Questions Asked on
May 1, 2014

4th Grade Math
Maggie Ordered 3 pizzas. Each pizza had 6 slices each. 5/6 of the pizza had mushrooms on it. How many pieces had mushrooms?
asked by A. Troy 
4th Grade Math
Mickey Mouse love cheese. He had 24 wedges of cheese. 3/4 of the wedges were cheddar and the other wedges were gouda. How many wedges were cheddar?
asked by A. Troy 
4th Grade Math
In Sassy' closet, she has 64 shirts. 2/8 of the shirts were blue. How many of Sassy's shirts are blue? How many are not blue?
asked by A. Troy 
English
1. The fire happens in the year 1666. 2. The fire happens in 1666. (Which one is commonly used? What is the difference between them?)
asked by rfvv 
Physic
A vacuum pump is connected to its electric motor by a belt drive (Fig. 940, not to scale). The motor rotates at a rate of 1000 rev/min and the diameter of the motor shaft is 2.9 cm. How large (diameter) should the pulley be if it is designed for a speed
asked by Anonymous 
English
1. A small animal that is covered in fur and has a long thin tail. 2. A small animal that is covered with fur and has a long thin tail. (That is the definition of 'mouse'. Do we have to use 'in' or 'with'?)
asked by rfvv 
Physic
Two identical tops spin with angular velocities 45π rad/s up and 19π rad/s down, respectively, about vertical axes on a table. The tops bump into one another and separate. After the collision, one of the tops has an angular velocity of 35π rad/s in its
asked by Anonymous 
LEA201
Conduct an analysis of community policing with regard to the impacts pertaining to law enforcement administration. Thoroughly compare and contrast the aspects of community policing that are significantly influenced by the public interaction and political
asked by Scott 
pre calculus
You have a $50 coupon from the manufacturer good for the purchase of a cell phone. The store where you are purchasing your cell phone is offering a 20% discount on all cell phones. Let x represent the regular price of the cell phone. (a) Suppose only the
asked by Danielle 
pre cal
An airplane is flying at a speed of 350 mi/h at an altitude of one mile. The plane passes directly above a radar station at time t 0. (a) Express the distance s (in miles) between the plane and the radar station as a function of the horizontal distance d
asked by Danielle 
science
How are restriction enzymes important tools in genetic engineering?
asked by Jonas 
English
Where is the Lord Mayor of London? (Why is 'Lord' added before 'Mayor'here? In the sentence, what is the meaning of 'Lord'?)
asked by rfvv 
pre calculus
Express statement as an equation. Use the given information to find the constant proportionality z varies inversely as t. If t 3, then z 5.
asked by Danielle 
calculus 1
find the cubic function,f(x)=ax^3+bx^2+cx^d , has local maximum value of 3, at x=2 and local minimum value of 0, at x=1.
asked by sumee 
pre calculus
4+7i divided by 2 (problem is written as a fraction) 4+7i _________ 2
asked by Danielle 
science
is that electric current occupies space?
asked by sonia 
Probability
Consider a Poisson process with rate λ. Let N be the number of arrivals in (0,t] and M be the number of arrivals in (0,t+s], where t>0,s≥0. In each part below, your answers will be algebraic expressions in terms of λ,t,s,m and/or n. Enter 'lambda' for
asked by A 
Probability
A single dot is placed on a very long length of yarn at the textile mill. The yarn is then cut into pieces. The lengths of the different pieces are independent, and the length of each piece is distributed according to the same PDF fX(x). Let R be the
asked by A 
Probability
We are given the following statistics about the number of children in the families of a small village. There are 100 families: 10 families have no children, 40 families have 1 child each, 30 families have 2 children each, 10 families have 3 each, and 10
asked by A 
Math
. A playground has a total of 18 swings and slides. There are as many swings as there are slides. How many are there of each?
asked by Anonymous 
accounts
People from all over the world moving from sole proprietorship to partnerships due to the numerous benefits they get. You are required to tell why the focus is shifting from sole proprietorship to partnership? Explain your answer with the help of at least
asked by fatima 
physics
A wire of uniform thickness with a resistance of 27 ohm is cut into three equal pieces and are joint in parallel.find the resistance of the parallel combination.
asked by archit 
networks
i was studying for my network exam and came across the question Compare and contrast packet switching and circuit switching, i compared them no problem but i don't know the actual similarities between them, pls help
asked by olu 
English
I need to change the word heavy into light only changing one letter at a time
asked by Evan 
English
Thomas Farriner BAKER To King Charles II  Is this grammatical? What is the role of the preposition 'to'?
asked by rfvv 
English
The fire lasted for four days, from 2 September until 5 September.  How do you read '2 September' and '5 September'? 1. Second September, fifth September 2. September second, September fifth
asked by rfvv 
networks
Sorry but what causes packet jitter
asked by help 
networks
what method can be used to reduce packet jitter
asked by help 
8th grade science
If you see that a hotair balloon is rising above the top of a hill, what is the top of the hill called?
asked by skiler 
Alg
y^2/4  x^2/25 (less than or equal to 1 y (greater than or equal) 2/3 x +4
asked by K ASAP 
music
How many beads do fourth graders need on their recorders?
asked by Wendy 
Statistics
A 95% confidence level for the difference between u1 and u2 runs from 2 to +6. From this we can infer that a. u1 is probably greater than u2. b. u1 is probably less than u2. c. there may be no difference at all between u1 and u2. d. the difference between
asked by Kevin 
Statistics
Carol has data on the causes of violent outbursts among kindergarten children. She used a "shotgun" approach to hypothesis testing by asking the computer to produce pvalues for 300 quickly chosen hypothesis tests. She shared her glee with fellow
asked by Kevin 
math
factorise 116(1y)^2 please help me
asked by Robert 
buisness finance
Series Average return Standard Deviation Largecompany stocks 10.7 % 19.3 % Smallcompany stocks 16.4 33.0 Longterm corporate bonds 6.2 8.4 Longterm government bonds 6.1 9.4 Intermediateterm government bonds 5.6 5.7 U.S. Treasury bills 3.8 3.1 Inflation
asked by jnea 
malay
How do you respond to these malay questions? Siapakah kawan baik anda di sekolah? Adakah kamu suka akan matapelajaran matematik?Mengapa? Makanan apakah yang paling anda gemari? Adakah anda suka membaca buku novel?
asked by sonia 
math
given a Gp below, find the values of m, and the next 2 terms: m, m+3, m^2+3
asked by Robert 
math
Jose invests 3250 dollars at 6% interest compounded annually. What will be the balance in the account after 3.5 years? A. 3932.50 dollars B. 3985.23 dollars C. 4752 dollars D. 5200 dollars
asked by brianna 
Science
How much work is done on the trolley by the force,if the force applied is 200N at an angle of 37 degrees to the horizontal and the trolley moves a distance of 10m.
asked by ANNAH 
history 11th grade
What are some of the perils of the Amazon Rain Forest
asked by Denise 
Help Ms.Sue!!! Social Studies
1. How does the IsraeliPalestinian conflict most directly affect the daily lives of young people in Jerusalem a. civilian violence b. peace talks c. international negotiations d. political parties ( my answer) 2. which is the best location for farming? a.
asked by annonomys 
Math
A truck costing $25,000 with a residual value of $5,000 was purchased by Rim Corporation. The truck’s estimated life is 10 years. At the end of Year 2, what is the book value using decliningbalance method? Assume a depreciation rate of twice the
asked by Anonymous 
English check answer !
i think its C. Which of the following show the correct use of a colon? A. my tennis lesson begins exactly at 40:0 p.m. B. Dear: Ms.Hershel C.I have a doctor's appointment at 12:30 p.m.
asked by matt 
consumer math
You wish to paint a storage shed. Its four walls measure 7 ft. high and 8 ft. wide each. If one gallon of paint covers 160 sq. ft., how many gallons of paint will you need?
asked by wilton 
Physics
A block of mass M1positioned on a slope (at an angle ) is connected by means of an inextensible wire, of negligible mass, to another mass, m2, suspended from a frictionless pulley. The coefficients of static and dynamic friction between the slope and
asked by Jason 
science
A student is trying to identify the different forms of energy described in the following chart:
asked by nikii 
math
A ladder 20m long rest aganist a vertical wall so that the foot of the ladder is 9m from the wall.
asked by Okon 
Statistics
You want to know if there's a difference between the proportions of high school students and college students who read newspapers regularly. out of a random sample of 500 highschool students, 287 say they read newspapers regularly, and out of a random
asked by debbie 
world history
what effect did Punic wars have on small roman farmers? A. grain from conquered lands drove gain prices B. grain from conquered lands drove up grain prices C. new strains of grain from conquered lands helped them thrive D. the lack of grain from conquered
asked by help plzz 
math (2)
Find the first partial derivatives of the function. f(x,y,z) = xe^(y/z) a. fx = ? b. fy = ? c. fz = ?
asked by Mia 
math (5)
The monthly profit (in dollars) of Bond and Barker Department Store depends on the level of inventory x (in thousands of dollars) and the floor space y (in thousands of square feet) available for display of the merchandise, as given by the equation below.
asked by Mia 
Statistics
You want to know if there's a difference between the proportions of high school students and college students who read newspapers regularly. out of a random sample of 500 highschool students, 287 say they read newspapers regularly, and out of a random
asked by debbie 
Math (6)
The formula below gives the surface area S of a human body (in square meters) in terms of its weight W (in kilograms) and its height H (in centimeters). S = 0.007184(W^0.425)(H^0.725) Compute SW and SH when W = 100 kg and H = 180 cm. SW = ? SH = ?
asked by Mia 
Economics (4)
Assume that the following data describe the condition of the banking system: Total reserves $200 billion Transactions deposits $800 billion Cash held by public $400 billion Reserve requirement 0.20 By how much could the banks increase their lending
asked by Mia 
Economics (7)
Assume that a $1,000 bond issued in 2012 pays $100 in interest each year. What is the current yield on the bond if it can be purchased for Instructions: Enter your responses as a percent rounded to one decimal place. (a) $1,200? Yield on $1,200 bond is =
asked by Mia 
Math
1. Graph and identify the coordinates of a rectangle with a length of at least 5 units and a width of at least 2 units. Each vertex of the rectangle must be in a different quadrant. Two of the points must have rational coordinates that are not integers
asked by Anny 
Physics
A piston in a bicycle pump is pressured half way into the pump without letting air get out and at unchanged temperature. Inside diameter of the pump is 2,3 cm. a) What is the pressure inside the pump in atm? b) How much force is needed to hold the piston
asked by Physics: Gas Law? 
Questions
can someone give me some facts about the environment in south america !?!?!?!?!?!
asked by matt 
world history
Which of the following describes the specific role of the senate in the roman government? A. to enforce laws B. to make laws C.yo interpret law D. to provide counsel to citizens
asked by I NEED HELP FAST!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 
algebra
(y^2  y + 2)/(y + 2) I put this in calc101 . com and I got an answer with y  3 in the quotient and got 8 in thr remainder area. My answer key says the answer is y  3 + 8/y + 2. Can someone explain how the answer key has this answer?
asked by Anonymous 
Algebra
Divide this rational expression and polynomial (12x^2 + 9x7)/(3x)
asked by Sandra 
Math
Could I please get another example of a math problem like the one I did below? 2(x  14) + 3 = 7x + 5
asked by Stacy 
PHYSICS URGENT
2. A point charge of +1.0 µC is moved in the direction of an electric field, and it has a change in electric potential difference energy of 10.0 J. What was the change in electric potential difference? 1 µC = 106 C (Points : 1) 1.0 × 10^8 V 1.0 ×
asked by Hannah 
Math
I need help with the below math problem. I have to write out the steps to show the answer. 2(x  14) + 3 = 7x + 5
asked by Laura 
Physics quick help please
6. If 4.0 × 1018 J of work done on a point charge changes its electric potential difference by 25.0 V, then what is the magnitude of the charge? (Points : 1) 1.6 × 101^9 C 4.0 × 101^9 C 1.6 × 101^8 C 4.0 × 101^8 C 7. Two parallel plates have an
asked by Jacob 
Geometry
Geometry: the width and area of a rectangle Is (4b^3+5b3)/(2b1) What is the length of the rectangle? Show work.
asked by Sandra 
math
find the slop of (17,18),(4,12)
asked by jilena 
Math
Last week we talked about Order of Operation or (PEMDAS) and this week we are solving Linear Equations. Is there any relation to the two practices? Think about it, are the processes similar? Is the process reversed? I think that there is a relation between
asked by Jamie 
Science
Hello. I need help with science questions. Could you please check these answers for me? Thank you very much! 1. Which of the following traits is acquired A. the number of petals that grow in a plant's flowers B. the wing shape of a wild bird C. the ability
asked by Chad questintino 
English help please
Which of the following personal completes the sentence correctly? One of my brothers just received ____diploma? A. his B. him C. their I think it is A or B. Can't quite decide. Please help.. Thank you
asked by Cassie 
Buying A Car
Which one of these statements is true about a "bumpertobumper" warranty. A. Normal wear and tear is NOT covered by the warranty. B. All expenses except gasoline and routine oil changes are covered by the warranty. C. Every part and system is covered
asked by Kristen 
math
The radius of the earth is approximately 3950 miles. The radius of Jupiter is approximately 44,400 miles. Since the radius of Jupiter is more than 11 times that of the earth, which comes closest to the volume of Jupiter ?
asked by alicia 
math
how much lottery revenue has been allocated to education in nc
asked by Grace 
Algebra
Word problem: A new photocopier can make 72 copies in 2 min. When the older photocopier is operational, the two photocopiers together can make 72 copies in 1.5 min. How long would it take the older photocopier to make 72 copies working alone? Show work.
asked by Sandra 
Math
97+14=18b+9
asked by Dashawn 
math
Kyle got in his car and started driving toward his grandmother's house. After driving for 1 hour and 47 minutes, Kyle took a break for 31 minutes to have a snack. Then Kyle drove 43 minutes and finally arrived at his grandmother's house at 4:12 P.M. What
asked by lulu 
HELP MATH ONLY 1 QUESTION!!!!!!!!!!!!!!!!!!!!!!!!!
you draw five card from a standard deck of 52 cards p(heart)=4/5. what type of probability is illustrated and why?? 1) Theroretical ; the result is based on then number of possible outcomes 2) Theroretical; the result is found by repeating an experiment
asked by someone 
Data math help 7th
Jeri asked 40 random students at his school to name their favorite ice cream flavor. Of the 40 students he asked, 25 of them preferred chocolate. Based on Barry's results, how many ff the 1200 students in the school most likely prefer chocolate ice cream?
asked by moby 
HELP MATH 1 QUESTION!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
a number cube is rolled 120 times. the number 4 comes up 47 times. what is the experimental probability of rolling a 4 A) 47/120 ; 1/30 B) 47/120 ; 1/6 C) 4/47 ; 1/6 D) 1/6 ; 47/120
asked by someone 
math
The sphere has surface area 2058 cm2. Its radius, to the nearest tenth, equals
asked by alicia 
Survey Math help
A movie complex has eight different movie theaters. The manager of the complex wants to conduct a survey to determine which snacks to add to the menu. Which represents the best sample the manager could use for the survey? Would I do specific ages the first
asked by Kristin 
Function Maths 11
How do you find the related acute anle of tan110 and sin350? I don't understand how to get the answer...
asked by harley 
science
Which of these statements about saltwater is correct? Saltwater freezes at a lower temperature Saltwater freezes at a higher temperature
asked by Anonymous 
science
Which of the following illustrates mechanical weathering? A. Carbonic acid weathers marble limestone B.As plants grow, they produce weak acids that slowly dissolve rock C.Oxidation causes weathering in rock
asked by Anonymous 
Math "Ms Sue"
Carrie found the mean hourly wage of employees at his company using the data in the table. In a report he stated, " The typical salary at the company is about $23.00 per hour. How is this misleading?
asked by moby 
Chemistry
Write the half cell reactions of the following? 1) Cu/Cu^2+(0.1M)//Ag^+(0.1M)/Ag 2) Zn/Zn^2+ (0.1M)//Cu^2+(0.1M)/Cu 3) Zn/Zn^2+(0.1M)//Ag^+(0.1M)/Ag 4) Zn/Zn(NH3)4^2+*0.5M)//Ag^+(0.1M)/Ag 5) Zn^2+(aq)+4NH3(aq) ...show more Also, around what range of
asked by Ingrid 
College chemistry
From the reaction below, calculate the free energy of formation for C3H6(g) at 25°C, if ΔGfo(CH4(g)) is 50.790 kJ/mol. 3CH4(g) ↔ C3H6(g) + 3H2(g) ΔGo = 215.302 kJ/mol i've tried doing finalinitial, and products minus reactants but i'm not getting
asked by hershi 
college chemistry
What is the free energy change at 25°C for the reaction below, if ΔGfo(CH4(g) = 50.790 kJ/mol, ΔGfo(C7H14(g)) is 95.887 kJ/mol. C7H14(g) + 7H2(g) ↔ 7CH4(g) similar question but gives some different G's
asked by hershi 
Chemistry
A sample of nitrogen occupies a volume of 300ml under a pressure of 380 torr at 177C. What would be the volume at STP? I know the answer is 430mL but I don't know which equations to use to formulate the calculation.
asked by n 
Physics
Find the equivalent resistance in 16 ohm and 8.0 ohm connected in parallel.
asked by Han 
math
I need the LCM of numbers 2,30,57 please I am not understanding it very well
asked by svet 
Chemistry
How do I find delta S of 2 Na(s) + 2H2O(l) > 2NaOH(aq) +H2(g)? I tried to find it using this.... ^Srxn= 2S(NaOH)  S(H2) 2S(Na)  2S(H2O) = 2(48.1)130.7  2(51.21)  2(69.95) = 96.2  130.7  102.42  139.9 = 279.82 Where did I go wrong??
asked by Shana 
chemistry
Why is water essential to living things? A. Water is essential because it is an inorganic compound. B. Water is essential because it contains hydrogen and oxygen atoms. C. Water is essential to many of the chemical reactions that occur in the body. D.
asked by I NEED HELP FAST!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 
Trig. Math
A circle of radius 2 inscribed in a right triangle. Find the simplest expression possible for the triangle's area as a function of its hypotenuse.
asked by Jemisha 
Chemistry
1) Which ion(s) below would undergo hydrolysis in water? A) Cl B) K+ C) NH4+ D) NO3 E) Two of the above My guess is C, but I'm not too sure about this one. 2) Calculate the [OH] present in solution labeled 1.73 M methylamine. CH3NH3 + H2O > CH3NH3+ +
asked by Amanda 
Physics/Algebra
Physics: For a 225watt bulb, the intensity I of light in lumens at a distance of x feet is I=225/x^2. a. What is the intensity of light 5 ft from the bulb? b. Suppose your distance from the bulb doubles. How does the intensity of the light change?
asked by Sandra 
Physics waves
1. A vibrating point on a spring travels 60 mm during three cycles. What is the amplitude of the vibration? a) 0.05 mm b) 5.0 mm c) 15.mm d) 20.mm e) 180 mm my answer: I got 10 mm but it is not listed as an option 2. When a tuning fork of unknown frequency
asked by Liz 
Math
I need the lowest LCM of the number to the 2 number 30 and the number 57
asked by Svet 
Finance
An investor buys 100 shares of a $40 stock that pays an annual cash dividend of $2 a share (a 5 percent dividend yield) and signs up for the dividend reinvestment plan. A. If neither the dividend nor the price changes, how many shares will the investor
asked by Stacy 
Please do Civics Essay thanks so much
Please Help with essay question. thanks!! In a federal system of government (also known as a federation), the local and state governments share power with the central government, though the central government has final authority. Eplain how this is
asked by Roy 
Chemistry
The following reaction is reactantfavored at equilibrium at room temperature. COCl2(g) > CO(g) + Cl2(g) Will raising or lowering the temperature make it productfavored?
asked by Shana 
math
There are 5 cars taking students to a museum.Each car can seat 4 students.How many students can go to the museum?
asked by Jorianys 
math
It took Aaron 4 hours to drive 232 miles. Use the equation below to determine what his average rate of speed was. D = r x t D = distance, r = rate of speed, t = time
asked by Anonymous 
Practical english
Which of the following sentences contains an indefinite pronoun? A. Her car's battery died because she left the lights on. B. The team congratulated one another on a job well done. C. This is Mary's necklace. D. The flowers, which were just planted, need
asked by Nene Pepper 
Space Exploration
Give two reasons why observatories are still being built on Earth instead of launching more space telescopes? I I'm assuming one reason is the cost but can't find another reason .
asked by Cherie 
Chemistry
Just two more to check, thanks! 1) The pH of a 1.25 M solution of unknown monoprotic acid is 5.43. Determine the value of Ka for this acid. HX H+ + X. (I obtain 1.0 x 10^11) 2) Calculate the pH of a solution which is 0.73 M benzoic acid. Ka = 6.5 x 105,
asked by Amanda 
trig
A soccer ball is placed 12 ft away from a goal post that measures 8ft high. You kick the ball and it hits the crossbar at the top of the goal. What was the angle of elevation of your kick?
asked by Anonymous 
questions
Grammar, spelling, and facts can someone tell me about that in south america????
asked by matt 
Calculus Help
Use calculus to find the area A of the triangle with the given vertices. (0, 0), (3, 1), (1, 8) A = ????
asked by Anonymous 
science
A 0.63kg{\rm kg} mass vibrates according to the equation x=0.30cos7.00tx = 0.30 \cos 7.00 t, where xx is in meters and tt is in seconds. Determine the amplitude.
asked by toto 
Pysical science
what is the volume of iron (p=7.9 g/cm3) that has a mass of 0.05kg
asked by toya 
Calculus Help
Find the values of c such that the area of the region bounded by the parabolas y = 4x^2 − c^2 and y = c^2 − 4x^2 is 256/3. (Enter your answers as a commaseparated list.)
asked by Kevin 
Math 208
A clothing store offers a 20% discount on all purchases. What is the discount in dollars (before tax) for an item originally costing $16.00 dollars?
asked by Mayra Jacobs 
History8
Which of the following was NOT a reason the United States needed a stronger national government system? A.States maintained control over their own currency. B.The Articles of Confederation based the number of votes a state had in Congress on the size of
asked by foreveryoung_9914 
History8
In Westside Community Schools v. Mergens, the Supreme Court ruled in favor of the __________, stating that it was a violation of __________. A.principal . . . church and state B.students . . . their First Amendment rights C.students . . . their patriotic
asked by foreveryoung_9914 
science
Johnny left a glass of milk on his bedside table for a week, and it spoiled. at the end of the week, the glass contained a yellow liquid with lumpy white chunks, and there was a terrible order. what can be concluded? A. the milk has undergone a physical
asked by ms.sue help please 
math
Evaluate: 2 to the fourth power + 2 to the third power
asked by Anonymous 
math
If the area of a circle is twice the area of a triangle whose base is 4 pi and whose altitude is 4, the radius of the circle equals a. square root 32 b. 2 c. 4 d. 8 e. 32 please answer and explain
asked by thomas 
Biology
Does the adrenal gland have any role in DIRECTLY DETECTING a change in the blood glucose level? Or is only the pancreas involved?
asked by Erin 
calculus help
find the derivative of the function. integral cos(x) to sin(x) ((ln(8+3v))dv)
asked by Kevin 
Physics
An ornamental thermometer, commonly known as a Galileo thermometer, contains a number of spheres of hollow colored glass, representing different temperatures, immersed in a column of ethanol. A particular sphere rises from the bottom to the top of the
asked by Erin 
Science
Which of the following demonstrates that reactants and products are chemically different? A. Zn + 2HCl > 2HCl + Zn B. Zn + 2HCl > H2 + ZnCl2 C. H2O + C4H10 > H2O + C4H10 D. C4H10 + H2O > C4H10 + H2O
asked by ms.sue help please 
science
if new information about the behavior of atoms is discovered and verified, then revisions will need to be made to the current _______ ?
asked by ms.sue help please 
math
Use distributive property to write an expression equivalent to: 10 (5g + 8k)
asked by Anonymous 
History 8
What was one of the main problems with states controlling their own currency? A.States always had to pay the national government more money than they were able to produce. B.States could make their own money and assign it a specific value. C.Paper money
asked by foreveryoung_9914 
science
In an effort to reduce global warming, individuals and companies have been buying __________________ to fund restorative projects.
asked by Anoymous 
Chemistry
A small pebble is heated and placed in a foam cup calorimeter containing water at 25 °C. The water reaches a maximum temperature of 27 °C. If the pebble released 532.1 J of heat to the water, what mass (in g) of water was in the calorimeter? can you show
asked by Rachel 
Calculus Help Please Urgent!!!
Breathing is cyclic and a full respiratory cycle from the beginning of inhalation to the end of exhalation takes about 3 s. The maximum rate of air flow into the lungs is about 0.3 L/s. This explains, in part, why the function f(t) = (3/10)sin(2πt/3) has
asked by TANYA 
Chemistry
100.0 ml of 0.25 M HCL are required to titrate 65 ml of NaOH. What is the M of the NaOH?
asked by Anonymous 
math
Amy earned $93 at work yesterday. She gets paid $8 per hour, plus she received a $45 bonus. Write an equation that can be used to determine how many hours Amy worked.
asked by Anonymous 
Constituion
what article of the Constitution clarify the federal system of government?
asked by foreveryoung_9914 
Math
•Explain in your own words what the meaning of domain is. Also, explain why a denominator cannot be zero.
asked by heaven 
English Literature
We have just finished reading Poe's "The Fall of the House of Usher" and I need to explain, in a paragraph what "Roderick is all mind in a weak body" means. I think it's somehere along the lines of his spirit being alive but his exterior being dead. I'm
asked by Bob 
Constituion
Does Article I gives the legislative branch power to make laws?
asked by foreveryoung_9914 
math
You toss a coin 15 times. P(heads) 2/5 = a. experimental; the result is found by repeating an experiment. b. experimental; the result is based on the number of possible outcomes. c. theoretical; the result is found by repeating an experiment. d.
asked by ms.sue help please 
chemistry
Kc for the decomposition of ammonium hydrogen sulfide is 1.8 x 104 at 15oC. a. When 5.00 grams of the pure salt decomposes in a sealed 3.0 L flask at 15oC, what are the equilibrium concentrations of NH3 and H2S? b. What are the equilibrium concentrations
asked by mattie 
calculus help
find the derivative of the function integral from cosx to sinx (ln(8+3v)dv)
asked by Chris 
chemistry
A Can of CO2 contains 5.75gmolecules of CO2. Calculate (a)number of moles of CO2 (b) mass of CO2.
asked by maris 
math
write a diameter if 8pound test line in words and as a fracion
asked by kim 
Chemistry
Aniline, C6H5NH2, is a weak base. If the hydroxide ion concentration of a 0.223 M solution is 9.7 106 M, what is the ionization constant for the base?
asked by John 
aed
• From the Select Chapter menu, click 11. o From the menu on the left, select Video. o Click on the “Classroom Management” video clip. • Choose either the constructivist or behaviorist theory of education. • Write a 700 to 1,050word paper in
asked by maca 
math
she made 3 frames for pictures that each have an area of 24 square inches and each have a perimeter of 20 inches. How many tiles did she use for all 3 frames?
asked by Januita 
calculus help
use the midpoint rule with the given value of n to approximate the integral. round the answer to four decimal places. integral 0 to pi/2 2cos^3(x)dx, n=4 M4=????
asked by Anonymous 
Calculus Help and Check
find the derivative of the function integral from cosx to sinx (ln(8+3v)dv) y'(x)= (sin(8+3((sin(x)))+x)+sin(8+3sin(x)x))/2 Is this the right answer?????
asked by Chris 
english
In your opinion what point could making an observation halt or obstruct the writing process
asked by gwendolyn 
statistics
At the beginning of the semester, students who registered for a statistics course were randomly assigned to two sections, each taught by a different instructor. At the end of the semester, we would like to test whether there are differences in performance
asked by April 
history
Did sharecropping restrict the voting rights of African Americans after 1867?
asked by steve 
Spanish 2
Fill in the blank with the correct form of the present perfect. You do not need capital letters or accents for this. 1.) Los chicos_____hecho la tarea. 2.) Maria ____ ____ (limpiar) 3.) Usted ha ____(ver) la pelicula? 4.) Yo he ____(comer) los tacos. 5.)
asked by Lanie 
social studies
so i have to do a poster on the human characteristics of south america and one of the catagories is goverment systems
asked by katy 
history
i need to build a visual for civil war prisoner of war
asked by nick 
Chemistry
I'm not sure how to answer this question and how to set it up. To what volume should you dilute 90mL of a 10.5M H2SO4 solution to obtain a 1.65M H2SO4 solution?
asked by J.J 
Math
Your school is planning to put an aquarium with 30 fish in it in the main lobby. To accommodate this number of fish, the aquarium should be between 50 and 60 cubic feet of water. To help reduce costs, the surface area of the aquarium should be no more than
asked by Kristen 
Chemistry
A 5.0−L sample of a 5.4M NaCl solution is diluted to 70L . What is the molarity of the diluted solution? How would you set this up and answer it?
asked by AF 
Chemistry
What volume of each solution contains 0.220mol of NaI? a.) 0.142M NaI b.) 0.902M NaI c.) 1.61M NaI
asked by M 
Math
rewrite the following fractions as 1: 8/8, 8/9, 2/2, 4/5, 6/9
asked by Uel 
math
A line segment is drawn from (8,6)to (0,0).What are the coordinates of the midpoint? a. 16,12 b. 8,0 c. 0,3 d. 4,3 e. 3,4 please answer and explain
asked by thomas 
math
If A=2/3B,B=2/3C,and C=2/3D,what part of D is B? a. 8/27 b. 4/9 c. 2/3 d. 75 e. 4/3 please answer and explain
asked by thomas 
history
How did the wartime economies of the North and South compare?
asked by steve 
chemistry
what will be the pressure of 0.010m of oxygen gas in a 4.5L flask at a temperature of 10,000C?
asked by Anonymous 
Chemistry
Calculate the grams of NaNO3 required to produce 5L of oxygen at STP if the percent yield of the reaction is 78.4%?
asked by Harry 
math
A candy dealer makes up a mixture of 3 parts of candy costing him 60 cents a pound with 2 parts of candy costing him 70 cents a pound, and 2 parts of candy costing him 50 cents a pound.At what price per pound should he sell this mixture to make a profit of
asked by thomas 
trigonometry
A man 1.8 metre tall observes the angle of elevation of a tree to be 20 degrees, if he is standing 16 metres from the tree. Find the height of the tree.
asked by curt james 
Math (6)
The formula below gives the surface area S of a human body (in square meters) in terms of its weight W (in kilograms) and its height H (in centimeters). S = 0.007184(W^0.425)(H^0.725) Compute SW and SH when W = 100 kg and H = 180 cm. SW = ? SH = ? NOTE: I
asked by Mia 
math (5)
The monthly profit (in dollars) of Bond and Barker Department Store depends on the level of inventory x (in thousands of dollars) and the floor space y (in thousands of square feet) available for display of the merchandise, as given by the equation below.
asked by Mia 
economics (4)
Assume that the following data describe the condition of the banking system: Total reserves $200 billion Transactions deposits $800 billion Cash held by public $400 billion Reserve requirement 0.20 By how much could the banks increase their lending
asked by Mia 
economics (7)
Assume that a $1,000 bond issued in 2012 pays $100 in interest each year. What is the current yield on the bond if it can be purchased for Instructions: Enter your responses as a percent rounded to one decimal place. (a) $1,200? Yield on $1,200 bond is =
asked by Mia 
math
in lucys bead collection 75% of the beads where red 12% are blue the rest are green she has 104 green beads how many are blue beads
asked by mackenzie 
math (check answer plz)
Types........ Adults Children Total Chocolate Chip 5 10 Peanut Butter 8 6 Oatmeal 7 4  What percentage of the children chose
asked by me 
physics
A moving object has a kinetic energy of 147 J and a momentum of 22.3 kg·m/s. a) Find the speed of the object. Answer in units of m/s
asked by rachel 
science Notes?
What does the term adaptation mean? How does adaptation explain the patterns of distribution of plant and animal species in the world? how matter moves through the biosphere. State how energy moves through the biosphere.
asked by Anoymous 
chemistry
For which salt, K2SO4, Li2SO4, KClO4, or NH4Cl, will increasing the temperature of the water have the greatest change in solubility per 100 g solvent?
asked by Anonymous 
math
You have a nickel, a dime, a quarter and a half dollar. A clerk shows you several items, each a different price, any one of which you could buy with your coins without receiving change. What is the largest number of articles he could have shown you? a. 8
asked by thomas 
Fifth grade math
Ellison's Jewlers displays charms for bracelets in trays that hold 36 charms each the store has 637 charms to put on display in 5 display cases. How many charms are left after the trays are filled ?
asked by Ariyanna Hines 
Calculus
Consider the differential equation dy/dx=xyy. Find d^2y/dx^2 in terms of x and y. Describe the region in the xy plane in which all solutions curves to the differential equation are concave down.
asked by Michelle 
history
Who as the last American Indian to surrender to the US government?
asked by steve 
science
Discuss the relationship between the size and weight of an object and the amount of friction that is present. Sports such as soccer involving running, stopping, jumping, and kicking. Discuss how friction helps players. Please help, I am stuck and confused.
asked by rian 
phys
A disk with a rotational inertia of 2.0 kg.m^2 and a radius of 0.40 m rotates on a frictionless fixed axis perpendicular to the disk faces and through its center. A force of 5.0 N is applied tangentially to the rim. The angular acceleration of the disk is:
asked by jay 
physics
If the end of the ruler of length 1 m is raised by 25 cm, the wooden bar is sliding down at the constant speed. What is the acceleration of the bar if the height of the end is increased twice
asked by aslam 
Chemistry is this correct?
50.0 ml of .30 KOH are required to titrate 60.0 ml of H2SO4. What is the M of the H2SO4? Is .13 correct?
asked by Anonymous 
science
Discuss the relationship between the size and weight of an object and the amount of friction that is present. Sports such as soccer involving running, stopping, jumping, and kicking. Discuss how friction helps players. Please help, I am stuck and confused.
asked by Anonymous 
Math
Solve by elimination: 5x+7y=77 , 5x+3y=53 can you please help me out step by step so I can understand it on my own, thanks.
asked by Alex 
questions
Hi i have a question about air pollution that comes out of cars?!?! where does it come from? is it the smoke coming out the back of the car?!?!? where !?!
asked by matt 
Math
Can you please help me with this one!! Solve by elimination, 3x+6y=6, 2x3y=9
asked by Alex