Wednesday

September 28, 2016
**Math**

A football is kicked into the air. Its height in meters after t seconds is given by h(t)=-4.9 (t-2.4)^2+29. A. What was the height of the football when it was kicked? B. What is the maximum height of the kick? C. How long did it take for the football to reach its maximum? D. ...

*Wednesday, September 28, 2016 by Devin*

**Math**

Miguel walks 3/4 mile around the high school track in 1/2 hour.how far can he walk in 2 hours?

*Tuesday, September 27, 2016 by Arianna *

**Physics**

You are trying to climb a castle wall so, from the ground, you throw a hook with a rope attached to it at 25.6 m/s at an angle of 56.0° above the horizontal. If it hits the top of the wall at a speed of 15.3 m/s, how high is the wall?

*Tuesday, September 27, 2016 by Freya*

**Math**

The school band is compromised of middle school students and high school students, but it always has the same maximum capacity. Last year the ratio of the number of middle school students to the number of high school students was 1;8. However, this year the ratio of the number...

*Tuesday, September 27, 2016 by Anonymous*

**Ed Tech**

What is the rhyme scheme of the following poem? He sat upon his brand new bike Waiting for his best friend Mike. He couldn't wait to ride to school. Others would say his bike is cool. A. a a b b ** B. a b a b C. a b c d D. a a b a A?

*Tuesday, September 27, 2016 by Asuna*

**World history **

1. Which statement best describes the period known as the Old Kingdom? It was a time of dynastic uncertainty. It was a time of development. It was a time of great geographic expansion.*** 2. In what way was the Nile both a benefit and a disadvantage for Egypt? It provided ...

*Tuesday, September 27, 2016 by Y*

**Physics **

A ball thrown horizontally from the top of a 13m high building strikes the ground 5m from the base of the building. 1) With what velocity was the ball thrown?

*Tuesday, September 27, 2016 by Anonymous *

**Math**

Every few days a student at a school will recieve a souvenir such as a pencil or shirt. Every 24th day a student recieves a souvenier. Every 56th day a student recieves a souveiner and every 64th day a student recieves a souvenier. Which student will be the first to have all ...

*Monday, September 26, 2016 by Ulla*

**math**

150 students took part in a quiz. There are twice as many girls as boys in the school: (a) How many girls were there? (b) How many were boys?

*Monday, September 26, 2016 by Dudi*

**physics**

a 15kg rock falls from the top of a building 8.0m high. Find its PE and KE a.when at rest at the top of the building b. halfway down the ground c. when it reaches the ground d.speed when it reaches the ground

*Monday, September 26, 2016 by Anonymous*

**Math**

Each homeroom of a middle school receives 1/12- acre plot of 5/6 acre of land. How many classrooms receive a plot of land. 5/6 divided by 4840 is this correct

*Monday, September 26, 2016 by Noel*

**physics**

a ball is thrown upward from a bridge with a speed of 48 ft/s. It misses the bridge on way down and lands in water 160 ft. below. Find how long the ball rises, how high it goes, how long it is in the air, and its velocity when it strikes the water.

*Monday, September 26, 2016 by mia*

**physics**

a 15kg rock falls from the top of a building 8.0m high. Find its PE and KE a.when at rest at the top of the building b. halfway down the ground c. when it reaches the ground d.speed when it reaches the ground

*Monday, September 26, 2016 by kled*

**Physics**

You are trying to climb a castle wall so, from the ground, you throw a hook with a rope attached to it at 22.3 m/s at an angle of 55.0° above the horizontal. If it hits the top of the wall at a speed of 15.4 m/s, how high is the wall?

*Monday, September 26, 2016 by Justine*

**physics**

a 15kg rock falls from the top of a building 8.0 high. Find its PE and KE a.when at rest at the top of the building b. halfway down the ground c. when it reaches the ground d.speed when it reaches the ground

*Monday, September 26, 2016 by k*

**programing logic and design **

I got high last night and feel terrible if someone could answer this question I would love them forever The Parasol Insurance Group sells a variety of insurance policy types. Design a flowchart for a program that accepts a client’s name and “Y’ or “N’ ...

*Monday, September 26, 2016 by arima*

**Maths**

Find the sum of the area of the ceiling and the floor of a room of 5m long, 4m wide and 2.5 high.

*Monday, September 26, 2016 by Sam*

**Algebra**

Two investments in high- technology companies total $1,100. If one investment earns 10% annual interest and the other earns 10%, find the amount of each investment of the total interest earned is $140 for the year. The value of the investment which earns 10% annual interest is...

*Monday, September 26, 2016 by Lauren Tiku*

**Physics**

A science student is riding on a flatcar of a train along a strait, horizontal track at a constant speed of 12.0 m/s. The student throws a ball into the air along a path he judges to make an initial angle 65. deg with the horizontal and to be in line with the track. The ...

*Sunday, September 25, 2016 by Mary*

**Physics**

A batted baseball leaves the bat with a velocity of 41.4 m/s at an angle of 51.2°. If the ball just barely clears the 3.05 m (10 ft) center field wall, a. How long was the ball in the air? ___s b. What must the range be from home plate to the center field wall? ___m c. How...

*Sunday, September 25, 2016 by Eric*

**The Human Resource Environment**

Which of the following is a false statement about the performance management process? A. In some organizations, employees evaluate their own performance, and often, peers and subordinates participate, too. B. Performance measures may emphasize either observable behaviors or ...

*Sunday, September 25, 2016 by Marck*

**Further mathf**

In a senior secondary school, 80 students play hockey or football. The number that play football is 5 more than twice the number that play hockey. If the 15 students play both games and every student in the school playsat least one game, find: The number of students that play ...

*Sunday, September 25, 2016 by Anonymous*

**Physics**

"You can jump 2 feet vertically on Earth. Figure out how high you would be able to jump on the Moon, where acceleration due to gravity is ⅙ that of Earth. Assume you launch upwards with the same speed on the Moon as you do on the Earth." I've already ...

*Saturday, September 24, 2016 by BunBun*

**Science**

You can jump 2 feet vertically on Earth. Figure out how high you would be able to jump on the Moon, where acceleration due to gravity is ⅙ that of Earth. Assume you launch upwards with the same speed on the Moon as you do on the Earth." I've already measured how...

*Saturday, September 24, 2016 by BunBun*

**Maths**

Hey! I have this problem - i'm currently working on Quadratics at school, and i got homework. One of the questions is 18^2+2px+32. I have to find the Value of P, the answer i got is P>+-24. Can someone please confirm this is correct?

*Saturday, September 24, 2016 by Simon*

**Math **

1, In one school, 5/6 of the 6th graders take a foreign language. of these students, 2/5 take French. a. What fraction of the 6th graders take French? 5/6 x 2/6= 1/3 b. If there are 150 6th graders,how many take French? 150/1 x 1/3 =5/3 ?

*Friday, September 23, 2016 by Chris Mac*

**world geography please check my answers**

1. Which is not a factor contributing to poverty in Africa? (1 point) long periods of drought and desertification a sudden decline in unemployment drastic increase in population leading to a shortage in available resources an inability to establish a diverse industrial economy...

*Friday, September 23, 2016 by oto*

**Career**

Please check my answers. Thank you! The amount of goods and services that people want to buy. Producers Consumers Supply Demand* Question 2 (Multiple Choice Worth 10 points) (02.08 LC) Knowledge and tools that enable us to do new tasks more efficiently are knows as _____. ...

*Friday, September 23, 2016 by Anonymous*

**Math**

A total of 120 students attend top view high school.the ratio of teachers to students is 1:30. Whats the answer

*Thursday, September 22, 2016 by Karen *

**Math**

120 students attend top view high school.the ratio of teacher to students is 1:30.

*Thursday, September 22, 2016 by Karen *

**Wold History**

1. Which statement best describes the period known as the Old Kingdom? It was a time of dynastic uncertainty. It was a time of development. It was a time of great geographic expansion.*** 2. In what way was the Nile both a benefit and a disadvantage for Egypt? It ...

*Thursday, September 22, 2016 by Andrea*

**Math**

In the jazz band at Wyatt's school, there are 15 trumpets and 9 trombones. Find the ratio of trombones to trumpets?

*Thursday, September 22, 2016 by Ann*

**ANUENUE**

1.What other types of writing is similar to the autobiographical essay? select all that apply. A. an email to a friend that tells about an event in your life B. a book report you wrote for school C. a postcard sent to your family while you are traveling B. a multiple choice ...

*Thursday, September 22, 2016 by Anuenue*

**Physics**

An object is thrown up in the air at 15 meters per second. You want to figure out how high the object will be at 2.5 seconds after its release. Use the 5 motion variables and list the values and directions of the variables already known. Use a motion equation to find the ...

*Thursday, September 22, 2016 by Anonymous*

**Math**

The table shows information about the number of sweatshirts sold and the money collected at a fundraiser for school athletic programs. Sweatshirts Sold 3 5 8 __ 12 Money Collected 60 _ _ 180 _ The above is supposed to be a ratio table but I am not sure on how to find out the ...

*Wednesday, September 21, 2016 by Matt-Please Help*

**Algebra **

A rock is thrown upward with a velocity of 21 meters per second from the top of a 48 meter high cliff, and it misses the cliff on the way back down. When will the rock be 7 meters from the water, below? Round your answer to two decimal places.

*Wednesday, September 21, 2016 by Matthew*

**Language Arts **

1.What other types of writing is similar to the autobiographical essay? Select all that apply. A. An email to a friend that tells about an event in your life B. a book report you wrote for school C. a postcard sent to your family while you are traveling D. a multiple choice ...

*Wednesday, September 21, 2016 by Anuenue*

**PHYSICS**

looking over the edge of a cliff, you become curious as to how high up you are. you take a rock and drop it over the edge and count. The rock strikes the ground in between 3 and 4 of your count. so let's estimate that it took 3.5s for it to hit the ground. using the bottom...

*Wednesday, September 21, 2016 by Matt*

**math**

A nut company produces two types of mixtures, regular and deluxe. The company is donating bags of mixtures for school picnic. A bag of regular mix has 4 oz of peanuts, 1 oz of cashew, and 3 oz of almonds. A bag of deluxe mix has 3 oz of peanut, 1 oz of cashew, and 5 oz of ...

*Wednesday, September 21, 2016 by rolly*

**physics**

a baseball is batted with a speed of 120 ft/sec at an angle of 37 degrees with the ground. find how long the ball is in the air, how high the ball goes, how far from the plate it is caught, and the components of the velocity of the ball 4 sec after it is hit.

*Wednesday, September 21, 2016 by kim*

**math**

a lighthouse is 30m high. the angle of elevation from a ship to the top of the tower is 17 degrees. what is the horizontal distance from the ship to the lighthouse?

*Tuesday, September 20, 2016 by Sally*

**Math **

A student sits in the school bus traveling to her school. If the student stands up and moves at 1.5m/s toward the rear of the bus that travels at 10m/s to the east,what is her velocity relative to the observer on the side of the road? If she moves at 2.1 m/s toward the front ...

*Tuesday, September 20, 2016 by Physics*

**Math**

Yesterday'/ high temperature was -8 degree Fahrenheit. Today's high temperature is -3 Fahrenheit. A: Write a numerical expresssion you can use to find the change in temerature from yesterday to today B: Evaluate your expression and explain what it means Help me ASAP!!

*Tuesday, September 20, 2016 by Verna*

**Math **

A student sits in the school bus traveling to her school. If the student stands up and moves at 1.5m/s toward the rear of the bus that travels at 10m/s to the east,what is her velocity relative to the observer on the side of the road? If she moves at 2.1 m/s toward the front ...

*Tuesday, September 20, 2016 by Physics*

**Social studies **

Can someone check my answers I really need to score high on this.. 1, what was the initial purpose of the Constitution Convention? To write the Constitution To amend the Constitution To amend the Articles of Confederation**** To ratify the Constitution 2, What fundamental ...

*Tuesday, September 20, 2016 by Sage Withem*

**maths**

A cone is 6cm high and its vertical angle is 54degrees. Calculate the radius of its base. MY ANSWER tan54=x/6(let x be the radius) 6*tan54=x 6*1,3764=x 8,2584=x 8,2584/2=x 4,1292cm=x

*Tuesday, September 20, 2016 by melody*

**Psychology 101 **

which of the following is TRUE? (Points : 1) IQ does not change. IQ tests favor minority groups. IQ tests typically measure creativity. IQ predicts success in school.

*Monday, September 19, 2016 by Samantha*

**Science**

THANK YOU DRWLS. I just wanted to thank you because you have been a major part of my successes in High school. Your answers are always clear, easy to understand, and most importantly correct! I just wanted to expresses my gratitude as you are truly the MVP of Jiskha. I'am ...

*Monday, September 19, 2016 by BlueishLocket*

**Algebra**

A meteorologist announces that yesterday’s high temperature was within 4° Celsius of 18° Celsius all across the country. Write an inequality that involves an absolute value to represent yesterday’s high temperature. Solve the inequality and explain the ...

*Monday, September 19, 2016 by Fading*

**science**

Johnny stacked 200 cans, each weighing 5 N, on shelves 1 meter high in only 100 seconds. How much power did he use for the task?

*Monday, September 19, 2016 by dolly*

**Social Studies help?**

Under the Articles, each state sent one delegate to Congress. Thus each state, no matter its size or population, had one vote. Congress did have the power to declare war. It could appoint military ofﬁcers, coin money, and operate post ofﬁces. It was also ...

*Monday, September 19, 2016 by BK*

**SOCIAL STUDIES (CHECK ANSWERS) ASAP PLEASE**

1. Which of the following responsibilities are held by the federal government? Select two answers. A) protecting national parks**** B) administrating Heath care C) providing social security**** D) managing intercity traffic E) creating garbage collection services F) chartering...

*Monday, September 19, 2016 by BatMen*

**Physics**

A tennis player hits a ball 1.6m above the ground. The ball leaves the racket with a speed of 12m/s at an angle 8.0 above the horizontal. The net is a horizontal distance of 7.0m away from the player and is 1.0m high. a) does the ball clear the net? Explain how you determined ...

*Monday, September 19, 2016 by Brittany*

**Trigonometry **

A boat is 100 m from the bottom of a 75 m high cliff. Calculate the angle of elevation from the boat to the top of the cliff. (I've been trying to solve it but i have no idea how

*Monday, September 19, 2016 by Unknown*

**Math Algebra **

A brand cookie mix calls for baking cookies at a temperature of 350°F. However, for high altitues (3500-6500 ft. above sea level) l, baking at 37t°F is suggested. a. Construct a piecewise linear function for the recommended baking temperature, T (s), as a function of ...

*Sunday, September 18, 2016 by Fergie*

**English**

1. Mina uploaded Yujin's photo on the school website without her permission. 2. She uploaded her photo imitating monkeys. 3. She didn't ask Yujin if she could upload her photo. 4. She didn't delete the photo right away. --------------------------- Would you check ...

*Sunday, September 18, 2016 by rfvv*

**Math**

270 tickets were sold at a school event. The total money collected is $1700, if the adults cost $10 and the student section cost $5. How many adult tickets were sold? My teacher gave this to us but he didn't explain it how. Can you help me answer this question and show the...

*Sunday, September 18, 2016 by Anonymous*

**physics**

While in Europe, a tourist hears on the radio that the temperature that day will reach a high of 22°C. What is this temperature on the Fahrenheit scale?

*Sunday, September 18, 2016 by kim*

**Chemistry**

At a high temperature, the equilibrium constant for the decomposition of hydrogen iodide is 65.0. If the initial concentration of HI is 1.60 M, what is the concentration of hydrogen at equilibrium? 2Hl(g) H2(g) + I2(g) A. 1.42 M B. 0.753 M C. 0.240 M D. 0.802 M I think that ...

*Sunday, September 18, 2016 by Laura*

**Algebra**

1)More than 450 students went on a field trip. Ten buses were filled and 5 more students traveled in a car. a) Write an inequality to represent the situation. Be sure to define your variable. b) Solve the inequality to find the minimum number of people on each bus. b=# of ...

*Saturday, September 17, 2016 by Elizabeth*

**Physics**

A bean jumps vertically off of a table. It has a speed of 10 m/s when it reaches half of its maximum height. How high does it rise?

*Saturday, September 17, 2016 by Jack*

**Physics**

A bean jumps off a table and when it reaches have its height it has a speed of 10 m/s, how high does it rise?

*Saturday, September 17, 2016 by Jack*

**Physics (Mechanics)**

A bat makes contact with a ball 0.8 meters above the ground. The ball then travels with a speed of 22 m/s, moving up. How high does it go?

*Saturday, September 17, 2016 by Andrew*

**English**

1. This morning, I walked to school, feeling embarrassed. 2. While, this morning, I walked to school, I felt embarrassed. 3. While I walked to school, I felt embarrassed this morning. 4. This morning, while I walked to school, I felt embarrassed. ===================== Which ...

*Friday, September 16, 2016 by rfvv*

**Social Studies**

which of these people is in the labor force 15 year old high school student who wants a job a 32 year old mother who stopped working a 46 year old woman who is unemployed but seeking a job <--- a 68 year old man who is retired

*Friday, September 16, 2016 by HELP!*

**Physics**

From top of a tower 160 m high a body is projected upwards with a velocity of 40 m/s making an angle of 30° with the horizontal. Find the time it will take to reach the ground

*Friday, September 16, 2016 by Diana*

**Math**

Mabatini primary school sold to a nearby school a third of her sacks of beans harvested last year,and used one over four of the remaining for food.If the remaining sacks were sold to the pupils at the price of 8000 shillings each,and thus giving the total amount of 216000 ...

*Thursday, September 15, 2016 by kelvin*

**MATH**

Fupi used 0.2 of his salary,sh 32,800 per month for school fees,quarter of the remained amount,he deposited at the bank and the rest amount used for other expenses.How much were used for other expenses?******************To my side,i solved like this tell me whether i am ...

*Thursday, September 15, 2016 by kelvin*

**MATH**

Fupi used 0.2 of his salary,sh 32,800 per month for school fees,quarter of the remained amount,he deposited at the bank and the rest amount used for other expenses.How much were used for other expenses?******************To my side,i solved like this tell me whether i am ...

*Thursday, September 15, 2016 by kelvin*

**FRENCH**

1. Quel travail voulez-vous? (What job do you want?) - Je veux être un pédiatre . 2. Quel type d'education avez-vous recu? (What kind of education have you received? - I got my M.D in med school and finished pediatric residency. J'ai obtenu mon M.D à...

*Thursday, September 15, 2016 by Sarah*

**Math**

A rocket moves upward from rest with an acceleration of 29.4 m/s2 for 4 seconds. It then runs out of fuel and continues to move upward. Neglecting any air resistance, how high will it rise?

*Thursday, September 15, 2016 by Anonymous *

**Social Studies**

which of these people is in the labor force 15 year old high school student who wants a job a 32 year old mother who stopped working a 46 year old woman who is unemployed but seeking a job a 68 year old man who is retired---

*Thursday, September 15, 2016 by HELP!*

**chemistry - 3.1.6**

At a high temperature, the equilibrium constant for the decomposition of hydrogen iodide is 65.0. If the initial concentration of HI is 1.60 M, what is the concentration of hydrogen at equilibrium? 2Hl(g) H2(g) + I2(g) A. 1.42 M B. 0.753 M C. 0.240 M D. 0.802 M I'm ...

*Thursday, September 15, 2016 by erika*

**math**

Nelia takes 3/4 hour dress and get ready for school. it takes her 4/5 hour to reach school. if her class starts promptly at 8:15 am, what is the latest time she can jump out of bed in order not to be late for school?

*Thursday, September 15, 2016 by Arvee*

**statistics**

The weekly study times for all students in a school are normally distributed with μ = 18 hours and σ = 6 hours. If 36 students are randomly selected, find the probability that their mean study time is greater than 20 hours. My work: 20-18/(6/√36)=2/(6/6)=2/1=2...

*Thursday, September 15, 2016 by Judy*

**chemistry**

If the equilibrium constant is much less than 1, what can you conclude about the concentrations of the reactants and products? A. Reactants are in the numerator of the equilibrium expression, so the concentration of the reactants is high. B. Products are in the numerator of ...

*Thursday, September 15, 2016 by erika*

**physics **

Fleas can jump quite high; experiments show that they reach an altitude of 130 times their own height when they jump vertically! Suppose instead that a flea can jump so that it lands a maximum distance of 19.60 cm away. What is the take-off speed for this flea?

*Wednesday, September 14, 2016 by jade*

**math**

Fupi used 0.2 of his salary,sh 32,800 per month for school fees,quarter of the remained amount,he deposited at the bank and the rest amount used for other expenses.How much were used for other expenses?#########To my side,i solved like this tell me whether i am correct or not...

*Wednesday, September 14, 2016 by kelvin*

**Math**

a survey showed that 30% of student bring their lunch to school. The survey polled 300 students do not bring their lunch to school

*Wednesday, September 14, 2016 by Kamryn*

**math**

Fupi used 0.2 of his salary,sh 32,800 per month for school fees,quarter of the remained amount,he deposited at the bank and the rest amount used for other expenses.How much were used for other expenses?#######please anyone one to help me with the solution***************may i ...

*Wednesday, September 14, 2016 by kelvin*

**math**

Fupi used 0.2 of his salary,sh 32,800 per month for school fees,quarter of the remained amount,he deposited at the bank and the rest amount used for other expenses.How much were used for other expenses?please anyone one to help me with the solution

*Wednesday, September 14, 2016 by kelvin*

**Physics**

A ball is thrown vertically upward from the edge of a bridge 26.5 m high with an initial speed of 11.0 m/s. The ball falls all the way down and strikes the water below. Determine the magnitude of the velocity of the stone just before it strike the water. (In m/s)

*Wednesday, September 14, 2016 by Bex*

**Math**

Parkview Middle School has 3 boys to every 4 girls. Cypress Elementary School has 3 boys to every 7 total students. Both schools have 567 students. Which of the following statements is true. a. Parkview has more boys than Cypress. b. Cypress and Parkview have the same amount ...

*Wednesday, September 14, 2016 by Matt*

**Math geometry **

What is a Volume in a cubic feet of a box that is 3 feet long 8 feet wide and 16 feet high

*Wednesday, September 14, 2016 by Lashell*

**Math**

An insurance company classifies drivers as low-risk, medium-risk and high-risk. Of those insured, 60% are low-risk, 30% are medium-risk and 10% are high-risk. After a study, the company finds that during a 1-year period, 1% of the low-risk drivers had an accident, 5% of the ...

*Tuesday, September 13, 2016 by Desperate student*

**physics**

a ball is thrown verrically upward. the speed of ball was 30m/s when it had reached ½ of its maximum height. 1) how high did the ball rise 2) find the velocity and acceleration 1 second after it is thrown

*Tuesday, September 13, 2016 by ayush*

**Physics **

A ball thrown horizontally at 21m/s from the roof of a building lands 24m from the base of the building. Now high is the building?

*Tuesday, September 13, 2016 by Arman*

**AP physics **

A store is dropped from the top of a Cliff. It is seen to hit the ground below after 3.55s.How high is the cliff?

*Monday, September 12, 2016 by Susana *

**Math**

The angle of elevation to the top of a tower is 27 degrees, taken from a point 19 meters from the base of the tower. How high is the tower?

*Monday, September 12, 2016 by Chloe *

**Math**

Your school's football team scored 49 points. Your team's scored 19 points more than the opponent's scores. Write and solve an equation to find the opponent's score

*Monday, September 12, 2016 by Izamae*

**Math**

The computer school enrolment shows that there are 5 girls in every 12 boys. If the school enrolment in one year is 5,200, how many girls and boys are there?

*Monday, September 12, 2016 by Nes*

**Chemistry **

A rectangular solid of unknown density is 6cm long, 3cm high, and 7cm wide. The mass of this solid is 250g. Calculate the density.

*Sunday, September 11, 2016 by Shay*

**Math**

George has a goal of walking 9/2 kilometers today. Each time he walks to school and back, he walks a total of 1/2 kilometers. What is the meaning of 9/2 divided by 1/2? a. The speed in kilometers per hour that George needs to walk in order to reach his goal. b. The fraction of...

*Sunday, September 11, 2016 by Matt*

**physics**

A soccer ball is kicked with an initial horizontal velocity of 16 m/s and an initial vertical velocity of 17 m/s. 1) What is the initial speed of the ball? 2) What is the initial angle θθ of the ball with respect to the ground? 3) What is the maximum height the ball ...

*Sunday, September 11, 2016 by Hallie*

**Math**

In one school, 5/6 of the sixth graders take a foreign language. Of these students 2/5 take French. What fraction of the sixth graders take French. Answer: 5/6 x 2/5=25/30 + 12/30=37/30=1 7/30 Can you please double check my answer to see if I got it right.

*Sunday, September 11, 2016 by Matt*

**Texas woman school**

what part of sentence is wrong? The most important things in my life are making money, traveling abroad, and to live well. The most the most-in-are-to live I think are.

*Sunday, September 11, 2016 by erick*

**Calculus 1**

sand is being poured onto the ground forming a conical pile whose height equals 1/4 of the diameter of the base. The sand is falling at a rate of 20cm^3/sec. How fast is the height of the sand pile increasing when it is 3cm high?

*Saturday, September 10, 2016 by ben*

**Calculus 1**

sand is being poured onto the ground forming a conical pile whose height equals 1/4 of the diameter of the base. The sand is falling at a rate of 20cm^3/sec. How fast is the height of the sand pile increasing when it is 3cm high?

*Saturday, September 10, 2016 by Khan*

**chemistry help**

How does too little acid cause gastric distress? A. More than enough acid is present to digest proteins, resulting in inadequate digestion of proteins. B. The pH of the stomach becomes so high that proteins are not digested properly. C. The pH of the stomach becomes so low ...

*Saturday, September 10, 2016 by emma*

**Evans **

A school district has 2 teaching positions to fill and there are 8 applicants to choose from. How many different possibilities are there?

*Saturday, September 10, 2016 by john*