Questions Asked on
April 21, 2017

Critical thinking
Evaluate the following argument. In your evaluation you should address whether each premise is acceptable or unacceptable, providing the condition of premise acceptability/unacceptability, indicate the nature of each inference (deductive or inductive), and
asked by Hazel 
Chemistry
A sample of Helium occupies 200 L at 30ºC under a pressure of 841 torr. What is the volume it occupies at standard temprature and pressure (STP)?
asked by Victor 
kumar
determine the amount of NAOH dissolved in 250ml. of the solution by titrating it against N/10 H2SO4
asked by ujjwal 
Chemistry
Determine the molarity of na2co3 solution by titrating it against M/10 H2so4 solution
asked by Anonymous 
math
if the life in years of a washing machine is normally distributed with a mean of 15 years and a standard deviation of 1.6 years what should be the guarantee period if the company wants less than 1% of the machines to fail while under warranty
asked by Wyleen 
DYNAMICS
A racecar is initially travelling at 75 mph at point A as it enters the Scurve shown. In order to successfully traverse the curve, the racecar driver applies his brakes and decelerates uniformly between point A and B. Point B is located 750 ft down the
asked by KBROM 
Biology
Which of the following is the muscle action that results in exhalation and causes the air pressure inside the lungs to be higher than outside the chest a) Contraction of internal intercostals b) Relaxation of the diaphragm c) Contraction of the diaphragm
asked by Renee 
chemistry
ethyacetoacetate gives positive test with sodium bisulphate. explain
asked by rohan 
chemistry
ozonolysis with orthoxylene gives 3 different products explain
asked by rohan 
history
In What Ways Was The Threat Of American Expansion Into British North America A Reason For Federal Union
asked by loco 
Maths
Janet is twice as old as Doug, while Peter is 5 years older than Doug. If their ages are added the answer is 95 years. Use algebra to calculate the age of each of them. explain any assumptions made, demonstrate all reasoning and show full working out
asked by Claud 
Health
2. Thirty minutes of physical activity a day can improve your family's health and can help to bring you closer together. True False 3. Most people that participate in physical fitness do not enjoy encouraging their family members to get involved with them.
asked by Cait 
science
Calculate the period of oscillation of a simple pendulum of length 1.8 m, with a bob of mass 2.2 kg. What assumption is made in this calculation? (g = 9.8 m s  2) If the bob of this pendulum is pulled aside a horizontal distance of 20cm and released, what
asked by Suraj 
Math
How many 3 letter security codes can be made from the 4 letters A,B,C,D? For example , BAB, and ABB, are two such codes, and DAC is another. Explain
asked by Megan 
Math
how many three letter security codes can be made from 4 letters A,B,C,D without using a letter twice? For example, BAC and A,D,B are two such codes. Explain
asked by John 
Math
Simone has been flipping a coin and has just flipped 5 heads in a row. she says that because she has just gotten so many heads, she is more likely to get tails than heads the next time she flips. Is Simone correct? What is the probability that her next
asked by John 
Math
Let's say you flip 2 coins simultaneously. There are 3 possible outcomes: Both are heads, both are tails, or one is heads and the other is tails. Does this mean that the probability of getting one head and one tail is 1/3?
asked by Bob 
x
If P(x,y),F1(3,0), F2(3,0) a nd 16x^2+25y^2=400, then find PF1+PF2.
asked by bnmbmnbbmnn 
Math
A particle of mass 9kg rests on a rough plane inclined at 30degrees to the horizontal. The coefficient of friction between the particle and the plane is 1/3. A horizontal force is applied to the particle so that the particle just begins to move upwards.
asked by Kobby 
Calculus PLSSSSS HELP DUE SOON
Assuming P≥0, suppose that a population develops according to the logistic equation dP/dt=0.03P−0.00015P^2 where tt is measured in weeks. Answer the following questions. 1. What is the carrying capacity? I tried solving the differential equation and
asked by Regina 
Trigonometry
how long is the cable that supports a 10m. high antenna if the cable is connected at the middle of the pole of the antenna and at the ground 6m. away from the base of the pole?
asked by Ayomide 
Trigonometry
what is the angle of elevation of the sun if the shadow of a 5'7" tall man is half the length of his height?
asked by Ayomide 
Trigonometry
Directly below a 50m. high cliff is the side of a river. How wide is the river if the angle of depression from the edge of the cliff to the other side of the river is 57.68 degree
asked by Ayomide 
Trigonometry
You are making a garden in a triangular lot, and needed a top soil of mixed humus and fertilized. what is the area of the lot needed to cover by soil if the edge of the lot measures 10ft.,8ft. and 6ft.,?
asked by Ayomide 
t
what are the measures of the other two angles of an oblique triangle if the angle between the 6.5m. side and the 10.5 m. side is about 60 degree
asked by Ayomide 
Trigonometry
if the lengths of the sides of an oblique triangle are 250 m. and the measure of the angle opposite of the later side is 37 degree 45'30", what are the possible lengths of the other sides?
asked by Ayomide 
Trigonometry
From the top of a building 85ft high, the angle of elevation of the top of a vertical pole is 11 degree 6'. At the bottom of the building the angle of elevation of the top of the pole is 26 degree 7'. Find the height of the pole and the distance of the
asked by Ayomide 
matha
A man want to plant 10 trees in 5 rows and each row chould contain 4 tree
asked by swarup 
Geometry
the diameter of a cylinder is 5 yd. the height is 8yd. find the volume of the cylinder in terms of pi and to the nearest tenth
asked by Anonymous 
9th grade English
Sam had to mix __________ parts of the two chemicals for the experiment. a. equaled b. equitably c. equal d. equate f. equation I pick C This seems to easy am I missing something?
asked by Sara 
math
A solid wooden cube is painted blue on the outside. The cube is then cut into 27 smaller cubes of equal size. What fraction of the total surface area of these new cubes is blue?
asked by pooja 
Educational Tech
At which point in a research presentation should you paraphrase your information A) When You Search For The Resources B) When You Take Notes C) When You Write The Research Paper D) When You Edit The Research Paper My answer is B.
asked by @AmeliaTheGamer 
Maths
7(ab)8(a2b)
asked by Remove bracket and simplify 
Literature
Discuss the significance of the "Ale house" in Oliver Goldsmith's "She stoops to conquer"
asked by Stephanie 
Math
If rCosx=3 and rSinx=4, find the value of r and x.
asked by Stephanie 
Maths
7(ab)8(a2b) remove bracket and simplify
asked by Algebraic equation 
algebra
Clara is building a triangular garden. She wants the length of the longest side to be three more than twice as long as the length of the shortest side, and the third side will be twelve feet long. What expression could she write to determine the perimeter
asked by studentE2020 
SS
How does elevation impact ecosystems in SOUTH AMERICA? 1)farmers can grow different crops at different elevations. 2)plants do not grow above tree lines 3) animals cannot live in higher elevations 4)humans settle only in the lowest elevations I THINK #1
asked by JAMIE 
Science  heat
1By opening the door of a refrigerator ehich is inside a room, the temperature of the room : A) decreases B) increases C) remains unchanged D) first decreases and then increases******(my ans) 2 The thermometer used to measure very low temperature is 
asked by A GOODSTUDENT 
Social
1.What was North Korea’s response to President George W. Bush’s 2001 threat to stop negotiations? A. North Korea immediately gave in to his list of conditions. B. North Korea resumed its nuclear program. C. North Korea sought the help of the United
asked by Arianne 
Physics
Question: You have a 4.5 kg lead block at room temperature. Part A: Find the energy required to raise the lead’s temperature to its melting point. Part B: Find the energy required to melt the lead once it’s reached the melting point. I got the answer
asked by Kaitlyn 
SS
If you were to move to the PAMPAS, where would you most likely find a job? 1)in the silver mines 2)on a cattle ranch 3)on a coffee plantation 4)in the fisheries I think #2
asked by JAMIE 
Microbes and society
In Chapter 9 of the Bible, in the book of Exodus, the sixth plague of Egypt is described in this way: “Then the Lord said to Moses and Aaron, ‘Take double handful soot from a furnace, and in the presence of Pharaoh, let Moses scatter it toward the sky.
asked by Angel 
social studies
Which member of the Five Civilized Tribes did the Indian Removal Act seem to target the most? A) Apache B) Catawba C) Cherokee D) Iroquois
asked by zoe 
ed tech
junie is researching ancient egypt. She found a website that is of information and great images.As she is reading the text she notices that there are little bit of information that don't really agree with any of the other research she has done. what should
asked by help ed tech ASAP 
Physics
How many xray photons are emitted per second by an xray tube that puts out 1.0 W of 75KeV x rays?
asked by Jared 
health and P.E.
You are in a restaurant and smell tobacco products, but notice that smoking is not allowed. What tobacco product is being used if there is no smoke? A:cigar B:pipe C:snuff D:water pipe I think the answer is c. Thank you
asked by Evie 
math need help please
Use equal intervals to make a frequency table for the average number of movies per person. You do not need to show tally marks. Country Average Number of Movies Turkey 0.5 Japan 1.2 UK 1.3 Finland 1.3 Austria 1.5 Germany 1.8 Spain 2.2 Sweden 2.2 Denmark
asked by KittyKat360 
Math
Let's say you flip 2 coins simultaneously. There are 3 possible outcomes: Both are heads, both are tails, or one is heads and the other is tails. Does this mean that the probability of getting one head and one tail is 1/3?
asked by Bob 
physical science
a wave traveling in water has a frequeny of 250 Hz and a wavelength of 6.0 m. what is the speed of the wave?
asked by Tia 
math
The chart below shows the average number of movies seen per person in selected countries. Country Average number of movies a person sees per year Turkey. 0.5 Japan. 1.2 United kingdom. 1.3 Finland. 1.3 Austria. 1.5 Germany. 1.8 Spain. 2.2 Sweden. 2.2
asked by Shu Magic 
Math (NEED HELP ASAP)
If you know all answers to test please let me know!!!! use the formula s=2(1w)+2(1h)+2(wh) to find the surface area of a rectangular prism with the following dimensions: *length = 2 cm * width = 3 cm * height = 4 cm A) s=21 cm2 B) s= 48 cm2 C) s= 52 cm2 D)
asked by Anonymous 
Math 120
The results of a certain medical test are normally distributed with a mean of 128 and a standard deviation of 19. (A score above 140 is considered unhealthy.) Use the given table to find the percentage of people with readings below 137.
asked by Beth 
Algebra
Dhey is 8 years older than Marl. The sum of their ages is 46. How old is Dhey?
asked by Lalala 
Math
Scores on the GRE (Graduate Record Examination) are normally distributed with a mean of 554 and a standard deviation of 120. Use the 689599.7 Rule to find the percentage of people taking the test who score between 434 and 674
asked by Katelyn 
math
In how many ways can a committee of 12 people, of which 5 must be in the 21−30 age group, 4 must be in the 31−40 age group and 3 must be in the 41−50 age group, be chosen if there are 6 people of each age group?
asked by sjhhs 
MATHS
IN RECTANGLE ABCD ,AB=25cm BC=15cm .in what ratio does bisectorof angle C divides AB
asked by deevi 
algebra
Solve each equation by graphing the related function. If the equation has no realnumber solution, write no solution. 1 .x^29=0 2. x^+7=0 3. 3x^2=0 4. 1/4x^24=0 5. 4g^2=25 6. 64b^2=16 7.144p^2=0 8. 5z^245=0 9. h^2=49 10.s^235=35 please help me out :)
asked by king teen 
Physics
A body of mass m moving vertically with speed 3 m/!@#$%^&s a smooth fixed inclined plane and rebounds with a velociw vf in the horizontal direction. If angle of inclined plane is 30°, the velocity of will be
asked by Vishesh 
chem
how many grams of NaoH are dissolved in 250.00 ml of water if the ph is 11.35
asked by m 
physics
Consider a string with a length of 56.5 cm tied at both end (like on a stringed instrument). If the frequency of the first harmonic on the string is 272 Hz, determine the speed of the wave in the string. Post your answer in m/sand with 3 significant
asked by Idali 
Math
A cylindrical juice glass is 8 centimeters tall and has a diameter of 6 centimeters. If the glass is ¾ full, find the volume of the juice in the glass.
asked by Dj 
math
what is the probability of selecting two S's if the first card is not replaced before selecting the second card in the word Massachusetts
asked by seth 
geometry
Find the values that make this a parallelogram? The parallelogram is a square ans the values are: on the outside of it is 17 y and 8y on the top and on the bottom it is 10 and 8x On the inside of the square it is (3y20) on the left hand corner and on the
asked by saliha 
Math
if you fold a square paper vertically, the new rectangle has a perimeter of 39cm. what is the area of the original square? what is the perimeter of the original square? what is the area of the resulting rectangle? make a ratio of area and perimeter. what
asked by Emma 
AP English Literature
After jack proposes to Gwendolen, he is interviewed by Lady Bracknell to interpret whether he is a suitable marriage possibility for Gwendolen. This encounter with Lady Bracknell reveals all of the following except  Victorian Beliefs  Lady Bracknell's
asked by Brighton 
MATH
what type of trend does the scatter plot below show? what type of really work situation might the scatterplot represent?
asked by bifrai/won 
Social Studies
How do nearby businesses with similar products usually compete?
asked by Metimoku 
mathematics
A bag contains 6 red tiles, 8 blue tiles, and 6 green tiles. A tile is drawn, the color recorded, and then the tile placed back in the bag before a tile is drawn again. if this procedure is done 30 times, how many red tiles would you expect to draw?
asked by Anonymous 
business
i need to understand this question , i have to write an essay and i don't understand it .There are as many ways to use information technology in business as there are business activities to be pursued. Human Resource management has many activities that are
asked by dana 
Geometry
I need help solving for the height of a trapezoid and finding the correct final answer for a semi circle (a half circle).In area form Here's what I have so far: Trapezoid Formula: 1/2(b1+b2)h My Answer:1/2(5+15)=10 (My bases are 5 and 15) I need help
asked by GGGGGGGGGGGGGeometry 
Social Sutdies
What are answers to week 26 for forth grade
asked by Kelvin 
English
1. He has four balls. One is white, another is blue, another is green, and the other is yellow. 2. He has four balls. One is white, another is blue, a third is green, and the other is yellow. 3. He has four balls. One is white, another is blue, a third is
asked by rfvv 
AP English Literature
This is from "The Importance of Being Earnest" This is from "The Importance of being Earnest" Wilde wants the reader to laugh at the attitudes, pretension, and behavior of almost everyone in the play, with perhaps one exception. Who? John Worthing Miss
asked by Brighton 
English
1. We learned math and science. 2. We learnt math and science. (Which past do we use? Are both okay? Which one is commonly used?) 3. I went there every other week. 4. I went there every second week. 5. I went there every two weeks. (Are the three sentences
asked by rfvv 
math
Recall that Benford's Law claims that numbers chosen from very large data files tend to have "1" as the first nonzero digit disproportionately often. In fact, research has shown that if you randomly draw a number from a very large data file, the
asked by steph anne 
English
1. He goes to a concert every other week. 2. He goes to a concert biweekly. 3. He goes to a musical every other month. 4. He goes to a musical bimonthly. 5. She goes to a shop every other day. 6. She goes to a shop bidaily. 7. They have a meeting every
asked by rfvv 
English
1. Have a conversation with your friends. 2. Have a communication with your partners. 3. Have a chatting with your partners. 4. Have a talking with your classmates. 5. Have a speaking with your close friends. 6. Converse with your friends on the titles. 7.
asked by rfvv 
English
How can I paraphrase this sentence? Creative writers/poets create original written works, such as scripts, essays, prose, poetry or song lyrics, for publication or performance.
asked by Fading 
AP English Literature
PLEASE HELP ME this is from "the importance of being earnest" In Act II, Miss Prism and Dr. Chasuble are introduced for the first time. Their relationship can be best described by all of the following EXCEPT: A subplot A serious criticism of education and
asked by Brighton 
Chemistry
Calculate the pressure of an ideal gas if you have 4.3 L and 2.2 miles at a temperature of 238 K
asked by Anonymous 
social studies
where do most people in southwest asia live?
asked by brandi 
Trig/PreCalc
A bird is flying 30 mph in a direction 30 degrees south of east. Affecting the flight of the bird is a wind blowing from the northeast to the southwest at a speed of 10 mph. What is the resulting speed of the bird?
asked by Mark 
Math
A law firm has ten male and ten female lawyers. A committee of five two male lawyers and three female lawyers, is to be chosen to represent the firm at a conference. How many committees are possible? How do I solve this?
asked by Anonymous 
math
A bag contains a markers, 3/8 of which are red. How many other color markers are in the bag?
asked by Mara 
Math
Find the monthly payment, needed to have a sinking fund accumulate the future value, $16,000. The yearly interest rate is 6.7% and the number of payments is 20. Interest is compounded monthly. Round your answer to the nearest cent. I do not understand how
asked by Anonymous 
geometry
In rhombus MPKN with an obtuse angle K the diagonals intersect each other at point E. The measure of one of the angles of a ∆PKE is equal 16°. Find the measures of all angles of ∆PKE and ΔPMN.
asked by Anonymous 
Chemistry
Dinitrogen tetroxide decomposes to nitrogen dioxide: N2O4(g)→2NO2(g)ΔHorxn=55.3kJ At 298 K, a reaction vessel initially contains 0.100 atm of N2O4. When equilibrium is reached, 58% of the N2O4 has decomposed to NO2. What percentage of N2O4 decomposes at
asked by Justiss 
physics 10
Write 95.43×10^4 in scientific notation. Since we need to have the decimal place so that there is only one number on the left I guess I do this: 9.543 And to get back to where I was I need to go 1 So would this be the right answer: 9.543×10^1 I'm
asked by charu 
Science
The periodic table is arranged according to several trends. Which of the following is true as you move from left to right along the periodic table: A the element's atomic mass decreases and the atomic number increases B the element's productivity increases
asked by Kay 
English
1. I put my many books on the desk. 2. I put many books of mine on the desk. 3. I bought the many books at the book store. 4. I don't have any those books. 5. What those books do you have? 6. What many books do you want? 7. These many books are valuable.
asked by rfvv 
English
What is the prepositional phrase in the sentence? Put the lasagna in the oven tonight if you don't mind. 1) put the lasagna 2) in the over 3) the oven tonight 4) if you don't mind I think #1
asked by JAMIE 
Social Studies
How did Augustus change the Roman Republic?
asked by Help I need somebody not just anybody 
chemistry
Please help! N2H4 is decomposed in a closed container according to this reaction: N2H4 → N2 + 2H2 . If the temperature is constant and the initial pressure of N2H4 is 800mm, what will the pressure in millimeters be after the decomposition to N2 + 2H2?
asked by Anonymous 
american gov
Based on the excerpt, which statement best illustrates the impact of Lincoln’s proclamation on government? A >It increased the influence of the legislative branch. B. It caused the voters to elect a Democratic Congress. C> It allowed slaves to vote
asked by Martha 
Math
I am charged 80 cents for a 15 minute phone call. How much is that call per minute?
asked by Annette 
Microbes and Society
In Chapter 9 of the Bible, in the book of Exodus, the sixth plague of Egypt is described in this way: “Then the Lord said to Moses and Aaron, ‘Take double handful soot from a furnace, and in the presence of Pharaoh, let Moses scatter it toward the sky.
asked by Amber 
maths
The following shows the number of chairs rented and returned to Zippy party rentals. For the period Monday to Friday of a week in May. Number of chairs rented: Mon: 113 Tues: 367 Wed:258 Thurs:969 Fri: 1,083 Number of Chairs returned: Mon: 46 Tues: Wed: 96
asked by indira 
Chemistry
KClO3 decomposes according to the reaction below. How many grams of KClO3 are needed to produce 826ml of O2 at standard temperature and pressure? 2KClO3 → 2KCl + 3O2
asked by Sarah 
Algebra
Kyle and his brother Joel leave a rest stop at the same time traveling in opposite directions. After traveling for 6 hours, they are 780 miles apart. If Kyle drives 10 miles per hour faster than Joel, how fast was Joel traveling?
asked by Student123