Friday

August 28, 2015
**12th science**

How will you prepare potassium per magnate.
*Saturday, February 9, 2013 by chemistry*

**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.
*Sunday, October 21, 2012 by Jamese*

**12th science (mathbio) biology**

Two plants biological information
*Thursday, October 18, 2012 by Harsha*

**Mathbio in 12th science**

When particle revolves with uniform speed on a circular path a)no force act on it b)no excellaration acts on it c)no work is done on it d)its velocity is constant answer this mcq
*Thursday, October 18, 2012 by Harsha*

**Mathbio in 12th science**

When particle revolves with uniform speed on a circular path a)no force act on it b)no excellaration acts on it c)no work is done on it d)its velocity is constant answer this mcq
*Thursday, October 18, 2012 by Harsha*

**Math (12th)**

What are the next three terms of the geometric sequence 32, -16, 8, …?
*Thursday, September 27, 2012 by Michelle*

**Math (12th)**

What are the next three terms of the arithmetic sequence -18, -13, -8, -3,…?
*Thursday, September 27, 2012 by Michelle*

**Math (12th)**

What is the common difference in the arithmetic sequence 30, 27, 24, 21, 18, ...
*Thursday, September 27, 2012 by Lydia*

**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!!!!
*Thursday, September 20, 2012 by Jimena*

**12th Grade world history**

With regards to the mining and agriculture industry, in the nineteenth century, which of the following statements is false? A. Large companies tried to be paternalistic to keep workers from rebelling B. Specialization became more common C. Private investment grew D. Reliance ...
*Saturday, August 25, 2012 by Veronica*

**English, novel, ivanhoe**

How is the late 12th century depicted by Sir Walter Scott, and do you find his interpretation realistic or purely fictitious? On what do you base your conclusions?
*Sunday, May 13, 2012 by sanna*

**maths**

calculate the 16th term of an arithmatic progression he its fifth term is 6 and its 12th is 41.
*Monday, April 9, 2012 by mafika *

**Physics (12th Grade)**

An air bubble of volume 15 cc is formed at a depth of 50 m in a lake. If the temperature of the bubble while rising remains constant then what will be the volume of the bubble at the surface?(Given: g=10 m/s2 & atm. pressure = 1.0 * 100000 Pa) * Physics - Elena, Sunday, April ...
*Monday, April 9, 2012 by Tulika*

**ap**

in an AP, if the 5th and 12th terms are 30 and 65 respectively. what is the sum of first 20terms
*Thursday, March 1, 2012 by Anonymous*

**arithmetic**

in an AP, if the 5th and 12th terms are 30 and 65 respectively. what is the sum of first 20terms
*Thursday, March 1, 2012 by Anonymous*

**12th bio.**

male ke sperm ka stracther
*Tuesday, February 21, 2012 by Dharmedra verma *

**Math**

The 3rd and 12th terms of an arithmetic progression are 12 and -24 respectively. What is the 50th term?
*Monday, February 6, 2012 by Lerantia*

**math**

he 12th term in a geometric sequence is 49 and the 14th therm is 2401, find the 15th term
*Sunday, December 18, 2011 by Heather*

**Math**

6,11,16,21,....Algebraic expression______ 12th term- 30th term-
*Tuesday, November 22, 2011 by Miss Sweet:)*

**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 ...
*Tuesday, November 15, 2011 by manal HELP ME *

**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 ...
*Monday, November 14, 2011 by manal HELP ME *

**statistics**

A study of graduates average grades and degrees showed the following results: B.S. Degrees, 15 graduates averaged Grade A, 8 graduates averaged Grade B, and 5 graduates averaged grade C. Graduates who had a B.A. Degree, 8 averaged grade A, 12 averaged grade B, and 7 averaged ...
*Saturday, October 15, 2011 by Karen*

**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?
*Friday, September 2, 2011 by Jenna*

**Class 12th Application of Derivatives**

Find a point on the parabola y = (x-4)^2, where the tangent is parallel to the chord joining (4,0) and (5,1). Solve this question using Lagrange's theorem. Answer is (9/2,1/4)
*Wednesday, July 6, 2011 by Akash*

**12th physics**

for what angle of incidence the lateral shift produced by parallel sided glass plate is (i) zero (ii) maximum
*Saturday, June 11, 2011 by Arya*

**Class 12th Calculus**

If y = e^x cosx, prove that dy/dx sqrt(2) e^x . cos(x+ pie/4)
*Friday, June 10, 2011 by Akash*

**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?
*Tuesday, May 31, 2011 by Anonymous*

**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?
*Wednesday, May 25, 2011 by Ashley*

**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?
*Wednesday, May 25, 2011 by Ashley*

**math**

which term in the expansion of (1/(3x^2)-x)^15 is the constant term? A. 10th B. 11th C. 12th D. 13th
*Tuesday, May 24, 2011 by steve*

**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?
*Wednesday, March 30, 2011 by Devin*

**appling middle**

If the data were displayed in a circle graph, what percent of the graph would represent the seventh grade? Enrollment is Sixth grade 64, Seventh grade 64, and Eighth grade is 70
*Thursday, March 10, 2011 by ry*

**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 ___________
*Thursday, March 10, 2011 by Sharon*

**12th grade**

A satellite is in a circular orbit around an unknown planet. The satellite has a speed of 1.65 104 m/s, and the radius of the orbit is 5.30 106 m. A second satellite also has a circular orbit around this same planet. The orbit of this second satellite has a radius of 8.60 106 ...
*Tuesday, December 7, 2010 by Anonymous*

**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!
*Sunday, December 5, 2010 by Shannon*

**12th Grade Vocabulary**

We have to pick which sentence the vocabulary word is used incorrectly. Vocab Word: Verity a) Many people trusted the VERITY of the accused spies Ethel and Julius Rosenberg, but the defendants were convicted and executed for espionage in 1953. b) Although neutrons and protons ...
*Sunday, November 21, 2010 by Leanna*

**8th grade**

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 ...
*Monday, November 15, 2010 by Anonymous*

**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 ...
*Monday, November 15, 2010 by 7890-8*

**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. ...
*Wednesday, November 3, 2010 by maria*

**12th grade**

A perchloric acid solution is composed of 168.75 g of perchloric acid and 81.25 mL of pure water. What is the percent by mass of the perchloric acid solution? The density of water is 1.000 g/mL. When I did this part I got 67.5% But, I am having trouble with the secind part. ...
*Sunday, October 24, 2010 by Helpplease*

**12th grade Math - word problems**

#1.) The population of bacteria after t hours is given by P(t) = 500/(1+83.33e^-0.162t) a.) What is the initial population? b.) When will the amount of bacteria in the population be 12? #2.) Which investment yields the greater amount after 4 years? a.) $900 at 9% interest ...
*Monday, September 20, 2010 by Jamie*

**12th grade**

a tortoise and a hare are "running" in a race.you are asked to prepare graphs similar to those in your reading material to graph the process of each animal during the race.as in text,distance is the vertical scale of your graph and time is the horizontal scale.the ...
*Wednesday, September 15, 2010 by Anonymous*

**Math-12th grade**

#1. The pressure P of a compressed gas is inversely proportional to the volume V. If there is a pressure of 35 pounds per square inch when the volume of gas is 400 cubic inches, find the pressure when the gas is compressed to 100 square inches. #2. A frictional force is ...
*Thursday, September 9, 2010 by Mary*

**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
*Sunday, May 16, 2010 by NEEDSHELP(:*

**find my grade average**

-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!!!!
*Sunday, April 18, 2010 by magy*

**12th grade**

Population: Patients at Toronto Hospitals(Population size-- 100,000) Topic: Quality of Service You are to conduct a survey on the above population to gather information upon the indicated topic. For this assignment, you must: 1.Describe a muti-stage sampling technique that ...
*Tuesday, March 23, 2010 by Anonymous*

**Math 157-1**

Use the data in the grade-distribution 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 change if there were twice as many of ...
*Friday, March 19, 2010 by Tyga*

**12th grade**

A bicycle wheel has a radius of 0.330 m and a rim whose mass is 1.20 kg. The wheel has 50 spokes, each with a mass of 0.010 kg. a.) Calculate the moment of inertia of the rim about the axle. b.) Determine the moment of inertia of any one spoke, assuming it to be a long, thin ...
*Wednesday, March 10, 2010 by Janelle*

**classroom instruction**

Search the Internet to locate and review your state’s educational standards for a grade level and subject that interests you, such as second-grade language arts or fifth-grade science. i need help finding information on the state of wisconsin and 1st grade P.E.
*Thursday, February 18, 2010 by scooby*

**12 days of christams**

what are other names given for the 12th day of christmas?
*Monday, January 4, 2010 by mrs.chicken*

**1st grade Math Fair**

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 dont know where or how to begin this project. Can anyone help?
*Friday, January 1, 2010 by Joyce*

**12th grade american governmet**

Research Ronald Reagan especially with regards to their foreign policy and foreign involvement during their administration. Identify 3 aspects of their foreign policy or foreign events they involved the US with. for each of the events explain where on the spectrum you believe ...
*Wednesday, December 30, 2009 by Dee*

**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 ...
*Sunday, November 1, 2009 by Anonymous*

**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 ...
*Tuesday, October 27, 2009 by Anonymous*

**Math**

If you had a fractional stip of 12th's what fractional lengths could you make??? Thank You, ME!!
*Tuesday, September 29, 2009 by Me *

**12th grade**

A projectile is shot from the edge of a cliff h = 125 m above ground level with an initial speed of v0 = 115 m/s at an angle of 37.0° with the horizontal, as shown in Fig. 3-39 (a) Determine the time taken by the projectile to hit point P at ground level. (b) Determine the...
*Tuesday, September 22, 2009 by sundus*

**12th grade - English (World Mythology)**

The website is: zarathushtra . com /z/gatha/dji/forward . htm What is Tagore’s main argument? Find a sentence or two that make up Tagore’s thesis statement and cite it here. What distinction does Tagore make between “blind obedience” and “the path of ...
*Tuesday, June 16, 2009 by Julie*

**12th grade Biology**

Consider the following animals: Earthworm Flatworm. Frog. Jellyfish. Lamprey. Tuna. Create a table of fundamental traits for these six animals as a basis for building a cladogram. Use traits that are either present or absent in a given organism. Use the jellyfish as an ...
*Tuesday, May 26, 2009 by Harlowe*

**12th grade math**

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 ...
*Friday, April 10, 2009 by ali*

**Math/Standard and scientific notation**

Express each measure in standard form. (One more thing by the way you need this few prefixes) Tera= 10 to the 12th power Giga= 10 to the 9th power Mega= 10 to the 6th power Kilo= 10 to the 3rd power Pico= 10 to the -12th power Nano= 10 to the -9th power Micro= 10 to the -6th ...
*Wednesday, February 25, 2009 by Sandy*

**12th gradeTOURISM**

HOEKOM FLUKTUREER DIE WISSLKOERS?
*Monday, January 19, 2009 by HANNELIE*

**Chemistry-12th**

1]What do u mean by: Philosopher's wool 2]what will happen if door of refrigerator is open 3]How can we increase life of Daniel cell?
*Thursday, January 8, 2009 by Shefali*

**12th grade English**

A Lesson Before Dying- Quotations Analysis. " I had gone to barbershops;I had stood on street corners, and i had gone to many suppers in the quarter.But i had never really listened to what was being said.Then i began to listen, to listen closely to how they taked about ...
*Tuesday, December 2, 2008 by David*

**12th grade Biology**

Q. decribe how it is metabolized and how many ATP are produced from each: a)fructose b)sucrose c)palmitic acid d)glycerol e)alanine f)glutamic acid g)aspartic acid i know that fructose produce 48 atps, sucrode produce 76 atps, palmitic acid produce 96atps glycrol produce 19 ...
*Wednesday, November 26, 2008 by Ring*

**12th grade calculus**

your operate a tour service that offers the following rate: $200 per person if 50 people (the minimum number to book the tour) go on the tour for each additional person, up to a maximum of 80 people total, the rate per person is reduced by $2 it cost $6000 (a fixed cost) plus...
*Tuesday, November 18, 2008 by dt*

**12th Calculus**

use the derivative of the function y=f(x)to find the points at which f has a local maximum local minimum point of inflection y'=(x-1)^2(x-2)(x-4)
*Tuesday, November 11, 2008 by elley*

**12th Calculus**

let f'(x)=4x^3-12x^2 a. find three different functions with derivative equal to f'(x) b. find the behavior
*Tuesday, November 11, 2008 by dt*

**12th AP Calculus**

use implicit differentiation to find dy/dx and then d^2y/dx^2 x^2/3 + y^2/3 = 1
*Sunday, October 19, 2008 by dt*

**12th AP Calculus**

find the dy/dx of: y=3(cscx)^3/2
*Sunday, October 19, 2008 by dt*

**12th calculus**

find dy/dx by implicit differentation and evaluate the derivitave at the given point: (x+y)^3:x^3+y^3 point=(-1,1)
*Thursday, October 16, 2008 by Rachel*

**12th Grade Physics**

Q. a 2.0 kg block is placed against a spring of force constant 800 N/m, which has been compressed 0.15m. The spring is released, and the block moves 1.2m along a horizontal surface with a coefficient of friction of 0.19. The block then slides up the incline with a coefficient ...
*Tuesday, October 14, 2008 by Ring*

**12th grade physic**

Q. A satelite is in a circular orbit around the earth with a period of 6.0 hours. A retrorocket thruster is fired which slows the satelite down to half its speed and places it in a new orbit. G = 6.67 x 10 power of -11 N.m2/kg2 mass of earth = 5.98 x10 power of 24 Kg radius of...
*Tuesday, October 14, 2008 by orange*

**12th grade Physics**

A boy pushes a lawn mower with a mas of 17.9 kg starting from rest across a horizontal lawn by applying a force of 32.9N straight along the handle, which is inclined at an agle of 35.1 degrees above the horizontal. The magnitude of the mower's accelerations is 1.37m/s^2, ...
*Sunday, October 12, 2008 by HR*

**geography**

on pigskin 6th gade paper october 12th 2008 question #2 determine the state capitals in whitch agame will be played.
*Thursday, October 9, 2008 by ana*

**3rd grade**

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?
*Wednesday, October 8, 2008 by Kristina*

**english**

I need you to grade my paper for me . I dont 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&#...
*Friday, October 3, 2008 by Bernadette*

**government**

the major importance of the 12th amendment is that it:
*Monday, September 29, 2008 by Anonymous*

**12th grade participation in govt.**

A. Select a public policy issue you are very familiar with. Fully describe that public policy issue including who was responsible for the public policy and its impact on social conditions B. List 4 players who support the public policy. C. List 4 players who oppose the public ...
*Thursday, September 18, 2008 by johngottigator*

**chemistry**

(3.21x10 to the 8th)(6.32x10 to the -12th) is it... 20.2872x10 to the -4th?
*Wednesday, September 10, 2008 by hellllp!*

**12th English**

Can a descriptive essay rhyme?
*Monday, August 25, 2008 by SENiOR '09*

**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'...
*Friday, April 18, 2008 by John*

**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 ...
*Sunday, February 24, 2008 by mike*

**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)
*Sunday, January 13, 2008 by spelling-grammer*

**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 ...
*Tuesday, May 8, 2007 by Emma*

**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...
*Tuesday, January 2, 2007 by Tim*

**Saint Joseph's high school **

An elevator can lifts 10 people up 12 floors. Each person weighs approximately 60 kg. each floor is 3m high, and it takes 15s to reach the 12th floor from the ground floor without stopping. How much work does the elevator do? How much power does the elavator use?
*Thursday, July 9, 2015 by Richellen b. bustamante*

**Nursing**

My current overall average is a 76%. Another grade of 67 needs to be added in. That grade is worth 10%. What will my final average be?
*Wednesday, June 24, 2015 by Elaina*

**Statistics**

Suppose that a SRS of 900 12th-graders has x̅ =148. Based on this sample, a 95% confidence interval for μ is? (σ=35) I tried using x̅ +/- z*(σ/sqrt n), so 148 +/- 1.960(35/sqrt900, but it doesn't work. What am I doing wrong?
*Friday, June 12, 2015 by Ceres*

**english 12th **

A dramatic chorus is __________. a speech made by one person speaking his or her thoughts aloud the contrast between what the character knows or understands and what the audience knows when a character says something to him- or herself in order to inform the audience about ...
*Monday, May 18, 2015 by oliver*

**Algebra 1**

A teacher graded the tests for each of her students. She calculated a mean grade of 80 and a standard deviation of 3. One of her students, Katrina, had a z-score of 2. What grade did Katrina get on the test?
*Sunday, May 10, 2015 by Jacob*

**Math**

In an arithmetic series, the sum of the 5th to the 8th terms inclusive is 114, whilst the sum of the 12th to 15th terms inclusive is 198. What is the 21st term? I have got 99=2a +3d and 57= 2a+3d Im not sure what to do now
*Saturday, April 18, 2015 by Fasi*

**math**

Of the 6796 students in one school district, 1537 cannot read up to grade level. Among a sample of 812 of the students from this school district, 211 cannot read up to grade level. Find the sample proportion of students who cannot read up to grade level. A. 0.14 B. 0.26 C. 211...
*Friday, April 17, 2015 by HELP*

**statistics**

Of the 6796 students in one school district, 1537 cannot read up to grade level. Among a sample of 812 of the students from this school district, 211 cannot read up to grade level. Find the sample proportion of students who cannot read up to grade level. A. 0.14 B. 0.26 C. 211...
*Friday, April 17, 2015 by Jane*

**programming**

Write a Java application that computes and prints the grade of a student according to the following algorithm: 1) It should read from the user TMA score and MTA score. 2a) If their sum is less than 15, the grade "FC" should be printed and the program will stop. 2b) ...
*Saturday, April 11, 2015 by pooja*

**ICT (Programming) **

Design program logic that receives the letter grades for 4 subjects and then based on the grades, calculate the total grade point. The program should use IF statements to determine the grade point corresponding to the letter grade (as given in the table below). Once all the ...
*Saturday, April 11, 2015 by Zee*

**7th grade math (probability)**

I'm not sure how to answer this: 3. THe 7th grade wants to have a back-up representative just in case the first teacher is absent. Based on the same scenario as #2, if a math teacher was chosen to be the 7th grade representative, what is the probablility that the back-up ...
*Monday, March 30, 2015 by Alexis*

**math**

there are half as many 11th grade students in the band the are 9th grade students. how many 11th grade students are in the band
*Wednesday, March 25, 2015 by vanessa*

**Math**

Kami has an average of 64% in her class. School ends soon and she would like to raise her grade to a 74%.She has 2 tests left and tests counts as 80% of her grade, what would she have to get on the next to test to get her average up to a 74%?
*Wednesday, March 25, 2015 by Kammi*

**Math**

Theo made the table below to show the number of middle school students who attended the last football game. If the data were displayed in a circle graph, how many degrees would be in the sector representing the eigth graders? Grade 6 Number of students in attendance 375. Grade...
*Tuesday, March 17, 2015 by Anonymous*

**MATH**

DRIVING DOWN A 10% GRADE, THEN YOU DESCEND TO 20 FEET BELOW YOUR STARTING POINT. wHAT CONCEPT DOES THE GRADE RELATE TO?
*Monday, March 16, 2015 by BONNIE*