Monday

February 20, 2017
**Physics**

A child throws a small ball vertically upwards. The ball is caught at the initial height 1.8 seconds after being thrown. What was the net displacement for the ball? What was the initial speed of the ball? What was the final speed of the ball? How high did it rise?

*Saturday, September 3, 2016 by Elizabeth*

**Physics**

A ball is thrown straight up at an initial speed of 24 m/s. How long did it take to reach maximum height? How high did it rise before falling again? I am confused on how to attempt this problem. Please provide me with some guidance:)

*Saturday, September 3, 2016 by Elizabeth*

**Math**

The mathematics club in a school has 53 members. 5/7 of the girls members and 3/5 of the boys members are from lower secondary. The total number of lower secondary members is 35. How many members of the club are boys?

*Saturday, September 3, 2016 by Saba*

**Math**

There are 42 pupils in a class. 3/4 of the boys and 2/3 of the girls travel to school by bus. The total number of boys and girls who travel to school by bus is 30. (a) How many boys are there in the class? (b) How many girls travel to school by bus?

*Saturday, September 3, 2016 by Saba*

**Physics**

a ball is dropped from the top on an 80-m high building. what speed does the ball have in falling 3.5 s? I keep getting the answer 34.3m/s but it is counted wrong. I found an answer on Chegg that say 29.4 m/s but I can't figure out how they are getting that answer.

*Friday, September 2, 2016 by Rachel*

**math**

Marium travels a distance of 8 km everday to and from the school.What is the total distance will she travel for 40 days? i need a help please

*Friday, September 2, 2016 by kelvin*

**Biology**

A biology student is studying ways to grow crops in soils that are high in salts and other dissolved solids. To determine whether corn plants can tolerate salty soil conditions, she grows one corn plant in typical non-salty soil and one corn plant in the same soil plus 0.5 ...

*Wednesday, August 31, 2016 by Mellisa B*

**english**

These sentences are from my test in which I answered these sentences incorrectly. So please suggest the right answers to them. 1)Ram said to me,"I go to school daily."(change to indirect speech) 2)He wrote me a letter.(change to passive voice) 3)Who built the Taj?(change to ...

*Wednesday, August 31, 2016 by Diana*

**English**

1. Have you checked out our school website lately? 2. Have you lately checked out our school website? (What is the suitable position of the adverb 'lately'?) 3. Is there something that/which I should see? (Do you prefer 'which' to 'that' in this sentence?) 4. Mina sent me a ...

*Wednesday, August 31, 2016 by rfvv*

**Physics**

A squash ball typically rebounds from a surface with 25% of the speed with which it initially struck the surface. Suppose a squash ball is served in a shallow trajectory, from a height above the floor of 39 cm, at a launch angle of 6.0° above the horizontal, and at a distance...

*Tuesday, August 30, 2016 by Kendall*

**physics**

you are driving home from school steadily at 95 km/h for 180 km. It then begins to rain and you slow down to 65 km/h. You arrive home after driving 4.5 hours. How far is your hometown from school? x=180km + (95km/h)(4.5h) + (1/2)(-30km/h)(4.5h)^2 I calculated 303.75 km, but my...

*Tuesday, August 30, 2016 by Anonymous*

**Biology**

What is the sample size in this experiment? How can you tell what the sample size is in this case? A team of researchers observed that the acorn density of the oak forests in New York fluctuates from year to year and that mice populations in the forest were increased when the ...

*Tuesday, August 30, 2016 by Jamie*

**SS plz help thx i appreciate it**

1. Why does scarcity exist? Producers need scarcity to set prices. Wants are always greater than resources. Economic institutions control most money. No country can make all the goods it needs.*** 2. Which of these is an example of a capital resource? workers*** iron ore ...

*Tuesday, August 30, 2016 by Maria=)*

**Social Studies**

1. Which of the following were advantages of the british in the revolutionary war? select all that apply. A) Knowledge of local geography B) Large quantities of supplies C) a large navy D) efficient communications 2. Which of the following principles is stated in the ...

*Tuesday, August 30, 2016 by YunoGasai*

**English**

1. Being ill, he played football. 2. Although he was ill, he played football. ( #1 is incorrect. #2 is right. We cannot change #2 into #1. Is that right? Where can we find the explanation about that?) 3. Being ill, he couldn't go to school. 4. Because he was ill, he couldn't ...

*Tuesday, August 30, 2016 by rfvv*

**Physics**

A student travels 300m towards North and then 400m towards East to reach his school. Calculate the distance of his school from his home.

*Tuesday, August 30, 2016 by Crystal*

**One more thing!**

Day had broken cold and gray, exceedingly cold and gray, when the man turned aside from the main Yukon trail and climbed the high earth-bank, where a dim and little traveled trail led eastward through the fat spruce timberland. It was a steep bank, and he paused for breath at ...

*Tuesday, August 30, 2016 by Chloe*

**English**

1. Being sick, he didn't go to school. 2. Because he was sick, he didn't go to school. (Can we use both expressions? Are they the same?) 3. Being sick, he went out to play soccer. 4. Though he was sick, he went out to play soccer. (What about these two sentences? Can we use ...

*Monday, August 29, 2016 by rfvv*

**st vermont school**

write they value of the underlined digit 3 in short word form

*Monday, August 29, 2016 by brown*

**Math**

How many buses with the school need if only 40 students can ride on each bus

*Monday, August 29, 2016 by Alejandra*

**Math**

One-fourth of the girls and one-eighth of the boys in a class retake their school pictures. The photographer retakes pictures for 16 girls and 7 boys. How many students are in the class?

*Monday, August 29, 2016 by Mike*

**ALGEBRA**

ON FRIDAY THE TEMPERATURE REACHES A HIGH OF 21 DEGREES ABOVE 0, AND A LOW OF 4 DEGREES BELOW 0. WHAT IS THE DIFFERENCE BETWEEN THE HIGH AND LOW TEMPERATURES FOR FRIDAY?

*Monday, August 29, 2016 by NEENEE*

**career cluster**

Damion wants to be a construction worker right out of high school and then work up to be a site foreman. He eventually wants to go to school and get his general contractor licence. Which statement best describes Damion’s thoughts? These are his goals. These are his values. ...

*Monday, August 29, 2016 by roro*

**math**

Ruth baked a big cake to sell during the school fair. She cut the cake into many equal pieces. She sold two- thirds of the pieces. She gave half of the remaining pieces to her friends. She then had 6 pieces left to bring home. Into how many pieces did she cut the cake?

*Monday, August 29, 2016 by Rose*

**math**

Ruth baked a big cake to sell during the school fair. She sold two-thirds of the pieces. She gave half of the remaining pieces to her friends. She then had 6 pieces left to bring home. Into how many pieces did she cut the cake?

*Monday, August 29, 2016 by Anonymous*

**Calculus**

A statue 5m high is standing on a base 8m high. Is an observer's eye is 2.5 m above the ground, how far should he stand from the base of the statue in order that the angle between his lines of sight to the top and bottom of the statue be a maximum.

*Monday, August 29, 2016 by Natasha*

**physics**

a ball projected vertically upwards from the top of the tower 60 meters high with a velocity of 30 meters per second. what is the maximum height above the ground? how long does it take to reach the ground?

*Sunday, August 28, 2016 by richard*

**Physics**

Initial Statement: A soccer ball is kicked with an initial horizontal velocity of 15 m/s and an initial vertical velocity of 14 m/s. 1) What is the initial speed of the ball? 20.518 2) What is the initial angle θθ of the ball with respect to the ground? 43.025 3) ...

*Sunday, August 28, 2016 by Aidan*

**Math College 115**

According to a 2010 Kaiser Family Foundation report, during 2009 spent almost every waking hour outside of school using electronic devices such as iPhones, computers, or televisions. Those aged 8 to 18 spent an average seven and a half hours a day in 2009 versus six and a half...

*Sunday, August 28, 2016 by Diora*

**Algebra**

45foot ladder is leaning against a building. The base of the ladder is 27 feet from the side of the building. How high does the ladder reach along the side of the building? ladder reaches ___ feet high on the building.

*Saturday, August 27, 2016 by Chasen*

**physics**

a slingshot launches a rock straight upward at 25 m/s, how high does the rock go, how long is it in the air, what is the velocity and the acceleration of the rock at its highest point

*Saturday, August 27, 2016 by scott*

**Math**

A rectangular room is 4 meters wider than its high and it is 8 meters longer than its wide. the total Ares of the wall is 512 square meters. Find the dimensions of the room.

*Saturday, August 27, 2016 by jochabed*

**Math**

The people present at a school function occupy 5/7 of the seats in an auditorium. There are 540 people present. How many seats are there in the auditorium?

*Saturday, August 27, 2016 by Bhavishya*

**Little flowers convent school**

The length of a hall is 18m and width is 13.5. Find the least number of tiles required to cover the floor of wall without leaving any margin and leaving a margin ofor 1.5 all around?

*Saturday, August 27, 2016 by Rama*

**English**

1. This morning, I walked to school, feeling embarrassed. 2. This morning, I walked to school, while I was feeling embarrassed. 3. This morning, I walked to school, while I felt embarrassed. 4. This morning, I walked to school, and I felt embarrassed. 5. This morning, I walked...

*Saturday, August 27, 2016 by rfvv*

**English**

1. She uploaded the pictures on her school website. 2. She uploaded the pictures to her school website. (Which preposition do we have to use, 'on' or 'to'? Are both okay?) 3. Some students posted a lot of unkind comments, making fun of my pose. 4. Some students posted a lot of...

*Saturday, August 27, 2016 by rfvv*

**Algebra 1 check answers**

A box has dimensions of 17 inches long, 1.3 feet wide, and 8 inches high. What is the volume of the box? The formula for the volume is V = l ⋅ w ⋅ h. 2121.6 cubic inches (in3) 176.8 cubic inches (in3)*** 14.7 cubic inches (in3) 1.2 cubic inches (in3)

*Friday, August 26, 2016 by Summer Moriarty*

**Social Studies (Check Answers) Last Time**

14. How does the constitution reflect the principle of popular sovereignty? A) by limiting the amount of power of the government**** B) by placing protections on the civil rights of the nations citizens C) by implementing safeguards against the abuse of power D) by allowing ...

*Thursday, August 25, 2016 by UltimateSpideyGuy*

**7th grade math**

When paying for the her back-to-school clothing purchase, Kristal learned that it was the final day of her state’s tax-free holiday. Kristal decided to purchase a pair of earrings using the $15 she would have paid in taxes on her original purchase. If the tax rate is 6.25% ...

*Thursday, August 25, 2016 by mythreyee*

**English**

Based on what you've learned about the Anglo-Saxon and medieval literature, which type do you think the expert from The Lord of the Rings: The Two Towers is more like? Use examples from the excerpt for support. Frodo was lying face upward on the ground and the monster was ...

*Thursday, August 25, 2016 by Gabby*

**physics**

A rock is thrown straight up with an initial velocity of 15m/s. ignore the effect of air resistance , how high will the rock rise ?

*Thursday, August 25, 2016 by Mahmoud*

**MAV school**

divide 120 into two parts such that when one is divided by 4 and 5, the sum of quotients is 28.

*Wednesday, August 24, 2016 by fuku*

**science**

a bkock placed on a rough inclined plane of length 4m just begins to slide down when the upper end of the plane is 1m high from the ground.calculate the coefficient of static friction.

*Wednesday, August 24, 2016 by Agam*

**physics**

A block of wood is 8.00cm long, 20.0cm high, and 0.10m wide. its mass is 1.00kg. what is its density in g/cm3?

*Wednesday, August 24, 2016 by Anonymous*

**math**

Gillian did not attend to school from 17th january 2012 to 4th february 2012.How many days did Gillian miss the school?please anyone to solve it and show clear solution

*Tuesday, August 23, 2016 by kelvin*

**waketech**

How many cords of wood could you fit in a room that is 88 yards long, 88 yards wide, and 33 yards high? Use the fact that 1 cordequals=128 ftcubed3 and 1 ydcubed3equals=27 ftcubed3.

*Tuesday, August 23, 2016 by Anonymous*

**Social Studies PLEASE HELP!**

How does the US regulate the gathering/use of wood? I am working on a school project, I am supposed to research, I looked everywhere in my textbook and online and couldn't find anything. Can anyone help me?

*Tuesday, August 23, 2016 by John*

**Math**

I don't get where u got the 1:80 from 2:20 the time left in math class? Why and how did u change 2:20 to 1:80? I'm 25 yrs out of school trying to help my 5th grade daughter

*Tuesday, August 23, 2016 by Sheila*

**biology**

1. how does the density of ice compare to that liquid water and why is that property important to aquatic oranisms a. the density of ice is higher than that liquid water, which means that ice forms from the bottom of lakes upward , protecting aquatic life in waterI b. the ...

*Tuesday, August 23, 2016 by 9th grader*

**biology**

1. how does the density of ice compare to that liquid water and why is that property important to aquatic oranisms a. the density of ice is higher than that liquid water, which means that ice forms from the bottom of lakes upward , protecting aquatic life in waterI*** b. the ...

*Tuesday, August 23, 2016 by 9th grader*

**Georgia State History**

Which best explains why there is so little agriculture in the Appalachian Plateau Region of Georgia A. The soil is too rocky B. There are no farmers C. The elevation is too high D. There is no groundwater

*Tuesday, August 23, 2016 by Kendy*

**Georgia state history**

Valley and ridge region is know for its.... A.rich farmland. B.granite quarries C.high mountain ranges D.textile production I think its A.am I right.

*Tuesday, August 23, 2016 by Yaya*

**Georgia Geography**

Valley and Ridge region is known for its A) rich farmland B) granite quarries C) high mountain ranges*** D) textile production Is this correct?

*Monday, August 22, 2016 by Scarlet*

**Physics**

A robot probe drops a camera off of the rim of a 239 m high cliff on Mars, where the free-fall acceleration is -3.7 m/s^2. A. Find the time required for the camera to reach the ground. B. Find the velocity with which it hits the ground.( shown work will be appreciated)

*Sunday, August 21, 2016 by Maggie*

**English**

Is High Grass capitalized?

*Sunday, August 21, 2016 by Jack*

**Math**

Data were collected, using a sample survey, on the inhabitants of a British town. Among other things, the respondents were asked their age and their satisfaction with the shopping opportunities in the local high street. These data were used to construct a contingency table, ...

*Sunday, August 21, 2016 by mina*

**Math**

A rectangular room is 4 meters wider than its high and it is 8 meters longer than its wide. the total Ares of the wall is 512 square meters. Find the dimensions of the room.

*Sunday, August 21, 2016 by jochabed*

**algebra**

a ball is dropped from the top of a building that is known to be 256 feet high.the formula for finding the height of the ball at any time t is h=256-16t^2,where t is measured in seconds.how many seconds will it take for the ball to hit the ground?

*Saturday, August 20, 2016 by Anonymous*

**Physics**

At the beginning of a roller coaster ride the car is staionary at the top of a 30m high hill and then begins to fall. Neglect any resistive forces. Calculate the speed of the car when it reaches the top of the second hill on the roller coaster. The second hill has abheight of 12m

*Saturday, August 20, 2016 by Maddi*

**math**

Jordyn is a 15 Kg 2 ½ yr old with a fever and is ordered to receive Acetaminophen 200 mg to Q 4 hr for a fever >101. The SDR for Acetaminophen is 10-15 mg/Kg/dose Q 4hrs. Calculate the SDR for this child ? SDR = 15(10) – 15 (15) = 150-225 mg / dose. 3. The Acetaminophen...

*Saturday, August 20, 2016 by Tina*

**Maths Algebra**

The number of boys👦 in a school🏢 is 334 more than the number of girls👧. If the total strength👦👧 of the school🏢 is 572,find the number of girls👧 in the school.

*Saturday, August 20, 2016 by Sakshi*

**Math**

In School, if the number of girl students in a school is 1/3 the number of boys. There is 240 more boys student. How many students are boys?

*Friday, August 19, 2016 by sasa*

**chem**

What will be the result of a reaction if its enthalpy change is positive, its entropy change is negative and Gibbs free energy is positive? A. Never spontaneous B. Nonspontaneous, if the temperature is low C. Spontaneous, if the temperature is high D. Always spontaneous

*Friday, August 19, 2016 by Laura*

**Social Studies check my answers**

1 which of the following is true of a parliamentary system of a government but not of a presidential system? the government is nnot regulated by a constitution the judicial ranch is part of an unelected senate the legislative assembly is determined by a national election the ...

*Friday, August 19, 2016 by FluttershyK22*

**math**

roger is 5 feet tall and casts a shadow 3.5 feet longer. at the same time,the flagpole outside his school casts a shadow 14 feet long. write and solve a

*Friday, August 19, 2016 by curzanae*

**them**

How do intermolecular forces determine the vapor pressure of a liquid? A. A nonpolar compound has a low vapor pressure because of London dispersion forces. B. A compound that can form hydrogen bonds has a low vapor pressure. C. A polar compound has a high vapor pressure ...

*Friday, August 19, 2016 by Jessie*

**High Agility Math**

Juan has twice as many brothers as sisters. His sister Maria has 5 times as many brothers than sisters. How many children are in the family?

*Thursday, August 18, 2016 by Anonymous*

**L.A., Please Check**

“Lord of the Rings” is an epic fantasy adventure set in the world of Middle Earth. The story opens when Bilbo Baggins, an elderly hobbit, give his beloved nephew, Frodo, a plain gold ring. Then Bilbo disappears. Soon, Frodo is visited by strange beings, including a ...

*Wednesday, August 17, 2016 by Trish*

**St. Pius X High School**

The resultant of two forces 1 and P, is perpendicular to 1 and equal to 1. What is the value of 'P' and angle between the forces?

*Wednesday, August 17, 2016 by Sufia*

**physics question**

For a science fair competition, a group of high school students built a kicker -machine that can launch a golf ball from the origin with a velocity of 11.2m/s and initial angle of 31.5° with respect to the horizontal. a) Where will the golf ball fall back to the ground? b) ...

*Wednesday, August 17, 2016 by himel*

**math**

How many children will a school hall of dimension 20m,9.5m, and 8m high accomulate assuming 2.5 m^3 of air is required for each children?

*Wednesday, August 17, 2016 by Raju*

**maths**

From the top of a tree,15.5 meters high,the angle of depression of a leopard is 29 degrees. Calculate the distance between the leopard and the tree. I know the answer (it's provided to us as a guide), however the method is stumping me as my working out does not give me the ...

*Tuesday, August 16, 2016 by Gabi*

**Biology**

why is water vital to maintaining a constant internal environment? A. It is cohesive* B. It is adhesive C. It is a good solvent D. It has a high specific heat

*Tuesday, August 16, 2016 by Shun*

**physic**

A tennis ball is projected horizontally from the top of a cliff 50m high with a velocity of 10ms -1 , find (a) the time taken to reach the ground (b) the distance from the foot of the cliff to where the ball hits the ground.

*Tuesday, August 16, 2016 by jaja*

**Biology**

Which of the following properties of water would be most important in protecting a fish in a shallow pond on a hot summer day? A. the low density of water in the solid phase B. water's strong forces of adhesion C. the high specific heat of water D. water's solvent properties ...

*Monday, August 15, 2016 by Amber*

**physics**

a stonne dropped from a cliff, takes 3.0secs to reach the sea. how high is the cliff?

*Monday, August 15, 2016 by amaka*

**physics**

from the top of a tower which is 122.5 m high,a stone is thrown horizontally with a velocity of 5 m/s. what horizontal distance will be stone travel before hitting the ground

*Monday, August 15, 2016 by jessielyn*

**Math**

1110 students at school, 230 of them are boys.if each classroom holds 30 students.how many classroom are needed at school.

*Sunday, August 14, 2016 by Dijo*

**English**

1. When school was over, we went home. 2. School being over, we went home. 3. School over, we went home. --------------------------- #1 can be changed into #2, right? What about #3? Can we use #3?

*Friday, August 12, 2016 by rfvv*

**English**

1. I walked to school, feeling embarrassed. 2. I walked to school, and I felt embarrassed. 2-2. I walked to school, and felt embarrassed. 2-3. I walked to school and I felt embarrassed. 3. I walked to school, while I felt embarrassed. 3-2. I walked to school while I felt ...

*Friday, August 12, 2016 by rfvv*

**Calculus**

The minute and hour hands on the face of a school clock are 8 inches and 6 inches long, respectively. Find the rate of change, in inches per minute, of the distance between the tips of the hands at 9:00.

*Thursday, August 11, 2016 by Matt*

**Math**

A man standing on top of a 100 foot building sites the top of a nearby building at an angle of elevation of 3.14/8. If he knows the nearby building is 160 feet high,what is his horizontal distance from that building.

*Thursday, August 11, 2016 by Chrissy*

**Psychology**

1.The rational style of learning sometimes conflicts with the traditional school environment. Could a school be created that takes advantage of the characteristics of the rational style? How? Are there types of learning for which the analytical style is clearly superior? 2....

*Tuesday, August 9, 2016 by Ashley*

**Math**

At 6th grade school dance , there 132boys and 89 girls and 14 adults

*Monday, August 8, 2016 by Jesenia*

**Math**

At 6th grade school dance , there 132boys and 89 girls and 14 adults

*Monday, August 8, 2016 by Jesenia*

**trigonometric**

a tower 61 m high is located 44 meters from a tall tree.from the top of the tree.the angle of elevation to the tower is 36 degrees. how tall is the tree?

*Sunday, August 7, 2016 by mohammed*

**Algebra**

A 12 foot ladder leans against the side of a house the bottom of the ladder is 8 feet from the side of the house how high is the top of the ladder from the ground

*Friday, August 5, 2016 by Shawna*

**math**

The total distance from Timothy's house to school was 9.18 km.He travelled by bus for part of the journey and walked the rest of the way.The distance he walked was 7.95 km less than the distance he travelled by bus.How far did Timothy walk.

*Friday, August 5, 2016 by Joshua Yong*

**biology**

Which of the following properties of water would be most important in protecting a fish in a shallow pond on a hot summer day? the low density of water in the solid phase water's strong forces of adhesion water's high specific heat water's solvent properties

*Thursday, August 4, 2016 by Nyanka*

**math**

An oil company operates two Southern refineries. The Alabama facility produces 500 barrels of high-grade oil and 200 barrels of medium-grade oil per day. The Texas facility produces 600 barrels of high-grade and 400 barrels of medium-grade oil per day. By operating each ...

*Wednesday, August 3, 2016 by Kenny*

**Kopanang Senior Secondary school**

What is MDCS and LDCS mean

*Wednesday, August 3, 2016 by Pretty Molapo*

**general**

RIDDLE:-! I like to twirl my body,but i keep my head up high,when i go in everything tight.what am I

*Wednesday, August 3, 2016 by Reshma*

**mathematics**

a school has 1800 students on its roll,40% of whom are girls.how many boys are there in the school

*Wednesday, August 3, 2016 by piyush*

**biomechanics**

A 50 kg pole vaulter has a horizontal velocity of 8 m/s at the completion of her approach run, and her center of gravity is 1.0 m high. Estimate how high she should be able to vault if her kinetic and potential energies were all converted to potential energy.

*Wednesday, August 3, 2016 by anonymous*

**Budini ss chem**

Describe the preparation of sodium hydroxide in the school laboratory.

*Tuesday, August 2, 2016 by Isaac*

**Math**

Building Bricks A child is playing with building bricks like this one. He decides to build the simple tower shown. How many bricks would he need to build this tower? If the last column was 14 bricks high how many bricks would he need? If the last column was 50 bricks high how ...

*Monday, August 1, 2016 by Sandy*

**maths**

in a school there are 15 more boys than girls. if the number of boys is increased by 20% and the number of girls is increased by 15% there would be 29 more boys than girls. how many students are there.

*Monday, August 1, 2016 by Balaji*

**mathematics**

There are thrice as many girls as boys at a school. If 35% of the girls and 45% of the boys have already completed their holiday project, what percentage of the learners still needs to complete their project?

*Thursday, July 28, 2016 by edna*

**Math**

The school is having a big event in the gym and wants to use their rectangular tables. 6 people can sit together at one rectangular table. If 2 tables are placed together, 10 people can sit together. So the pattern I noticed is 4 people added whenever a table is added, 1 table...

*Wednesday, July 27, 2016 by John Dosley*

**Maths**

James decided to paint his bedroom. His bedroom walls are 5 metres long and 3 metres high. If 6 litres of paint can cover 10 square metres of the wall, how much paint should James buy to paint all the walls of his bedroom. If paint costs $12.00 per litre, how much will James ...

*Wednesday, July 27, 2016 by Ana*