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High School

Trigonometry
At a point on the ground 125 ft from the base of a tower, the angle of elevation to the top of the tower has a degree measure of 38 degrees. How high is the tower

Maths
A rectangular room 8m long by 5m wide contains 129m square of air. Calculate the height of the room. I assume that the above question is a trick question. Since the room is 8m high, it then goes that the height I 8metres. Thank you.

Stat
Does anyone know how to solve for this Suppose that a principal of a local high school tracks the number of minutes his students spend texting on a given school day. He finds that the distribution of minutes spent texting is roughly normal with a mean of 60 and a standard ...

Math, NEEDS HELP EMEDIETLY!
Q: Marissa Is researching information about martial arts students. She found that 7 out of 12 martial arts students practice each day. there are 144 students at her school. Part A: Predict how many students practice every day. Part B: What Is The Sample Size? I Think the ...

stat
** I already finish these questions Can you answer so I can compare my final answers w/ yours.** Suppose that a principal of a local high school tracks the number of minutes his students spend texting on a given school day. He finds that the distribution of minutes spent ...

Math
What is the volume of a cereal box that is 2 inches thick, 12 inches high and 10 inches wide?

Physics
Two masses, mass A (1.9 kg) and B (3.3 kg) are hung on either side of a pulley. The masses each have an initial speed of 0.8 m/s, with mass B moving up. How high, in m, does mass B move after being released at this initial speed?

Chemistry<--------
Sulfur dioxide in the effluent gases from coal-burning electric power plants is one of the principal causes of acid rain. One method for reducing SO2 emissions involves partial reduction ofSO2 to H2S followed by catalytic conversion of the H2S and the remaining SO2 to ...

probability
The probability of mary,esther and john coming to school late on monday are 1/4,2/5 and1/3 respectively.draw a tree diagram to represent the information .

Statistical work
Suppose that a principal of a local high school tracks the number of minutes his students spend texting on a given school day. He finds that the distribution of minutes spent texting is roughly normal with a mean of 60 and a standard deviation of 20. a. the percentage of ...

Stat
Suppose that a principal of a local high school tracks the number of minutes his students spend texting on a given school day. He finds that the distribution of minutes spent texting is roughly normal with a mean of 60 and a standard deviation of 20. a. the percentage of ...

Physics
An egg is thrown from the top edge of a 22.9 m high building down onto an unsuspecting person standing on the ground 6.2 m from the base of the building. If the egg is tossed horizontally, at what speed, in m/s, must the egg be thrown such that it lands on the person?

Math
The school bus will be either be on time ir late. The probability that it will be on time is therefore 0.5.

Calculus
A stone is dropped from the edge of a roof, and hits the ground with a velocity of −170 feet per second. Assume the acceleration due to gravity is -32 feet per second squared. How high (in feet) is the roof?

Language Arts
The poem I'm reading is "The Importance of Being Earnest" by Oscar Wilde 1. Which sentence from the passage provides the best expression of the theme? a. "its perfectly easy to be cynical." b. "... once a week is quite enough to dine with one's own relations." c. "the truth is...

Math
A high school has 438 students with about the same number of males and females. Describe a simulation to predict how many of the first 50 students who leave school at the end of the day are female.

Math pls help me
A dance school has 54 students who learn salsa and 23 of those students also learn ballet. There are 15 students who do not learn salsa but learn ballet and 10 students do not learn either salsa or ballet. Which table best shows the relative frequency of rows for the data?

english
As a teenager, I was not obsessed about eating out. My family would eat at a restaurant at least twice a week. Every time we went anywhere, it was a challenge for my parents to find a suitable food and a nice quality restaurant. Fortunately, exception I loved the place and ...

School
The Robinson's have quite a lot of family pets. They have 3 times as many budgies as they have cats and there are a total of 30 legs between them. Complete the following statement. The Robinson's have ____cats and ____budgies. I need help, can someone show me the working out ...

science
how to find a solution with high buffer capacity?

Math
In 1995-96 academic year there were 86,087 bachelor degrees awarded. That number fell to 71,261 for 2002-2003 school year. In 2008-09 it rose to 120,488 . How much greater was the percent increase from 2003 to 2009? How much was the percent decrease from 1996 to 2003?

science
a boy whose mass is 69kg climbs a tree 10m high in 12s .calculate the work done and power developed

Math 4
There are 20 teachers and 705 students in Corey's school. What is the ratio of teachers to students? How would I solve this problem? PLZ help me! :(

Math
There are 20 teachers and 705 students in Corey's school. What is the ratio of teachers to students? Answers: A. 4/141 B. 141/4 C. 5/141 D. 141/5 My Answer: A: 4/141 Please check if I am right. Thanks!

Physics
Home Economics Math Music Physical Education Science Social Studies GRADE LEVELS Preschool Kindergarten Elementary School 1st Grade 2nd Grade 3rd Grade 4th Grade 5th Grade 6th Grade 7th Grade 8th Grade High School 9th Grade 10th Grade 11th Grade 12th Grade College Adult ...

english
complete the following sentence by filling in a suitable predicates 1,the cat 2,the school bus 3,all the students, 4,the class room 5,the boys

physics!
In its search for flying insects, a bat uses an echolocating system based on pulses of high frequency sound. These pulses are 2.0 ms in duration, have a frequency of 50 kHz, and an intensity level of 100 dB at 1.0 m from the bat’s mouth. Assume the bat produces acoustic ...

math
The winning team's score in 13 high school basketball games was recorded. If the sample mean is 54.3 points and the sample standard deviation is 11.0 points, find the 98% confidence interval of the true mean.

distribution
In a school, the IQ scores of the students have a normal distribution with a mean value of 100, and a standard deviation of 10. What is the probability that the IQ score of a randomly selected student is at least 120? (10 p)

English
1. The boy is ten years old. 2. He is a ten-year-old boy. 3. The building is ten meters tall. 4. The building is ten meters high. 5. It is a ten-meter-tall building. 6. It is a ten-meter-high builing. 7. It is a ten-meter building. (Which ones are grammatical?)

Equations
The school sold 300 tickets for a school play and collected a total of $1,150. Student tickets cost $3.00 and adult tickets cost $5.00. How many students attended the play ?

Math/Algebra
In the school election, votes were cast for Sam, Mary, and Bill in the ratio of 4:3:2. If a total of 2,178 votes were cast, how many votes did Mary receive?

School
I was just wondering... So like, my teacher drops the lowest grade every new term and when my teacher dropped my lowest grade which says "no count" next to it, my grade went down. Is this possible?

Psychology
What kind of disorder does this person. I think he have schriozophenia. Mr. Jameson is a white 42-years old man who has never been married and is currently unemployed. He was brought to the emergency room by the police for striking an elderly woman in his apartment building. ...

math
to get ready for her 1 semester of school, brie spent a total of 7.92 dollars for eight identical notebooks. what was the cost of each notebook?

math
in a school gym , 588 students were seated for an assembly in 21 equal rows. what number of students were stated in each row?

Stats - Help!!!
Two statements are given below. Select the statement for which a ratio of the measurements is meaningful. State “Neither” or “Both” if appropriate. 1 - Kasheta ran the race in 22.3 sec, and Louisa ran the same race in 26.4 sec. 2 - Juan gets out of school at 2:45 PM, ...

Stats - Help!!!
A student wanted to know the favorite lunch at a large high school with a closed campus. What is the first step in conducting a statistical study to answer the question? A. Select a random sample of students. B. State the goal of the study precisely. C. Select a random sample ...

math
Jordan travels X of a mile longer to school each day than Harrison does. combined they travel 5 1/4 miles to school how far does each travel.

Statistics
The father of a junior high school student wants to determine the most popular book among junior high students. Select the sample with the least potential bias. A. A randomly selected group of 10 book sellers B. A randomly selected group of 30 junior high students C. A ...

global history
The barbarians have broken through the ramparts. The Saracen [Moors} invasions have spread in successive waves over the South. The Hungarians swarm over the Eastern provinces...they sacked town and village, and laid waste the fields. They burned down the churches and then ...

Mathematics
1.​At your summer job with a research company, you must get a random sample of people from your town to answer a question about spending habits. Which of the following methods is most likely to be random? a. You survey customers at the local shopping mall. b. You survey ...

Math plz help!!!!
Which of the following types of information is not suited for display on a double bar graph? populations of boys and girls at three different schools number of records versus compact discs sold each week during a one ­month period at The Music Den the weekly interest rate for...

PHYSICS!!
In its search for flying insects, a bat uses an echolocating system based on pulses of high frequency sound. These pulses are 2.0 ms in duration, have a frequency of 50 kHz, and an intensity level of 100 dB at 1.0 m from the bat’s mouth. Assume the bat produces acoustic ...

Math
a. Since the purpose of an ice cube is to keep a drink cold, is it better for an ice cube to have a high volume or a low volume? I think it would better for a cube to have a high volume. Can you please check am i correct if Im not can you explain.

algebra 1
In a basketball game you score 2 points for a field goal and 1 point for a free throw. Suppose that you have scored at least 5 points a game and have a season high of 12 points a game. How many field goals and free throws could you have made in one game?

IMPORTIANT MATH
A school is fencing in a rectangular area for a playground. It plans to enclose the playground using fencing on three sides (the fourth is a wall) . The school has budgeted enough money for 75 ft of fencing material and would like to make a playground with an area of 600 ft^2...

science check
The lake water in a location in Florida has been found to contain high levels of fecal coliform. What are people in the location most likely to do? breed fish in the lake stop swimming in the lake reduce their water consumption install water filtering equipments in their ...

Algebra 1
A firework is launched from a cliff overlooking the ocean. The elevation of the firework shell, in feet above sea level, t seconds after launch is given by the expression -16t^2+157t+63. How high is the top of the cliff, in feet above sea level. We just started and my teacher ...

Mathematics
1. Which of the following is the correct definition of minerals? (1 point) a naturally occurring, inorganic solid that has a crystal shape and a definite chemical composition a naturally occurring, inorganic solid that forms through crystallization of melted materials•• a ...

Physics
A spring loaded ballistic pendulum gun requires an increasing force to load. When loading a ball of mass 0.054 kg, the spring is compressed 7.00 cm, the gun is fully loaded, and the force required is 70.0 N. a) Calculate the work required to load the gun. b) Calculate the ...

math mrs sue please help or any one
I'm in connections and this is a quiz the value of the dependent variable in a function is always blank the value o the independent variable a greater than b dependent on c equal to d less than a science class planted a tree in the school court yard that was 6 inches tall. its...

Algebra
An arrow is shot vertically upward from a platform 48 ft high at a rate of 233 ft per sec. When will the arrow hit the ground? Use the formula: h = −16t2 + v0t + h0.

Algebra
I do not understand this homework at all. Any help or elaboration would be greatly appreciated. Thanks. 100 juniors at Southwest High took the SAT test. The scores were distributed normally with a mean of 22 and a standard deviation of 3. Label the mean and three standard ...

Physics
How high would you have to lift a 0.294N mouse to do the same amount of work that you would do if you lift a 6.87 kN elephant 1.00cm?

Chemistry
You have a tank of wine that needs a 20 ppm addition of SO2. Answer the following questions. 1. To make 5 gallons of a 6% w/v SO2 solution (expressed as SO2) how much K2S2O5 (222 g/mol) should be weighed out? 2. How much of this solution (in mLs) should be added to the tank (...

yakima community college
If a certain city had a record low for the year of -30 degrees Celsius, and a record high of 38 degrees Celsius, find the temperatures in degrees Fahrenheit.

Word problem middle school
Kirk loves furbies. He has 68 curviest, each of which cost 50 percent more than the last, owing to scarcity. If his first furby cost $4, how much did his first 3 cost all together?

science pls pls pls help me
The lake water in a location in Florida had an unusual color and smell. Investigations revealed that the lake? water contained high levels of toxic fertilizers and pesticides which were carried into the lake from gardens and common areas in the location. What are people in the...

art help please
I'm trying to make a cigar box guitar for a school project, but I can't figure out what I should do for DIY tuning pegs (you can't use pre-made parts except for the strings)

Language arts unit 3 lesson 5 second read
If you have answers to 1-5 that would be great. 1. In act 1, scene 5, Scrooge sees himself as a child at school. What is revealed about his childhood in this scene? 2. In act one scene two Scrooge's nephew stops by to wish Scrooge a Merry Christmas and to invite him to dinner...

history
Which of the following is true regarding deaf and blind children in the 1800s? a.)Deaf and blind children were required to live in group homes or institutions. b.) Deaf and blind children were sent to orphanages once they reached age five. c.)Deaf and blind children were not ...

math
The student to teacher ratio is 19:1 at a local school and there is a total of 500 students and teachers. How many teachers and how many students are there. I'm not sure how to begin to set this up since I have two unknowns and not only one.

calculus
Use a(t) = -32 ft/sec2 as the acceleration due to gravity. (Neglect air resistance.) A ball is thrown vertically upward from a height of 4 feet with an initial velocity of 79 feet per second. How high will the ball go? (Round your answer to two decimal places.)

Physics
An egg is thrown from the top edge of a 22.9 m high building down onto an unsuspecting person standing on the ground 6.2 m from the base of the building. If the egg is tossed horizontally, at what speed, in m/s, must the egg be thrown such that it lands on the person?

Physics
A flying squid (family Ommastrephidae) is able to "jump" off the surface of the sea by taking water into its body cavity and then ejecting the water vertically downward. A 0.80 kg squid is able to eject 0.32 kg of water with a speed of 20 m/s. (a) What will be the speed of the...

Math :)
Since the purpose of an ice cube is to keep a drink cold, is it better for an ice cube to have a high volume or a low volume? I thought that the higher the volume, the longer the amount of time the ice cube does NOT melt. Which one is best? Thank you. :)

maths
A tower 7 metres high stands on top of building which is 9 metres high. An observer at the bottom of the building notices that, as she walks away from the building, the angle theta which the tower subtends at her eyes seems to increase in size for a certain distance and then ...

math
a tower 7 metres high stands on top of building which is 9 metres high. An observer at the bottom of the building notices that, as she walks away from the building, the angle theta which the tower subtends at her eyes seems to increase in size for a certain distance and then ...

Physics
A ball is thrown from the ground toward a cliff of height h with a speed of 30.0 m/s and an angle of 60o above horizontal. It lands on the cliff 4.00 s later. How high is the cliff? Answer: 25.5 m But having difficulty getting this answer

math
in a school with 1500 students , one student returned from vacation with a contagious flu virus on 1st January. the spread of the virus through student body is given by y=1500/1+1499e^-0.85t where y is the total number of students infected after t days. the school would cancel...

Math
Katherine spends 7 h a day in school. This includes a 30 min lunch break each day. a) Write a ratio that compares the time for her lunch break with the total time she spends at school each day. b) Write a ratio that compares the time for her lunch breaks for a week with the ...

math
A school library had 1050 books last year. There are only 950 books in the library this year. What is the percentage decrease in the number of books? Round your answer to 2 decimal places.

math
There were 60 basketball players in the school team last year. This number of basketball players increases to 80. What is the percentage in the number of basketball players?

physics
A golf ball is hit at a velocity of 30 m/s at an angle of 40˚ from the ground. a.) How high will the golf ball rise? b.) How long will it take for it to hit the ground? c.) How far will it go?

Algebra
In how many ways can 8 new teachers be assigned to 14 classes at a school, if each must be in a different class?

Genetics Help!!!!
1 ) When the kinase ATM is activated after DNA damage occurs in the cell a. it can directly phosphorylate p53, which is then stabilized b. it can directly phosphorylate p53, which is then targeted for degradation by MDM2 c. it can phosphorylate the p53 gene, leading to an ...

math
How many cubic feet are there in a room 20' long × 12' wide, with a ceiling 8' high

Elementary education
A napkin ring is being made of cast silver. It has the shape of a cylinder 1.25 inches high, with a cylindrical hole 2 inch in diameter and a thickness of 1/16 inch. How many ounces of silver are needed? [silver weighs 6 ounces per cubic inch]

Math
An ice cream cone is 5 inches high and has an opening 3 inches in diameter. It is filled with ice cream and then given a spherical top. How much ice cream is there? The top part is 1/2 of a sphere.

Math Help!!!
15. A survey about the student government program at a school finds the following results: 110 students like the program. 120 students think the program is unnecessary. 210 students plan on running for student government next year. If a circle graph were made from this data, ...

Physics
An object is thrown directly up (positive direction) with a velocity (vo) of 20.0 m/s and do= 0. How high does it rise (v = 0 cm/s at top of rise). Remember, acceleration is -9.80 m/s2.

pre ap math
a toy rocket is launched from a platform that is 48 feet high. the rockets height above the ground is modeled by h=-16t^2+32t+43. find the maximum height of the rocket find the time it will take for the rocket to reach the ground.

pre ap math
a toy rocket is launched from a platform that is 48 feet high. the rockets height above the ground is modeled by h=-16t^2+32t+43.

math
a company is designing a juice box. the box is in the shape of a rectangular prism. the base of the box is 8 1/2 inches by 4 1/2 inches, and the box is 4 inches high. if the juice fills 80% of the boxes volume, find the volume of juice in the box.

Algebra II
A car’s headlight contains a parabolic reflector. A special bulb with two filaments is used to produce the high and low beams. The filament placed at the focus produces the high beam and the filament placed off-focus produces the low beam. The equation of the reflector is x=...

Math-soh cah toa
A bridge is 140m long.From the ends of the bridge, the angles of depression of a point on the river under the bridge is 41° and 48°. How high is the bridge above the river to the nearest meter. ( I know the answer is 68m, I just need to know how to get that, please explain ...

calculus
Use a(t) = -32 ft/sec2 as the acceleration due to gravity. (Neglect air resistance.) A ball is thrown vertically upward from a height of 4 feet with an initial velocity of 79 feet per second. How high will the ball go? (Round your answer to two decimal places.)

calculus
Use a(t) = -32 ft/sec2 as the acceleration due to gravity. (Neglect air resistance.) A ball is thrown vertically upward from a height of 4 feet with an initial velocity of 79 feet per second. How high will the ball go? (Round your answer to two decimal places.)

Math
A mural on the school wall has an area of 4800 square inches. If the length of the mural is 1 1/13 times the width, what are the dimensions of the mural?

Science
Why is a gas able to flow? It's particles have melted and can move around. It's particles have high viscosity and can move around. It's particles have enough energy to move around. It's particles have enough pressure to move around.** not sure of the answer. please help :)

Social Studies
How were the carpetbaggers able to influence freed slaves in the south? A. They gave them land and helped them start farms. B. They took advantage of their inability to read and write. C. They promised them high-paying jobs in the newly elected government. D. They set up ...

high school chemistry
You are going to titrate 20 mL of .10M HCL with 0.10M NaOH. What is the pH at the equivalence point. How do I figure out the equivalence point when I have already figured out that the initial pH of the HCL and NaOH are both 1?

maths
two-fifth of the students in a mixed school are boys. if there are 30 girls in the school how many are boys.

maths
two-fifth of students in a mixed school are boys if there are 30 girls in the school how many are the boys

Social Studies
I only need to get these answers checked please. How were the carpetbaggers able to influence freed slaves in the south? a. They gave them land and helped them start farms b.They took advantage of their inability to read and write. c. They promised them high paying jobs in the...

Math
. If there are 1050 students in a school and the ratio of boys to girls is 9:5, then what is the number of boys in the school?

math
Three friends bought school supplies for $12.06. They will split the cost equally. How much does each person have to pay?

PHYSICS!!
The human body loses heat at a rate of 120W when sitting quietly at rest. If a 65 kg student takes 100 hours to read War and Peace by Leo Tolstoy, how high could they have been lifted if all the heat energy lost was utilised to lift them against gravity (assuming that the ...

History
Which of the following is true regarding deaf and blind children in the 1800s? a.)Deaf and blind children were required to live in group homes or institutions. b.) Deaf and blind children were sent to orphanages once they reached age five. c.)Deaf and blind children were not ...

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