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The students of litchfield High school are in grades 9,10,11,12. Of the students , 1/4th are in 9th grade, 1/3rd are in 10th grade, 1/6th is in 11th grade and there are 300 in the 12th grade, how many students are there all together?

math
Are trigonometric functions taught in 11th grade, if so ,is it wrong that i wasn't tought that topic in 11th grade????plz help!!!!

bob where r u !!!

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

calculating the total distance ???

How do we know which plate has an excess of electrons?

my physics teacher asked the class to find a cool physics topic and write a summary and a reflection on it 1page.... any ideas im really stuck

How many current paths are there in a series circuit connection?

How many current paths are there in a parallel circuit connection?

A car slows down from +32 m/s to +8 m/s in 4s. Calculate the acceleration .

is there physics in football

im not procrastinating i really don't understand it. im not asking for the answers im just asking for a little more help??

math
Riding on a school bus are 20 students in 9th grade, 10 in 10th grade, 9 in 11th grade, and 7 in 12th grade. Approximately what percentage of the students on the bus are in 9th grade?

What happens when a conductor is wired in parallel with the bulb? Is the swich open or closed?

What happens when an insulator is wired in parallel with the bulb? is the swich open or closed?

What resistance would produce a current of 120 amps from a 6-volt battery?

What is the current produced by a 9-volt battery flowing through a resistance of 2 x 10^-4 ohms?

What is the potential difference if a resistance of 25 ohms produce a current of 250 amperes?

What happens when an insulator is wired in series with the bulb? Is trhe swich open or closed?

What is the current produced by a potential difference of 240 volts through a resistance of 0.2 ohms?

What voltage is necessary to produce a current of 200 amperes through a resistance of 1 x 10^-3 ohms?

the horizontal range of a projectile is 4 root 3 times of its maximum height. calculate the angle of projection.

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Physics

Ninja usually weighs 80 kg. He ate 5 kg of cookies over the Holiday Break: a. What is his weight? and B. How can ninja use physics to lose weight?

find the value of 60 joule per minute on a system which has 10 cm,100gm, and 1 minute as fundamental units.

If a particle's motion is described as x = ut+1/2at^2, where x is position, t is time and u and a, are constants. Show that the acceleration of the particle is constant

3x+6=2x+13

f(x)=x-1/x-4

x/12=5/3

xe^(x)-1 =0

x2+y2+2x+4y=-2

if f(x)=-8x + 8 and g(x)= x-9,what is (f,g)(18)?

x+y>1

A stone falls from a tower and travels 100m in the last second before it reaches the ground. Find the height of the tower

if action and reaction are always equal and opposite, why don't they always cancel each other and leave no force for acceleration of the body?

math
a student is selected at is the probability the the randomly selected stundent is neither a 10th grade nor an 11th grade express your answer in fraction in simplest form

4x = 2x+30

how do you do STOICHIOMETRY?

how do you graph y=-2?

log5(1+.03%)

4root(3X>7)(y>9)(z>3)

What percent is 1.25 of 82

Solve for x:9x^2-49=0

20xsquared+40 x+15=0

-2x+7+9x-4

y^a/y^b

A car does 6.0 104 J of work in traveling 2.6 km at constant speed. What was the average retarding force (from all sources) acting on the car?

what exactly is chemistry?

Mapp vs. Ohio?

a+b+c=5 then find the value of a,b,c

factor the expression 2x^2+x-15

tan^2x=tanx+2

what is Ralational schemas

5y=2x+3 can you put it in AX+By=C form

what is the derivative of log e?

how can I delete my question?

what is 1.4 to the 11th power

y=4x^2-16x+12

need help with these problems can anyone help me- 2x-1=y 2x=y-6 3y=-6x x+4y=12 Thank you

I need help with substitution math.

what is the 10 and 5 \12 as equilvalent improper fraction

help with the story bernice bobs her hair

i need a written example of an article.

solve the equation c^2+6c=55 Do you do it the same way

The equation of a circle with center (0, 3) and radius 3 is

how to check specific heat of a substance?

define "period structure

can you please evaluate these expressions if x=5 y=3.5 and w= -3 1.|2x-15| 2.|-2y=8|-9 3.|w-x|-|10y-w|

What is the balanced chemical equation for P+H2>PH3?

I need help on how to factor a polynomial by grouping

how do you solve a dilution problem, this is chemistry

What value of k will make 3x^2+kx)-4 an even function

evaluate each function. g(x)=|x-2|+3;find g(0)

what effect id geography have on the colonies

How do you solve for x^2 + square root of 6 times x -3 is > or = to 0?

How to solve system of equations 5a=5 6b-3c=15 2a+7c=-5

what is the velocity of a boat traveling 60 km in 2 hours?

how can i write a acrostic poem on beowulf?

how far will 350 j raise a 7 kg mass

Amazon rain forest

I want two examples based upon law of conservation of charge i know the definition just want two examples!!!

how high above the surface of the Earth would an object need to be for its weight to be half its weight on the surface?

Difference between Atomic spectrum and emission spectrum. First give me the clear cut definition of both and then the difference!!!

A student makes a magnet by winding wire around a nail and connecting the wire to a battery. Which end of the nail will be the north pole?

Determine the nature of the roots of this question (1/4)x^2+x+1=0

What is GERD? Is it the same as acid reflux disease?

How did Gandhi demonstrate an appreciation for other faiths?

What is meant by the quote "Hunger is the best pickle"

What are the formal and functional regions of seattle washington???

how man built space station in universe

solve a perfect square trinomial equation. (4x+1)(x+4)=49

What is chemical formula of copper(ll) sulfide?

explain potential for growth internally and externally

How many moles of nitrogen do you need to make 78 g of ammonia?

Factor f(x) = x^4 + x^3 – 8x^2 + 6x + 36 completely. Show all steps.

verify the identity sin(4u)=2sin(2u)cos(2u)

whats the formular to find molarity and how do you do conversions? :)

If m<A = 45, AB = 10, and BC = 8, the greatest number of distinct triangles that can be constructed is: 1) 1 2) 2 3) 3 4) 0

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