# Posts by ANONYMOUS

Total # Posts: 107,987

**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...

**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.

**Language Arts**

Thank you!!!

**Math**

You can only use each digit once

**commercial law**

Discuss the res perit domino rule in a contract of sale.

**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

**chem 111**

state fist ionization energy of calcium high than pottatium

**Social studies**

Would the answer be B?

**Chemistry**

Write the symbols of the ions 26protons 23electrons

**Chemistry**

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

**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

**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?

**ELA**

He can do things when he puts he mind to it, He doesn't like to do things because it is a waste of time, and you can find the third one, I've helped you with two of them.

**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 ...

**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

**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

**Pre calculus **

Write a polynomial function given the zeroes: 11i and -11i

**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?

**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 ...

**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?

**math - consumer arithmetic**

I got the answer, don't worry!

**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?

**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

**Science**

Would the last one be A

**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 ...

**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...

**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

**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.

**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.

**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 ...

**Math**

1/2 or 50%

**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?

**Math**

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

**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?

**Social Studies**

Embershy, Alyssa, what were the answers?

**Math**

B

**Math**

B or D

**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...

**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 ...

**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...

**math**

find 4 numbers that 5 divide into equaly

**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...

**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...

**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.

**Math PLEASE HELP!**

1. 7(10)+2=72 c 2. idk

**Physics **

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

**Algebra 1**

x^3-8

**math**

it will never compound if it is compounded annually for 37 weeks because 37 weeks is less than a year

**Math**

2/6 cuz 6/6-1/6-3/6-2/6

**Chem**

How does water's shape make it a good solvent

**Math1**

P=6438 P=4% is correct

**Math1**

Total money= StartMoney(1+intrest)^#OfPayments

**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

**Algebra**

is proven by reflexive property . P.S. this is not algebra its trigonometry

**Math - Rate Of Change**

What does it take to win a tug of war? PUNCHLINE • Algebra • Book A 2006 March Mathworks

**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

**Math**

no, the ball costs $5 and the bat costs $105

**Social Studies**

less

**Social Studies**

I goh

**Social Studies**

It was D

**Social Studies**

Thank you

**Social Studies**

Or D

**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???

**Physics **

Find the centripetal acceleration of a car that rounds an 80 m radius curve at 10 m/s.

**math real and complex numbers lesson**

(7,-9)+(3,5)

**Science**

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

**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 ...

**Math**

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

**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.)

**Science**

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

**History**

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

**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

**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 ...

**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?

**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 ...

**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?

**Maths**

1^=1 2^=8 3^=27 4^=64 4/100 =1/25

**Maths**

By picking a natural number randomly up-to 100.find the probability of the number being a perfect cube?

**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.

**math**

Given suitable examples of sets A,B,C,show that: A?B=A?C, B?C A?B=A?C, B?C

**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.

**Math**

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

**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.

**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?

**Trig**

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

**Social Studies**

I just rechecked and all the correct answers are C,D,A

**Social Studies**

Thank you very much Ms. Sue for responding :)!! Are the whole answers 1. A 2. D 3. A ?

**Social Studies**

Is 3. A and 1. B?

**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. ...

**math**

Geo uaually drinks 36 ounces of water per day. He read that he should drink 64 ounces of water per day. If he starts drinking 64 ounces, what is the percent increase? Round to the nearest percent.

**Math**

Find the equation of the ellipse having axes along the coordinate axes and passing through the points (4 ,3), (-1,4).

**Math**

Determine the value of a and b, so that the points (a , b, 3 ) , (2 ,0,-1), (1 , -1 ,3) are collinear.

**science**

A gas sample has a volume of 150ml when the pressure is 175kPa. If the temperature and amount of gas remains constant, what volume will the gas sample occupy at a pressure of 120 kPa

**Physics/Mechanics**

A particle A of mass 150g lies at rest on a smooth horizontal surface. A second particle B of mass 100g is projected along the surface with a speed of u m/s and collides directly with A. On collision the masses coalesce and moves on with a speed of 4 m.s . find the value of u ...

**MATHEMATICS**

at a farmers market you buy 4 lbs of tomatoes and 2 lbs. of sweet potatoes.