Saturday
April 18, 2015

Homework Help: High School

mrr high school
Find the power of human heart ,which beats72 times per minute , if it does 1.5J of work every beat.
Friday, January 2, 2015 at 6:46am

History
After you have read the following, write a short essay comparing and contrasting life in the Middle Ages to today. Is there anything that was better about life then? The next time you are washing your hands and complain because the water temperature isn't just how you like...
Thursday, January 1, 2015 at 6:40am

Drug Bioavilability (Pharm.)
Assess with explanation the bioavailability by oral route of the following drugs with the specified properties. Also suggest ways to achieve the therapeutic concentration if the bioavailability is not favorable. (Note: change of route of administration should be considered as ...
Wednesday, December 31, 2014 at 9:03pm

physics
to view full image of an object 160 cm high, the minimum size of the plane mirror required is?
Wednesday, December 31, 2014 at 7:34pm

Math
A building was 210 ft high and a guy was 8 ft from the top and let down a wire that is .44 radians (degrees) to the ground... How long is the wire?
Tuesday, December 30, 2014 at 4:35pm

physics
a rock is dropped from a high brige.at the end of 3 seconds of free fall the speed of the rock is:[in centimeters per second,g=10 m/second square]
Tuesday, December 30, 2014 at 11:01am

General Chemistry!!!!
Hi I'm a high school teacher. I teach General Chemistry. I'm looking for a textbook for my student. In this course we learn the basics of chemistry and how it relates to our everyday lives/world.
Monday, December 29, 2014 at 12:20pm

math
overnight the low temperature dropped to -6 degrees Fahrenheit. If the high temperature during the day was 11 degrees Fahrenheit, what was the difference between the high and low temperatures? Please help, thank you so much!
Friday, December 26, 2014 at 4:05pm

university bahrain
Q4. Many organizations find themselves in the apparently contradictory position of having high levels of financial investment in inventory, but at the same time frequently running out of stock of important components and materials.
Thursday, December 25, 2014 at 2:09am

english
Arrange the sentences logically. a. One day last week, I went next door to take some pictures of Coke and her newborn puppies. b. Only later did I learn that all animals are very protective of their young. c. Photographing pets can sometimes be a dangerous and expensive hobby...
Thursday, December 25, 2014 at 1:31am

english
Arrange the sentences logically. a. One day last week, I went next door to take some pictures of Coke and her newborn puppies. b. Only later did I learn that all animals are very protective of their young. c. Photographing pets can sometimes be a dangerous and expensive hobby...
Tuesday, December 23, 2014 at 6:05am

6th grade Math
What two expressions could be used to represent the cost of a speeding ticket on (1) streets and highways and (2) in construction and school zones?
Monday, December 22, 2014 at 4:31pm

Physics
A bullet is fired vertically upward with an initial velocity of 98m/s from the top of a building 100m high, find a) the maximum height reached above the ground b) the total time before reaching the ground. C) the velocity on landing.
Monday, December 22, 2014 at 12:36am

physics
A ball is thrown vertically up from the edge of a 150 m building with a veloicty of 10m/s. (A) how high did the ball rise? (b) how much time did it take fort he ball to reach this height ? (C) what is the velocity oft he ball as it strikest he ground ? (D) how long does it ...
Sunday, December 21, 2014 at 2:34pm

Science
If 1 J of energy is applied to lift an object of 500 kg how high will it rise?
Sunday, December 21, 2014 at 10:32am

physics please help
A hoodlum throws a rock straight down from the roof of a building 109m high. If it takes 2.40s to hit the ground below, with what initial speed was the rock thrown? Please show all work
Saturday, December 20, 2014 at 12:04pm

math
At a local high school,560 out of 1060 students voted to support a community fund drive. What percent of the students did not support the fund drive? 47% is this the correct answer?
Friday, December 19, 2014 at 3:42pm

math
One day,20% of the 950 students at West Junior High were absent. How many students were absent? Is this right? 20/100 950/5 equals 190
Friday, December 19, 2014 at 9:28am

creative writing
This morning while I was running, shoes smacking the pavement, Venus bright above the spine of the Bear Mountains, and my thoughts pinned to the day ahead, the meetings, the deadlines, the writing I would not do, a deer was hit by a car. It flew in front of me, disrupting the ...
Friday, December 19, 2014 at 9:12am

math
I'm trying to help my son with his homework and I have been out of school for some time...the question is: The floor of the recreation room at the YMCA is triangular with a base of 20 meters and a height of 13 meters. The YMCA wants to install carpeting that costs $30 per ...
Thursday, December 18, 2014 at 11:07am

Medical Administrative Assistant
I need help adding some stuff to this exam please help Exam 028005 It has come to my attention after a conversation with a DMD Medical Supplies representative that some of our work for them has been subpar. Knowing we are a customer driven company I did some investigation of ...
Thursday, December 18, 2014 at 9:12am

physics
An arrow is shot at an angle 39◦ with the horizontal. It has a velocity of 54 m/s. How high will the arrow go? The acceleration of gravity is 9.8 m/s^2. Answer in units of m
Wednesday, December 17, 2014 at 8:34pm

Phyiscs
An autographed baseball rolls off a 0.5m high desk and strikes the floor 0.4m away . How fast was the ball traveling when it hit ?
Wednesday, December 17, 2014 at 7:28pm

maths literacy geog business studies bio English a
What can I study after school with the following subjects maths literacy business studies bio English lo Afrikaans geog
Wednesday, December 17, 2014 at 3:01pm

Math
Another question. The floor of Raj's classroom has an area of 525 feet. The room is 12 feet high. What is the volume of Raj's classroom? I had got 6300. Is this correct? I had used the formula V = B x H.
Tuesday, December 16, 2014 at 9:33pm

Math
I want to check this. I had used formulas V = B x H and I x w x h to solve these What is the volume of the box that is 14 inches long, 7 inches wide and 10 inches high? I got 980. Am I right?
Tuesday, December 16, 2014 at 9:28pm

Chemistry
Why are metals malleable? A. Because they reflect incoming photons B. Because they are made of atoms that have tightly held electrons C. Because of their structure and uniform bonding in all directions D. Because their lattice energy is very high I think the answer is c but I ...
Tuesday, December 16, 2014 at 8:53pm

physics
A soccer ball is kicked with an initial horizontal velocity of 16.5 m/s from a 92 meter high cliff. Determine the time it took the ball to reach the ground and how far the ball got from the edge of the cliff.
Tuesday, December 16, 2014 at 8:16pm

Physics
1.) A tennis ball (mass = 57 grams) is held directly above a basketball (mass = 624 grams)that is held 4.7 meters off the ground. Both are dropped simultaneously. Assuming an elastic collision, how high above the ground does the tennis ball reach after bouncing? (Note that the...
Tuesday, December 16, 2014 at 8:13pm

History
What Physical Feature of the New World's Coastline greatly attracted European Colonits A.Offshore islands B.Fertile soil along high moutain cliffs C.Natural harbors along the Atlantic Coast D.Large lakes along the coastline D?
Tuesday, December 16, 2014 at 6:38pm

History
What physical feature especially attracted European colonists? A.Many offshore islands B.Fertile soil along high mountain cliffs C.Natural harbors along Atlantic Ocean D.Large lakes located along the coastline
Tuesday, December 16, 2014 at 6:15pm

math
There are 120 students involved in the school play. If 72 of the students are girls, what percent are girls
Tuesday, December 16, 2014 at 3:39pm

maht
The 2002 yearbook at Middleton Middle School had 236 candid (fun pictures, not planned) pictures of students. The 2001 yearbook had 214 candid pictures of students. To the nearest tenth, what was the percent of change in the number of candid student pictures?
Tuesday, December 16, 2014 at 8:49am

Life Span Development
Question 1 1-The quality of a children’s attachments has been found to affect a-what children expect social interactions to be like. b-whether children remember positive or negative aspects of events better. c-children’s concepts of themselves. d-all of the above. (I...
Tuesday, December 16, 2014 at 12:12am

History 2
the public school system in georgia was the result of laws passed during A. World War 1 B. The Civil War C. Reconstruction **** D. Antebellum
Monday, December 15, 2014 at 12:03pm

Sixth Grade Math
A teacher tells 6 students the title of the next school play. Those 6 students each tell the title to 6 students. Then those additional students each tell the title to 6 students. How many students have been told the title of the next play? Answer: 6^3 = 216 Is my answer correct?
Sunday, December 14, 2014 at 8:50pm

Math
Wooden blocks are stacked to form a cube 3 block wide, 3 block long, and 3 block high. How many blocks are used? 27 blocks are used
Sunday, December 14, 2014 at 3:57pm

Math
A teacher tells 6 students the title of the next school play. Those 6 students each tell the title to 6 students. Then those additional students each tell the title to 6 students. How many students have been told the title of the next play? Answer: 6^3 = 216
Sunday, December 14, 2014 at 3:05pm

Science
Can someone actually help me with this...? Instead of telling me to use my books... (My school does NOT give us books.!) How is incomplete dominance different than dominance? Explain why incomplete dominance only occurs in this genotype?
Sunday, December 14, 2014 at 11:04am

program eval
If I were doing an evaluation of an existing after-school program where involvement was voluntary, would I do a quasi-experimental design or experimental design? I'm thinking quasi-experimental as I would randomly select from those who are enrolled in the program.
Saturday, December 13, 2014 at 11:01pm

Math
A fence 12ft high runs parallel to a tall building at a distance of 2ft from the building. What is the length of the shortest ladder that will reach from the ground over the fence to the wall of the building?
Saturday, December 13, 2014 at 6:44pm

math
A rectangular tank of 5 m long,4 m wide and 5 m high is filled with water to a depth 3 m. If a robot of volume 20 cubic metre is added to the tank, how much will the water level rise?
Saturday, December 13, 2014 at 5:54am

Physics/Calc
A ball is thrown vertically upward from a cliff with a speed of 20 ft/sec. The ball hits the ground at 140 ft/sec. How high is the cliff? v'+-32
Friday, December 12, 2014 at 3:33am

Physics/Calc
A ball is thrown vertically upward from a cliff with a speed of 20 ft/sec. The ball hits the ground at 140 ft/sec. How high is the cliff? v'+-32
Friday, December 12, 2014 at 2:15am

Physics- Is my work right?
A ball moving at +3.0 m/s along a table rolls off a table and lands on the ground 2.0 m away. How high was the table? h = 9.8 × (2/3)² / 2 = 2.2 m
Thursday, December 11, 2014 at 7:54pm

Math
Sandy is buying t-shirts for her school's club. Company A charges 5.80 per shirt with no set up fee. Company B charges 5.75 per shirt plus a $35 set up fee
Thursday, December 11, 2014 at 7:02pm

Finance
Your great aunt Mary passed away and left you and inheritance of $5,000.00. Since you don't have a need for the money in the near future, which of the following would be the best place to put the $5,000.00? a) a savings account earning 1% interest b) a checking account c) ...
Thursday, December 11, 2014 at 3:07pm

Middle School Math
My home work problem is 3g+5=17 my answer is -20. A I correct.
Thursday, December 11, 2014 at 2:31pm

Math
Your fishing bobber oscillates up and down from the current in the river in a harmonic motion. The bobber moves a total of 5.0 inches from its high point to its low point then returns up to the high point every 5 seconds. Write an equation modeling the motion of the bobber at ...
Thursday, December 11, 2014 at 11:34am

English
1) In the story "A Meeting in the Dark," John's character advances the plot and communicates the theme through each of the following conflicts except. A)man vs. man B)man vs. nature C)man vs. society D)man vs. himself 2) Read the following sentences that reflects...
Thursday, December 11, 2014 at 9:38am

physics
A child and sled with a combined mass of 45.0 kg slide down a frictionless hill that is 8.79 m high. If the sled starts from rest, what is its speed at the bottom of the hill? m/s
Thursday, December 11, 2014 at 8:24am

strength of materials
a water tank is 10 m in diameter and 16m high. if the tank is to be completely filled, determine the minimum thickness of the tank plating if the stress is limited to 60 MPa
Thursday, December 11, 2014 at 8:09am

math
The Eye on Malaysia Park charges ticket for RM14 for an adult and RM8 for children. During the school holiday, the price of the children's ticket increased for about quarter than its normal price while the prices of adult's ticket are double. December last year, the ...
Thursday, December 11, 2014 at 6:00am

english
correct the fragments by combining the fragment introduced by a subordinate conjunction with the sentence before or after it to form a complex sentence. He had breakfast. Before he left for school. It was six o'clock. my answer: It was six o'clock. He had breakfast ...
Thursday, December 11, 2014 at 4:40am

math
cylindrical tank of radius 4m and 7m high.if poured into the tank of 6m diameter .how high is the water?
Thursday, December 11, 2014 at 3:47am

Physics
An 85.7N box of clothes is pulled 26.2m up a 31.7 degree ramp by a force of 112N that points along the ramp. The acceleration of gravity is 9.81 m/s^2 How high does it rise above the point of release? What i got as the equation is Einitial +- work = Efinal
Thursday, December 11, 2014 at 1:01am

Sixth Grade Math
Leland wants to paint a portrait for his parents using a photograph of them that is 5 inches wide by 8 inches high. He wants the portrait to be proportional to the photograph and 42 inches high. Which proportion can Leland use to find w, the width he needs to use to make the ...
Thursday, December 11, 2014 at 12:22am

algebra2
At a hot air balloon festival jim watches a hot air balloon rise form a distance of 200 yards. A:From jims position the ballon seen to hover at angle of elevation of 50 What is the height of the ballon B:After a while the ballon seems to hover at an angle of 75 how high is it ...
Wednesday, December 10, 2014 at 11:32pm

math
A total of 121 people came to the school science fair this year. This is 7 more than twice the number of people who came to last years science fair. How many people came last year?
Wednesday, December 10, 2014 at 11:28pm

Physics
An 85.7N box of clothes is pulled 26.2m up a 31.7 degree ramp by a force of 112N that points along the ramp. The acceleration of gravity is 9.81 m/s^2 How high does it rise above the point of release? What i got as the equation is Einitial +- work = Efinal
Wednesday, December 10, 2014 at 11:27pm

Math
An oil company owns two refineries. The daily production limits and operating costs for each refinery are given in the table below. An order is received for 1540 barrels of high-grade oil, 1650 barrels of medium-grade oil, and 2860 barrels of low-grade oil. How many days ...
Wednesday, December 10, 2014 at 11:09pm

algebra2
A kite string is 102 feet long. the angle between the kite string and the ground is 54.9. how high is the kite
Wednesday, December 10, 2014 at 10:49pm

math
about 79% of your class voted to have a pizza party on the last day of school.Your class has 31 students .Estimate how many students voted to have a pizza party
Wednesday, December 10, 2014 at 9:44pm

math
which variable had greater variability number of hours of school work and the number of hours watching television
Wednesday, December 10, 2014 at 9:11pm

English check
Which is correct? For this section, choose the answer choice that represents the correctly punctuated sentence. 1. A. The tall, dark, and handsome man was actually a con artist, and he fooled his friends for years. B. The tall, dark, and handsome man was actually a con artist ...
Wednesday, December 10, 2014 at 9:08pm

Physics
A 0.340 kg block on a vertical spring with a spring constant of 4.09 × 103 N/m is pushed downward, compressing the spring 0.0700 m. When released, the block leaves the spring and travels upward vertically. The acceleration of gravity is 9.81 m/s2 . How high does it rise ...
Wednesday, December 10, 2014 at 8:11pm

Algebra
How would you explain to a seventh grader the difference between the domains of an odd root radical function and an even root radical function? How would you change your explanation for someone who had taken high school algebra?
Wednesday, December 10, 2014 at 4:15pm

Sociology
Studies have found that couples who choose to remain childless often have high levels of education and income low levels of education and income infertility none of the above
Wednesday, December 10, 2014 at 9:46am

D J HIGH SCHOOL SOST GOJAL PAKISTANmaths trignometry
from an observation point the angle of depression of two boats in line with this point are found to 30 degrees and 45 degrees .find the distance between the two boats if the point of observation is 4000 feet high.
Wednesday, December 10, 2014 at 6:54am

Biology
"Emma has difficulty sleeping. Her doctor prescribes Deflex. Deflex is a drug which affects the nervous system. Suggest and explain how Deflex affects the nervous system to help Emma sleep." I have missed a lot of time off of school and I understand how the nervous ...
Wednesday, December 10, 2014 at 4:55am

Language arts Check answers please!!
The Cay Which of the following passages from the novel best describes the setting? A) I was not frightened just terribly excited B) The fort looks as though it came out of a storybook with gun ports along the high wall that face the sea ***** I choose this one! C) My mother ...
Wednesday, December 10, 2014 at 1:10am

Physics
Sir can you help me to solve this question on Physics Two persons p and q are standing 100m away from a high wall and seperated by distance d. P claps and q hears two sound (direct and echo) with a time difference of 0.2sec. Find the distance between p and q
Tuesday, December 9, 2014 at 11:49pm

Abnormal Psychology
I need help diagnosis this case for my abnormal psychology review. Mr. B is a 20-year-old male college student who was recently arrested for possession of marijuana, which was detected when he was stopped for un¬safe driving. He was charged with driving while intoxicated ...
Tuesday, December 9, 2014 at 9:26pm

Physics
A player passes a 0.600-kg basketball down court for a fast break. The ball leaves the player's hands with a speed of 8.20m/s and slows down to 7.30m/s at its highest point.Ignoring air resistance, how high above the release point is the ball when it is at its maximum height?
Tuesday, December 9, 2014 at 7:47pm

Psychology
Individuals who naturally exhibit low levels of brain arousal and nervous system reactivity are more likely to: A. Score high in measures of agreeableness B. Score low in measures of agreeableness. C. Score low in measures of sensation seeking D. Score high in measures of ...
Tuesday, December 9, 2014 at 5:52pm

English
My daughter has a worksheet due tomorrow and is stressing because she read the book Dragonwings and didn't get it at all and doesn't get the worksheet and i cant read it and help her,please help 1)Why doesn't Moon Shadow attend public school?How is he being ...
Tuesday, December 9, 2014 at 5:22pm

English
Writers often make common errors by omitting punctuation. Identify and explain the sentence structure error in the following sentence: Tabitha drove to school she took her math test she drove home in the afternoon.
Tuesday, December 9, 2014 at 5:12pm

English
In the book dragonwings why doesn't moon shadow attend public school? How is he being educated?
Tuesday, December 9, 2014 at 4:40pm

math
Emily spent 1/2 of her money at the store. Then she spent 1/2 of what was left at the bakery. next she spent 1/2 of what was left at the music store. She spent the remaining$6.00 at school. How much money did Emily start with?
Tuesday, December 9, 2014 at 3:58pm

English
Rewrite the following sentences in order to correct the punctuation. In the morning Shelby ate a peanut butter sandwich and an apple she rode her bike to school. After running the half marathon; Amelia was too tired to walk her dog.
Tuesday, December 9, 2014 at 2:31pm

English
1. He must have been late for the school. 2. He muse have been late for school. --------------------------- Which one is grammatical? Do we have to put 'the' before 'school'?
Tuesday, December 9, 2014 at 4:35am

math(5th grade)
Gino wants to travel from home to school. Find how many routes are possible if he does not travel in a northerly direction.
Tuesday, December 9, 2014 at 2:33am

physics I
A lost shipping container is found resting on the ocean floor and completely submerged. The container is 5.4 m long, 2.3 m wide, and 2.4 m high. Salvage experts attach a spherical balloon to the top of the container and inflate it with air pumped down from the surface. When ...
Monday, December 8, 2014 at 8:35pm

Math Help
1.The Census Bureau estimates that in 2025, 20 of 50 states will have a Spanish-speaking majority. What percent of the states will have a Spanish-speaking majority? A. 20% B. 30% C. 40%*** D. 50% 2. What percent of 25 is 10? A. 10=p*25;40% B. 10=p*25;250% C. 25=p*10;40% D. 25=...
Monday, December 8, 2014 at 5:47pm

Reading
Complete the sentence with the word that is in parenthesis. (fulfill) My sister picked me up from school.....
Monday, December 8, 2014 at 3:48pm

physics
An egg rolls off a kitchen counter and breaks as it hits the floor. The counter is 1.0 m high, the mass of the egg is about 50 g, and the time interval during the collision is about 0.010 s. How large is the impulse that the floor exerts on the egg? use equations of motion to ...
Sunday, December 7, 2014 at 6:47pm

Psychology Questions
I need help with a couple Psychology questions. 1. For most people, the ability to create language originates in the________. A. hypothalamus B. thalamus C. right hemisphere D. left hemisphere **My answer=D 2. Facts leanred in classes at school become part of the _______ ...
Sunday, December 7, 2014 at 3:15pm

Physics
. How much potential energy does the 2.5 kg rock sitting on an 18 –meter high cliff have?
Sunday, December 7, 2014 at 2:43pm

ilays high school
what is a volume 2 mole of hydrochloric acid will neutralize 25 cent meter cubic of sodium carbonate solution
Sunday, December 7, 2014 at 12:35pm

science
Baseball of 0.15 kg is thrown upward at an initial velocity of 35 m/s . tow seconds later a 20 g bullet is fired at 250 m/s into the rising baseball . How high will the combined bullet and baseball rise
Sunday, December 7, 2014 at 9:29am

Math
Scummydale Senior High School has 8 math teachers and 4 history teachers. Suppose that a committee of 8 of those teachers is formed to attend a local conference.
Saturday, December 6, 2014 at 8:21pm

Science
Baseball of 0.15 kg is thrown upward at an initial velocity of 35 m/s . tow seconds later a 20 g bullet is fired at 250 m/s into the rising baseball . How high will the combined bullet and baseball rise.
Saturday, December 6, 2014 at 4:44pm

physical
Baseball of 0.15 kg is thrown upward at an initial velocity of 35 m/s. tow second later a 20 g bullet is fired at 250 m/s into the rising baseball . how high will the combined bullet and baseball rise.
Saturday, December 6, 2014 at 1:35pm

AP Chemistry
What is the Van't Hoff Factor of MgSO4*7H2O? We're doing a colligative properties lab at my school where we dissolve various amounts of MgSO4 in 100 grams of water. What value/range of values should I expect the Van't Hoff Factor to be?
Saturday, December 6, 2014 at 10:41am

science
a 25 kg ball is trown into that air.when thrown it is going 10 m/s .calculate how high it travel
Saturday, December 6, 2014 at 10:26am

physics
A ship maneuvers to within 2.47×103 m of an island’s 1.76 × 103 m high mountain peak and fires a projectile at an enemy ship 6.13 × 102 m on the other side of the peak, as illustrated. The ship shoots the projectile with an initial velocity of 2.54×...
Saturday, December 6, 2014 at 1:27am

Math
Q. As a project,the fifth grade students at Scott Elementary School collected newspaper to recycle. During the first week, they collected 212 pounds of newspapers. For each of the next four weeks,they doubled the previous week's amount of the newspaper collected. What was ...
Friday, December 5, 2014 at 9:22pm

Physics
A projectile is shot straight up from the earth's surface at a speed of 1.20 x 104 km/hr. How high does it go?
Friday, December 5, 2014 at 8:15pm

Reading
Doesn't it seem (abnormal,insubordinate) for a bright young person to show no interest in taking part in any school activities?
Friday, December 5, 2014 at 6:17pm

Algebra
Please help me to to solve this quadratic equation word problem. Here is the question: The Abacus. The Chinese abacus consists of a frame, parallel wires, and beads that are moved to perform arithmetic computations. The frame is 21 Centimeters longer than it is high, which is ...
Friday, December 5, 2014 at 3:55am

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