In the fourth grade class at Baker Elementary, 9 students are left-handed. The fifth grade has 7 left-handed students and the sixth grade has 6. The number of students in the fourth grade is 3 times the number of left-handed students in the class. The sixth grade has 3 more ...

Math
Approximately 15% of the students in ST130 obtain A grade. If 3 students are selected at random, find the probability that a)all of them obtain A grade in ST130. b)Exactly 2 obtain A grade in ST130. c)at least one obtain A grade in ST130

Probability Math
A committee of four students will be selected from a list that contains six Grade 9 students and eight Grade 10 students. What is the expected number of Grade 10 students on the committee?

math
Able starts off counting at 13, and counts by 7. What is the 11th number that Able will say?

math
An elementary school collected a total of 240 cans during a food drive. Grade 3 students collected 1/3 of all the cans grade 4 students collected 52 cans, and the rest of the cans were collected by grade 5 students. How many cans did grade 5 collect? A.28 B.80 C.108 D.188

1) While Laurie is boiling water to cook spaghetti, the phone rings, and all 1.5 kg of water boils away during her conversation.If the water was initially at 15℃, how much heat must have been gained for all of it to turn into a water vapor? 2)By January, the 3.0 kg of ...

Finishing his ginger ale, Ramesh stands at party holding his insulated foam cup that has nothing in it but 0.100 kg of ice at 0℃. 1) In sentence above, How much more heat must be gained to raise the temperature of the melted ice to room temperature of 23.0℃? 2)...

1) Emily is testing her baby's bath water and finds that is too cold,so she adds some hot water from kettle on the stove. If Emily adds 2.00 kg of water at 80.0 degree celcius to 20.0 kg of bath water at 27.0 degree celcius , what is the final temperature of the bath water? 2...

1) Nova, whose mass is 50.0 kg, stays out skiing for too long and her body temperature drops by 2.00 degree celsius . What is the amount of heat lost from Nova's body? (cHuman body= 3470 J/kg degre celcius) 2) Phoebe's insulated foam cup is filled with 0.150 kg of the coffee (...

1) A 20 kg rock is on the edge of a 100 m cliff. a. What potential energy does the rock possess relative to the base of the cliff? b. The rock falls from the cliff. What is the kinetic energy just before it strikes the ground? c. What speed does the rock have as it strikes the...

algebra
Find the 11th term of the arithmetic sequence 7, 4.4, 1.8, -0.8, … A. -33 B. -19 C. 33 D. 19 B

Environmental science 11th
Describe how energy is produced in a nuclear reaction.

Environmental Science 11th
Compare the outlook regarding the use of nuclear power in the United States and globally in each of the following decades: 1960s, 1970s, 1980s, 1990s, and early 21st century.

math
The 6th term of an arithmetic sequence is x while the 11th is y find the 1st 2 terms

math
Hannah's grade on her last math test was 4 points more than Mark's grade. Write an expression for Hannah's grade, using m as a variable. Evaluate the expression if m=92.

Math
A coffee dealer mixed 12 pounds of one grade coffee with 10 pounds of another grade of coffee to obtain a blend worth \$54. He then made a second blend worth \$61 by mixing 8 pounds of the first grade with 15 pounds of the second grade. Find the price per pound of each grade.

Math
This isn't a question for math homework but i have a really low grade in math and i want to raise it up. What can i do to get my grade up because i am getting progress reports on Monday and i want to get a really good grade.PLEASE HELP!!!!

math
Your company can make x-hundred grade A tires and y-hundred grade B tires a day, where 0≤x≤4 and y= (40-10x)/(5-x). The profit on each grade A tire is twice the profit on each grade B tire. Assuming all tires sell, what are the most profitable numbers of tire to make?

HIS 103
Good overview; how did Eastern Orthodox Christianity (which split from the Catholic Church in the mid-11th century) differ from Rome in its basic concepts and worship style?

11TH Geometry
With the image of O(-2,-1) after 2 reflections. one across the line y=-5 and line x=1

I'm supposed to choose how the italicized noun clause is used. Not so sure about the different types of noun clauses.. can someone help me? & also kinda explain the difference? 1. The chairman heard [what was said about the program.] S OP PN DO 2. A good night's sleep is [what...

SLOPE MATH
The grade of a road is its slope given as a percent. for example, a road with a 6% grade has a slope 6/100. it rises 6 feet for every 100 feet of horizontal run. describe a 100% grade. Do you think you could drive up it?could you walk up it? Is it possible for a grade to be ...

math
the grade of a road is its slope given as a percent. for example, a road with a 6% grade has a slope 6/100. it rises 6 feet for every 100 feet of horizontal run. describe a 100% grade. Do you think you could drive up it?could you walk up it? Is it possible for a grade to be ...

statistics

Math
If you are getting a B in everything else in this class but you don't do any of the news item write ups(which are 9% of your grade, then will your final grade be a B? If not a B, then what will your final grade be?

Math
If Brittany has a 49.7% grade average then for her final exam that is worth 20% of the grade and she gets a 90% what would her final grade be?

Pre algebra
Kayla has a 41% grade average. On an exam that is worth 20% of her grade she gets a 100%. What is her grade now?

Math
Kayla has a 41% grade average. Then sha takes an exam that is for 20% of her grade and gets an 100%. What is her grade now?

math
which term in the expansion of (1/(3x^2)-x)^15 is the constant term? A. 10th B. 11th C. 12th D. 13th

statistics
what the error is: a) Grade Percent Frequency A 20% B 45% C 30% D 10% F 5% (b) The following table summarizes the grade breakdown on an exam in a small statistics class with 10 students. Grade Percent Frequency A 30% B 35% C 15% D 20% F 0%

physics
Young's modulus for a rod is 4 X 4x10 to the 11th power. what strain will be produced by a tensile stress of 420 MPa? I don't know where to start with this...

College Algebra
Charlie can grade exams in 2 hours. It takes Mark 6 hours to grade the same exams. If they work together, how long will it take for them to grade the exams?

maths
The probabilities of a student getting grade A, B, C and D are 0.2, 0.3, 0.15 and 0.35 respectively. Then the probability that the student gets 1) At least C grade is __________ 2) At most C grade is ___________

Force between Charged Spheres (Physics 11th Grade)
What is the force between two small charged spheres that have charges of 2 x 10^-7 and 3 x 10^-7 if the distance of r is 30 cm. I think you use Force = the constant of K multiplied by the product of the charges divided by the square of the distance again. If you plug in the ...

Force if Distance is Doubled (Physics 11th Grade)
Two like-charged balloons, placed at a distance of .5 meters, experience a repulsive force of .32 N. What is the force if the distance between the two balloons is doubled? If you use Coulomb's Law, the equation used to find .32 N was Force = the constant of K multiplied by the...

A positively charged light metal ball is suspended between two oppositely charged metal plates on an insulating thread as shown below. After being charged once, the plates are disconnected from the battery. Describe the behavior of the ball. Thank you so much! Could you please...

I'm not sure whether this question is too difficult, or perhaps it is lacking a diagram, but I have been getting no response to this question, something I had not been not expecting. To any maths experts out there, I would absolutely LOVE your help, because I just can't get my...

In this word problem, i really need help and advice on how to solve this. What should i be doing to answer this question? Candy is being sold in two sizes. The original sizes uses a container of radius 2inces and will be sold for \$4.99. A coworker suggests doubling the sizes ...

human development 11th edition
Why is there a brief mention of religion in the life of elderly facing death? Is it bias?

Math
If a grade was drawn at random from the data shown below, what is the probability that the grade is not a B? Grade Frequency A 2 B 8 C 11 D 2 F 1 I think it is 1 out of 5 or 4 but I am not sure? Please help :) Thank you much!

Of the sixth-grade students surveyed, 12% bring their lunches to school. Suppose 24 sixth-graders do this? How many sixth-grade are at the school?

math
At Smart Middle School students are required to take 7 classes each grading period. At the end of each grading period a student is assigned a final grade (A, B, C, D or F) for each class for the grading period. A student’s overall grade point average for the grading period ...

At Smart Middle School students are required to take 7 classes each grading period. At the end of each grading period a student is assigned a final grade (A, B, C, D or F) for each class for the grading period. A student’s overall grade point average for the grading period ...

Math
At Smart Middle School students are required to take 7 classes each grading period. At the end of each grading period a student is assigned a final grade (A, B, C, D or F) for each class for the grading period. A student’s overall grade point average for the grading period ...

Two cars travel the same distance. The first car travels at a rate of 37 mph and reaches its destination in t hours. The second car travels at a rate of 54 mph and reaches its destination in 3 hours earlier than the first car. How long does it take for the first car to reach ...

comparing fractions
at Morris Elementarhy there are 45 students in each grade, four though six. In the fourth grade, 19 participate in sports after school. Two out of every six fifth grade play sports after schoo;. In the sixth-grade class, seven of every ten students are not playing sports. ...

Rachel pulls her 177N suitcase at a constant speed by pulling on a handle that makes an angle (-) with the horizontal. Using frictional force on the suitcase as 27N and Rachels force on 43N on the handle to calculate the net force. 1. What angle does the handle make with the ...

An open pipe 0.40m in length is placed vertically in a cylindrical bucket having a bottom area of 0.10 m^2. Water is poured into the bucket until a sounding tuning fork of frequency 440 Hz, placed over the pipe, produces resonance. Find the mass of water in the bucket at this ...

statistic
rank the following in increasing order and find the position and value of the 11th percentile show all work. 7 5 3 2 9 6 4 3 8 5 5 8

11th phyics
An automobile with an initial speed of 4.56 m/s accelerates uniformly at the rate of 2.4 m/s2. Find the final speed of the car after 4.4 s. Answer in units of m/s

Chemistry (11th)
Write the reaction for combustion of CH4 include the heat term.

An aircraft has a take-off speed 180km/h and length 250m from the start just before take-off a serious snag is detected in the engine and the aircraft failed to take-off. There is a wall at a distance 'd' = 230m ahead of the take-off point. The pilot applies breaks which ...

For a child's birthday party, her family perpares goodies bags for the guests. each goodie bag contains 1 notepad, 2 pencils, 1 whistle, 2 cans of silly strings, 3 gummy bear packs, and 1 yo-yo. their current inventory is 30 notepads, 50 pencils, 28 whistles, 45 cans of silly ...

what can i compare middle school to?
what can i compare middle school to? (use in metaphor), based on 6th, 7th, and 8th grade. for example playing monopoly 6th grade - buying properties, 7th grade- adjusting to the game, 8th grade - stress over money

Two oxides of lead were separately reduced to metallic lead by heating in a current of hydrogen and the following data obtained : (i) Mass of yellow oxide taken = 3.45g Loss in mass during reduction = 0.24g (ii) Mass of brown oxide taken = 1.227g Loss in mass during reduction...

-10% of my grade *82 -20% of my grade *100% *100% *100% *100% *100% *100% *100% *100% *82% -30% of my grade none -40% of my grade *76% reply as soon as possible. thank you!!!!

A flight attendant pulls her 70.0 N flight bag a distance of 263 m along a level airport floor at a constant speed. The force she exerts is 41.0 N at an angle of 52.0° above the horizontal. (a) Find the work she does on the flight bag. (b) Find the work done by the force of ...

A box without a lid is constructed from a 38 inch by 38 inch piece of cardboard by cutting in. squares from each corner and folding up the sides. a) Determine the volume of the box as a function of the variable . b) Use a graphing calculator to approximate the values of that ...

Four point charges of 89.67, 16.46, 12.1, and 19.76 microcoulombs are located at the corners of a rectangle of length 42 cm and width of 638 cm, as shown. A sodium ion is placed at the point halfway between 16.46 and 12.1, and then released from rest. What will be its speed ...

My school is planning a Math Fair. Each grade will compete with same grade team members. The rules are: TO make it fun and use Al. math strands . The problem is I don't know where or how to begin this project. Can anyone help?

Help with my research essay!? I have this assignment I have to do and its a research essay. I was wondering if this was a good topic (not too broad or not too specific) for my essay: Behind fast food, or like does fast food take effect on obesity? I've chosen to do something ...

Math
Use the data in the grade-distribution table below to construct a circle graph showing the distribution of grade types in Ike’s class. Grade..Frequency A......2 B......8 C......11 D......2 F......1 How would the graph in Exercise 7 change if there were twice as many of each ...

Math
Use the data in the grade-distribution table below to construct a circle graph showing the distribution of grade types in Ike’s class. Grade..Frequency A......2 B......8 C......11 D......2 F......1 How would the graph in Exercise 7 change if there were twice as many of each ...

Yesterday Lucy walked 2 hours and 1/2 jogged hour and covered 6.25 miles. Today she walked for 3 hours and jogged for 1 hour and covered 10.25 miles. Assuming a constant walking rate and a constant jogging rate, how fast did she walk and how fast did she jog? Define two ...

Algebra 1A
From a base elevation of 8200 ft. a mountain peak in colorado rises to a summit elevation of 14588 ft. over a horizonal distance of 15842 ft. find the grade of the peak. The grade of the peak. The grade of the peak is %. Round to the nearest tenth as needed. Someone help ...

Im doing a project on the 12th amendment but im having a hard time finding the questions ive been working this for like well dis will be my 5th day working on it im not good at finding stuff on the internet anyway i have to find out why was the 12th amendment necessary,what ...

I have three questions that I can't find anywhere. 19) Organisms that are at the greatest risk when the dynamic equilibrium is upset would be the: A. Organisms at the top of the evolutionary tree B. Generalists C. Specialists D. Invertebrates E. All of the above 20) A major ...

Match the following.. 12. Moves in cycles from nonliving things to living things back to nonliving, etc. 13. Can be passed from one organism to another in a food chain. 14. Is constantly being lost from the biosphere. 15. Can be created by living organisms. 16. Involved in the...

math
Can you find the 11th term of the arithmetic sequence: 5, 12, 19, 26.

Math
How would the information about grade and frequency change if there were twice as many of each grade? Grade Frequency A 2 B 8 C 11 D 2 F 1 I think that the grades would double if there was twice as many. Thanks.

11th g
Decide whether or not the set has the closure property for multiplication. 2){Whole numbers} 2)Yes A)Yes B)No

11th English literature
A letter was left off in my previous question, changing the meaning. What is the TONE of ee cummings Anyone lived in a pretty how town and Old age sticks? Examples from poems?

visual basic
Cant get my message dialog box to display anbody see waht wrong with it? The message box is located in my if then else statement Dim total As Integer = 0 Dim gradeCounter As Integer = 0 Dim grade As Integer = 0 Dim average As Double = 0 ' sum grades in ListBox Do ' read grade ...

Below is a set of at least two related math/science "words" with their letters combined and arranged in alphabetical order. When you successfully unscramble the letters into the component words, there will be can additional word that should be in the set. That additional word ...

The number of hours of daylight D depends upon the latitude and the day t of the year and is given by the equation : D(t)=12+Asin(((2pi)/(365))(t-80)) where A depends only on the latitude (and not t). for latitude 30 degress, A is about 2.3 1. When is the number of hours of ...

first of all this is my first time so i don't know if i am doing it right. I need help i have holiday homework that i need to do but i cant find good enough info for question 1 and i don't understand how to do question 2 below i will write homework exactlty the same as i have ...

ABCA1B1C1 is a prism which has regular triangles in the bases. The side of the prism has the length "a". The side AA1 makes equal angles with the sides of the base AB and AC, these angles have the value "alfa". We know that AA1 has the length "b". I need to find out the height...

A power station and a factory are on opposite sides of a river 50 feet wide. A power line must be run from the station to the factory. It costs 25 dollars per foot to run the cable in the river and \$15 per foot on land. Express the total cost as a function of x, where x ...

An animal will defend the region around its home by attacking intruders that come in to the region. According to the statistical studies reported in J.M. Emlen's Ecology: An Evolutionary Approach, the defended region's area varies directly with the 1.31 power of the animal's ...

1. Bruce, an appliance salesman, earns a commission of \$50 for each washing machine he sells and \$100 for each refrigerator. Last month he earned \$500 in commissions. Find all possibilities for the number of each kind of appliance he could have sold. 2. Luis has 95 cents in ...

There are 33 students in the band. There are 6 more fifth-grade students than third-grade students. There are an equal number of third- and fourth-grade students. How many third-grade students are in the band?

english
I need you to grade my paper for me . I don't have a car and I don't know the area well enough to ask anyone to grade it for me I just want you to grade it for me. and leave the red marks on it for me so I can correct it my self and send it back to me through email. If it's ok...

English Expression
What grade/year are you in? I'm in the first grade in middle school. I'm a first grader in middle school. I'm in the 7th grade. I'm a 7th grader. ----------------------- Are the answers all acceptable? Which one is commonly used? Can we use both 'grade' and 'year'?

working with data
josephs final averages in science class are shown in the table below. homework % toward final grade-20% average-93 quizzes % toward final grade-20% average-92 tests % toward final grade-40% average-85 final exam % toward final grade-20% average-? what is the minimum score ...

English
Write me a sonnet. Make sure it sounds like something an 11th grader would write though. Thanks in advance.

english
when writing the word GRADE ONE in a sentence...would it be Grade One (where there both capital) Grade one (where only grade is capital) or grade one (where none are capital)

English Honors 11th
Major themes of Beowulf? Is this considered a classic epic poem?

physics-energy conservation
some people refer to heat as "low grade energy. a)how is low grade energy different from high grade energy? b)give two example of high grade energy When heating a cup of tea, which would be preferable...a stove with a burner on top, or a heating pad? High grade energy is ...

math / linear programming
Two factories manufacture 3 different grades of paper. The company that owns the factories has contracts to supply at least 16 tons of low grade, 5 tons of medium grade, and at least 20 tons of high grade paper. It costs \$1000 per day to operate the first factory and \$2000 per...

Maths lit,English, Afrikaans, geography, history t
Am a students from Nigel secondary schools am doing grade 11 with the subject stated above after my grade 12 I don't know what to study .please any idea or option it would be a great help .thank you

Math
A sixth grader weighs 90 pounds, which is 120% of what he weighed in fourth grade. How much did he weigh in fourth grade? He weighed _____ pounds in fourth grade.

Math
If Rachel is at 52% in her class and she gets 50% on her final exam (her final exam is worth 40% of her grade) then what is her final grade?

US Government 11th
Which of the following executive departments assists the president with foreign policy? Department of State Department of Justice Department of Homeland security** Department of Transportation

College Algebra
A local road has a grade of 4%. The grade of a road is its slope expressed as a percent. a. Find the slope of the road as a fraction and then simplify the fraction. b. What rise and run would reflect this slope or grade?

Maths (srithematic progression)
If the 4th term of an A.P is twice the 8th term, prove that the 10th term is twice the 11th term.

Writing
What is the correct way to write this sentence? For the fourth-grade class hike, a lot if kids wore new hiking shoes, they were sturdy. Answer choices A For the fourth-grade class hike, there were a lot if kids they wore new hiking shoes that were sturdy. B For the fourth-...

Albegra
diego wrote one equation to find a missing angle measure.Write three more equations to solve the same problem 180 grade - -------=48 grade

computer,science, java
Inorder to motivate the employees, the company has decided to announce the different types of bonus depends up on the employee’s Grade. If the employee belong to Grade A bonus=20% basic Grade B bonus=15% basic Grade C bonus=10% basic Grade D bonus=7% basic Grade E bonus=5% ...

science
Write a java program using classes and object to read the em[loyee code (Integer), Imployee name (string), Basic salary )double), Category (Character)then calculate the bonus(double)and the total salary(double)eligible for each employ. The output should have the employee code...

Pre Algebra Review
Thirty-five students belong to the science club. This 1/4 the number in the 5 sections of the eighth grade. How many students are in the eight grade? How many in each section if each section has the same number of students?