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September 21, 2014

Homework Help: High School

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School Physics
A large charge distribution Q exists at the center of a cube. It is surrounded by six smaller charges, q , each facing a direction perpendicular to a face of the cube.What is the electric flux through one of the sides of the cube?
Sunday, October 27, 2013 at 2:50pm

is this good U.S. History essay
John D. Rockefeller, Cornelius Vanderbilt, Andrew Carnegie were all big business leaders in the 1800s. Some Americans viewed these business leaders as “robber barons” but others saw them as “Captains of industry”. People classified Rockefeller as “...
Thursday, October 24, 2013 at 7:37pm

Math
Need help with how to work the problem below. The answer key says the answer is 12,700 mi squared but I don't know how they got that. "The athletic dept. at Pi High School is planning a circular track 400 m long. The area inside the track will be planted with sod. ...
Thursday, October 24, 2013 at 4:33pm

physics
A person jumps from the roof of a house 4.0-m high. When he strikes the ground below, he bends his knees so that his torso decelerates over an approximate distance of 0.66m. If the mass of his torso (excluding legs) is 42kg , what is the magnitude of the average force exerted ...
Thursday, October 24, 2013 at 4:08am

Science: Fluids in motion
I'm just currently reading my science book and I just thought of a few questions.. Why are water molecules have a high attraction of glass? And why are their adhesion higher than their cohesion?
Thursday, October 24, 2013 at 2:38am

physics
A place kicker must kick a football from a point 34.0 m (about 37 yd) from the goal. As a result of the kick, the ball must clear the crossbar, which is 3.05 m high. When kicked, the ball leaves the ground with a speed of 21.0 m/s at an angle of 56◦ to the horizontal. To...
Wednesday, October 23, 2013 at 10:09pm

Math
Central middle school sold 50 tickets for one night at the school play. Student tickets sold for 2$ each and adult tickets sold for 3$ each. They took in 135$. How many of each type of ticket did they sell?
Wednesday, October 23, 2013 at 9:47pm

Math
Central middle school sold 50 tickets for one night at the school play. Student tickets sold for 2$ each and adult tickets sold for 3$ each. They took in 135$. How many of each type of ticket did they sell?
Wednesday, October 23, 2013 at 9:45pm

Counting/ Probability
I dont understand this problem at all, all help is appreciate Maya is invited to a wedding. She gets all the items (dresses, blouses, dress pants, shoes, necklaces and a scarf) she finds suitable to wear out of her closet. a) Maya has two dress pants and four blouses. How many...
Wednesday, October 23, 2013 at 8:51pm

math
Out of 32 students in a class, 5 said they ride their bikes to school. Based on these results predict how many of the 800 students in the school ride their bikes in school.
Wednesday, October 23, 2013 at 6:27pm

Counting and probability
I have no idea on how to do this, please help! Maya is invited to a wedding. She's gets all the items (dress pants, shoes, necklaces and a scarf) she finds suitable to wear out of her closet. A) Maya has two dress pants and four blouses. how many outfits does she have ...
Wednesday, October 23, 2013 at 6:02pm

TO ALL TURORS
I would just like to say that your work is very much appreciated. I honestly believe that you are genuine and helpful people who bring joy to student's understanding of learning. Your voluntary work is performed at a high standard and I would personally want to thank you ...
Wednesday, October 23, 2013 at 4:20pm

TO ALL TEACHERS
I would just like to say that your work is very much appreciated. I honestly believe that you are genuine and helpful people who bring joy to student's understanding of learning. Your voluntary work is performed at a high standard and I would personally want to thank you ...
Wednesday, October 23, 2013 at 3:46pm

Physical science
A ramp is 2.8 meters long and 1.2 meters high. How much power is needed to push a box up the ramp in 4.6 seconds with a force of 96 N?
Wednesday, October 23, 2013 at 12:52pm

HELP!! Chemistry
1. Calculate the density of a material that has a mass of 52.497 g and a volume of 18.5 cm3. 2. A student finds a rock on the way to school. In the laboratory he determines that the volume of the rock is 29.7 cm3, and the mass in 139.943 g. What is the density of the rock? 3. ...
Wednesday, October 23, 2013 at 11:54am

engineering
A compartment measures 3 meters by 5 meters and is 2.8 meters high. A fire raises the temperature from 20oC to 1000 oC. If the starting pressure was 1 atmosphere, what pressure is present at the elevated temperature assuming the compartment remains closed?
Wednesday, October 23, 2013 at 10:49am

Physics
At 1:00 p.m. a car, traveling at a constant velocity of 80 km/h toward the west, is 31 km to the west of our school.
Wednesday, October 23, 2013 at 10:40am

english
Please help me. I wanna make sure if all corrects this. Thanks. Some people are so (1)ominous to living near a nuclear plant that they want the plant’s license to be (2)nullify. They say the plant infringes on every homeowner’s right to safety. Shannon is (3)endowed ...
Wednesday, October 23, 2013 at 2:36am

math
Pencils come in cartons of 24 boxes.A school bought 50 cartons of pencils. Each box of pencils cost $2. How much did the school spend on pencils?
Tuesday, October 22, 2013 at 12:17pm

science
A bungee jumper jumps (with no initial speed) from a tall bridge attached to a light elastic cord (bungee cord) of unstretched length L. The cord first straightens and then extends as the jumper falls. This prevents her from hitting the water! Suppose that the bungee cord ...
Tuesday, October 22, 2013 at 10:48am

Mathematics--Urgent
Don is planting flowers in the school garden's planter box. The planting are is five and one-half feet long and 10 inches wide. Each plant is 2 inches wide. There must be 8 inches of space between the flowers. What is the largest number of plants he can put into the ...
Monday, October 21, 2013 at 9:09pm

physics
a projectile with mass (m)=35grams is placed on a vertically positioned spring. the spring constant (k)=6500N/m. the projectile is launched straight up into the air by compressing the spring a distance (x)=8cm.How high does the projectile go?
Monday, October 21, 2013 at 9:04pm

physics
a projectile with mass (m)=35grams is placed on a vertically positioned spring. the spring constant (k)=6500N/m. the projectile is launched straight up into the air by compressing the spring a distance (x)=8cm.How high does the projectile go?
Monday, October 21, 2013 at 9:03pm

Mathematics
Don is planting flowers in the school garden's planter box. The planting are is five and one-half feet long and 10 inches wide. Each plant is 2 inches wide. There must be 8 inches of space between the flowers. What is the largest number of plants he can put into the ...
Monday, October 21, 2013 at 6:13pm

U.S. History
I have to have an introductory paragraph with thesis statement and a good tone is this good? John D. Rockefeller, Andrew Carnegie, Cornelius Vanderbilt, were all big business leaders in the 19th century. But many people questioned whether America should view these three men as...
Monday, October 21, 2013 at 5:28pm

Physics Classical Mechanics
A bungee jumper jumps (with no initial speed) from a tall bridge attached to a light elastic cord (bungee cord) of unstretched length L. The cord first straightens and then extends as the jumper falls. This prevents her from hitting the water! Suppose that the bungee cord ...
Monday, October 21, 2013 at 10:02am

physics
1.what is the final velocity of a hoop that rolls with out slipping down a 3.00m high hill starting at rest? 2. a 1.80 m radius playground merry go round (disk = 1/2 m r^2) hass a mass of 120 kg and is rotating with an angular velocity of .600 rev/s. what is the angular ...
Monday, October 21, 2013 at 8:59am

Water Treatment
a)What would be the advantage of placing softening before cascade aeration? (Only one answer can be correct). Low oxygen concentration /Less pumping phases /High ammonium concentration /Less carbondioxide removal during cascade aeration b) What would be the disadvantage of ...
Monday, October 21, 2013 at 5:54am

Physics
A laborer is throwing 12 bricks per min from the ground and these just reach the roof which is 3.3 meters high. if the weight of each bricks be 3.75 kg then find the horse power with which the laborer is working.
Monday, October 21, 2013 at 5:42am

biology (Help please!!!)
1. If a student pours a solution of salt water on an elodea leaf, what is it an example of? 2.A child pours salt crystals on the body of a slug he finds in the backyard. Options are: high concentration, low concentration, osmosis, diffusion, hypertonic solution, and hypotonic ...
Sunday, October 20, 2013 at 11:54pm

Economics.
What does, "What are two strategies might you employ in order to create and maintain a high demand for stained glass windows. Be sure to consider what would work best for your targeted customer base." mean? NOTE: My targeted customers are: In their middle to older ...
Sunday, October 20, 2013 at 5:28pm

Psychology/ Ms Sue
Please check my answers 1. During puberty, boys testosterone production increases up to 5 times the level in childhood? True 2. Babies of teenagers have a higher risk of birth complications? True 3. Most STIs are fatal if not treated properly? False 4. Analytic thinking and ...
Sunday, October 20, 2013 at 4:42pm

college physics
Why do the passengers in high- altitude jet planes feel the sensation of weight while passengers in the International Space Station do not?
Sunday, October 20, 2013 at 2:04pm

physic
Bungee Jumping. A bungee jumper jumps from a tall bridge attached to a light elastic cord (bungee cord) of unstretched length L. The cord first straightens and then extends as the jumper falls. This prevents her from hitting the water! Suppose that the bungee cord behaves like...
Sunday, October 20, 2013 at 1:15pm

Projectile motion
A cannon is fired from a cliff top 15m high and at 30 degrees. It takes 3 seconds for canon to reach the earth, what is the initial velocity of the cannon
Sunday, October 20, 2013 at 10:17am

math
the trajectory, of the projectile satisfies the following equation,wher g is the acceleration due to gravity, y=mx-g/2v^2(1+m^2)x^2 where y as the vertical rise, and x asthe horizontal component of the displacement. A football is kicked with initial velocity v= 80 fett per ...
Sunday, October 20, 2013 at 8:19am

Statics
Lilly collects data on a sample of 40 high school students to evaluate whether the proportion of female high school students who take advanced math courses in high school varies depending upon whether they have been raised primarily by their father or by both their mother and...
Saturday, October 19, 2013 at 6:59pm

Physics
To win the game, a place kicker must kick a football from a point 40 m (43.744 yd) from the goal, and the ball must clear the crossbar, which is 3.05 m high. When kicked, the ball leaves the ground with a speed of 23 m/s at an angle of 30.9◦ from the horizontal. The ...
Saturday, October 19, 2013 at 6:44pm

Physics
To win the game, a place kicker must kick a football from a point 40 m (43.744 yd) from the goal, and the ball must clear the crossbar, which is 3.05 m high. When kicked, the ball leaves the ground with a speed of 23 m/s at an angle of 30.9 ◦ from the horizontal. The ...
Saturday, October 19, 2013 at 6:41pm

english
D. She considers it part of her heritage. 14. What pronoun would be used for the narrator(s) of a story such as “A Rose for Emily,” which is written in the first-person, plural point of view? A. I C. We B. You D. He 15. In the dramatic point of view, the author A. ...
Saturday, October 19, 2013 at 2:37am

Algebra 1
The length of the shadow of a building is 2 feet more than 2/3 the height of the building and it is also 12 feet less than the height. How high is the building?
Friday, October 18, 2013 at 6:10pm

functions Steve and Reiny
I want to thank you both for your help and no sir I have never dealt with functions before as I am 44 years old and going back to school, I am taking an online class my textbooks are not scheduled to arrive until Nov 1, so I am a little lost but hey thank you both once again, ...
Friday, October 18, 2013 at 5:41pm

Art
Why is it very important, to do Creative ART, in school, Colleges, and ETC.?
Friday, October 18, 2013 at 11:43am

math
For a school Halloween party, Brad and Eric had a total of 20 yards of material to make costumes. Brad uses three times more material to make his costume than Eric used and 2 yards of material were left over. How many yards did Brad and Eric use?
Friday, October 18, 2013 at 9:26am

Geology
Can someone please help me with my review? 1)What grade of metamorphism common rocks are formed in- --- Is it high grade? 2)What is the name of the most rapid kind of mass wasting is> -- Weathering? 3)How to tell is a rock is igneous, metamorphic or sedimentary. 4)How to ...
Thursday, October 17, 2013 at 11:50pm

Geogoly
Can someone please help me with my review? 1)What grade of metamorphism common rocks are formed in- --- Is it high grade? 2)What is the name of the most rapid kind of mass wasting is> -- Weathering? 3)How to tell is a rock is igneous, metamorphic or sedimentary. 4)How to ...
Thursday, October 17, 2013 at 11:42pm

Health
In your life, you will face some decisions that are so serious that you will want to consult others. These are decisions that will affect your life and your health. In the following questions, you are asked to apply the Great Decisions model to a decision you have made with ...
Thursday, October 17, 2013 at 9:26pm

Health
Read the passage below, and then answer the questions that follow. "As Marty pulled away from the curb, he thought about Sina's answer. He didn't understand it. Her response was ambiguous. Marty thought that maybe she wouldn't skip school with him and his ...
Thursday, October 17, 2013 at 8:10pm

Health
1). State how each of the six risk behaviors could affect one of your goals. A: Each of the six risk factors could affect my goal of becoming an actress immensely. Drug and alcohol use, poor dietary problems, and tobacco use could harm my physical health, making me unable to ...
Thursday, October 17, 2013 at 7:36pm

Health
1). Explain the relationship between the key terms in each of the following. a. direct pressure and indirect pressure b. goal and action plan A: a. Direction pressure is the pressure that results from someone who tries to convince you to do something you normally wouldn't ...
Thursday, October 17, 2013 at 5:04pm

Pysics
Marbles rolling down the ramp and horizontally off your desk consistently land 46.0 cm from the base of your desk. Your desk is 78.5 cm high. If you pull your desk over to the window of your second story room and "launch" marbles to the ground (6.04 meters below the...
Thursday, October 17, 2013 at 4:41pm

school of engineering
police officer in a patrol car parked in a70km/h observes a passing auto mobile travelling at a slow constant speed believing that of the automobile might be intoxicated the officer starts his car accelerate uniformly to 9km/h in 8s.and maintaining a constant velocity of 90km/...
Thursday, October 17, 2013 at 4:06pm

Education
Which of the following statements about discipline is true? A) High SES parents spank more than low SES. B) Latino parents spank more than African American parents. C) African American parents spank more than White parents. D) Most cultures teach children to look the ...
Thursday, October 17, 2013 at 3:54pm

MATH
On a particular day, the school cafeteria offered 3 types of juice, 2 types of cereal, and 3 types of bread during breakfast. How many different meals can be formed of 1 juice, 1 cereal, and 1 type of bread?
Thursday, October 17, 2013 at 2:56pm

physics
A rocket moves upward, starting from rest with an acceleration of 29.4 m/s2 for 5.65 s. It runs out of fuel at the end of the 5.65 s but does not stop. How high does it rise above the ground?
Thursday, October 17, 2013 at 1:18pm

physics
A small steel ball rolls off a table (1 meter high) with a speed of 2 m/s. Where should they place a can (15 cm high; diameter 10 cm) to catch the ball?
Thursday, October 17, 2013 at 12:42am

school of engineering
A train of mass 200 tonne travelling at 140 km/hour applies the brakes fiercely, so that the brakes lock and the wheels slide along the rails. It stops after sliding 1000m. Calculate: (i) The acceleration, (ii) The longitudinal force on the rails, (iii) The coefficient of ...
Wednesday, October 16, 2013 at 11:20am

school of engineering
A train of mass 200 tonne travelling at 140 km/h applies the brakes fiercely , so that the brakes lock and the wheels slides along the rails.it stops sliding 1000m. calculate. 1. The acceleration. 2. The longitudinal force on the rail. 3. The coefficient of friction between ...
Wednesday, October 16, 2013 at 10:43am

physics
A rocket moves upward, starting from rest with an acceleration of 28.1 m/s2 for 4.76 s. It runs out of fuel at the end of the 4.76 s but does not stop. How high does it rise above the ground?
Wednesday, October 16, 2013 at 1:45am

math
A Competition Onstage Ever since Lisa auditioned for the musical Annie in the third grade, she had been seriously interested in musical theater. She loves to sing, dance, and act. She performs in two or three shows in her city each year. This year, Lisa was excited to audition...
Tuesday, October 15, 2013 at 5:32pm

psychology
lesson 15 psychology question james has just lost his wife of 35 years to breast cancer. studies have shown that he will be at high risk for physical ailments, illness, and possibly death for the next :
Tuesday, October 15, 2013 at 5:24pm

math
Assume each kid in the after school program will get 1/2 cup of lemoade. For each mix, how many batches are needed to make enough lemonade for 120 kids?
Tuesday, October 15, 2013 at 4:18pm

school of engineering
A train of mass 200 tonne travelling at 140 km/h applies the brakes fiercely , so that the brakes lock and the wheels slides along the rails.it stops sliding 1000m. calculate. 1. The acceleration. 2. The longitudinal force on the rail. 3. The coefficient of friction between ...
Tuesday, October 15, 2013 at 7:08am

school of engineering
a motor of mass 1500 kg accelerates from 50 km/h to 100 km/h in 10 seconds.calculate. (i)The acceleration in metre/second2. (ii)The distance travelled. (iii)The force on the vehicle.
Tuesday, October 15, 2013 at 6:59am

physics
A ball is thrown horizontally from the top of a building 32.3 m high. The ball strikes the ground at a point 110 m from the base of the building. The acceleration of gravity is 9.8 m/s 2 . Find the time the ball is in motion. Answer in units of s
Monday, October 14, 2013 at 10:37pm

English
I read a lot of books for school, so watching movies is better for me. (What is the meaning of 'school' here?)
Monday, October 14, 2013 at 9:37pm

Science
A boy standing on a high diving board has a mass of 45 kg and a total gravitational potential energy of 2700 j. How high is the diving board? What is the answer to this question and how did you come up with the answer.
Monday, October 14, 2013 at 5:59pm

Statistics
Smoking habit Socioeconomic status High Low Smoking 15 40 55 Not smoking 25 10 35 Total 40 50 N=90 a. For these ordinal variables, which hypothesis testing is appropriate to test the relationship between SES and smoking habits variable? b. Write the HO and H1 c. Perform the ...
Monday, October 14, 2013 at 3:42pm

statistics
1. In an ANOVA, one group has a much larger sample mean than the other. The analyst decides to remove this group and to conduct the analysis on the remaining groups only. Which of the following statements is correct? Select one: a. This analysis is not correct, as now the ...
Monday, October 14, 2013 at 7:36am

macroeconomics
on the other hand could the output of the economy for the future generation set forth in high level if the consumer consumed their disposable income after the taxes deducted on their income received from firm?
Monday, October 14, 2013 at 1:55am

macroeconomics
on the other hand could the output of the economy for the future generation set forth in high level if the consumer consumed their disposable income after the taxes deducted on their income received from firm?
Monday, October 14, 2013 at 1:52am

macroeconomics
is high income good?could the growth rate of the economy will become high if the individual tend not to consume the income receive by them from firm?
Monday, October 14, 2013 at 1:48am

chemistry
Electron exhibiting a particle wavelength of 6.81 x 10-9 are emitted from hydrogen atoms after interaction with high energy photons. Assuming that the electrons in the hydrogen atom were in their ground state prior to interaction, determine the wavelength of the photon which ...
Sunday, October 13, 2013 at 6:43pm

help
Assume that the salaries of elementary school teachers in the U.S. are normally distributed with a mean of $37,000 and standard deviation of $3500. The cutoff salary for teachers in the bottom 12% is
Sunday, October 13, 2013 at 12:23pm

college essay
can someone help me edit this My Song My existence thus far has been a musical performance. The world is my stage, the platform upon which I express myself creatively. My life is the reputable melody that I play on my guitar, and the notes are my memories and life experiences...
Sunday, October 13, 2013 at 9:39am

Chemistry
Electron exhibiting a particle wavelength of 5.2 x 10-9 are emitted from hydrogen atoms after interaction with high energy photons. Assuming that the electrons in the hydrogen atom were in their ground state prior to interaction, determine the wavelength of the photon which ...
Sunday, October 13, 2013 at 4:44am

Chemistry
Electron exhibiting a particle wavelength of 4.02 x 10-9 are emitted from hydrogen atoms after interaction with high energy photons. Assuming that the electrons in the hydrogen atom were in their ground state prior to interaction, determine the wavelength of the photon which ...
Sunday, October 13, 2013 at 2:25am

LA High
Find the total for the invoice below: Stock # Quantity Unit Description Unit Price Total 6729 20 ea. 15" Monitor $349.00 1259 22 ea. Cable 14.00 1152 25 ea. SCSI card 149.00 Invoice Subtotal Shipping Charges $580.00 Invoice Total
Sunday, October 13, 2013 at 2:16am

Education
Which trait is valued on the average by U.S. teachers? A) negative emotionality B) slow-to-warm-up C) high activity D) low activity I would think the answer is C, is that correct?
Sunday, October 13, 2013 at 1:17am

nutan.public.high.school.[nandni]-social.science
what is global warming
Sunday, October 13, 2013 at 12:54am

Psychology/ Ms Sue
Are my answers correct Ms Sue? 1. One of the characteristic features of school-age children is that they are more likely than younger children to try to conform to peer standards in such matters as clothing and language? True 2. School age children have a more elaborate ...
Saturday, October 12, 2013 at 4:41pm

Survey Math
A survey of 240 10th grade students in a local High School found that there were 140 girls and 100 boys in the grade. Of the 140 girls, 100 preferred gym class while 40 preferred art class. Of the 100 boys, 40 preferred gym class while 60 preferred art class. Construct a data ...
Saturday, October 12, 2013 at 11:20am

CHEMISTRY...........
1. If 29.0 L of methane, CH4, undergoes complete combustion at 0.961 atm and 140°C, how many liters of each product would be present at the same temperature and pressure? My answer: (0.961 atm)(29.0 L) (413k) all divided by (413)(0.961 atm)=29.0 L CO2 29.0 L CO2 x 2LH2O/...
Friday, October 11, 2013 at 10:58pm

physics
Pilots of high-performance fighter planes can be subjected to large centripetal accelerations during high-speed turns. Because of these accelerations, the pilots are subjected to forces that can be much greater than their body weight, leading to an accumulation of blood in the...
Friday, October 11, 2013 at 9:10pm

math
Ram Dubey recently purchased a chain of dry cleaners in North Uttar Pradesh. Although the business is making a modest profit now, Ram suspects that if he invests in a new press, he could recognize a substantial increase in profits. The new press costs $ 15,400 to purchase and ...
Friday, October 11, 2013 at 12:28am

math
Mary is baking cookies for her school bake sale. For every 5 chocolate chip cookies she makes 2 oatmeal raisin cookies. If she keeps this ratio, and bakes 84 cookies total, what will be the ratio of chocolate chip cookies to oatmeal raisin cookies?
Thursday, October 10, 2013 at 9:08pm

Chemistry
Please help and explain each problem. PLEASE!!!! 1. If 29.0 L of methane, CH4, undergoes complete combustion at 0.961 atm and 140°C, how many liters of each product would be present at the same temperature and pressure? 2 If air is 20.9% oxygen by volume, a. how many ...
Thursday, October 10, 2013 at 8:41pm

Math Word Problem
During the summer throughout high school and for a year after, Lewis worked as a lifeguard at the beach. In that 5-year period, he saw a total of 461 dolphins swimming in the distance. About how many did Lewis spot per summer in the 5 summers he worked?
Thursday, October 10, 2013 at 7:57pm

CHEMISTRY
1. If 29.0 L of methane, CH4, undergoes complete combustion at 0.961 atm and 140°C, how many liters of each product would be present at the same temperature and pressure? 2 If air is 20.9% oxygen by volume, a. how many liters of air are needed for complete combustion of 25...
Thursday, October 10, 2013 at 7:06pm

math
what are some arrays that add up to 24 are at least 2 high but no taller than 8 high?
Thursday, October 10, 2013 at 4:44pm

Physics
High-speed motion pictures (3500frames/second) of a jumping 280ìg flea yielded the data to plot the flea's acceleration as a function of time as shown in the figure (Figure 1). This flea was about 2 mm long and jumped at a nearly vertical takeoff angle. Find the ...
Thursday, October 10, 2013 at 9:45am

English
1. I went on a school field trip to Jeju Island. 2. I went on a school trip to Jeju Island. 3. I went on a study trip to Jeju Island. 4. I went on a study tour to Jeju Island. 5. I went on a study travel to Jeju Island. 6. I went on a field trip to Jeju Island. (Which ...
Thursday, October 10, 2013 at 4:55am

CHEMISTRY........
i TRIED TO DO IT, BUT MY ANSWERES ARE WRONG. Please show work and explain. 1. If 29.0 L of methane, CH4, undergoes complete combustion at 0.961 atm and 140°C, how many liters of each product would be present at the same temperature and pressure? 2 If air is 20.9% oxygen by...
Thursday, October 10, 2013 at 1:03am

Algebra 2
At the ruins of Caesarea, archaeologists discovered a huge hydraulic concrete block with a volume of 945 cubic meters. The block's dimensions are x meters high by 12x - 15 meters long by 12x - 21 meters wide. What is the height of the block? Can someone please show me how ...
Wednesday, October 9, 2013 at 9:18pm

math
At the ruins of Caesarea, archaeologists discovered a huge hydraulic concrete block with a volume of 945 cubic meters. The block's dimensions are x meters high by 12x - 15 meters long by 12x - 21 meters wide. What is the height of the block? I have no idea how to do this. ...
Wednesday, October 9, 2013 at 8:30pm

Language Arts
2) Read the following passage from “Icarus and Daedalus”: He fell like a leaf tossed down the wind, down, down, with one cry that overtook Daedalus far away. When he returned, and sought high and low for the poor boy, he saw nothing but the bird-like feathers afloat ...
Wednesday, October 9, 2013 at 7:21pm

Math
The average high temperature in Alaska in January is -37F. If the average high temperature in Siberia for January is -83F how much warmer is it in Alaska compared to Siberia? A.120 B.54 C.46 D.36 C
Wednesday, October 9, 2013 at 6:29pm

Calculus
Gravel is being dumped from a conveyor belt at a rate of 10 cubic feet per minute. It forms a pile in the shape of a right circular cone whose base diameter and height are always equal. How fast is the height of the pile increasing when the pile is 18 feet high? (Recall that ...
Wednesday, October 9, 2013 at 3:16pm

health and fitness
CASE STUDY: CHRIS DOUBLE Chris is a high school student and is eager to gain some muscle mass. He eats a diet that consists primarily of processed foods (fast food, cafeteria, etc.). Chris is anxious to get stronger so that he can go out for the wrestling team. CLIENT ...
Wednesday, October 9, 2013 at 12:29am

Algebra
In Mr. Woo's class, 80% of students live more than half mile from school. Of those students 80% come to school by public transportation. Of those students taking public transportation, 75% takes the bus, and 75% of those students buy monthly bus passes. Nine students buy ...
Wednesday, October 9, 2013 at 12:25am

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