# 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 **

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 Ã‚Â°C Hvap(34.6 Ã‚Â°C) = 26.5 kJ/mol specific heat liquid = 2.32 J/gÃ‚Â°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 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*