Wednesday
March 29, 2017

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Posts by Anonymous

Total # Posts: 106,883

Maths
The sum of money that will produce ?1770 as simple interest in 7.5 year as 8% at per annum is how much?
March 29, 2017

Maths
The sum of money that will produce ?1770 as simple interest in 7.5 year as 8% at per annum is how much
March 29, 2017

Maths
The sum of money that will produce ₹1770 as simple interest in 7.5 year as 8% at per annum is how much
March 29, 2017

chemistry
metals with 8-hydroxyquinoline, C9H7NO. After weighing the mixed precipitate, the precipitate is dissolved and the amount of 8-hydroxyquinoline determined by another method. In a typical analysis, a 127.3 mg sample of an alloy containing iron, manganese, and other metals was ...
March 29, 2017

Math - Mean Value Theorem
Suppose f(x)=?x^2+?x+? is a general quadratic polynomial with ??0 and let [a,b] be any interval. According to the Mean Value Theorem there is at least one number c such that f(b)?f(a)=f?(c)(b?a). In this particular case the number c is unique and it's independent of the ...
March 29, 2017

hi
Fourteen soccer players want to share nine protein bars after the game. What fraction of a protein bar will each player get?
March 28, 2017

Math - calculus
Suppose f(x)=x^p where p>1 and [a,b]=[0,1]. According to the Mean Value Theorem there is at least one number c such that f(b)?f(a)=f?(c)(b?a). In this particular case the number c is unique but it depends on p. c=____ Your answer will be in terms of p.
March 28, 2017

chemistry
What type of chemical reaction is this equation? CuO (s) + [2H+ + SO4 2-](aq) [Cu2+ + SO4 2-] (aq) + H2O (l)
March 28, 2017

History
What weapon/technology would be the most beneficial during WW1? Trench warfare, machine guns, field guns, rifles, poison gas, flame thrower, aircraft, tanks, U-boats, or battleships? I'm not sure but I eliminated trench warfare, flame throwers, aircraft, tanks, and u-boats
March 28, 2017

Physics
Using Coulomb's law to solve: Charge A is +2.0x10^-6C and charge B is +3.0x10^-6C. The two changes are 3 m apart. What is the force between them?Is the force attractive or repulsive? Okay so here's what I have so far (2.0x10^-6)(3.0x10^-6)/(3)^2 It is confusing me with...
March 28, 2017

bio
I think A,B, and D but I'm not 100% sure
March 28, 2017

Designing Specialty Areas
Oh now i get it. So A is the answer. sorry
March 28, 2017

Designing Specialty Areas
In my opionion, it would be the answer B because its much more useful and fun for kids (and other people) , I guess.A wooden playground structure with swings and slides is a perfect idea.
March 28, 2017

math
Oh thanks, Ms. Sue!
March 28, 2017

math
I get it now and thanks. But, one more question, how do you get 13.5? I see that my answer is wrong but I just wanted to make sure how to get 13.5. Thanks once again!
March 28, 2017

math
what is -3.5 + 17? The online calculator says 13.5 and I don't get how that is the answer. I got 14.5 and I am confused. Please help me and explain this to me
March 28, 2017

math - algebra
write (1/81)^(1/4) in radical form
March 28, 2017

Algebra
An amplifier has a 50 watt output and a 5 watt input. What is the gain in decibels for this amplifier, rounded to the nearest decibel?
March 28, 2017

Math
I really suck at math 1. B 2. A 3. C 4. A
March 28, 2017

math
240 people attended a concert.tickets for adults were R60 and for children R40. The concert raied R12800. How many adults and how many children attended???
March 28, 2017

physics help
At a playground, a 20-kg child sits on a spinning merry-go-round, as shown from above in (Figure 1) . The merry-go-round completes one revolution every 6.2 s, and the child sits at a radius of r=1.8m. a) What is the force of static friction acting on the child? b) What is the ...
March 28, 2017

Math
Anna is buying 2/5 of a pound of beans for dinner . Mercy is buying 7/4the amount of beans that Anna is buying how many pounds of beans is mercy buying
March 28, 2017

Precalculus
List the transformations that take g(x)=1/x to f(x)=3x-4/x+2. Is it 1. reflection across y axis? 2. translate left 2 units? 3. translate up 3 units? 4. vertically stretch by a factor of 10?
March 27, 2017

College
Oh so it just depends on the college? It isnt a requirement in general to take another language class?
March 27, 2017

College
I have a genuine question.. I have taken 3 years of Spanish in high school, but when I go into college, do I need to take another language class for my prerequisite, or do I not have to take any more language classes?
March 27, 2017

Algebra
How do I simplify (x+1)(x(-4-5i))(x-(4+5i))?
March 27, 2017

Precalculus
What is the quadratic factor of x^4+4x^3-10x^2+8x-24?
March 27, 2017

Precalculus
Simplify (x-4)(x-4)(x+7i)(x-7i)
March 27, 2017

History
according to adolf hitler how has germany been treated unfairly by the treaty of versailles
March 27, 2017

math
Recipe calls for 2 cups flour to 3/4 cup milk. How much milk would I need for 11/4 cups flour?
March 27, 2017

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

Social Studies
i yjihk becuz of caste bad
March 26, 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

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