Friday
January 20, 2017

Homework Help: High School

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

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. ...
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 (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...
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 ...
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

chemnad school computer application
Fin the sum of odd number between 100&200
Saturday, September 10, 2016 by sadath

Math
A group of 54 randomly selected students from one school district participated in a survey. Out of the 54 students in the survey, 9 are enrolled in band camp. If there are a total of 1,200 students in the school district, which estimate is reasonable for the number of students...
Friday, September 9, 2016 by Pokemon

physics
A shell leaves a mortar with a muzzle velocity of 500 ft/s directed upward at 60 degrees with the horizontal. Determine the position of the shell and its resultant velocity 20 s after firing. how high will it rise?
Thursday, September 8, 2016 by jed

Algebra HELP!
Solve by substitute: 1) y=2x-1 2x+2y=22 Solove by emlimination: 1) 5x+4y=-83 3x-3y=-12 Solve using a method of your choice: 1) x+2y=23 5x+10y=55 2) y=x+1 2x-2y=-2 Please help me I don't understand any of this, it's my second day of school and I already feel like a ...
Wednesday, September 7, 2016 by Kitty

Physics
A student with mass 55 kg jumps off a high diving board. Using 6.0×10^24 kg for the mass of the earth, what is the acceleration of the earth toward her as she accelerates toward the earth with an acceleration of 9.8 m/s2 ? Assume that the net force on the earth is...
Wednesday, September 7, 2016 by Howard

Language Arts, please check anyone!
One. What other types of writing is similar to the autobiographical essay? Select 2. ---> an email to a friend that tells about an event in your life a book report you wrote for school ---> a postcard sent to your family while you are traveling a multiply choice ...
Wednesday, September 7, 2016 by Onyx

Math
A nut wholesaler sell two types of mixes of cashews and peanuts. He makes low-grade mix containing 8 pound of peanuts and 4 pound of cashews and high-grade mixer containing 6 pound of peanuts and 6 pound of cashews. Let x and y denote the numbers of low-grade and high-grade ...
Wednesday, September 7, 2016 by Amartya

Math
Is there a causal relationship between the time of sunrise and the daily high temperature? Casual Relationship: if change in one quantity causes change in a second quantity, then the quantities have a causal relationship.
Tuesday, September 6, 2016 by Anonymous

physics
An object 4cm high is placed 25cm from a covering lens of focal length 15cm the image height is
Monday, September 5, 2016 by ifeanyi

math
Home Center sells rectangular picture frames. The ratio of the length to the height in centimeters is 7:5. What would be the length of a frame that is 15 centimeters high?
Monday, September 5, 2016 by sarah

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?
Monday, September 5, 2016 by Kate

reading
The National Aeronautics and Space Administration (NASA) has just released some startling information. The Earth's temperature reached its highest point in 136 years of record-keeping during July. "July 2016 was absolutely the hottest month since the instrumental ...
Sunday, September 4, 2016 by ali

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?
Sunday, September 4, 2016 by Waqas

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?
Sunday, September 4, 2016 by Waqas

mathematics - algebra
A plane takes off on a runway that is horizontally 915 ft from a building, 121 ft high. What is the minimum angle of elevation of its take off to assure of going over the building if it flies in a straight line?
Sunday, September 4, 2016 by Anonymous

algebra
What is the probability of choosing aletter o from theword school?
Sunday, September 4, 2016 by Anonymous

algebra
What is the probability of choosing aletter o from theword school?
Saturday, September 3, 2016 by Anonymous

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?(...
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 ...
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 ...
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...
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 ...
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 ...
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

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