# Posts by Joy

Total # Posts: 771

**Physics**

A piece of copper ball of mass 20g at 200°c is placed in a copper calomiter of mass 60g containing 50g of water at 30°c ignoring heat losses.calculate the final steady temperature of the mixture

**math**

A student starts from A and walks 3km east to B, she then walk 5km on a bearing 152 degree from 13 . She reaches a point c . Find the distance and bearing of C from A.

**Social Studies**

What is the importance of modern businesses to Georgia? Choose 2. A) They provide jobs. * B) They are always found in shopping centers. C) They drive Georgia's economy.* D) They are always in retail. I chose A & C.

**Social studies**

thg is wrong here are the right answers i just took the test. B C D D C B C B C i swear to god these are the right answers i took the test and i got the wrong answers because i used THGs answers so i figured id help some kids out and give them the right answers.

**Science **

describe what happens, at the molecular level, during melting.

**math**

The ratio of girls to boys in a school is 5:3. If there 60 boys, how many girls are in the school? I guessed it is 5+3=8.8/60

**Maths**

There are m boys and 12 girls in a class what is the probability of selecting of random 1 a girl 2 a boy from class

**Statistics**

Ive downloaded 3 journal articles, i just neeed someone to help me identify the ststistical procedures used in each articles Can somebody who knows ststistics plesse help me... How do u want to read theses 3 short journsl articles? Plesse i beg u

**PSYDAG Statistics ( no computation)--help please**

Hi first what are statistical tools? What are statistical procedures? can you give an example of each and a brief definition? next Our assignment is to look for 3 very short/short (as much as possible please)journal articles about psychology or anthropology or social ...

**Microbes and Society**

What subj is this? One is that they broke the rules theyve imposed--the guards beating the so played prisoners

**writing**

Pss... psss..... U know just imagine how a butter makes sound

**American History**

If The British Government Could Do It Over Again The British governing policy of salutary neglect gave the young colonial governments a chance to "experiment" with their own self-governance. Gaining confidence in their abilities to rule the people without the British...

**Social Studies**

What was the purpose of the Freedman's Bureau?

**PHYSIC**

A bullet is fired in a horizontal direction with a muzzle velocity of 300m\s in the absence of air resistance,how far will it have dropped in travelling a horizontal distance of (a)20m (b)40m (c)60m (d)how far will it drop in one second

**English**

NONE IS POLITE

**maths**

An ap has 15th and a common difference of -3 find the first and last term. If it. Sum is -120

**Word problems**

I have some money, I spend half at the bookshop, a quarter at the supermarket and an eighth on sweets. I have £3.25 left.how much did I have to start with

**physics**

a simple pendulum has a period of 2.0s and an amplitude of swing 5.0cm.calculate the maximum magnitude of the acceleration of the bob

**physics**

he a body is moving in a circular track of radius 100m with a velocity 120m/s.determine the banking angle of the track (g=9.8m/s)

**math**

brad can bicycle at a rate of 35km/h. What is his speed in meters per second?

**math**

two students are picked at random from a group of 8 girls and 6 boys,calculate the probability that the two picked atleast one is a boy.

**social studies**

The answers are : 1 C 2 D 3 D 4 A I just did assessment and got a 100%.

**math**

booby cut a piece of wood into 3 pieces of the same length. after he cuts off 2 feet from one of the pieces, he is left with piece that is 5 feet long. what is the length of the piece of wood he started with?

**math**

What is the place value of 5 in the smallest possible nine digit number without repeating?

**Math**

I am a a seven-digit number my millions place is 5. My ten thousands and hundreds place is the difference between my millions place and hundreds place . And my remaining place value is 0 what number am l ?

**Marketing**

Preparating ground for new product

**Math**

A paper cone has a base diameter of 8cm and a height of 3cm(a) use Pythagoras theorem to calculate it's slant height (b)if the cone is cut and opened out into the sector of a circle what is the angel of the sector

**Social studies**

1) A,B,C 2) A, D 3) A, B, D I promise these are 100% correct. I just did the assessment.

**math**

P1*V1 = P2*V2 P2 =( 36*84)/216 P2= 14 Pa

**SCIENCE**

A BOX HAS A BASE SURFACE AREA OF25cm2 AND THE WEIGHT OF 100N.CALCULATE THE PRESSURE IT EXERTS ON THE GROUND.

**Public policy**

. Which of the following is among the impediments to government action on health care? (Points : 1) Frequency of divided government and the resulting decentralization of the legislative process Magnitude of disagreement between citizens and the insurance industry Ideological ...

**life orientation**

I want answers

**physics**

THAT I DON'T I NEED THE SAME ANSWER

**Solid Mensuration**

The diagram is formed from 6 identical closed-packed circles. If the height of the figure is 2 feet, find the radius of each circle in inches. Show your complete solution with formula.

**Solid Mensuration**

Include your complete solution please.

**Solid Mensuration**

The diagram is formed from 6 identical closed -packed circles. If the height of the figure is 2 feet, find the radius of each circle in inches.

**Solid Mensuration**

one diagonal of a cyclic quadrilateral coincides with a diameter of a circle whose area is 36pi cm^2. If the other diagonal which measures 8cm meets the first diagonal at right angles, find the area of quadrilateral. Show your solutions

**Life orientation**

Can u plz stop writing nonsense nd answer wat is required

**lambton**

A rotating flywheel of diameter 48.0 cm uniformly accelerates from rest to 240 rad/s in 15.0 s. Find the linear velocity of a point on the rim of the wheel after 15.0 s. Round answer to one decimal place.

**History**

1) D 2) B,C 3) B 4) C,D These are 100% correct for Connexus Unit 4, Lesson 2.

**Social studies**

Correct answers for U3L9: 1) D 2) B,C,D 3) B,C,D 4) C 5) D

**socialstudies**

1) D 2) D 3) A 4) D 5) B 6) A 7) B 8) B 9) D 10)A 11)C 12)B 13)B 14)B 15)D 16)D 17)B 18)B 19)C 20)D 21)D 22)C 23)C 24)A 25)B 26)A 27)A 28)B 29)D 30)C 31)D 32)B 33)A 34)B 35)C 36)C These answers are 100% correct for Unit 1 test. I just took the test.

**SCIENCE**

A MACHINE OF EFFICIENCY 60% IS USED TO RAISE A LOAD OF 150kg THROUGH A VERTICAL DISTANCE OF 2.5m.CALCULATE THE WORK DONE [IN JOULES]. I tried E=WORK OUTUT/WORK INPUT times 100% 60=150 times 10 times 2.5/work input times 100 60 times work input=3750 times 100 work input=375000/...

**math**

serenity is 13 years old than chase. the sum of their ages is 27. how old are they?

**Social studies**

1) A&B 2) D 3) B 4) B 5) true 6) B 7) A I just took the quiz & these are 100% correct.

**trigonometry**

one leg of the right triangle is 10 cm and the hypotenuse is 20 cm longer than the other leg.Find the lenght of the unknown sides.

**Algebra 1**

my test was a little different but thank you for the answers!

**French**

Is it ok to say ils sont des freres ? Or ils sont freres. Thank you

**Social Studies**

1) A 2) B 3) D 4) A,D These answers are 100% correct.

**Social Studies**

These answers are 100% correct: 1) A 2) C 3) A 4) B 5) B,D 6) A 7) A,C,D

**Intellectual Academy**

Pls show me the steps how to work this physics question:A pulley system of 4 pulleys is used to raise a loan of mass 50kg vertically,if its effeciency is 80%,determine the minimum effort required to raise the load(g=10ms-2)?

**MATH**

2145

**joint heirs college, Fola agoro, shomolu Lagos.**

chemistry

**math**

A construction crew has just finished building a road. The road is 10 kilometers long. If the crew worked for 4 2/3 days, how many kilometers of road did they build each day? (Assume they built the same amount each day.) Write your answer as a mixed number in simplest form.

**Integrity**

What is Physics

**biochemistry**

You have 325 mL of an 0.11 M acetic acid solution. What volume (V) of 2.00 M NaOH solution must you add in order to prepare an acetate buffer of pH = 5.07? (The pKa of acetic acid is 4.76.)

**Lccn acardamy**

What are the deffrance between mecury, alchol, water?

**Reading**

1D 2B 3B 4D 5C 6B 7B

**Math**

Two marbles are sitting side by side in a glass container. The base of the container is 10 units long and the radius of the smaller marble is 2 units. What is the radius of the larger marble? Describe the strategy you are going to use to answer the question.

**math 4**

(1/8)

**English**

I think the answer is D

**Georgia Studies**

Thanks anonomys!

**sociology**

What is anomie and its connection to norms?

**Sociology**

Why does morality have little part to play in your Judging of deviance?

**4th Grade**

240

**chemistry**

hi, need help.. use the atomic weight of carbon and chlorine to determine the theoretical value of the molecular weight of CH3OH(I've calculate the average mr of CH3OH -->0.39g/mol).(atomic weight: c= 12.0, cl= 35.5)

**Language Arts**

Thanks ladykiller! You are 100% correct. Others didn't even have 5 answers.

**Physical science**

which liquid evaporates fastest between water , ethanol , nail polish remover and methylated spirits

**math**

The equation of a certain line, when written in general form, is 5x+3y+7=0 . The slope of the line is m , the y-intercept of the line is b , and x-interept of the line is x1 . what is the Value of m*b*x1 ?

**math - URGENT**

How to get -79 ?

**math - URGENT**

I'm don't understanding how to solve this question: The graph of a line passes through the x-intercept of y-20=2/11(x-31) and is perpendicular to the line y=1/7x+7 . The equation of the line, written in Slope-Point form, is y-p = m(x-q). what is the value of m*q ?

**MATH!!!**

What is the equation for the line that passes through W(-10,-9) and is parallel to y=5/32x-10 ? Thank you....

**Social Studies**

1)C 2)A 3)C 4)B 5)C 6)C 7)A 8)C 9)C 10)D I just took the quiz and these are 100% correct!

**maths**

17/35

**Science**

1) A 2) B 3) C 4) C 5) B 6) B 7) D 8) C These are 100% correct I just took the practice.

**math**

ABC is a triangle inscribed in a circle centre O..angle ACB =40¡ã and line And =xcm.calculate the radius of the circle.

**social studies**

1) D 2) C 3) B 4) A 5) D I got 100% with these answers.

**social studies**

Correct answers are 1)D 2)B 3)B 4)A

**chemistry**

87

**chemistry**

A sample of gas in a balloon has an initial temperature of 9.0∘C and a volume of 1.75×103L . If the temperature changes to 80.∘C , and there is no change of pressure or amount of gas, what is the new volume, V2, of the gas?

**math**

35

**math**

Homework

**Maths**

Yes looking for answer to this.

**penn foster paralegal**

Sally Bright should get sole custody of Chastity

**physics**

an object is 25 cm from a concave mirror whose focal length is 50 cm where will the image be located how wil lthe solution be ?

**college physics 2**

steel train rails are placed end to end with space in between on a day where a temperature is 30 degrees. How much stress will be build if the temperature is increase to 150 degrees .assume that the original is 1.5m

**Math**

Find the intersection of two lines. i have the answer just please tell me how it was made 4x-3y-4=0 , 4x+2y+5=0 -5y/-5 = 9/-5 y= 9/5 4x-3(-9/5)-4=0 5(4x+27/5-4=0) 20x+27-20=0 20x+7=0 20x/20=-7/20 x=-7/20 (-7/20, -9/5

**physics**

what air speed and heading would enable a plane to travel [NE] with a ground speed of 275 km/h if there is a wind blowing at 55 km/h from the south?

**math**

a pottery maker can make 24 vases in 8 days. If the pottery maker works 6 hours each day, how long does it take to make 1 vase. A 2 hours B 3hr C 4hrs D 6 hours

**Math**

How did you get the song

**History**

Our water is actually meteoroids that hit Earth a long time ago.

**History**

How did we get water on earth?

**art**

Who made the painting "Weeping Woman"?

**science(check answers)**

The correct answers are: 1)D 2)A 3)A 4)C 5)False I just took the assessment. These are 100% correct.

**Statistics**

In an experiment, you measure the popularity of two brands of soft drinks (factor A), and for each brand you test males and females (factor B). The following table shows the main effect and cell means from the study: Factor A Level A1: Level A2: Brand X Brand Y Level B1: 14 23...

**Statistics**

A researcher investigated the effect of volume of background noise on participants’accuracy rates while performing a difficult task. He tested three groups of randomly selected students and obtained the following means and sums of squares: Volume Source Sum of sqs. df ...

**Statistics**

Help please... What are some reason for conducting an experiment with two factors?

**science**

find the empirical formula for a compound that consists of aluminum and chlorine in which the aluminum is 20.2% by mass

**statistics**

Conduct an ANOVA comparing participants recall will vary as a function of stress levels. Conduct an ANOVA comparing participants recall at Time 1 across all three stress level conditions (low, medium,and high). Conduct post hoc tests if needed, using the Tukey method.

**statistics**

Conduct an ANOVA comparing participants recall will vary as a function of stress levels. Conduct an ANOVA comparing participants recall at Time 1 across all three stress level conditions (low, medium, and high). Coduct post hoc tests if needed, using the Tukey method.Write a ...