Questions Asked on
March 7, 2018

Chem
A sealed container holding 0.0255 L of an ideal gas at 0.989 atm and 71 °C is placed into a refrigerator and cooled to 45 °C with no change in volume. Calculate the final pressure of the gas.
asked by Rachel 
Geometry B
unit 3 lesson 7: similarity unit test (Connexus) Can someone help me? It's the one with this question: The Seattle space needle is 604 feet tall. a model of the building is 48 inches tall. what is the ratio of the height of the model to the height of the
asked by some random dude 
Chemistry
The elements X and Y form a compound that is 40% X and 60%Y by mass. The atomic mass of X is twice that of Y. What is the empirical formula of the compound?
asked by Dora 
calculus
Find the value of $800 deposited in a bank at 10% interest for 8 years compounded in the following ways. (Round your answers to the nearest cent.) (a) annually_________$ (b) quarterly_________$ (c) continuously________$
asked by aj 
Calculus
Find how many terms are required to approximate the sum of the series from 1 to infinity of (1)^(n+1)/(n^3) with an error of less than 0.001. I think 11 terms are required.
asked by Anonymous 
Physics
A 200 kg block of ice at 0.0c is placed in a large lake the temperature of the lake is just slightly higher than 0 C and the ice melts very slowly. i) what is the entropy change of ice ii) What is the entropy change of the lake iii) What is the entropy
asked by Stan 
MATH!!!!!!!!! HELP!!!!!!!! DX
During a threeday period, the stock of Money, Inc. gained 6 points, lost 10 points, and gained 2 points. What was the total change in points for the three days?
asked by Naruto Uzumaki 
English (essay question)
Hi, I'm doing an assignment which requires me to choose two of Mark Twain's quotes (from a certain page) and answer the following questions: 1. What is the essential cultural observation or situation being satirized? What clues lead you to this conclusion?
asked by Max 
manth
a trail bike has a front wheel with a diameter of 40cm and a back wheel of of a diametet 60cm. Through what angle does the front wheel turn if the back wheel turns through 8 radians?
asked by phillip 
Math
1. What is the intercept (yintercept) of the function y = 2.5x + 8 2. What is the xintercept of the function y = 2.5x + 8 3. What is the slope of the function y = 2.5x + 8 4. The sides of a triangle are 6,10, and 12. Using Pythagorean Theorem, determine
asked by hiya 
math
Matthew used 1/5 of a box of flour for cooking and 3/4 of the remainder to make bread. The rest of the flour was packed equally into 5 containers. What fraction of the total amount of flour was in each container?
asked by robin 
Trigonometry
The function in the graph has the general equation f(x)=asin(bx+c)+d. Which of the following values are correct? Select all that apply d=3 C=1 B=0.5 B=0.5 D=1 A=2 B=2
asked by Micheal 
Science
Distance 55 m time 10.30 am and distance 255 m time 10.32 am. Find the avg. Speed. Plz advice how total time is being calculated.
asked by Deepak 
Social Studies
2. Which statement best explains how life is changing in China? a) new agricultural techniques are making lakes cleaner b) the government is moving villages to make more park land c) new factories and ways of life are producing more waste ** d) more and
asked by Tordy 
S.S
In the election of 1856, Millard Fillmore was the KnowNothing candidate and received 21 percent of the popular vote. What conclusion could be drawn from this fact? A. A significant number of people opposed slavery. B. A significant number of people were
asked by john 
manth
find the reference and coterminal angle for 2456 and 740
asked by phillip 
Civics Economics
1. Nixon's credibility as President was severely strained by the Watergate scandal. a. True b. False (A) 2. In the 1970's, the federal government gave up its policy of trying to Americanize the Indians. a. True b. False (B) 3. Vietnam was no longer an
asked by cristaln 
algebra1
Match each of the following with the equation written in PointSlope form. y+5=3(x−3)
asked by loin 
Physics
A bug sits on the edge of a rotating disk. Later, the bug begins to move toward the center of the disk. Does the bug exert a torque on the disk?
asked by Anonymous 
Guidance and discipline
Kelly is constantly tattling On her classmates. This could be due to her age and the fact that she is very concerned about rules,or it could be due to a need for : A. Power B. Acceptance C. Revenge. D. Attention Is it B?
asked by Bev 
Story Problem
Two bikers bike4 miles north and 6 miles west. What is the shortest distance they must travel to get to their starting point?
asked by Niki 
English
1. The best way to improve listening comprehension is to a. take informal notes on what you hear. b. use complete sentences to take detailed notes of both main ideas and details. c. concentrate on listening to the speaker's transitions. (B) 2.
asked by SAm 
Math Help Me Please
Graph the two lines 2x + 3y = 18 3x 4y > 16. Give the Domain and Range, Slope, and Yintercept for each line. Graph each equation above on the graph below and show all work. Give the Domain and Range, Slope, and Yintercept for each line. Explain in
asked by Ariana Grande 
math;)
1. At which values of x does the graph of f(x)=cos x intersect the xaxis? Select all that apply. (2 answers) a. 0*** b. pi/2*** c. pi d. 3pi/2 e. 2pi 2. Which of the following represents the domain and range of y=tan x? a. domain: infinity
asked by girly girl 
Biology organism classification
We have "made up" organism's based on real ones like these 2. Chemosynthetic goldfish that convert pollution to food (autotrophs) 3. Aquatic humanoids whose main diet is aquawheat and basking sharks. They have fins instead of legs (heterotrophs) 4.
asked by samatha 
maths
Paul, Kate and Sarah's mother left a bowl of jellybeans on their kitchen counter. Paul took onethird of the jellybeans, but then threw back 4 because he didn't like the black ones. Sarah ate 6 jellybeans and then took onequater of what remained. Kate
asked by bryan 
Economics
Suppose that when disposable income rises from $5.2 trillion to $6.0 trillion, consumption rises from $5.0 trillion to $5.6 trillion. What is the marginal propensity to consume?
asked by aj 
English / Grammar
Asking for help in restructuring and or grammar correct: W.E.B. Du Bois. Du Bois wrote this book in order to show readers the striving in the souls of black people. He wants readers to feel the hurt, accomplishments, and losses of blacks. “Will America
asked by Tupac 
Algebra
Find 8 values of c that make the following expression factorable. x^2+3x+c. How did you know?
asked by Jhon 
Social Studies Help please its a quiz
Dix also joined a growing movement to improve conditions in prisons. Men, women, and children were often crammed together in cold, damp rooms. When food supplies were low, prisoners went hungry—unless they had money to buy meals from jailers. Five out of
asked by jake 
Algebra 1
Micah Beasley invested $10,000 for one year, part at 10% annual interest and part at 14% annual interest. Vos total interest for the year was $1,280. How much money did he invest at each rate?
asked by Emily 
Trigonometry
A pilot wants to maintain a course of 40° and a ground speed of 300 mph against a 45 mph wind from 20° west of north. What should his heading be?
asked by John 
Algebra 1
Josh and Greg leave from the same place and travel the same route. Josh travels 2 hours and stops. Greg travels 5 hours at double Josh's rate. After five hours they are 256 miles apart. Find the rate and distance of each.
asked by Emily 
S.S
5. The Underground Railroad used escape routes that went throughout the South. Based on that fact, which of the following conclusions could be made? (1 point) A. The Southern states were leaning toward emancipation of the slaves. B. Slaves were hopeful to
asked by john 
English
True or false? There could be a noun a verb and an adjective in one sentence.
asked by Akat 
Science
Three isotopes of hydrogen
asked by Ade ferrari 
Math
Just to clarity to simplify (1+√3) / (1√3) to multiple (1+√3) / (1+√3) OR (1√3) / (1√3) both seems to result the same answer, I'm not sure but people usually multiple by (1√3) / (1√3) ? Thanks
asked by Anonymous 
Physics
Jason while driving on Kukum highway at 70 m.s – 1 seeing the traffic light turn red, he applies the brake and comes to rest in a time of 2 seconds. What is his deceleration?
asked by Jnr 
chem
A flexible container at an initial volume of 4.11 L contains 7.51 mol of gas. More gas is then added to the container until it reaches a final volume of 15.9 L. Assuming the pressure and temperature of the gas remain constant, calculate the number of moles
asked by Rachel 
MATH HELP!!!!!!
What is 0.35 as a percent? Show your work. Please help me immediately!!!!!
asked by princesskitty 
physics
If a very large iceberg were to float to warmer waters and melt, what, in principle, would happen to the overall sealevel? A. sealevel would rise very slightly. B. sealevel would fall very slightly. C. sealevel would stay the same. *I would say A
asked by A 
fluid mechanics
.75m pipe connects two reservoirs. water is pumped from the lower reservoir to a reservoir 42m higher using a 850 kw pump, ep=78%. If Head losses are 22m, define Q
asked by aynon 
Chemistry
How is the CG/MS instrument used in the detection of drugs? (explaining all the scientific factors). I cannot seem to find much information on this so I would really appreciate it someone could provide me with a 2 or 3 paragraph explaining this concept in
asked by Lisa Gionasa 
Civics Economics
1. Nixon's plan to achieve peace in Vietnam was called the "silent majority." a. True b. False (B) 2. Killings at Kent State and Jackson State Universities rallied the nation's support for the Vietnam War. a. True b. False (A) 3. One result of the Yom
asked by cristaln 
AP Physics
Determine the change in rotational kinetic energy when the rotational velocity of the turntable of a stereo system increases from 0 to 33 rpm. Its rotational inertia is 6.2×10−3kg⋅
asked by Emily 
Physics
Jason while driving on Kukum highway at 70 m.s – 1 seeing the traffic light turn red, he applies the brake and comes to rest in a time of 2 seconds. What is his deceleration?
asked by Don 
SCIENCE
A sphere of mass 50g and diameter 20cm is rolling with a speed of 5cm/sec . What will be its its total energy.
asked by BOB 
MATH!
Estimate 18% of 50. Show your work. Please help me.
asked by coolgirl 
math
The age of Mwenda is 3/5 of that of his sister.If 20 years ago the age of Mwenda was 2/5 of that of his sister then. Find the present age of Mwend. #Please guys help me this question#
asked by kelvin 
Physics
What type of "fluid" Would exist if the temp was 850°c and pressure was 1.75 atm?
asked by Layla 
maths
A primary school is planning to hold a fete, but needs help in figuring out how much to charge for entry. they intend to have an 'all you can eat' sausages sizzle, and they think each adult will eat about $3 worth of sausages and each child $2 worth. The
asked by lisa 
Chemistry
How is the GC/MS instrument used in the detection of drugs? (explaining all the scientific factors). I cannot seem to find much information on this so I would really appreciate it someone could provide me with a 2 or 3 paragraph explaining this concept in
asked by Lisa Gionasa 
Pls sir Steve or Damon or rainy help me to learn
1.for any 2 nonzero integers x and y there exist a unique integer q and r called the quotient and remainder respectively such that x=yq+r where
asked by Matt/maths 
English
1. I have 4 pets back home in America.  What is the meaning of 'back' and 'home' here?
asked by rfvv 
Science Chemical Reactions
1. The current atomic model would be revised if (1 point) A• better microscopes were being used to study its structure. B• better microscopes are invented in the future. C• new information about an atom’s structure is discovered. C• a new element
asked by John Smith 
Science
Name ONE of the air masses that can be found in North America (remember to use both the temperature and humidity descriptors). I searched everywhere, even looked back at my lesson, and I still can't find out, if you can help me or send me a link, I will be
asked by Baby_Banana 
Math IMPORTANT
A large pizza at Tony's Pizzeria is a circle with a 14inch diameter. How long is the pizza?
asked by Renee :) 
MATH!!!!
Henry has 4 times as much money as David. David has 3 times as much money as Ryan. The total money of the three boys is $128. How much does Henry have?
asked by Sparkle 
Math
Sally has 1/3 as many stickers as Mary. Jane has 3/4 as many stickers as Sally. If the three girls have 114 stickers altogether, how much stickers does Jane have?
asked by Sparkle 
Science
Hello. I am trying to figure out how to solve polygenic Punnett squares. In order to get extra credit on a test, I have to learn how to use them. I've tried looking at images and tutorials, but I'm still confused.
asked by Mallory (6th Grade) 
chem
If 63.5 moles of an ideal gas is at 4.03 atm at 51.80 °C, what is the volume of the gas?
asked by rachel 
Science
The earth is in constant motion. It rotates and revolves. Which of the following is NOT TRUE of the Earth's motion? 2 points A Due to the revolution of the Earth, we experience seasons. B The Earth rotates on its axis once every 24 hours. This causes day
asked by SimPug 
math
I need help with my homework. 1) You want to buy a jacket that costs $45, it is on sale for 30% off. How much money will you save? Show your work. 1) You grab lunch with a friend and the bill is $27.00. You want to leave a 15% tip, how much will the final
asked by coolgirl 
Social Studies
Part 3: Write. 1. Write a persuasive argument explaining why you think this innovation is the most important development of ancient China. 2. Your argument should include the following: a. Begin with an opening sentence, introducing your argument. b. Add
asked by flybird 
Chem
If 2.41 moles of an ideal gas has a pressure of 4.65 atm, and a volume of 27.33 L, what is the temperature of the sample in degrees Celsius?
asked by rachel 
math
serio walked to and from school on 3/5 of the days in one month. He got a ride to school on 7/8 of the remaining days. On the remaining school day that month he stayed home with a cold. How many school days were there that month?
asked by robin 
MATH HELP!!!!!!
What would a 20% tip be on a $32.10 bill at a restaurant? Show your work. Please help me with my homework.
asked by coolgirl 
Math
1. What is the intercept (yintercept) of the function y = 2.5x + 8 is it 8? 2. What is the xintercept of the function y = 2.5x + 8 i'm honestly not sure... 3. What is the slope of the function y = 2.5x + 8 um...is it 2.5? 4. The sides of a triangle are
asked by damnnn 
Trigonometry
a small blimp has an air speed of 24km/h on a heading of 42°. The wind's speed is 9 km/h and its direction is 312°. Find the ground speed and drift angle of the blimp.
asked by John 
math
serio walked to and from school on 3/5 of the days in one month. He got a ride to school on 7/8 of the remaining days. On the remaining school day that month he stayed home with a cold. How many school days were there that month?
asked by robin 
Math
If I roll a die 6 times, how many 5's do I expect to get? I know if I rolled it one time I would have a 1 in 6 chance of getting a 5, but how do I determine how many I would expect to get if I roll it 6 times?
asked by Sami 
English
1. One major difference between a debate and a research paper is that a. a research paper involves a multistage process of gathering, organizing, and revising information. b. a debate involves the delivery of ideas before an audience. c. a debate involves
asked by cristalL5 
math
serio walked to and from school on 3/5 of the days in one month. He got a ride to school on 7/8 of the remaining days. On the remaining school day that month he stayed home with a cold. How many school days were there that month?
asked by teresa 
Chemistry
In which of the following bonds does nitrogen carry a slightly negative charge? (8) Select one: a. NN b. NC c. NO d. NF
asked by Anonymous 
Math
Gershona is babysitting her brothers. To keep them occupied, she lets them put stickers into sticker books. Joshua puts 110 stickers on 22 pages. Mike puts 100 stickers on 25 pages. Select all statements that are true about these ratios. a) Mike's sticker
asked by The Devil Cat 
Social Studies
Write a persuasive argument explaining why you think this innovation is the most important development of ancient China.
asked by bigred 
Physics
A bug sits on the edge of a disk as the disk rotates counterclockwise. Later, the bug starts to move in the direction of the disk's rotation. Does the disk's angular momentum increase, decrease, or stay the same?
asked by Anonymous 
Science
What happens to air and water during the steps of cloud formation?
asked by anonymous 
Science
what is the function of the small intestin?
asked by Some Guy. 
Literature
How do the lines of the Chorus at the end of Antigone Part 2 affect the meaning of the play? The Chorus ponders the role of fate in determining the lives of people. The Chorus emphasizes the cruelty with which Zeus exercises his power. The Chorus explains
asked by Quinn 
math
A bus driver filled up 7/8 of her fuel tank for a trip. She used 6/7 of the fuel by the end of the trip. The capacity of her tank is 70 gallons. How much fuel did she use for the trip?
asked by teresa 
Science
What does H2O stand for in science
asked by Daniel 
Science
What causes seasons
asked by Daniel 
Science
In approximately what year did oil and gas become the dominant fuels for the US? 1880 1910 1940 1970 2000
asked by Anonymous 
chemistry
Calculate the [H⁺] for the aqueous solution in which [OH⁻] is 1 x 10⁻⁹. Is this solution acidic, basic or neutral? Show your work
asked by mary 
A question for Ms. Sue
What is your secret? (Why are you so smart?)
asked by Bob Ross 
MATH
The graph of a trigonometric function oscillates between y=1 and y=7. It reaches its maximum at x= pi and its minimum at x=3pi. which of the following could be the equation of the function? A) f(x)=4 cos x/23 B) f(x)=4 sin x/23 C) f(x)=4 sin 2x3 D)
asked by Benji 
Math
Tom bought three tee shirts for the sale price of $14.50. The three tee shirts were originally priced $3.99,$6.99, and $5.99. How much money did he save compared to the original total price of the Tshirts? Show your calculations. What percentage of the
asked by Mark 
Math
The graph of a trigonometric function oscillates between y=1 and y=7. It reaches its maximum at x= pi and its minimum at x=3pi. which of the following could be the equation of the function? A) f(x)=4 cos x/23 B) f(x)=4 sin x/23 C) f(x)=4 sin 2x3 D)
asked by Benji 
Chem
How many molecules are there in an ideal gas with a volume of 1.99 L at STP?
asked by rachel 
chem
1.45 g of an unknown gas at 53 °C and 1.10 atm is stored in a 1.85L flask. What is the density of the gas what is the molar mass of the gas
asked by rachel 
Math: Geometry and Measurement
Find the area of each circle shown below. Also please tell me how to do it, and no false info please:) The image shows a) a circle with the diameter of 20 cm and b) a circle with the radius of 7 m.
asked by Renee :) 
Math
If 3tanA.tanA4√3TanA+3=0
asked by Abhijeet potdar 
Chem
If 86.5 mol of an ideal gas occupies 13.5 L at 79.00 °C, what is the pressure of the gas?
asked by Rachel 
precalculus
cotxsinx  cosx + cosx Does this equal cos x ? cos/sin * sin = cosx
asked by Anonymous 
S.S help please thank you
Which of the following best summarizes the information shown in the graphic organizer? (1 point
asked by jake 
Chemistry
If a balloon has the volume of 5.00 L at 25 C what is its volume when you put the balloon in a freezer at 12 C?
asked by Anonymous 
Biology
Question states a made up organism and want me to classify it by kingdom , phylum and genus am i supposed to "make up" the genus since they are not real animals. an animal example is this Butterroaches: genetic engineering created these butterflylike
asked by samatha 
chem
A 8.00L container holds a mixture of two gases at 23 °C. The partial pressures of gas A and gas B, respectively, are 0.349 atm and 0.819 atm. If 0.210 mol of a third gas is added with no change in volume or temperature, what will the total pressure
asked by rachel 
math
The age of Mwenda is 3/5 of that of his sister.If 20 years ago the age of Mwenda was 2/5 that of his sister then. Find the present age of Mwend. #Please guys help me this question#
asked by kelvin 
English grammar
This is about a tag question. The question is : Either you or he has to go with me,_________? I have to chose the correct answer from the following : A)doesn't he B)do you C)isn't it D)is it
asked by Doris 
Maths
Brendan has a rectangular paved area in his backyard. If the length and breadth were increased by the same percentage and the area increases by 21%, what is the percentage increase of the length and breadth?
asked by Henry