Questions Asked on
February 17, 2017

Chem
The combustion of propane (C3H8) produces CO2 and H2O: C3H8 (g) + 5O2 (g) → 3CO2 (g) + 4H2O (g) The reaction of 3.5 mol of O2 will produce ________ mol of H2O.
asked by Agum 
geometry
In ΔABC, m∠ACB = 90°, and m∠ACD = 45°. Find:AC, if CD =6√2 in. can u put answer and solution
asked by Allie 
Stat
If radio station call letters must begin with either K or W and must include either two or three additional letters, how many different possibilities are there?
asked by Rocio 
business communication
please help me to revise this paragraph I’m fed up with the mistakes that our current accounting firm makes. I run a small construction company, and I don’t have time to doublecheck every bookkeeping entry and call the accountants a dozen times when
asked by JP 
Physics
Hi, the following is a problem that concerns angular momentum: Modern hard drives spin very fast! The part that holds the data is a disk called the platter. Assume an aluminum platter that is 3.5in. in diameter, 1mm thick, and spinning at 5400 rpm. Treat
asked by Grace 
math
Fair Race Portfolio Template: Functions Instructions: Follow the instructions provided in the lesson. Use this template to record your work and answers. Please submit this template to the dropbox along with any other evidence you would like to provide for
asked by help 
geometry
Given: ∆AKL, AK = 9 m∠K = 90o m∠A = 60 ° Find: The perimeter of ∆AKL The area of ∆AKL for this one i got 81 for the perimeter side a 6 and side b is 12
asked by Allie 
math
The particular solution of the differential equation dy/dt equals y over 4 for which y(0) = 20 is y = 20e−0.25t y = 19 + e0.25t y = 20 e0.25t  my answer y = 20e4t
asked by Anonymous 
Physics
How much does it cost to operate a 23W porch light for 24 h if electric energy costs 8¢/kWh?
asked by Mary 
Math
If the probability that an identified hurricane will make a direct hit on a certain stretch of beach is 0.04, what is the probability against a direct hit? So if it is against, would I take 1.04 and that would be the answer? Thanks!
asked by Katie 
physical science
The heating elements of an electric toaster is typically made of nichrome wire (an alloy of nickel and chromium). As current passes through the wires, the wires heat up, thus toasting the toast. Estimate the overall resistance of a heating element which is
asked by michelle 
Maths
Make h subject of formula in A=πr√h²r²
asked by Luke 
pyhsical science
A wire of uniform crosssection has a resistance of R Ω. What would be the resistance of a similar wire, made of the same material, but twice as long and of twice the diameter?
asked by michelle 
physical science
What length of German silver wire, diameter 0.050 cm, is needed to make a 28 Ωresistor, if the resistivity of German silver is 2.2 × 〖10〗^(7) Ω m (show work)
asked by michelle 
Equilibrium concentrations, please help!!!
Lead metal is added to 0.150 M Cr3+(aq). Pb(s)+2Cr3+(aq)⇌Pb2+(aq)+2Cr2+(aq). KC=3.2×10−10 What is [Pb2+] when equilibrium is established in the reaction? What is [Cr2+] when equilibrium is established in the reaction? What is [Cr3+] when equilibrium
asked by Sara 
Psychology
7. Research examining the perceptual abilities of newborn and very young infants has: a) provided little information regarding the notion that infants experience a "blooming, buzzing confusion" b) tended to contradict the idea that infants experience a
asked by Muhammad 
computers
13. Someone who is young, lacks funds, and really wants to gain technical skills while serving his or her nation should consider
asked by payton 
Stoichiometry
C3H5+5O23CO2+4H2O
asked by Jose 
math
Vivian is going to do some yard work, but she needs to leave her house at 2:00 to go to a football game. She is going to mow the lawn for 1 hour and 15 minutes, trim some bushes for 40 minutes, and put down some mulch for 25 minutes. She will also need 30
asked by someone 
math
One wet weekend, 0.86 inches of rain fell on Saturday. The next day, 1.52 inches of rain fell. How many inches of rain fell over the weekend? i need help I've been stuck on this for 30 minutes
asked by someone 
math
the difference between two whole numbers is 15.one of the numbers is 1.there are two possibilities for the second number. what are they?
asked by amy 
Esol
Long before his death, Pablo Picasso had became one of the most important artists in history... Long beforeinhad becamethe most which word or phrase is wrong?? had became is .thanks
asked by Victoria 
english 101
which word is wrong here? The physician overhead the insurance agent discussing the patient details of a client's medical condition with a personnel friend in the hospital cafeteria. overheaddetailsa client'sa personnelin the my answer is personnel
asked by engl1301 
math
Valerie tells Robbie, "I'm thinking of a number between 1 and 50. If I divide the number by 4, then add 5, then subtract 6, I get 6. i tried 12,24,36,48,42 its non of those
asked by someone 
Geometry
In the △PQR, PQ = 39 in, PR = 17 in, and the altitude PN = 15 in. Find QR. can u guys show how to solve the problem(plz include answer) i got 42 by using the pythagorean theorem i am not sure if i am correct but can u check it
asked by Allie 
physical science
. The maximum allowable resistance for an underwater cable is one hundredth of an ohm per metre. If the resistivity of cooper is 1.54 × 〖10〗^(8) Ω m, find the least diameter of a copper cable that could be used (show work)
asked by michelle 
English
"Marked the mastodon, The dinosaur, who left dried tokens Of their sojourn here" in this stanza of the poem ON THE PULSE OF MORNING what does it mean? I honestly don't know what this stanza tries to tell us
asked by Ari 
Language Arts
Hi! I just need someone to check my work please! :) Thanks! 1. Which of these is the defining characteristic of a comparisonandcontrast essay? A. Clear thesis statement. B. Organizational structure. C. Reliable sources. D. Similarities and differences
asked by Emma 
math
a 16 ounce pack of cereal cost $4.what is the unit cost?
asked by nimsay 
English
11. The _______ of an introduction to an essay establishes how you feel about your topic and the relationship with your readers. A. point of view B. focus C. topic D. tone I believe it is D) Tone.
asked by studnet 
spanish
How do you say an uncle in spanish? A:uno tio B:unos tios !@#$%^&io** How do you say some female cousins in spanish? A:Unas primas B:Una prima C:Unos primos**
asked by cam 
english 2
In this scene the Sergeant compares Macbeth and Banquo to â€œAs sparrows eagles, or the hare the lion.â€ Knowing that the eagle and the lion are predators and the sparrow and the hare are prey, what does Shakespeare reveal about the characters
asked by Anonymous 
Math
Sanjay borrowed twice the money borrowed by Alkesh at the same intrest of 12% p.a for 4 years. Ig Alkesh paid Rs 72000 less than the intrest paid by Sanjay, find the money borrowed by them
asked by Kimaya 
Psychology
charles has been told by the doctor he has lung cancer that is beyond treatment. His doctor tells him that he will probably die within a year. Charles suddenly starts to laugh and tells the doctor that the lab must have mixed up the test results. Chalres
asked by Muhammad 
Math definition
I need the meaning of the following I looked in math book and online but it gives me so many things I need the meaning of it to put in my notes. "Of" "Out of" "Multiply fractions"
asked by Jessica 
algebra
Annabelle and Navene are multiplying (4275)(4372). Annabelle's Work (4275)(4372) = 4^2 + 375 + 2 = 4577 Navene's Work: (4275)(4372) = 42â‹…375â‹…2 = 46710 Is either of them correct? Explain your reasoning.
asked by emily 
Math
If the ratio between the length and the perimeter of a rectangular plot is 1:3 then the ratio between the length and breadth of plot is?
asked by Mathematics 
Chemistry AP
Determine the value of x in al2(so4)3 . xh2o when 4 grams of aluminum sulfate hydrate was heated and 3.5 grams remain. (show working please)
asked by Roger 
Chem
How do peroxides differ from other group of oxide?
asked by James 
business communication
please help me to revise this paragraph I’m contacting you about your recent email request for technical support on your cable internet service. Part of the problem we have in tech support is trying to figure out exactly what each customer’s specific
asked by JP 
Algebra
can you help me graph the function y=5(3^x)please? f(x)=5(3^x) f(x)=5*3 f(x)=5(9) =15 =45 Is this the correct way to work this problem out and how to I graph?
asked by Michelle 
COLLEGE CHEMISTRY
write the net ionic equation (including phases) that corresponds to zn(no3)2 + Na2CO3>ZnCO3+2NaNO3.
asked by Alex 
math
A vial contains 20 ml of medicine. If each dose is 1/8 of the viral, how many mL is each dose
asked by jac 
math
Find the area of the following ellipse Use = 3.14 and round to nearest tenth. a = 7 in.; b = 9 in.
asked by billie 
Algebra
A frame is 4.8 inches wide and 1.5 inches tall. If it is enlarged to a width of 9.6 inches, then how tall will it be?
asked by Lisa 
physical science
The resistance of the ohm is very approximately that of a column of mercury 1.06 m long and of uniform crosssection of one hundred of a cm^2. Find the resistivity of mercury.(show work)
asked by michelle 
physical science
A block of carbon, 1.0 cm by 2.0 cm by 5.0 cm has a resistance of 0.80 Ω between its two smaller faces. What is the resistivity of carbon? (show work)
asked by michelle 
precalculus
how long will it take an investment of $1,750 to double in value at 8% annual interest compounded continuously?
asked by sue 
Chem
How many carbon atoms are contained in each of the following number of moles: (a) 1.40 mol; (b) 5.70 mol?
asked by Lex 
Chemistry
How Would You Classify The Oxides Of period3A Elemet?
asked by Isaac 
College Chem
A 1000 g sample of metal with a specific heat of 0.50 J/goC is heated to 100.0oC and then placed in a 50.0 g sample of water at 20.0oC. (Hint: Specific heat of water at 20.0oC is 4.182 J/goC). What is the final temperature of the metal and the water? Write
asked by nia 
Social Studies
I have 4 major events for my portfolio i just need one more could you help me? I already have World War II, Communist Revolution, Climate change, and Cold War. I need one more major event that happened in China.
asked by Someone 
Chemistry
The number of calories needed to raise the temperature of 5.0g of water from 25C to 55C
asked by Daph 
Math
Jan scored 17 points with four darts.what numbers did she hit?
asked by Huda 
backwards math
Valerie tells Robbie, "I'm thinking of a number between 1 and 50. If I divide the number by 4, then add 5, then subtract 6, I get 6.
asked by branden 
science, chemistry
Lead metal is added to 0.150 M Cr3+(aq). Pb(s)+2Cr3+(aq)⇌Pb2+(aq)+2Cr2+(aq). KC=3.2×10−10 What is [Pb2+] when equilibrium is established in the reaction? What is [Cr2+] when equilibrium is established in the reaction? What is [Cr3+] when equilibrium
asked by Sara 
Molarity question!! please help urgently!
Suppose you wanted to produce an aqueous solution of pH = 8.70 by dissolving one of the following salts in water: NH4Cl, KHSO4, KNO2, NaNO3. Use salt KNO2. But at what molarity? Please help!! Thank you!
asked by Sara 
8th grade ss
I just need help studying the civil war. I only want to study. Another teacher of mine found out other students were cheating on a quiz and it was omitted. I don't want to cheat I just need help studying. My grades are very good, I just want a study buddy.
asked by Keeper 
English
15. Read the following opening sentence of an introductory paragraph and answer the question that follows. Should you ever find yourself in a situation in which you suspect that someone is listening in your private conversation, you might not be as
asked by studnet 
Englsih
16. As a strategy for narrowing the topic for an essay on animal medicine, Felecia imagines interviewing a veterinarian. Which method of generating ideas is she using? A. Visualizing B. Questioning C. Brainstorming D. Freewriting Im pretty sure it is B. Is
asked by studnet 
Math
Rachel answer 20 out of 25 questions correctly on her science test what percent of the questions did she answer correctly
asked by Ciara 
algebra 2
. Which equation is in standard form and represents a line with slope –1 through the point (–3, 5)? a.x+y=2 b.y=x+5 c.x+y=5
asked by maylea 
Englsih
20. Tressa likes to generate ideas and relationships about a topic by writing a central idea in the middle of a piece of paper and then surrounding it with related ideas connected to each other and the main idea with a series of lines or arrows. This
asked by studnet 
Math Inequalities
Riverview Farms sold a combined total of 396 watermelons and cantaloupes. they sold 126 more watermelons than cantaloupes. Use n to represent the number of cantaloupes. Which equation could be used to solve for n? Answers: n + 126 = 396 n  126 = 396 2n 
asked by Cassandra Raven Moonstone 
grammar simple, compound/complex
1. We like stories which have unusual endings.
asked by Anonymous 
S.S
What was the name of the general panic around Communism in the United States?
asked by kacy 
physics
a bird can fly in still air at 20 miles per hour. when the wind is blowing straight from the north at 10 miles/hr. in what direction must the bird aim in order that it may fly from east to west and at what speed will it have?
asked by ravi ranjan 
Algebra
Need help trying to solve this question. Using the variables x and y determine the two equations you would need to solve for the maximum area to enclose a patio given 28 feet of fencing.
asked by Ebony 
Politics
To what extent do wealthy countries, such as the US and the members of the European Union have a responsibility to do more for the refugee crisis? I have to write a short essay on this topic and I do not exactly know how to approach it. Thanks
asked by Derek 
Esol
The patient was asked to choose ate items from the menu that are his favorites. to chooseate itemsthat arehis favorites ate items is wrong here. thanks
asked by Victoria 
Algebra
The charge to rent a trailer is $20 for up to 2 hours plus $8 per additional hour or portion of an hour. Find the cost to rent a trailer for 3.2 hours, 4 hours, and 7.6 hours.
asked by Keisha 
Algebra
Simplify: (x1/2)(x2/2)+(x3/2)...(x100/2)=
asked by dian 
Math
An arithmetic sequence has a first term of 0 and a 10th term of 15. If 10 is an output of the sequence, which term number is it? Show and explain how you know you have the correct answer.
asked by Candy 
Maths
What simple interest rate is equivalent to a compound interest rate of 6% p.a. over 10 years correct to two decimal places?
asked by Lilly 
Algebra 1
Which is the correct simplification of 2.2*10^4/8.8*10^9 written in scientific notation ? a) 0.25*10^5 b) 2.5*10^6 c) 0.25*10^5 d) 2.5*10^6 I think it is either a or c, but please help. * means multiplication sign Thank You !
asked by Connections Academy student 
Physics
State the similarities between Coloumb's law And Newton's Law Of Universal Gravitation.
asked by Jacob 
Economics
You have recently learned that the company where you work is being sold for 275000$ and income statements indicates current profit of 10000$ and interest remain constant at 10 % what constant rates does the owner believe that profits will grow? Does this
asked by Ubah 
chemistry
Q: Find pH of 0.2 M of CH3COONa + 0.1M of CH3COOH?
asked by Basharat 
Math
Checking my 6th grade daughter's homework but don't know how write these rational numbers in the form a/b... 4.75 6 1/8 6.3 10 1/2
asked by Alisa 
Physical sciences
One use of nitrolim
asked by Anonymous 
science
compute the average velocity in the following two cases: you walk 73.2m at a speed of 1.22m/s and then run 73.2m at a speed of 2.80m/s
asked by thabisoc seekane 
Maths
A box weighing 20N, resting on a ramp, is kept at equilibrium by a 4N force at an angle of 20 to the ramp, together with a frictional force of 5N, parallel to the surface of the ramp. Determine the angle of elevation of the ramp.
asked by Connie 
history
Why did the British look to colonize the region, and how did that change the lives of indigenous people?
asked by Taiwan 
finance
Inflation, disinflation and deflation can have significant effects on income statements and balance sheets, and therefore on the calculation of ratios. Discuss the possible impact of inflation, disinflation and deflation of the ratios, and explain the
asked by umme 
finance
Explain in detail on how does the modified internal rate of return include concepts from both the traditional internal rate of return and the net present value methods? Use a quantitative example to present for your answer.
asked by umme 
Social Studies
In which of the following ways did the 1920s wealth gap contribute to the start of the Great Depression. A. The wealth gap led to a decline in stock investment during the 1920s B. A concentration of wealth led to less spending across the economy C. Many of
asked by EmberShy 
Mathematics
A ship sails 50 km on a bearing of 70 degrees. How far North is it from its starting position.
asked by Teresa 
math
dev has 120 stickers.he is going to get some more stickers,n,from his friend.write an expression using n to show how many stickers dev will have. please could you do it quickly i have to give this in after the half term and the other question i did!!!
asked by amy 
math
a square green rug has a blue square in the center. the side length of the blue square is x inches. the width of the green band that surrounds the blue square is 6 inches.
asked by Anonymous 
Physics 202help
If we have just counted 15 seconds between the lightning and thunder, how far away do we predict the center of the thunderstorm to be using the 3 second rule and What was the percent difference between the prediction and the real distance of the
asked by mariah 
Algebra! Please Help!
What are the next three terms in the sequence? 6, 5, 16, 27,... A. 38, 49, 60 B. 37, 47, 57 C. 36, 45, 54 D. 36, 46, 57
asked by Lilly 
Math
Describe transformations of f(x)=f(2x)
asked by Kevin 
math
hi I wanna help of this question: eight multiplied by a number is three more than thirteen.
asked by thaby 
LIFE SCIENCE
WHY IS A SPOROPHYTE CALLED A SEMIPARASITE
asked by KENT 
Ethics
Please assume that, in the process of assisted reproductive technology (ART), more human embryos were created than are needed by the donors for the purposes of their assisted reproduction. Under these circumstances, which of the following is most likely to
asked by Anonymous 
math
1. What number is 73% of 215? (1 point) 215 = 0.73n n = 0.73 × 215 0.73 = n × 215 215 = 73n
asked by not a hero but your hero is 
History
Described the nature of England's first successful colonial settlement ,Jamestown,as it envolved from a flounder,haphazard enterprise into a stable colony,complete with social and racial tensions.
asked by Nikita 
ANSWE DIS
How were the Aborigine people affected when their children were forced to live with British families or in institutions?
asked by Taiwan 
college chemisrt
write the net ionic equation (including phases) that corresponds to zn(no3)2 + Na2CO3>ZnCO3+2NaNO3
asked by Alex 
Vector
vector PQ is parallel to vector v [4, 6] and has initial point P(7,5). Determine the coordinates of Q.
asked by Connie 
Esol
She was so mad on her boyfriend, she terminated/hanged up/hung up/yelled him when he called. hung up is correct bc is pp of hang yes guys, am i right??
asked by Victoria 
math
Prove that the product of three consecutive even integer is divisible by 48l
asked by sarat 
PE
Explain why a doctor would prescribe medicine to someone who is in good health? A. your cousin got her wisdom teeth removed and has been in alot of pain. B. Your grandmother is not getting enough iron in her food and she feels tired all the time. C. (Your
asked by Help I need somebody not just anybody 
Satistics
What is the probability that two 5 year old stink bugs will live to 6 years old?
asked by Marilyn 
math
Carol buys 1.2 pounds of chicken breast. If each pound of chicken breast cost $3.70,how much will she pay for the chicken breast.
asked by jac 
math
given the following equations: 2x3y=10 3x=4y=15 which one of the regression equation x on y? show computation
asked by AAA 
math
At YoYo Yogurt, the scale says that Sarah has 8 ounces of vanilla yogurt and her father's yogurt weighs 11 ounces. How many Pounds of frozen yogurt did they buy altogether? Express your answer as a mixed number
asked by jac 
Algebra
Can you please help to solve this problem: 3n2^ + 10n = 5 Thank you
asked by Lucille 
Science
A silver picture frame has a volume of 5.97 cubic centimeters and a mass of 59.7 grams
asked by Gabby 
Geometry
ABCD is a parallelogram with diagonals intersecting at E. If AE = 3x + 12 and EC = 27, find the value of x.
asked by kylie 
physics
A proton travels to the east at 3.5*10⁶ m/s as it enters a region of uniform magnetic field. The magnitude of the magnetic field is 0.15 T and its direction is 30° north of east. Find the magnitude of the force on the proton at the moment it enters the
asked by uy 
math
5 apples costs 7 kg. Let x be the cost of 7 apples, make an equation to find out the cost of 7 apples
asked by don 
physical science
Taking the resistivity of platinoid as 3.3 × 〖10〗^(7) Ω m, find the resistance of 7.0 of platinoid wire of average diameter 0.14 cm.
asked by michelle 
physical science
A uniform stripe of eureka (resistivity 50 × 〖10〗^(7) Ωm) has a resistance of 0.80 Ω per metre and is 0.25 cm wide. What is its thickness? (show work)
asked by michelle 
cuny
2.A lab class conducts a 1000 trial scattering probability experiment. Nine (9) target marbles were used on a 46.0 cm wide board. The marble diameter was calculated to be 1.48 cm. 1.How many hits were recorded during the experiment? 2.If the standard value
asked by ll 
Research 1
The population that is represented by a sample is a. Everyone in the US who is the same age as the participants b. the group of people who are sufficiently similar to the sample members that the results generated by the study can be expected to generalize
asked by Dianne 
Business Math and Statistical Measures
You decide to take out an ordinary loan of $30,000 at 4%, on a 90 day note. In 45 days you decide to make a payment of $10,000 on the loan. What is your new principal? Expaln how you got answer. How much did you pay at the end of the loan overall? How does
asked by Linda 
um
Use a calculator to find an approximate value (in radians) of the expression rounded to five decimal places, if it is defined. (If an answer is undefined, enter UNDEFINED.) tan−1(8)
asked by m 
Esol
Jf Kennedy was a senator before he  president in 1960. Has elected/was electing/was elected/elected has elected is right answer bc of action in the past ya
asked by Victoria 
Math
There were 400 people at a festival. 2/5 were adults and the rest were children. 1/3 of the children were boys. How many boys were there?
asked by Alonzo