Monday
March 27, 2017

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Posts by anonymous

Total # Posts: 106,798

physics help
Driving in your car with a constant speed of v= 22 m/s, you encounter a bump in the road that has a circular cross-section, as indicated in the figure. If the radius of curvature of the bump is 52 m, find the apparent weight of a 66-kg person in your car as you pass over the ...
March 27, 2017

calculus
A farmer wants to construct a fence around a rectangular field. Sides with neighbours need reinforced fencing that costs $8 per meter. The other sides use regular fencing that costs $4 per meter. Assuming the farmer has neighbours on the east and west sides, answer the ...
March 27, 2017

Payroll accounting
Julie Whiteweiler made $930 this week. Only social security (fully taxable) and federal income taxes attach to her pay. Whiteweiler contributes $100 each week to her company's 401(k) plan and has $25 put into her health savings account (nonqualified) each week. Her ...
March 27, 2017

Math
I don't get this: Arya makes cupcakes at a bakery. She needs 2 cups of sugar for every 3 cups of flour. She needs 5 cups of flour to make a day's worth of cupcakes. How many cups of sugar will she need? (Round your answer to the nearest tenth.) Can you please help?
March 27, 2017

History
which of the following are outcomes of expanding public education in the early 20th century?
March 27, 2017

Precalculus
Find a polynomial with real coefficients that has the given zeros. -1 and 4-5i
March 26, 2017

Precalculus
write a polynomial function in standard form with real coefficients whose zeros include 4, 7i, and -7i
March 26, 2017

math 1
On moodle its a video.
March 26, 2017

math
A company is making detergent out of soap and water. They made one batch that has 30% soap and another batch which is 60% soap. If they mix 600 liters of the first batch with 300 liters of the second batch, what percent of soap will be in the detergent?
March 26, 2017

Precalculus
There is at least one polynomial with real functions with 9+i as its only nonreal zero. A. The statement is? false, because the Fundamental Theorem of Algebra dictates that there must be n complex zeros for a polynomial of degree n.?? B.The statement is true. If 9 plus i9+i is...
March 26, 2017

Precalculus
Which of the following cannot be the number of nonreal zeros of a polynomial of degree 5 with real? coefficients? A. 2 B. 0 C. 3 D. 4 E. None of the above
March 26, 2017

Precalculus
Write a polynomial function of minimum degree in standard form with real coefficients whose zeros and their multiplicities include those listed. 3(multiplicity 2), 5+i(multiplicity 1)
March 26, 2017

Precalculus
Write a polynomial function of minimum degree in standard form with real coefficients whose zeros and their multiplicities include those listed. 2(multiplicity 2), -4(multiplicity 3)
March 26, 2017

Fraction
henry is 1/3 his father's age and 1/4 his mother's age.their total age is 96 years.how old is henry's mother?
March 26, 2017

physics
A block of mass m = 3.53 kg is attached to a spring which is resting on a horizontal frictionless table. The block is pushed into the spring, compressing it by 5.00 m, and is then released from rest. The spring begins to push the block back toward the equilibrium position at x...
March 25, 2017

Chemistry-Urgent
Use Charles' Law: (V1/T1) = (V2/T2) Make sure to convert your temperatures from Celsius to Kelvin. (°C + 273) (.67/61 +273) = (1.12/T2) Then go back from Kelvin to Celsius for your final answer.
March 25, 2017

Math
You can only use each digit once
March 25, 2017

commercial law
Discuss the res perit domino rule in a contract of sale.
March 25, 2017

math
the distance between two towns A and B is 150 kilometers. This distance is represented on a map by a length of 300 millimeters. If the scale of this map is in the form of 1:a, find the value of a
March 25, 2017

chem 111
state fist ionization energy of calcium high than pottatium
March 25, 2017

Chemistry
Write the symbols of the ions 26protons 23electrons
March 24, 2017

Chemistry
Write the balanced chemical reaction (showing appropriate symbols and states) for the chemical reaction with enthalpy change equal to ?Hf° [NH3(g)]
March 24, 2017

Math
A book is in the shape of a right rectangular prism. It measures 812 in. tall, 7 in. wide, and 212 in. thick. What is the volume of the book? 4712 in³ 8012 in³ 14834 in³ 17912 in³
March 24, 2017

Chemistry
The enthalpy of combustion of benzoic acid (C6H5CO2H) is -3228 kJ/mol. The burning of 1.698 g of benzoic acid in a calorimeter causes the temperature to increase by 2.865°C. What is the heat capacity (in kJ/°C) of the calorimeter?
March 24, 2017

math
suppose the tiger cup soccer tournament, 8 teams qualify for the final around. if the organizers adopt a single-elimination method for the final round, i.e, winners play against winners until only team is left. what is the total number of games played and how many games ...
March 24, 2017

English
the best reason for milo to rescue rhyme and reason is so that A. milo will pass this test and become a hero. B.the demons will be defeated once and for all C.Azaz and the mathemagician will be happy D.the princesses will restore peace and order
March 24, 2017

Science
Studies conducted in England during the Industrial Revolution have shown that children born to poor families were, on average, shorter than those born to wealthier parents. The most likely explanation for this difference in height is a difference in
March 24, 2017

Pre calculus
?
March 24, 2017

Pre calculus
Write a polynomial function given the zeroes: 11i and -11i
March 24, 2017

English
the first thing to do is to remember that "media" is the plural of "medium," so it should say Social media are used ... so, what have you studied about theories and forms of communication?
March 24, 2017

consumer math
Adam has created a register for the bank account he opened on April 16th. Unfortunately, Adam has made a mistake and cannot figure out where he went wrong. Use the transaction descriptions below to determine where his error is. The account was opened on April 16 with a tax ...
March 24, 2017

math-consumer arithmentic
(second question of 2 that i need help with) A $25000 loan is repaid over 8 years with monthly instalments of $391. What was the interest rage (p.a.) changed on the loan?
March 24, 2017

math - consumer arithmetic
I got the answer, don't worry!
March 24, 2017

math - consumer arithmetic
Joe and Wendy bought a house costing $210000. They paid a 35% deposit and borrowed the remainder at a flat interest rate of 7.75% p.a. payable over 25 years. What is the amount of their total monthly instalment?
March 24, 2017

MAth help connexus
every function pairs __________ output value with one input value A more than one b at least one c exactly one. PLz help
March 24, 2017

Science
Would the last one be A
March 24, 2017

Science
Which of the following can be used to explain why fossils of the same kinds of organisms can be found in different regions of the world? biogeography adaptation continental drift dispersal** Which piece of children’s’ playground equipment could be used to model and ...
March 24, 2017

math - trigonometry
A bushwalking party leave P and walk on a bearing of 335(degrees) for 11.4km until they reach Q. From Q they walk on a bearing of 65(degrees) for 18.7km at which point they arrive at R. a) What is the distance between R and P to 3 sig. figs.? b) What is the bearing of R from P...
March 24, 2017

Fundamentals Of Math
A plumber would like to cut a pipe 60 cm long into two piece. One piece is 10 cm longer than the other. Find the length of the two piece
March 24, 2017

Physics-Heat
Calculate and compare the temperature changes of copper (specific heat of 0.09c/gC) to glass (Specific heat of 0.20 c/gC) when 535 g of each substance are given 1,500c of thermal energy.
March 24, 2017

Chemistry
A sample of sand initially at 22.3°C absorbs 1.34 x 10^3 J of heat. The final temperature of sand is 67.8 °C. What is the (in g) of sand in the sample? Round to the nearest whole number.
March 24, 2017

chemistry
The following information is given for ether, C2H5OC2H5, at 1atm: boiling point = 34.6 °C Hvap(34.6 °C) = 26.5 kJ/mol specific heat liquid = 2.32 J/g°C At a pressure of 1 atm,__kJ of heat are needed to ...
March 24, 2017

Math
1/2 or 50%
March 23, 2017

Math
Sharon runs on a trail that is 8 1/2 miles long. She ran 1/3 of the trail and walked the rest of the way. How far did she run?
March 23, 2017

Math
(x,y)-> (x-4,y+1);(-1,0) Is that the answer? @Steve
March 23, 2017

Math
The point C(-3,1) is translated to the left 4 units and up 1 unit. Write the rule for this translation. What are the coordinates? (x,y)-> (x+4,y+1);(7,-2) That is my answer. Am I right?
March 23, 2017

Social Studies
Embershy, Alyssa, what were the answers?
March 23, 2017

Math
B
March 23, 2017

Math
B or D
March 23, 2017

Math
A sports reportor said that 2 out of every 3 people at a home town base ball game named baseball vs their favorite sport the reporter claimed that baseball was the mostpopular sport in town which of th following explains why the reporters might not be true A only sixty percent...
March 23, 2017

science
Sodium nitrite is prepared by a reaction of sodium nitrate and carbon: NaNO3 + C ? NaNO2 + CO2 Calculate the masses of reactants needed for the preparation of 10 g of NaNO2. Carbon is used in 10% excess. The atomic/molecular masses are: NaNO2= 69.0 g/mol , NaNO3=85.0 g/mol ...
March 23, 2017

Physics
Two point charges that have charge values of 4.0 X 10^-6 C and -8.0 X 10^-6 C, respectively, are separated by 2.4 X 10^-2 m. What is the mutual force between them, given that kC = 8.99 X 10^9 Nm^2/C^2? I got the Felectric as -5.0 X 10^2 N, but I'm not sure if that value is...
March 23, 2017

math
find 4 numbers that 5 divide into equaly
March 23, 2017

Math
WHICH KIND OF FUNCTION BEST MODELS DATA IN THE TABLE 0 -1,1 -0.5, 2 0, 3 0.5,4 1 I'm thinking quadratic because they are constant 0 1.7,1 6.8,2,27.2,3 108.8, 4 435.2 total confused here the x = 1 but the y's have no real sequence linear no quadratic no exponential don...
March 23, 2017

Statistics
A person has money worries and decides to invest in the computer industry. They want to know how the value will change over time. They used an exponetial regression model where the predictor is time in months and the response var is money measure in thousands of dollars. Alpha...
March 22, 2017

Chemistry
A 32.3 g iron rod, initially at 22.4 ?C, is submerged into an unknown mass of water at 62.9 ?C, in an insulated container. The final temperature of the mixture upon reaching thermal equilibrium is 59.4 ?C.
March 22, 2017

Math PLEASE HELP!
1. 7(10)+2=72 c 2. idk
March 22, 2017

Physics
Let F1=10i-15j-20k,F2=6i+8j-12k. Find their dot product and the angle between those two vectors
March 22, 2017

Algebra 1
x^3-8
March 22, 2017

math
it will never compound if it is compounded annually for 37 weeks because 37 weeks is less than a year
March 22, 2017

algebra 6th gr
3
March 22, 2017

Math
2/6 cuz 6/6-1/6-3/6-2/6
March 22, 2017

Chem
How does water's shape make it a good solvent
March 22, 2017

Math1
P=6438 P=4% is correct
March 22, 2017

Math1
Total money= StartMoney(1+intrest)^#OfPayments
March 22, 2017

Ethics
Is there an ethical right to health care? If so, what are the practical consequences of concluding that this ethical right exists? I believe so but not too sure
March 22, 2017

Algebra
is proven by reflexive property . P.S. this is not algebra its trigonometry
March 22, 2017

Math - Rate Of Change
What does it take to win a tug of war? PUNCHLINE • Algebra • Book A 2006 March Mathworks
March 22, 2017

la
which of the following is considered plagiarism A. adding footnotes B.presenting your own opinion C.including a works cited page D.directly quoting without providing the source
March 22, 2017

Math
no, the ball costs $5 and the bat costs $105
March 22, 2017

Social Studies
It was D
March 22, 2017

Social Studies
Thank you
March 22, 2017

Social Studies
Or D
March 22, 2017

Social Studies
Which of the following events led to the Korean War? A. the invasion of Japan into Korea B. the sending of UN forces into Korea to assist South Korea C. the formation of the Demilitarized Zone D. the division of Korea between the Soviets and Americans I think B???
March 22, 2017

Physics
Find the centripetal acceleration of a car that rounds an 80 m radius curve at 10 m/s.
March 22, 2017

math real and complex numbers lesson
(7,-9)+(3,5)
March 22, 2017

Science
Two students discover that 500g of water occupies a volume of 50mL. Is this result correct? Explain your answer.
March 22, 2017

Math
You can register a pickup truck as a passenger vehicle if the truck is not used for commercial purposes and the weight of the truck with its contents does not exceed 8500 pounds. Your pickup truck weighs 4200 pounds. Write an inequality to represent the numer of pounds your ...
March 22, 2017

Math
If you have 2 balls in your mouth, and 3 men come in. How much balls do you have in your mouth?
March 22, 2017

Calculus - Optomization Problem
The volume of the largest right circular cone that you can inscribe in a sphere of radius r equals _______ (Your answer will be an expression in r.)
March 21, 2017

Science
Two students discover that 500g of water occupies a volume of 50mL. Is this result correct? Explain your answer.
March 21, 2017

History
When the ghetto closed in, what did it mean for the Jew? I dont undestand this question
March 21, 2017

grammar
If I enjoy the cruise, and if I have enough money, I shall buy a yacht on which I shall continue to party until I drop - what kind of sentence is this
March 21, 2017

Calculus
The model for the velocity of a shuttle, from liftoff at t = 0 s until the solid rocket boosters were jettisoned at t = 50.2 s, is given by v(t)=0.001495833t^3?0.089395t^2+18.86t?0.52 (in feet per second). Using this model, estimate the absolute maximum value and absolute ...
March 21, 2017

Math
A fence 3 feet tall runs parallel to a tall building at a distance of 3 feet from the building. What is the length of the shortest ladder that will reach from the ground over the fence to the wall of the building?
March 21, 2017

Maths
There were some people on the bus. At the first stop 19 people got off and 17 people got in. Now there are 63 people inside the bus. How many were there at the start? We have to find THREE ways I found Two : 1) 19-17 = 2 63 + 2 = 65 2). 63 - 17 = 46 46 + 19 = 65 I need help ...
March 21, 2017

geometry
A garden is in the shape of a rectangle 26 feet long and 35 feet wide. If the fencing costs $5 a foot, what will it cost to place fencing around the perimeter of the garden?
March 21, 2017

Maths
1^=1 2^=8 3^=27 4^=64 4/100 =1/25
March 21, 2017

Maths
By picking a natural number randomly up-to 100.find the probability of the number being a perfect cube?
March 21, 2017

math
a bus ride costs $1.50. A 30-day bus pass costs $36. Write an equation to represent the number of bus rides you would need to take for the bus pass to a better deal.
March 21, 2017

math
Given suitable examples of sets A,B,C,show that: A?B=A?C, B?C A?B=A?C, B?C
March 21, 2017

Algebra
The value of a boat is $21,200 It loses 6% of its value every year. Find the approximate monthly percent decrease in value. Round your answer to the nearest hundredth of a percent.
March 20, 2017

Math
A swimming pool holds 27460L of water. How long will it take to fill the pool at a rate of 50L/min?
March 20, 2017

math
You have the numbers 1- 10 in a bag.You draw a slip at random and draw another without replacing the first. Find the probability that both numbers are odd.
March 20, 2017

Math
2/5 of the 40 students in class are girls. 1/4 of the girls wear glasses. How many girls do not wear glasses?
March 20, 2017

Trig
what are the intercepts of the graph of f(x)=4cos^2 -3 on the interval [0, 2pi]?
March 20, 2017

Social Studies
I just rechecked and all the correct answers are C,D,A
March 20, 2017

Social Studies
Thank you very much Ms. Sue for responding :)!! Are the whole answers 1. A 2. D 3. A ?
March 20, 2017

Social Studies
Is 3. A and 1. B?
March 20, 2017

Social Studies
Hi I was just wondering if anyone could check my answers, Thank you!! 1. Unstable government holds back economic development most in a. Namibia b. Botswana c. Somalia d. South Africa*** 2. What was the effect of diversity in Dafur? a. NGOs b. Apartheid c. Nationalism d. ...
March 20, 2017

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