Lizzie B. Charles~~~ C. Huge D. Gift Which
asked by Mira 
physics
we launched a solid of mass m on an inclined slide. The natural length of the spring is Lo. Before launching, the spring is compressed to a length L. After launching the center of mass of the solid reaches the point A of altitude Z with velocity v. Neglect
asked by vicky 
Social Studies
What is one change Mansa Musa brought to Mali? A) He sent all of the scholars out of the empire. B) He brought Christianity to the empire. C) He made Islam the empire's official religion. D) He gave the provinces their independence Plzzz!!!! Help Me Plzzzz
asked by Valerie 
Algebra
6= x+2/3 help me solve this please
asked by leslie 
Maths
A regtanular garden measures 38m by 20m to the nearest metre. What is the maximum possible area of the garden?
asked by Anonymous 
History
Yesterday I posted about how I have to debate about Athens and Sparta about their women and children. I looked it up but it isn't helpful because all the information shows that Sparta women are treated better. How am I suppose to debate about the Athens if
asked by Anonymous 
Maths
Simultaneous equations... y = x^2  x  1 y = 2  3x Many thanks.
asked by Anonymous123 
Maths
Standard form. (3.4 x 10^7) x (4.5 x 10^4) So far I got to 15.3 x 10^3.
asked by Anonymous123 
math answer check
10. Knowing that you use 245 KWH 7am – 7pm and 165 KWH 7pm – 7am, answer the follow questions using the chart below. Constant Usage $0.05324/ KWH Daytimer (Most usage between 7am7pm) · As long as most power used is 7am – 7pm, then you receive a
asked by Anonymous 
math
1. Which of the following numbers is a rational? A. 4/5 B. square root of 27 C. 4.02002000200002... D. Square root of 31 2. Which type of number is shown below? 0.313311333111... A. repeating decimal B. rational C. irrational D. terminating decimal 3.
asked by bob 
Social Study's
I don't reall understand this question can some one tell me if I'm right? What is meant by the basic principle popular sovereignty The government is set up as a constitutional republic The people have the right to alter their government Congress has the
asked by Sage Withem 
Math
What is the solution to 5q=75? Please Help
asked by Valerie 
history
in a representative government what group had the power to make laws? judges governors male colonists** legislature please help me
asked by XRandomX 
Physics
While standing at the edge of the roof of a building, you throw a stone upward with an initial speed of 6.87 m/s. The stone subsequently falls to the ground, which is 13.5 m below the point where the stone leaves your hand. At what speed does the stone
asked by Anonymous 
8th grade mathexponents
I can't quite write the problem, so I'll try to explain it as best I can. In exponents and in fractions... (X/2) to the 3rd power times (X/2) to the 4th power...all over,or divided by, (X/2 to the 3rd power) to the 2nd power. The book says the answer is
asked by Logan 
math
What is the solution to r/3=12?
asked by Valerie 
english poetry
What effect does Bryant’s use of personification of nature have on the theme of the poem "Thanatopsis"? Thanatopsis William Cullen Bryant (1794 – 1878) To him who in the love of Nature holds Communion with her visible forms, she speaks A various
asked by collin 
8th Grade Mathexponents
Let me try writing it again... (X/2)^3*(X/2)^4  (X/2^3)^2 I keep getting X/2^6, but the book says X/2^5. How do you get X/2^5????
asked by Logan 
physics
A pendulum is formed of a particle of mass 100g suspended from the end of an inextensible string of negligible mass and of length L=100cm. The pendulum is shifted by an angle of 60 degrees from its equilibrium position about a horizontal axis passing
asked by vicky 
Science
1.Which of the following is a good study habit? A.maintaining a positive attitude ** B.waiting until the last minute to start on an assignment C.listening to the television while studying D.studying when you are tired 2. Your friend John complains about
asked by Dylan Webster 
Social Studies
What was the basic economic structure established by England? import/export economy? mercantilism? market economy? capitalism?*** Am I wrong?
asked by Ally 
Social Studies
What were some influences on selfgovernment? Select all that apply. Commentaries on the laws of England** The Columbian exchange English bill of rights Poor Richard's almanac**
asked by Ally 
Math
The lowest common multiple of two numbers is 36, one number is 12, what might the other number be?
asked by Dania 
Physics
A model rocket is launched at 62 degrees above the horizontal with an initial speed of 28m/s. the rocket travels for 4.5s along its initial line of motion with a constant acceleration of 13 m/s^2. At this time, the engine of the rocket stops and the rocket
asked by Bethany 
check my work
10. Knowing that you use 245 KWH 7am – 7pm and 165 KWH 7pm – 7am, answer the follow questions using the chart below. Constant Usage $0.05324/ KWH Daytimer (Most usage between 7am7pm) · As long as most power used is 7am – 7pm, then you receive a
asked by Anonymous 
S.S
1. Why did Thomas Paine write the pamphlet, Common Sense? a. to support conquering the Native Americans b to argue that more land should go to France and Spain c to show that loyalty to the monarchy was wrong d to pledge his loyalty to the british
asked by Bark 
Maths
Simultaneous equations not on a graph... = x^2  x  1 y = 2  3x
asked by Anonymous 
java programming
What is the name of the Java class used to create an object that reads input from the keyboard?
asked by joshy 
Social Studies
Why were Northern states in favor of Hamilton's protective traffic? The traffic protected the North from paying any additional fees when exporting their goods. The traffic allowed manufacturers in the North less expensive than imported goods. The traffic
asked by FluttershyK 
Math for Ms. Sue
A geometry class has a pizza party. there are 14 students that have a pizza. Each pizza has 8 slices. The teacher wants to buy the least number of pizzas so that they are the same number of slices for each student. (I know the answers, but I don't know how
asked by Frustrated 
Math
5/5334
asked by Kayla 
maths plz help
give the expansion sin^8@ as a series of cos@ plz help me show working where @ means theta
asked by sam 
Math :)
A pie chart is drawn to represent the numbers x, x+2 and 8. If the angle at the centre of the sector representing x+2 is 120 degrees, find the value of x.
asked by Grace 
physics
A riverboat travels with a velocity of 4.60 m/s from one shore to another. The velocity of the river is 2.30 m/s. If the width of the river is 72.0 m, how far does the boat travel downstream to reach the other shore?
asked by jh 
Geometry
1.Which choice shows a true conditional with a correctly identified hypothesis and conclusion? •If next month is January, then this month is the last of the year. Hypothesis: This month is the last of the year. Conclusion: Next month is January.
asked by GummyBears18 
Trig
Can someone check my answers? Find # of triangles possible:
asked by K 
maths
In a class of 60 students, the number of students who passed biology is 6 more than the number who passed chemistry. Every student passed at least one of the two subjects and 8 students passed both subjects. I) how many students passed biology? ii) how
asked by ob 
American Government
12. Read this excerpt from the U.S Constitution. To declare War, grant Letters of Marque and Reprisal, and make Rules concerning Captures on Land and Water; To raise and support Armies, but no Appropriation of Money to that Use shall be for a longer Term
asked by Jessica 
Geometry H
If BD is the angle bisector of
asked by Cody 
physics
A car is driving in the negative X direction at a steady speed of 15 m/s. if it starts at a position of 30m: What is its displacement in the first second? My answer was 15m and used XfXo (finalinitial) to find the displacement What is his displacement in
asked by Matt 
Math
william had 30 dollars. he spent one third on a book and save the rest. how much was the book and how much did he save
asked by Trev 
Math
The ratio of pens to pencils is 7:9. If there are 27 pencils, hoe many pens are there?
asked by Qiana 
History
Why couldn't women own property in Athens?
asked by Anonymous 
UMUC
identify the data that would need to be protected. Recommend how you would implement one or more of the access controls (listed after the scenarios) for the given scenario and justify your recommendation. Scenarios:
asked by Anonymous 
Algebra
What is 2u to the fourth power times v squared all divided by 3u
asked by Anonymous 
statistics
Assume the lifespan of light bulbs manufactured by Bright Inc. can be modeled with a normal distribution with a mean of 300 days and a standard deviation of 40 days. 70% of light bulbs produced by Bright Inc. survive longer than how many days?
asked by Saralynn Niealsen 
Chem
Which one of the compond are covalent HF RbF LiF NaF
asked by Marissa 
trigonomentry using either exponential or complex
give the expansion of sin^8@ as a series of cos@ plz help me i only know the normal way of doing that but i do not know how to apply complex number or exponential
asked by sam 
Government
If during the war, Congress has the power to declare war, what powers do the other branches of government have during the war?
asked by Stephanie 
Math
How do you figure this problem out I am trying to help my son with his homework but can't figure out how to solve problem. 18+9x(5+4)divide 35
asked by Anonymous 
PHYSICS
looking over the edge of a cliff, you become curious as to how high up you are. you take a rock and drop it over the edge and count. The rock strikes the ground in between 3 and 4 of your count. so let's estimate that it took 3.5s for it to hit the ground.
asked by Matt 
Geometry plz help
1.Which choice shows a true conditional with a correctly identified hypothesis and conclusion? •If next month is January, then this month is the last of the year. Hypothesis: This month is the last of the year. Conclusion: Next month is January.
asked by GummyBears18 
Physics
At a track and field meet, the best long jump is measured as 8.30 m. The jumper took off at an angle of 31 ° to the horizontal. What was the jumper’s initial speed?
asked by Bex 
biomechanics
A cyclist is coasting up a hill. At t=0, the cyclist has a velocity of 14.27 m/s. If the acceleration of the cyclist is constant at 1.67 m/s2, how long will it take the cyclist to come to a complete stop? If the peak of the hill is 40 m away from the
asked by Alice 
English
1. The sun having set, we started for home. 2. After the sun had set, we started for home. 3. Because the sun had set, we started for home.  Does #1 mean #2 or #3? 4. The sun set, so we started for home. 5. The sun had set, so we
asked by rfvv 
science
can someone check my answers? 1) which of the following statement about igneous rocks is correct? A. intrusive igneous rocks are formed when magma is cooled above the ground. b. extrustive igneous rocks are formed when magma is cooled above the ground. c.
asked by mole 
Math
Maggie has a ribbon 27 feet long what is the length of the ribbon in the yard
asked by Dimaomd 
Algebra
These are your test scores: 82, 78, 93, and 70. With an average of 80 for a B needed, what score do you need to get on your next test to have a B in class? x = grade needed
asked by Emelia 
Government
Who creates executive branch departments? The president or Congress
asked by Tiffany 
Algebra
Write the equation of the line in stasndard form that passes through the points 2,3 and 1,4
asked by Anonymous 
Science
what geographical features create natural boundaries for water to flow toward one ocean or another?
asked by Alyssa 
Chem
What is the final volume of 35.0 L of carbon dioxide gas at 28.9°C if the gas is heated to 96.3°C? Assume the pressure and the amount of gas are held constant.
asked by Ann 
Math
A very large book has pages numbered from 1 to 11521. How many times is the digit 3 printed?
asked by Albert 
math
marlene has 3 pieces of lace each measuring 1/7 meter, 5/15 meter and 3/7 meter. How long are pieces of lace put together?
asked by christine miranda 
Math
Grouping 2m^2+m2m
asked by Tim 
Math
It's a riddle question. All six digits in the number even remember that zero is an even number one digit is use once and all the other digits is used twice is four times the hundreds digit 10 digit is the difference of the ones digit in the hundred digit
asked by Maria 
Chemistry
The solubility of copper sulphate at 0 C
asked by Fahad 
Math
Two bus services A&B arrive at the station. service A arrives every 15 minutes, service B arrives every 20 minutes. The first bus arrives at 8 o'clock. When will both buses arrive at the station again?
asked by Denise 
math
Least to greatest square root of 5, 2.5 or square root of 3
asked by mya 
Physics
You're driving parallel to train tracks at 52.0 km/h when a train passes you, going a steady 91.0 km/h. A track crossing is up ahead, so you begin to speed up at 8.00 m/s2. How far do you drive before you pass the train?
asked by Dana 
Physics
You are thinking about taking gymnastics, so you go to the facility and get an idea of what to expect by looking out from the viewing room. The viewing room window is 1.50 m above the trampoline directly below, so it is perfect for viewing the the
asked by Brooklyn 
Science
We call zone of saturation the level to which the water fills all the interstices, or the pores, with the ground and all cracks minusclus of the rock/this fresh water supply exists in all the grounds. Why?
asked by Alyssa 
Math
A cup of cereal has 1212 grams of fiber, which is 40%40% of the recommended daily allowance. What is the recommended daily amount?
asked by Boo 
math
How can you use repeated subtraction to find out how many groups of 4 are in 20
asked by Sabrina 
Calculus
(kx^2)+m, x
asked by Alvin 
Math
There are 40 tables in a library, with 30% of them seating 44 people. The tables remaining only seat 22 people. How many seats are there in the library?
asked by Boo 
Math
Please how to solve the equations: y=43x and x=4y6 Thank you
asked by Anonymous 
chemistry
6 cm/sec to mph i got 9.664mph
asked by tom 
jay
For a trapezoid, the following formula relates the area A, the two bases a and b, and the height h. A=(a+b)2hA=(a+b)2h Solve for a. a=2Ah+ba=2Ah+b a=2A−bha=2A−bh a=2Ah−ba=2Ah−b a=Ah2−b
asked by math 
math
find the next three terms in 18,27,36,45
asked by nicole 
jay
The formula for the perimeter of a rectangle is P=2(l+w)P=2(l+w). Solve for w. w=2P−lw=2P−l w=p2−lw=p2−l w=p−l2w=p−l2 w=P2+l D?
asked by math 
Social Studys
This excerpt is from a citizen in england in response to the colonial outrage toward the stamp act. what central arguement of the american colonists against the stamp act is not understood by the writer? that trade was heavily restricted due to taxes,
asked by Darius 
English
1. To be poor, he could not buy the sports car. 2. Being poor, he could not buy the sports car.  Which one is correct? Is #1 correct grammatically?
asked by rfvv 
analytical chemistry
Calculate the concentration of the initial nitrate stock solution (in ppm) if exactly 0.361 g of KNO3 is dissolved in a 1 L volumetric flask with distilled water.
asked by Angel 
MATH
a drug has a half life of 5 hours. write the exponential function that gives the concentration of the drug over time assuming an initial concentration of 2 mg/ml
asked by Matt 
Psychology
What study strategies can you think of that would make effective use of the levelsofprocessing approach to memory?
asked by brooke 
Math
A fertilizer covers 5/8 square foot in 1/4 hour. i don't understand how to work out this math problem. By the way i'm in 6th grade but technically doing advanced math so i'm doing 7th grade math. I don't know how to do this
asked by niki 
Math
Pamela can run 100 meters in 12.5 seconds and Josalin can run 150 meters in 20 seconds. If they both ran a 400 meter race at this rate, how many meters ahead would Pamela cross the finish line before Josalin?
asked by Laila 
Organic chemistry
An unknown compound (x) melts at 60°C and is mixed with a compound (y) that melts at 45°C and is soluble in x. Will the Melting point for the mixture start below 45°? I think so, because if you look at ice and salt for an example, salt has a way higher
asked by Shay 
English
Spot the error in the sentence one of the chairs are broken
asked by Lavanya 
Math
The number is closer to 60 than to 70. It is one number closer to65 than 68 is.
asked by Lynn 
Math
Pamela can run 100 meters in 12.5 seconds and Josalin can run 150 meters in 20 seconds. If they both ran a 400 meter race at this rate, how many meters ahead would Pamela cross the finish line before Josalin?
asked by lara 
Math
Which is greater the sets of (52) or two sets of(2+3) draw a diagram to support your conclusion
asked by Trevor 
Science
If two person sitting on a seasaw has different weights,how can thay balance the seasaw
asked by Chrystalee 
MATHEMATICS
if 1g of a drug whose halflife is 9 hours is administered intravenously, how much of the drug is left after 3 hours? after 5 hours? after 10 hours?
asked by Matt 
physics
Block A (Mass = 5.195 kg) and Block B (Mass = 3.330 kg) are attached by a massless string as shown in the diagram. Block A sits on a horizontal tabletop. There is friction between the surface and Block A. The string passes over (you guessed it) a
asked by taylor 
physics
A pitcher throws a baseball horizontally from the mound to home plate. The ball falls 0.868 m (2.85 ft) by the time it reaches home plate 18.3 m (60 ft) away. How fast was the pitcher's pitch?
asked by Anon 
Math
Find the distance d(p1,p2) between the ponts p1 and p2. P1=(4,3); P2= (6,0) d(P1,P2)= _____ Type an exact answer, using radicals as needed.
asked by Sully 
English
Find out the figure of speech "I weep like child for the past"
asked by Lavanya 
Global Studies
Ming Moved to toronto 10 years ago when he was three. He still Speaks Chinese but has learned english and some french. he celebrates both chinesse and canadaian holidays.ming best reflects that canada is a____________. a. plural society b. melting pot c.
asked by Jaelyn 
Math
All students in Peter's class have $1.05, consisting of nickels and/or dimes and/or quarters. Each student has a different combination of coins, and all possible combination of coins are included. What is the probability that Peter is unable to give his
asked by Thomas 
Math
From a point P on the ground which is 100m from the foot of a church tower, the angle if elevation of the top of the tower is 50 degrees calculate the height of the tower...
asked by Phil 
Algebra
110 student went to the lake for a boat ride. there were 8 both (each would safely hold the same number of student), and all but 14 students could go for a ride. those remaining 14 students had to wait until first students finished their ride before they
asked by Q 
Physics
A car has an initial velocity of 45m/s and a final velocity of 0m/s 9 seconds later. A. What is the Acceleration? B. How far did they travel during the 9s?
asked by Alysa 
Chemistry
When you mixand separate CaCO3 and SiO2 with acetic acidvinegar, it is a chemical reaction. It bubbles and CO2 is produced. What property of CaCO3 causes this to happen? Could you explain this to me pls. I am guessing the acetic acid reacts with one of
asked by lulu 
Chemistry
How would NaHCO3 dissociate in water for a beaker diagram? Would it be Na+ and HCO3
asked by Anonymous 
Math
All students in Peter's class have $1.05, consisting of nickels and/or dimes and/or quarters. Each student has a different combination of coins, and all possible combinations of coins are included. What is the probability that Peter is unable to give his
asked by Thomas 
Language Arts
1.What other types of writing is similar to the autobiographical essay? Select all that apply. A. An email to a friend that tells about an event in your life B. a book report you wrote for school C. a postcard sent to your family while you are traveling D.
asked by Anuenue 
Math
The measure of angle BCA is: A) 30 degrees B) 36 degrees C) 45 degrees D) 60 degrees It is a iscoles triangle which the number 3x on the top of the triangle angle A and a line extending to D going right from A and Angle B is at the bottom left corner A and
asked by Lia 
physics
A roller coaster is on a flat track heading towards an incline, moving at 4.80 m/s. After it has gone down the 66.0° incline (measured from the horizontal), the roller coaster is now going at a speed of 23.3 m/s. What is the length of the incline?
asked by masla 
Physics
A superhero flies 285 m from the top of a tall building at an angle of 20 ◦ below the horizontal. What is the horizontal component of the superhero’s displacement? What is the vertical component of the superhero’s displacement?
asked by RK 
Math
4) The sum of an infinite geometric series is 100. The second term of the series is 24. Find two possibilities for a (the first term) and r (the common ratio). b. Given, 5 2 4 a a a 159 and 4 1 3 a a a 265 , find the terms of the
asked by Susan 
math
the sum of the ages of kristen and ben is 32 four years ago kristen was twice as old as ben how old are they both now
asked by Anonymous 
Algebra
A rock is thrown upward with a velocity of 21 meters per second from the top of a 48 meter high cliff, and it misses the cliff on the way back down. When will the rock be 7 meters from the water, below? Round your answer to two decimal places.
asked by Matthew 
Math (Geometry)
What is the converse of this statement: if two angles are supplementary and congruent, then they are right angles.
asked by Zoey 
AP physics
A rescue plane wants to drop supplies to isolated mountains climbers on Rocky ridge 235m below. If the plane is traveling horizontally with a speed of 250 km/h (69.4m/s), how far in advance of the recipients (horizontal distance) must the good be dropped?
asked by Susana 
science(physics)
A powerful motorcycle can accelerate from rest to 28m/s in only 4 second . a.what is its average acceleration? b.how far does it travel in that time
asked by nancy 
algebra
1. is he equation true , false, or open 5x+2=6x+11 open, there is a variable *** true, he expression are the same for all values of the variables false, the expressions are never the same which value is a solution of the equation 28x= 6 1** 1/2 1 8
asked by oto 
Math
There are two rectangles that are similar. One rectangle has an area of 24 and the other has an area of 15 how do you find the ratio of the area of the first rectangle to the area of the second rectangle?
asked by Jordan 
algebra
which ordered pair is a solution of the equation y=5x (2,10) (5,25)** (3,15) (2,10) which ordered pair is a solution of the equation y=9x+4 (10,86) (4,58) (6,41)** (6,57)
asked by oto 
Physics
While curling, you push a rock for 1.70 m and release it when it has a speed of 1.70 m/s. It continues to slide at constant speed for 0.700 s and then hits a rough patch of ice. It finally comes to rest 9.20 m from where it was released.
asked by Jenny 
Physics
A small child is learning to ride a bike for the first time. Her dad decides it would be a good idea to start her on a small hill. The hill is inclined at 3.30° to the horizontal. The child starts partway down the hill, 9.00 m away from her dad, who stays
asked by Mathew 
English
1. I like joining a chat room and talking with foreigners in English. 2. I entered a chat room on line and chatted with a native speaker for a long time. 3. I took part in chat rooms and had a conversation with foreigners. 
asked by rfvv 
Chemistry
how would you prepare 250 mL solution containing the following: 0.30 M mannitol, 0.025 M phosphate buffer pH 7.5? You are given solid mannitol, kh2po4, and k2hpo4. (pKa=6.86)
asked by RP 
Physics
A 70kg wannabe stuntman at the edge of a roof top jumps vertical up with a speed of 4m/s and falls on a trampoline 2meters below where he started. If the trampoline acts like a Hooke's spring and does a maximum extension of 0.284m going down towards
asked by Veronica 
AP physics
A person going for a morning jog an the deck of a cruise ship is running toward the bow (front) of the ship at 2.0m/s while the ship is moving ahead at 8.5m/s. What is the velocity of the jogger relative to the water? Later, the jogger is moving toward the
asked by Susana 
MATH HELP
1)What is the simplified form of the following expression? 2x^2y+3x^2+4y+3x^2y+2y A)5x^4y^2+3x^2y+2y B)8x^2y+6y^2 C)5x^2y+3x^2=6y D)14x^2y 2)Simplify the following expression 1/3 (21m+27) A)7m+27 B)7m+9 C)63m+9 D)7m+81 3) What is the sum 7/4+(1/5) A)31/20
asked by ASTROLATER 
maths
10people attend a conference and shake hands , how many hands were shake
asked by kola 
Math algebra
(a+b)(ab)
asked by Sunil 
English
Why did Raymond Carver make "Popular Mechanics" ending so ironically different from the Biblical tale "The Wisdom of Solomon"?
asked by Tiffany 
Chemistry
So I have to find the % by mass of an unknown metal that reacted with HCl to create MCl2 (with the M being unknown). Then I need to determine identity of the missing metal. I know that the final mass of the compound MCl2 is 12.47g and that the original
asked by Krys 
Physics
A painter of mass 80.0 kg stands on a platform of mass 75.0 kg and pulls on two ropes which hang over pulleys, as shown. He pulls each rope with a force of 400.0 N. Assuming a coordinate system where +y is up, calculate the ycomponent of the acceleration
asked by Ashley 
algebra
5/x3/4x=23/x+6 first I made it 20/4x3/4x=23/x+6 Then I am stuck how to solve the rest of the equation Can you please help. Thank you
asked by sara 
Math
There are four seats in a row of a bus except the last row which has 5 seats. The total number of seatsican be written as 5 + r x 4. Determine the number of seats in a bus for each value of r.
asked by Anonymous 
AP physics
Two planes approach each other headon. Each has a speed of 780 km/hour,and they spot each other when they are 10.0 km apart. How much time do the pilots have to take evasive action?
asked by Susana 
Math
The table shows information about the number of sweatshirts sold and the money collected at a fundraiser for school athletic programs. Sweatshirts Sold 3 5 8 __ 12 Money Collected 60 _ _ 180 _ The above is supposed to be a ratio table but I am not sure on
asked by MattPlease Help 
Stats.
For this section, use the following distributions: 1) A direwolf has a 70% probability of killing a stag upon encounter; 2) a dire wolf awakens the village on average 1.2 times per six weeks; 3) a dire wolf will eat an amount that is uniformly distributed
asked by Kathleen 
math
Write the quadratic equation whose roots are −4 and 6, and whose leading coefficient is 5.
asked by .