Questions Asked on
January 20, 2016

Science
1.)Check My Answers, please? Which of the following planets is considered a rocky, or terrestrial, planet? A.)Venus **** B.)Neptune C.)Saturn D.)Uranus 2.)Which of the following statements about the beginning of the solar system is true? A.)The planets
asked by YRN DJ 
Test taking Stratagies (2 questions) help me plz
1.)Which of the following is a good way to approach answering an essay question on a test? A.)Start writing your answer as soon as you have read the question B.)Jot down a rough outline before you start writing**** C.)Write as much as you possibly can
asked by Aaliyah 
Math
What does it mean to get a 150% salary raise?
asked by Lina 
Spanish
What is the main difference between the Pan American Games and the Olympic Games? a. The Pan American games are held every 6 years, while the Olympic Games are held every 4 years. b. The Pan American Games are held in Buenos Aires, Argentina, while the
asked by Kaai97 
English
In "Delfino II: Diez in the Desert," the first thing that went wrong on Diez's illfated trip was that: A. a woman became delirious and died*** B. a rash struck those who had been slashed by catus needles C. Diez got in a fistfight with his cyote trainee
asked by Kaai97 
Language arts
based on the text preview as well as research about the background of the novel and the author's life a reader can predict that the novel will most likely be about Deez nuts HA GOT EM
asked by Jack 
Check my answers for world history
I put a star* by my answer. 1. The early 20th century Progressive Era was a response to many of the problems and issues which arose during the Gilded Age in America. True or False*? 2. Socially conscious journalists who dramatized the need for reform were
asked by Traci 
MATH HELP ASAP
Adjacent angles are ______ congruent A always B sometimes C never D none of these HELP ASAP
asked by ILOVEcake 
English
Which quote from “Borders” best describes the reason the mother and son slept in their car? a. “We sat out under the stars the night, and my mother all sorts of stories.”*** b. “Laetitia had a lot of pride, and so did my mother.” c. “When she
asked by Kaai97 
Math
If h is hours and n is the number of radios remaining, complete the equation: n= ____ x h = ____
asked by Dee 
Spanish
Ellos ____ una ensalada de frutas. a. comen b. comes*** c. comeis d. como
asked by Kaai97 
Spanish
What is the most important, or largest, meal of the day in the Spanishspeaking world? al almuerzo*** el desayuno la merienda la ensalada
asked by Kaai97 
English
In "I Am the Land. I Wait.," the speaker is a. an Italian woman. b. an angry environmentalist. c. some binoculars. d. the land.***
asked by Kaai97 
Language Arts
Which of the following citations from The Watsons Go to Birmingham1963 illustrates how the setting affects Byron? A. The way Byron kept his head down and was smiling and saying “Yes, ma’am” this and “No, ma’am” that, it looked like he had
asked by Christine 
English
The theme of "Mending Wall" can best be inferred from which line? a. "He is all pine and I am apple orchard" b. "Something there is that doesn't love a wall" c. "we keep the wall between us as we go"*** d. "No one has seen them made or heard them made"
asked by Kaai97 
science
what kind of movement is exhibited by gas molecules
asked by chritopher 
Spanish
Which of the following is NOT a difference between schools in Puerto Rico and schools in Los Estados Unidos? A. Classes are conducted in Spanish B. Students wear uniforms C. There are homeschooling options*** D. Students study both Spanish and English
asked by Kaai97 
Spanish
Which Spanish sentence means "The boys are talented"? a. Los chicos so talentosos*** b. Ellos so ordenados c. Ellos son chicos intelligentes d. El chico paciente
asked by Kaai97 
English
The tone of the poems "Ka'Ba" and "Harlem II" might be called a. bitter. b. defeated.*** c. optimistic. d. syrupy.
asked by Kaai97 
Language Arts
1. Choose the meaning that best matches the word in capitols The fox proved he was WILIER then ever when he broke through the new fence into the chicken coop. A. quicker B. smaller C. slier D. tougher**
asked by Mistie 
Math  Are they right?
350 is 70% of what number? A) 500 *** B) 420 C) 245 D) 280 What percent of 64 is 24? A) 267% B) 62.5% C) 40% D) 37.5% *** What percent of $6.50 is $2.60? A) 25% B) 40% *** C) 90% D) 250% 20% of 140 is what number? A) 280 B) 120 C) 28 *** D) 12
asked by Grayson 
English
Which quote from “Borders” best describes the reason the mother and son slept in their car? a. “We sat out under the stars the night, and my mother all sorts of stories.”*** b. “Laetitia had a lot of pride, and so did my mother.” c. “When she
asked by Kaai97 
Math
Thomas needs to cut a piece of wood for a model airplane he is builing. He has four peices of wood: 5 ft, 4 ft, 6 ft, 3 ft long. If the length of wood he needs to cut √11 ft long, which peice of wood should be cut to have the least amount of unused wood.
asked by anon 
Spanish
Miguel _______ matematicas. a. ensena b. estudian*** c. hablo d. necesitamos
asked by Kaai97 
Math
A rectangular prism is completely packed with 180 cubes of edge length fraction 1 over 3 inch, without any gap or overlap. Which of the following describes the volume of this rectangular prism? 19 unit cubes and 9 smaller cubes of volume fraction 1 over 27
asked by Ali 
Social Studies
Please check my answers 1. There were two different groups in the elite planter class. What distinguished these groups? education level how many generations had money*** their location the crops they planted 2. Which of the following accurately represents
asked by Lost 
English
The extreme poverty of Dakar, Senegal, in “HipHop Planet” is best reflected in which image? a. “When I looked into his eyes, they were bottomless oceans.” b. “. . . it pulled me to the earth like a hundredpound ring in my nose.” c. “. . .
asked by Kaai97 
English
Choose the answer that best describes the word ravine. While on a camping trip, the little boy lost his toy in the ravine and his short arms could not reach it. A) Sewer B) Sand box C) Strom drain D) Narrow valley***
asked by Kaai97 
Social Studies (Check, Please!)
1. What was the purpose of the loyalty reivew boards and HUAC? A: The purpose of the loyalty review boards and HUAC was to catch Communists or spies for the Soviet Union within the United States. 2. How did the Cold War affect life in the 1950s? A: The
asked by Victoria 
English
Which quote from “Borders” best describes the reason the mother and son slept in their car? (1 point) a. “We sat out under the stars the night, and my mother all sorts of stories.” b. “Laetitia had a lot of pride, and so did my mother.” c.
asked by Kaai97 
Fourth grade math
(1) Courtney has 36 photos to arrange on a gallery walk. Part A How many arrays can Courtney make with the 36 photos? List all the possible arrays. Part B How many factors are there for 36? Write them. What do you notice about the number of factors of 36
asked by E 
L.A
Which is the best example of the use of rhyme A. the beat of the drum B. fresh green grass C. a wild little child D. the kindness of strangers Not sure? But I think A?
asked by Amber 
Math
Alicia’s gross monthly pay is $1,700. Alicia pays 10.5% of her monthly income in federal withholding. How much federal withholding does she pay? A $10.50 B $17.00 C $161.90 D $178.50 My Answer: C
asked by Suzy SuJi 
Science
In humans the allele for curly hair and the allele for straight hair show incomplete dominance. If two people with wavy hair have offspring, what percentage of their offspring would you expect to have wavy hair? A.) 100% B.) 75% C.) 50% D.) 25% Would it be
asked by Lexi 
Math
Brody deposited $500 into an account that earns 4.2% interest compounded annually. He makes no additional deposits and no withdrawals. Approximately how much interest will the account have earned after 7 years? A $167 B $420 C $542 D $665 I think the
asked by Lily 
Math
A circle is divided into 8 equal parts. What is the total angle measure of 4 parts?
asked by Sara 
math
Solve this problem plz... A shopkeeper buys some eggs at 15 cent each.6 of them are broken.while rest are sold at 20 cent each if he makes a profit of $4.8.find eggs he bought?
asked by Ali 
stats
According to a survey of American households, the probability that the residents own 2 cars if annual household income is over $50,000 is 80%. Of the households surveyed, 60% had incomes over $50,000 and 70% had 2 cars. The probability that annual
asked by cali 
Spanish
Dr. Mario Jose Molina won the Nobel Prize in Chemistry for his work studying which problem? a. the ozone layer*** b. deforestation c. the El Nino effect d. the greenhouse effect
asked by Kaai97 
Social studies
The president of the senate also serves as the?
asked by ? 
Check my answers for world history
Star* by my answer 7. Which of the following was not a goal of Roosevelt's Square Deal? Creation of a social security system. Ensure that goods produced by American businesses were safe for consumers.* Conservation and preservation of the environment in
asked by Carrie 
Math
David uses 1/2 cup of apple juice for 1/4 cup of cranberry juice to make a fruit drink. What is the number of cups of apple juice David uses for 1 cup of cranberry juice.
asked by Hector lopez 
English
The extreme poverty of Dakar, Senegal, in “HipHop Planet” is best reflected in which image? a. “When I looked into his eyes, they were bottomless oceans.” b. “. . . it pulled me to the earth like a hundredpound ring in my nose.” c. “. . .
asked by Kaai97 
Physics
A gun is fired vertically into a 1.60 kg block of wood at rest directly above it. If the bullet has a mass of 21.0 g and a speed of 195 m/s, how high will the block rise into the air after the bullet becomes embedded in it?
asked by Jeff 
Math
TO BE HONEST I DON'T REALLY KNOW SO I WAS WONDERING IF YOU GUYS HELP ME FIND THE ANSWER THANKYOU Ursula has fraction 1 over 2 cup of butter. She uses fraction 1 over 4 cup of butter to make a batch of brownies. Part A: How many batches of brownies can
asked by Ali 
PHYSICAL SCIENCES
TWO FORCES OF 60N AND 80N RESPECTIVELY ACT SIMULTANEOUSLY AT A POINT .SKETCH AND DETERMINE THEIR RESULTANT BY USING TAIL TO HEAD METHOD
asked by NTSHIDISENG 
Physics
How much work does a 50 kg student to climb 3 meters high stairs
asked by Jose 
Algebra
1. 3w  10w a. 13w b. 7w *** c. 7 d. 7w I think it is B, am I correct?
asked by help plz 
Math
Brody deposited $500 into an account that earns 4.2% interest compounded annually. He makes no additional deposits and no withdrawals. Approximately how much interest will the account have earned after 7 years? A $167 B $420 C $542 D $665 My possible
asked by Suzy 
Spanish
How do you say, "We play tennis" in Spanish? a. Juego al voleibol. b. Jugais al tenis. c. Juego al beisbol.*** d. Jugamos al tenis.
asked by Kaai97 
Spanish
______ paperleras estan al lado de la puerta. a. El b. La c. Los d. Las***
asked by Kaai97 
Chemistry
Consider the chemical reaction below equated 2N2O5 (g) > 4NO2 (g) + O2 (g) knowing that a certain period of time, N2O5 consumption rate is 0.10 mole / s, determine for the same time interval: a) the average rate of formation of NO2 b) the average speed
asked by Selena 
Poetry 7
"The Rider" A boy told me if he rollerskated fast enough his loneliness couldn't catch up to him. the best reason I ever heard for trying to be a champion. What I wonder tonight pedaling hard down King William Street is if it translates to bicycles. A
asked by Gene 
Mathematics
Mary wants to build a fence around a rectangular area for a garden. She has 150 ft of fencing and she wants to leave 10 ft opening on side for a gate. In order to make a area of the garden. A maximum what should the dimensions of the garden will be?
asked by Leian 
math
write a translation rule that maps point D (7, 3) onto point D'(2,5)
asked by anon 
Spanish
How do you say, "Carlos is going to play soccer" in Spanish? a. Carlos voy a juega al futbol. b. Carlos vas a jugar al futbol. c. Carlos va a jugar al futbol.*** d. Carlos juega al futbol.
asked by Kaai97 
Spanish
How do you say "The teachers are busy" in Spanish? a. Los maestros son inteligentes. b. Los maestros no estan ocupados. c. Los maestros estan ocupados.*** d. Los maestros estan cansados.
asked by Kaai97 
Calculus
Find all values of x in the interval [0, 2π] that satisfy the equation. (Enter your answers as a commaseparated list.) 18 + 9 cos(2x) = 27 cos(x)
asked by Riwo 
Chemistry 101
A crown is determine to weigh 2.65 kg. When this crown is submerged in a full basin of water, the overflow is found to be 145 mL. Is the crown pure gold or a goldsilver alloy? The density of silver is 10.5 g/mL and gold that of gold is 19.3 g/mL. Show
asked by Lilly 
Math
All of the water from a full cylindrical tank is drained into a rectangular aquarium. The cylinder has a height of 50cm and a diameter of 30cm. How deep is the water in the aquarium, if it has a rectangular base measuring 40cm by 20cm.
asked by Anonymous 
math / algebra
n the lab, Bob has two solutions that contain alcohol and is mixing them with each other. He uses 400 milliliters less of Solution A than Solution B. Solution A is 20% alcohol and Solution B is 13% alcohol. How many milliliters of Solution B does he use,
asked by Nevada 
math
three towns A,B,C are situated such that AB is equal to 60km and AC is 100km.The bearing of C from A is 290degree and the bearing of B from A is 060 degree calculate a)the distance BC b)the bearing of B from C
asked by fredrick 
Poetry 7  Help!
"The Rider" A boy told me if he rollerskated fast enough his loneliness couldn't catch up to him. the best reason I ever heard for trying to be a champion. What I wonder tonight pedaling hard down King William Street is if it translates to bicycles. A
asked by Gene 
physics
A monkey standing on the ground wants to climb to the top of a vertical pole 13m tall.he climbs 5m to 1seconds and slips downward 3m in the next 1seconds..he again climbs 5m in 1sec ANd slips by 3m in the next second and so on..draw the xt graph of his
asked by kaycee 
Math
Devon travels 40 km to Edmonton by car, and then returns by bus. The average speed of the car is 20 km/h greater than the average speed of the bus. If Devon's total travel time is 54 min, what is the average speed of the bus?
asked by Chingnong 
Finance 101
Given the recent drop in mortgage interest rates, you have decided to refinance your home. Exactly five years ago, you obtained a $150,000 30year mortgage with a fixed rate of 10%. Today, you can get a 30year loan for the currently outstanding loan
asked by Bob 
Physics
The density of lead is 11.35g.cm.what will be the mass in kilograms of a 2dm sample of lead ?
asked by Lindokuhle 
chemistry
If the vapor pressure of a liquid is 0.850 atm at 20°C and 0.897 atm at 25°C, what is the normal boiling point of the liquid?
asked by Elisha 
spanish
Instructions: Modifique el párrafo por cambiar las palabras entre comillas al tiempo FUTURO. Modelo: Mi familia ‘va a visitar’ a nuestros abuelos este verano. Mi familia visitará a nuestros abuelos este verano. 1. Este año ‘vamos a hacer’ una
asked by Kerry 
Math
What is the scale factor in the following dilation? The red triangle is the preimage. 3 onethird 2 onehalf I can't provide image but does anyone know what I'm talking about?
asked by Amber 
physics 2
In Figure below the hand moves the end of the Slinky up and down through two complete cycles in one second. The wave moves along the Slinky at a speed of 0.545 m/s. Find the distance between two adjacent crests on the wave.
asked by Drea 
math
the area of a squar floor on a scale drawing is 100 square centimeters ,and the scale of the drawing is 1cm:2ft.what is the are of the actual floor?what is the ratio of the area in drawing to the actual area?
asked by tera 
Physics...please help me out..
A body of mass 7.5kg is to be pulled up along a plane which is inclined at 30degree to the horizontal. If the efficiency of the plane is 75 %, what is the minimum force required to pull the body up the plane?
asked by Angela 
Poetry 7  Revised!
"The Rider" A boy told me if he rollerskated fast enough his loneliness couldn't catch up to him. the best reason I ever heard for trying to be a champion. What I wonder tonight pedaling hard down King William Street is if it translates to bicycles. A
asked by Gene 
Physical science
The density of lead is 11.35 g.cm .what will be the mass in kilograms of a 2dm sample of lead?
asked by Lindokuhle 
Physical Education
What are 5 differences between badminton and pickleball?
asked by Anonymous 
Business Math
Raimo borrowed $760 from Chris on October 10 and agreed to repay the debt with simple interest at the rate of 4.4% on May 11. How much interest was owed on May 11? Assume that February has 28 days. (Round your answer to the nearest cent.)
asked by Anonymous 
Algebra
The sum of measures of angle X and angle Y is 90. If the measure of angle X is 30 less than twice the measure of angle Y, what is the measure of angle X?
asked by Liz 
Literacy
1.Write the participle in the sentence. Why do you need a new pair of hiking boots? My answer  NEED 2.Write the first and last word of the participial phrase. My answer  BEGINNING 3.Write the first and last word of the participial phrase. Disappointed by
asked by Johnny 
math
Which correctly renames 2/3 and 1/2 using a common denominator??
asked by Luis 
Pre Algebra
A customer at the ring toss booth gets eight rings for two dollars find the constant of proportionality and write an equation relating the cost to the number of rings. At the same rate how much would a customer pay for 11 rings? for 20 rings?
asked by Stephany 
Science
1.which of the following describes scientific inquiry? (1 point) a statement that describes what scientists expect to happen in an experiment facts, figures, and other evidence gathered through observation the diverse ways in which scientists study the
asked by Charlie Shuler 
Chemistry
Hi, we have done an experiment in class where we have an equalibrium between (Co(H2O)6)^+2 + 4Cl^ (CoCl4)^2 + 6H2O where we added HCl dropwise until a colour change occured which changed the solution into a dark blue as the concentration of the Cholride
asked by Ivan 
social studies
Which of the following is a true statement? A. the qualifications for governor are less strict than those for a state senator. B. the qualifications for governor are the same as those for a state senator. C. the qualifications for governor are stricter
asked by Anastasia 
Precalculus
A rectangular package to be sent by a delivery service can have a maximum combined length (y) and girth (perimeter of its cross section) of 300 inches. Assume that the width and height are the same (x). Find the equation for the volume of the box in terms
asked by Anonymous 
Math
Hello, can anyone help me with this one question? What are the two solutions of x^2 – 2x – 4 = –3x + 9? A. the ycoordinates of the yintercepts of the graphs of y = x^2 – 2x – 4 and y = –3x + 9 B. the xcoordinates of the xintercepts of the
asked by Brady 
Algebra
How do you write the expression that represents the total length of each segment
asked by Ethan 
Math
Mary bought a roll of ribbon. After using 5/8 of the ribbon to decorate some packages she had 15ft left how many feet of ribbon did she buy
asked by Katie 
Math
During your first week of training for a marathon, you run a total of 10 miles. You increase the distance you run by twenty percent. How many miles do you run during your twelfth week of training?
asked by Shannon 
statistics
A customer service division of a telecommunications firm receives 100 mobile phones for repair on a particular week. 18 of the phones are less than a year, 60 phones are more than a year but less than 2 years and the rest are older than 2 years. The
asked by Anonymous 
Technical Math (College)
Question: The formula s=4.90t^2 gives the distance s in meters that a body falls in a given time t. Find the distance a ball drops in 4.2 seconds. Use the rules for multiplication of measurements in evaluating the answer.
asked by Shelly 
PreCalc
Find the exact value of sin345 degrees using a sum or difference formula. I got (sqrt6 + sqrt2)/4. Is this right?
asked by Anonymous 
math
Charles work a total of 30 hours last week. he worked 10 hours on Monday. what fraction of his work hours for the week did he complete on Monday?
asked by leah 
Applied Business Law
The following scenario addresses potential contractual disputes involving Mary and Bob's claims to a reward. Please read carefully and respond to all of the following prompts: The Police Commissioner is under pressure to solve a murder and offers $100,000
asked by Dee365 
Chemistry
how many L of O2 are needed to react completely with 63.0 L of H2S and STP?
asked by Lori 
Physics
A fighter plane is directly over an anti aircraft gun at a time t=0. The plane has a speed of 600km/hr. A shell is fired from an anti aircraft gun at the time t=0, in order to hit the plane. The muzzle velocity V is 1100m/s. Determine the distance the gun
asked by Gabriel 
Physics
There are 2 point charges. Q1 is 4nC and is at (2,0). Q2 is 2nC and is at (0,3). How much work does the electric field do when a third point charge of +3.00 nC is moved from infinitely far away and placed at the origin? I know infinitely far means Va
asked by Sammie 
Math
A company prints 22,860 tickets for a stadium. The tickets are placed into groups if 125. How many groups if tickets are made?
asked by Amy 
To Shalee
Please stop posting answers on other students' posts, especially 1) when a real tutor has posted a reply and/or 2) when you post an answer without explanation. You're flirting with banned status if you keep it up!
asked by Writeacher 
maths
1.what is the least number of terms of the GP.2,4, 8.....that will give a sum greater than 1500000 2.Aball allowed to drop from heigth of 3m on to a horizontal ground rebounds to3/4 of its previous heigth.Find to the nearest metre,the total distance the
asked by keneth 
Science
How much longer will it take for sound in air to travel 10km than in water
asked by Tim 
math
what is the volume of a 2 ft wide 2 ft long and 4ft high
asked by Nina 
Spelling
Word for finished 3rd letter is r and the 5th letter is u
asked by Sam 
British Literature
i fall upon the thorns of life i bleed paraphrase I think it means to go through a lot of obstacles but fail
asked by BIG DADDY 
Math
two tenths, twice as many hundredths as tenths, half as many hundreds as tenths, twice as many tens as hundreds and three times as many ones as hundredths. Could u show the process pls?
asked by Biofa 
Math
Karen ran 42 miles in 6 days. On Sunday she ran 12 miles. Each of the other days she ran the same distance. 1. Write an algebraic equation to show how far Karen ran. 2. Calculate how many miles Karen ran each day for the week. 3. Explain how you arrived at
asked by Kell 
Chemistry
What volume of air at 1.0 atm and 25 degree Celsius must be taken to an engine to burn 1 gallon of gasoline? Assuming that: 2 C8H18 + 25 O2 > 16 CO2 + 18 H2O provides reasonable model of the actual combustion process. ( The partial pressure of oxygen in
asked by Emma 
Chemistry
How many grams of aluminum sulfate are produced if 15.7 g Al reacts with excess CuSO4?
asked by karen 
math
Solve this problem plz... A rectangle has an area of 288 cm square.if the width is decreased by 1cm and length is increased by 1 cm the area would decreasedby 3 cm square.fin the original dimension of the rectangle.
asked by Ali 
Chemistry
A concentration of PCL5(g),4,0 mol/L, verifies that the process PCl5(g) = PCl3(g) + Cl2(g) is achieved with a degree of balance of 20% Calculate the equilibrium of the reaction constant
asked by Kelly 
Applied Business Law
The following scenario addresses potential contractual disputes involving Mary and Bob's claims to a reward. Please read carefully and respond to all of the following prompts: The Police Commissioner is under pressure to solve a murder and offers $100,000
asked by Dee365 
science
Part A Draw a picture of an object that might impact a planet. Part B What evidence is there that these objects collide with planets and moons?
asked by Kaylah 
Differential Calculus
Determine all local extrema, concavity and inflection point/s for y = 2cos(x) in (0, 2Pi). Test by both First Derivative Test and Second Derivative Test and sketch the graph.
asked by Sel 
science
find the rotational inertia about the symmetry of axis of a thick cylinder of mass M.take the inner radius to be R1 and the outer radius to be R2
asked by Sifensa Bacha 
Math
Hello! Here is a question. Marry is twice as old as Jhon and half as old as bob.ln 22 years time bob will be twice as old as John.find marry's age.
asked by Ali akbar 
Math
Jacky and Rudy had the same number of stickers. After receiving 72 stickers from Rudy, Jacky had 3x as many stickers as her. How many stickers did they have altogether?
asked by Patrice 
Chemistry
Calculate the concentration of H+ ions of an aqueous solution of nitrous acid ( HNO2) to 0.02 mol/L knowing that the degree of ionization of acid is 3%
asked by Maria 
math
A rectangular picture frame measures 46 cm by 35 cm. What is the perimeter or distance around the picture frame in meters? m
asked by james 
Precalculus
Considering the line segment joining A(5, 2) and B(7, 8), find an equation, in the form of Ax+By=C, that expressed the fact that a point P(x, y) is equidistant from A and from B. How would I go about even attempting this problem?
asked by Mark 
maths and science
The first term of a geometric sequence is 125÷4,the last term is 2, and the sum of the associated series is 203÷4. What is the common ratio and how many terms are there in the series?
asked by nitchelence 
Math
What is the volume of a 2 ft wide 2 ft long and 4ft high box?
asked by Linda 
Physics
You're sailboarding at 7.0 m/s when a wind gust hits, lasting 6.3 s accelerating your board at 0.51 m/s2 at a 35∘ to your original direction. a) Find the magnitude of displacement during the gust. b) Find the direction of your displacement during the
asked by Anonymous 
Chemistry 105
How do I write 23 grams+ 0.022 grams into a significant figure?
asked by Michelle 
Chemistry Dr.Bob
1. Oxygen (O2) is about 20% of our air, with about 80% nitrogen and a bunch of minor components. In Colorado Springs, where I grew up, the elevation is ~ 6500 feet and atmospheric pressure is only around 12 psi (vs. 14.7 psi at sea level). Under those
asked by Sanaya 
Chemistry Dr.Bob!
1. Oxygen (O2) is about 20% of our air, with about 80% nitrogen and a bunch of minor components. In Colorado Springs, where I grew up, the elevation is ~ 6500 feet and atmospheric pressure is only around 12 psi (vs. 14.7 psi at sea level). Under those
asked by Sanaya 
ChemistryDr. Bob
Reacting 1 L of H2(g) with 1 L C2H2(g) (both at STP) results in the formation of 1 L of C2H4(g) if the reaction is maintained at the same conditions (STP) and goes to completion. If this reaction produced 6.3 kJ of heat (absorbed by the surroundings),
asked by Sanaya 
physics
an enemy plane is flying horizontally at an altitude of 2.0Km,with a speed of 3.0m/s.an army man with a gun on the ground sights the enemy plane and fires a shell with a muzzle speed of 600m/s when d plane Is directly overhead.at what angle to the ground
asked by kaycee 
Chemistry
If a rate of 80.0 mL of an aqueous solution of potassium hydroxide concentration of 0.25 mol / L are partially neutralized by 20.0 mL of an aqueous solution of nitric acid concentration of 0.50 mol L. Determine pH of the final solution. kOH + HNO3 > H2O +
asked by Mara 
math
The product of two numbers is 1512 if each of the number is halved , what is the sum of the two new number?
asked by chev 
Chemistry
Cu+HNO3Cu(NO3)2+NO+H2O
asked by Dipesh chandak 
physics
an aluminum cylinder, of height h=2ocm and of radius r=1ocm, rests with its base on a horizontal table. Density of aluminum P=2700kg/m^3 acalculate the weight of the cylinder take g=10N/kg bwhat is the value of the force exerted by the table on the
asked by julia 
Chemistry
The solidified carbon dioxide, dry ice, is used as the refrigerant to temperatures of 78 °C order What physical state of carbon dioxide at 25°C and 1 atm?
asked by Gary 
math
A pancake recipe calls for 2.5 cups of pancake mix to make 10 servings. Carmen uses 3 cups of mix to make 14 servings. Does Carmen have the correct ratio for the recipe? Explain
asked by monkey 
Precalculus
A rectangular package to be sent by a delivery service can have a maximum combined length (y) and girth (perimeter of its cross section) of 300 inches. Assume that the width and height are the same (x). Find the equation for the volume of the box in terms
asked by Anonymous 
Business
How do you calculate classical probability average
asked by Edward 
mathematics
If an amount of money A results in investing a sum P at a simple interest rate of 7% for 10 years, then A = 1.7P. Graph this equation for ordered pairs (P,A).
asked by sandra 
Geography
List 10 countries wich pacfic ring of earth is found.
asked by Yaekob 
Math
A strand of lights has 50 light bulbs. Eight bulbs are burned out. Write the ratio of total number to the bulbs that are burned out.show this ratio all 3 ways, in simpliest form.
asked by Amy 
Physical Education
When playing doubles in Badminton which player returns the birdie on a serve?
asked by Anonymous 
Physics
A brick is thrown horizontally off the top of a building at 7 m/s. If the building is 31m tall, how far from the base of the building will the brick land.
asked by Millie 
Chemistry
Which one between N2O4 and NO2 is more susceptible to decompose immediately? And why?
asked by Maude 
MAth
A cylinder has a volume of 300 Pi cubic meters What is its Height
asked by Anonymous 
mathematics
a) 3(x1/2)^2  (x+1/4)(x1/2) b) 2(3x+1)(2x^(2)5x2)  (x4)(x^(2)+3x1)
asked by Bongiwe Gamede 
math
find the cumulative function, mean and variance of the following continuous pdf of a random variable X. f(x)=x/2 for 0
asked by Zelalem Getnet 
Algebra 1
Bernite is designing a rectangular sunroom.she wants the room to be 16 feet wide and have a perimeter that is greater than 110 feet. List 3 of the possible lengths of bernite's sunroom
asked by Boom 
art
how Picasso used shape or form in the Weeping Woman, and the effect of that usage on the artwork.
asked by Andy 
math
A right triangle is drawn on a coordinate plane. Its base is the line segment between (2, 2) and (9, 2). The hypotenuse is a line segment that begins at (2, 2) and has slope 1.25. Find the coordinates of the third point.
asked by Sarah 
history help
How did the civil rights movement change America in a positive way?
asked by smart1111 
geometry
The circle in the figure below has radius r. What is its equation in standard form?
asked by Carolyn 
math
A two even digit number that is the sum of prime numbers between 20 and 30?
asked by chev 
Math
The sum of the digits of a two digit number is 7. If 27 is subtracted from the number the digit interchange their places. Find the number.
asked by Farrukh 
math
Find the domain of the given function f. (Enter your answer using interval notation.) f(x) = 1/(x2 − 8x + 16)
asked by Sarah 
math
In 2006 an agency spent $200.00 to buy pencils at a cost of $1.00 a dozen. If the agency used 3/4 of these pencils in 2006 and used the same number of pencils in 2007, how many MORE pencils did it have to buy to have enough pencils all of 2007?
asked by Anonymous 
Math
Solve the following system of equations using substitution. What is the value of Y? 2x+3y=105 x+2y=65 A. 15 B. 25 C. 40 D. 65
asked by Cami 
Math
David and Sam had an equal number of marbles. After Sam gave 50 marbles to David, he had 5x as many marbles as Sam. Find the total number of marbles they had.
asked by Patrice 
Math
The base of an isosceles triangle is 4x cm long.The altitude to the base is 6cm long.Find the length of a leg of the triangle.
asked by Kath 
Physics
Plz plz answer this question..... "what is ment by the energymass relationship?explain it with the help of examples.....
asked by Ali 
physics
A body of mass 5kg is to be given an acceleration of 20m/s2.calculate the force required when acceleration is vertically upwards (g=10m/s2)
asked by Abdullahi 
Short Story Ideas
I need short story ideas. I have to write a short story for my Creative Writing class, but every idea I've brainstormed has turned out awful. I wanted to write a tearjerker or something emotional, but I am not certain anymore. Thus, I am open to
asked by Victoria 
history
help on ideas of a person in Black History that you think helped to bring about a POSITIVE change in America today.
asked by smart1111 
Chemistry
What volume of air at 1.0 atm and 25 degree Celsius must be taken to an engine to burn 1 gallon of gasoline? Assuming that: 2 C8H18 + 25 O2 > 16 CO2 + 18 H2O provides reasonable model of the actual combustion process. ( The partial pressure of oxygen in
asked by Emma 
Chemistry
A concentration of PCl5(g), 4,0 mol/L, it appears that the proceeding PCl5(g) => PCl3(g) + Cl2(g) is achieved with a degree of balance of 20%. In these conditions, calculate the value of chemical equilibrium
asked by Matt 
history help
how did fannie lou hamer bring about a POSITIVE change in America today
asked by smart1111 
maths
QUESTIONS!! 1.How much would it cost to carpet a room 4m by 3m at €9 per square metre? 2. A television set can be purchased for € 299 cash or a deposit of €50 and 12 monthly payments of €25. How much do I save by paying cash? 3. How many thousands
asked by liam 
Math
What percentage compound interest rate (to 20) will table of an investment of over a period of 5 years? (show working please)
asked by Clara George 
math
find the discounted value of 500 due in 82 days at 9%, 1000 at 55 days at 15% using both ordinary and simplest interest?
asked by marisol 
Chemistry Dr. Bob
Reacting 1 L of H2(g) with 1 L C2H2(g) (both at STP) results in the formation of 1 L of C2H4(g) if the reaction is maintained at the same conditions (STP) and goes to completion. If this reaction produced 6.3 kJ of heat (absorbed by the surroundings),
asked by Sanaya 
math
how long it will take $1000 to earn 100 at 15% simplest interest, to accumulate too at least 1200 at 0.135 simplest interest?
asked by marisol 
Chemistry
Is it possible to separate Bi, Cu and Ag from a mixture containing: c(BiO+)=0,08M c(Cu2+)=0,242M c(Ag)=0,106M c(HClO4)=1M Eo Bi = 0,32 V, Eo Cu = 0,337 V, Eo = 0,792 V _______________ Using Nernst equation (E=E°0,0592/n logQ) i see it's possible to
asked by Anna 
Precalculus
Find every point on the horizontal line y = 5 that is a distance of 5 units away from the point (6, 1).
asked by Sarah 
graphing linear non proportional relationships usi
the equation y=0.04×+ 12 gives the number of gallons of gad in your car, where × is the number of miles driven. Graph the equaton. Interpret the slope and yinercept of the line
asked by Aril 
Math help!!!
Hi, can someone please tell me how I would change 4/20 into a percent? Thank you :)
asked by Raven 
Algebra 1
Bernite is designing a rectangular sunroom. She wants the room to be 16 feet wide and have a perimeter that is greater than 110 feet. List 33 of the possible lengths of bernite's sunroom.
asked by Boom 
ICT
List five precautions users should take to protect themselves and their files when they are using a cybercafé.
asked by Lucy 
math
carrie has 1/5 bags of cashew nuts that she wants to divide into 25 snack bags. what fraction of the nuts will be in each bag?
asked by siri 
algebra
105>50.5+x/5
asked by brooks 
History
What did the French people accept Napoleon as their leader and eventual emperor?
asked by These Nuts 
Physics
In what ratio the mass 4m should split so that value of gravitational force comes Maximum for a fix distance d between the masses?
asked by Anonymous 
Check 3 world history answers of mine?
7. Which of the following was not a goal of Roosevelt's Square Deal? Creation of a social security system. Conservation and preservation of the environment in America.* 10. One reason powerful nations rushed to grab colonies in the 1800s was the desire for
asked by Carrie 
Physics
In what ratio the mass 4m should be split so the value of gravitational force comes maximum for a fix distance d between the masses? F=G(4mx)/r^2 G/r^2(4mx^2)
asked by Aarifah 
Business Law
The Police Commissioner is under pressure to solve a murder and offers $100,000 for information leading to an arrest and conviction of the culprit.
asked by Dee365 
Social Studies
Who was the first person to receive a patent? Benjamin Franklin Jacob Perkins Samuel Perkins ** John Calhoun
asked by Caleb 
math
carrie has 1/5 bags of cashew nuts that she wants to divide into 25 snack bags. what fraction o the nuts will be in each bag? 1/5divided 25 1/5x1/25=1/125 this correct or wrong
asked by siri 
probability and statistics
how many different plate numbers can be made using the letters A,B and numbers 0,1,2,3 if each must contain 2 letters and 3 numbers.
asked by jhay 
French
are these sentences correct J'ai mangé des pâtes delicieuses J'ai mangé de delicieuses pâtes
asked by Sarah 
Math
The length of a rectangle is 8 cm longer than its width , if the perimeter is 84 cm , what is its width
asked by Julie 
Math
AB is parallel to CD and diagonal BD is 25cm ,side BA is 7cm and CD is 17cm
asked by Apra 
math
.25 lb burger costs $2.95 .50 lb burger costs $3.90 how much does a pound of beef cost?
asked by sam 
Health Part 2
The pulmonary circuit and the ________ circuit make up the circulatory pathways of blood vessels for the body. A. Blood B. Systemic C. Capillary D. Flexible I go with B.
asked by Noemi 
English (EXTREMELY URGENT)
Please help he answer this one question. Which detail best describes why the author discusses the history of rap music. To show the extreme poverty of certain regions To explore the tension amongst certain cultural groups To expose events that are rarely
asked by Erin 
Math
The length of a rectangle is 8 cm longer than its width , if the perimeter is 84 cm , what is its area
asked by Julie 
English
I need a summary of book "eat that frog"I don't have any idea about that plzzzz help me.
asked by Ali 
physical science ,maths ,life science,geography
Which marks I must get to become a doctor?
asked by Nosihle 
Maths
6e5f=6; 5e3f=19
asked by Dami 
Math
Two numbers whose are in the ratio 4:3. Their sum is 70. Find the numbers.
asked by Ashley 
math
my thousands digit is 2 times my hundreds digit. the sum of my tens digi t and my ones digit is 2 less than my thousands digit. my hundreds digit is 1 less than my tens digit
asked by sebastian 
Social Studies
What were the effects of McCarthyism?
asked by Victoria 
Math
Factor the following problems X^2+X42=0 2x^2+7x+3=0
asked by Anonymous 
Science
What are some similarities and differences between spider food chains and snakes food chains?
asked by Royal 
Math
If you drive 13 miles a day for 1 week, How many miles would you have driven on the 6th day?
asked by Mary 
Math
How do you figure out x? 0.00996  0.4012x  3.9712x^2 + 1.08x^3 = 0
asked by Anonymous 
physics
Plz plz answer this question..... I need this immediate.... "what is ment by the energymass relationship?explain it with the help of examples.....
asked by Akbar 
English
I don't know what the quotes R for the poem the city is so big
asked by Kenny 
math
45% of a class are girls if these are 40 chidren in the class how many are boys?
asked by prince 
math
I have 54 in the denominator..i am equivalent to 7/9..what fraction am i
asked by getonya