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Homework Help: 9th Grade
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9th grade
what is the value of x in the system? 5x-3y=23 3x+5y=7
9th grade
the debate club needs $240.00 to attend a debate tournament. the club decides to sell iced tea and lemonade at baseball games. iced tea will be sold for $.50 per cup and lemonade will be sold for $.80 per cup. write the equation to find how many cups of each beverag must be so...
9th grade
Trains A and B are traveling in the same direction on parallel tracks. Train A is traveling at 100 mile per hour and train B is traveling at 125 mile per hour. Train A passes a station at 3:15pm. If train B passes the same station at 3:27 pm at what time will train B catch up ...
9th grade
What are the similarities of ozone depletion and uv light
9th grade
True or False? in the west indies slaves were sold in exchange for land rights?
9th grade
it cost $2 per day to place a one-line ad in the classifieds plus a flat service fee. one day cost $3 and four days cost $9. write a linear equation that gives the cost in dollers, y, in terms of the nunber iof days,x. find the cost of a six-day ad.
9th grade
Find a pair of factors for each number using the difference of two squares. a. 45 b. 77 c. 112
maths-9th grade
what do you call a female bug that float
9th grade
science fair ideas
9th grade math (algebra 1)
Fine the solution set of each system of linear equations or inequalities below by graphing. Show all work under the graph of each system. 1. x + y = 3 2x - 2y = 6
9th grade
I am having trouble trying to figure out how to work this problem: Determine if each relation is a function. 1. Relation: (-2,2),(3,2,),(4,-1),(5,-2) How do i do this???????
9th grade
True or False. To find a sales tax of 6% on a purchase of $90.00 using the proportion method you would write the following: 6/100 = ST/$90?
maths-9th grade
ahexagon have the apothem of 6cm,the side length of6.93,and the height of 12cm. what is the volume?
9th grade
the apothem of a square candle is 5cm,the side length is 10cm,the height is 9cm, what is its volume ?
9th grade SCIENCE
I have to list 5 different organic compounds; list different types for each; name; structure; properties; and uses. I am a bit confused as to what an organic compound actually is. I know it must contain a carbon, but would vegetables or household foods be considered organic co...
9th grade
At what height is an object that weighs 490 N if it gravitational potential energy is 4900 N-m?
9th grade Social Studies
what is the climate and the population&cities in the hudsons bay lowlands & appalachian region ?
9th grade
At what height is an object that weighs 490 N if it gravitational potential energy is 4900 N-m?
9th grade
good public speaking topics?
9th grade
A student put 12.4 grams of potassium sulfate in 29 ml and stirred for 3 hrs. he saw that not all of the solid dissolved, so he removed the extra solid and found it had a mass of 3.4 grams. what was the solubility of the chemical?
9th grade
In a well developed paragraph respond to the following. After reading about yellow journalism, explain how the media may or may not influence American foreign policy? Basically, what affect can the media have on the government's decisions? Be sure to state specific exampl...
9th grade
I need a good thesis statement for a research paper about agriculture as a career.
9th Grade Math
I have one more problem that I need help with. If someone can help me set up the problem I will be able to solve it for my answer. I don't know where to begin with this problem. Thank you for your help it's greatly appreciated. For groups of four or more diners, many r...
9th Grade Math
The money collected at a school basketball game was 2,265 from 543 paid admissions. If adult tickets sold at $5.00 each and student tickets sold for $3.50 each, how many tickets of each kind were sold?
9th grade
The perimeter of a triangle is 45 meters, what is the length of each side?
9th grade Algebra
what is the inverse function of g(x)= 3x+2?
9th grade
what nutrient is found in large amounts of rice? please help!
9th grade
A downhill skier travels down a course at an average speed of 60 km/hr for 2 minutes. How far in km did she ski? convert your answer to meters.
9th grade
how do you start this problem x/x+2=4/5,x=-2
9th grade
a cube has a side that is (5x-3)centimeters long.a.what is its surface area?b.if x=3,what is its surface area
CP Science 9th grade
A Sample of Air at 35 degrees Celsius has a relative humidity of 15%. How do you find the dew point temperature?
9th grade Math
I need help in creating 3 Math problems that has to do with Baseball. Does anyone know how to or websites to help me...
9th grade
what is the formal and functional regions of seattle washington and Las Vegas Nevada?
9th grade
How do you factor this expression? 10x+15
9th grade
Why did many people in mecca reject muhammad's ideas at first?
9th grade
2(25y)
9th grade health
what is an ewmotional stimulus graph
9th grade
What is the most common form of economic activity in the U.S.?
9th grade
cuneiform was what?
9th grade
What are the differences and similarties between the baltimore county council and the maryland general assembly
9th grade
A reporter covering a naturalization ceremony wants to randomly select new citizens to interview. Out of the 200 new American citizens, 7 of them are from Ecuador, and 10 of them are from Kenya. What is the probability that the reporter will randomly select a person from Ecuad...
9th grade
i have a test soon, and i don't know where my textbook is, can you tell me everything i need to know about organic compounds?
9th grade math
y=-5x 2x-3y+17=0
9th grade
What is the equation in point slope from of the line that passes through the given points (9,1),(5,2)
english
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9th grade
how do i solve 3y-4+3x-5x+2 and solve for x and y
9th grade biology
what are three ways for an animal to lose water?
9th grade
I'm doing this word search for my 9th grade honors physical science class, and i don't understand one thing. it says 'blue, striped and round are examples of this' when we're talking about matter and phases of matter and density/mass/weight/volume. stuff li...
9th grade
s8impliy this exponential expression): -2 7 -8 ) 6 -9)8 (7) * (x) * (w * (x *(4) * -3) (w
9th grade
how much heat is needed to change 20g of ice at negative 10 degrees c to water vapor at 200 degrees c
9th grade
What is the formula for the sum of exterior angles of a octogon?
9th grade
whats an acrostic poem for chlorine
9th grade science
1)write the fomulas for the following compound: Magnesium hydroxide. 2)Write the names of the compound: Ba(ClO3)2 *the numbers are the subscripts* I really don't understand how to do those two, I did the rest of them. I could really use the help. THANKS!!
9th grade
4y-9=15
9th grade
What is a capillary in Earth science terms?
9th grade
how do you find volume by the displacement method?
9th grade
In, 1914 how many European nations controlled territory in Africa?
9th grade
During what phase does crossing-over occur? A. prophase I B. metaphase I C. anaphase I D. telophase I
child development(am i correct)
Mario’s parents were fluent in both English and Spanish. The family lived in rural Vermont but spoke Spanish almost exclusively at home, in part because Mario’s mother found English harsh and unpleasant to the ear. Most of Mario’s early exposure to English was i...
PSYCHOLOGY this correct
Mario’s parents were fluent in both English and Spanish. The family lived in rural Vermont but spoke Spanish almost exclusively at home, in part because Mario’s mother found English harsh and unpleasant to the ear. Most of Mario’s early exposure to English was i...
9th grade
I am reading a book called To kill a mocking bird. and had a couple questions. . . -what is the dare with which dill challenges Jem?
9th grade Math
Discuss how you might use the ski slope to help remember the numerical slope of a vertical line.
MATH
Okay am kind of lost, how will i compute the cost for tuition for the following years for public and private collegesin the years 2027, 2028, 2029, and 2030. The chart is listed below. Table I: Average Earnings of Year-Round Full-Time Works by Gender and Education Attainment i...
9th grade
How many milligrams are in a kilogram
9th grade algebra
what is the answer to: 6(6g-2)+8(1-5g)=2g
9th grade
What is communism?
9th grade
What does it take to win a Tug of War?
9th grade
what is the cellular respiration formula
9th grade Geography
Which of the following statements about manufacturing in the region is NOT true? a. About 50 percent of the region’s GDP comes from manufacturing. b. Demand for manufactured goods has increased. c. Workers produce textiles, paper goods, and cement. d. Locally produced go...
9th grade
each question is 10 points each, and i dont get 4 questions. I am in Earth Science and in 9th grade i would appreciate it if some one would help me. THANKS ! Where have earthquakes occurred most frequently during the last one hundred years? 1) in the polar regions 2) in the in...
9th grade
Who discovered the world's smallest glacier?
9th grade
Determine whether y=2x-1 is a linear equation if so write equation in standard form . ?
9th grade
Determine whether y=2x-1 is a linear equation if so write equation in standard form . ?
9th grade
-[-7-2]+2*[1-4]
9th grade
is this right they're supposed to have really happened but are never verifiable
9th grade
At noon a private plane left Austin for Los Angeles, 2100 km away, flying at 500km/h. One hour later a jet left Los Angeles for Austin at 700 km/h. At what time did they pass each other?
9th grade
Mr. Mist’s ramp broke so he tried to lift the his 150 Newton box of ungraded papers with a pulley system. Mr. Mist had to pull the rope in his system 3 meters. The papers were lifted into his car by the pulley system which lifted the box 1.5 meters, while Mr. Mist only us...
9th grade
what do you call a female bug that floats?
9th grade
What is the difference between compound and complex sentences?
9th grade algebra
solve the equation. 15(x-3)=12x-43
9th grade
10 gm of silver nitrate solution is added to 10 gm of sodium chloride solution what change in mass do you expect after the reaction and why?
9th grade
10 gm of silver nitrate solution is added to 10 gm of sodium chloride solution what change in mass do you expect after the reaction and why?
9th grade
what dose it take to win a tug of war?
9th grade- Algebra 1
In music, What does "allegro" mean? ALGEBRA WITH PIZZAZZ!
9th grade
what is the velocity of someone running if he takes 120 seconds to run 200m
9th grade
how to unscramble colors from words?????
11th grade
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?
9th grade Math
Tittle: Police Officer Salary: $3,142/month Average work hours per week:40 School Loan:$15,000 Responsible for patrolling an assigned area to prevent and discover crime and to enforce regulations.Duties may include:conducting investigations,making arrests,and testifying in cou...
9th grade
In triangle ABC, centroid D is on median line. AD=x+4 and DM=2x-4. Find AM
9th grade
-4+4y+1=-6y-13+5y
9th grade
3 over the square root of 6
9th grade Math
(7n-1)/(8)=6 Okay, I think I add 1 to both sides, so now I have.. (7n)/(8)=7 And then, to get n by itself I divide 7 into both sides, so now I have.. n/8=1 n=1 is what I get, but I'm not sure, could someone please check this for me?
9th grade
How do you graph y equals square root x plus 4
9th grade
A new high school has just been completed. There are 1,000 lockers in the long hall of the school and they have been numbered from 1 to 1,000. During lunch, the 1,000 students decide to try an experiment. - The first student, student 1, runs down the row of lockers and opens e...
AP 9th grade-Philosophy
In order to prove this thesis by the Greek Thales, "All substances can be reduced to water." what would i have to do?! im clueless...
9th grade
Monologue of Mary Malony in the storie "the lamb of the slaughter"?
9th grade(math)
if two lines are parallel and the slope of the lines is m,what is the product of their slopes?
9th grade
the variable cost is 10/km and a 2.5-km trip costs $40, determine the equation relating cost, C, in dollars, and distance, d, in kilometers
9th grade Spanish
Write a letter to a new pen pal. Hola, Yo me llamo Claire y you tengo 14 anos. Yo tengo dos hermanas. Ellos tienen 16 y 11 anos. Ellos se llaman Erica y Amelia. Me gusta la pizza y el chocolate. No me gusta huevos. Que te gusta comer? Yo me gusta eschuchar el radio y dormir. M...
9th grade
What was the impact of John D. Rockefeller on American industry?
9th grade
How does nucleus work for restorant?
9th grade
y=7 y=-1
9th grade (math)
pennies are kept in a jar the mass of the jar is 20 g the mass of each panny is 5g le t the varible p represent the total mass of pennis and the jar. let the variable n represent the number og pennys. 1a. write an equation that represent the relation ship between mass p and n ...
9th grade (math)
the surface of our earth is 20'c for every km, k below the surface the tempature increses by 10'c. let t represent the tempature in 'c 1a write an equation that represent the relationship between disatnce k and t tempature 1b. what is the slope and and y-intercept
9th grade (math)
im learnin about y=mx+b 1.describe the line you think each equation represent Y=x, y=5, x=-3 2. The equation of a line is y=mx+2. determione the value of m when the line passes through each point D(12.5) s(1.-3) e(-2.6) a(-5.1)
9th grade
what is physical education?
Social Studies (9th grade)
How did the Trojan War affect people of its own time and our world today? Thanks so much:]
9th grade
I need an answer to my question in spanish Que vas a hacer despues de las clases hoy?
9th grade
(x+4)^5
algebra/9th grade
write the equation in slope-intercept form: 1. 18y+2x-9=0 2. 3x-4y=-8
algebra/9th grade
decide whether the given ordered pair is a solution of the equation: 1. 3y+12x=-4; (1/5, -35/15): 2. 8-3x+24y=0; (5, 23/24) I think neither of them are. _______ find the x-intercept of the graph of the equation. 3. 13x-24y=-5 --> x=-5/13 4. -14+6y=7x --> x=-2 __ find the...
9th grade algebra
decide whether the graphs of the two equations are parallel lines. a. y=3x+2, y=1/3x+4 b. 3y=15x+4, y=5x+1
9th grade algebra
decide whether the graphs of the two equations are parallel lines. a. y=3x+2, y=1/3x+4 b. 3y=15x+4, y=5x+1
9th grade history
how did mccarthyism affect the lives and political thinkink of th e people in the u s
English -9th grade
Is Sam going to sleep early tonight: declarative imperative exclamatory interrogative. I didn't fill out the answer causing me to get it wrong. I thought it was an declarative.
9th grade, Biology
Using what you know about osmosis, explain what would happen if you placed a jellyfish in a freshwater lake. I need help with this, please answer if you can, (:
9th grade
Select any one household product and create a mini poster displaying a "GREEN ALTERNATIVE". HOW DO I DO THAT??? GIVE ME SOME EXAMPLES... OR CLUES... OR METHODS... OR SMALL DESCRIPTIONS.
9th grade
how can i use the word acquaintance in a sentence?
9th grade
Exercises In Coherence? Coherence- Type of Arrangement (Time, Physical Order, Order of Importance, Similar Ideas, Different Ideas, Conclusion) 1. story about a haunted house kind of order:? reason 1- ? 2- ? 2. a description of the haunted house kind of order:? reason 1- ? 2- ?...
9th grade
What are the two main forms of Christianity?
9th grade
what are some effective transition words that would usually start a sentance??
9th grade
i need help finding what these words are from these clues: possible opening found in the cell membrane substance which makes up cell walls granular material in the nucleus that thickens to become chromosomes the endoplasmic reticulum is a network of.... structures responsible ...
9th grade geometry
if RS=8y+4, ,,ST=4y+8 and RT=15y-9 find the value of y
9th grade
what is an interior deserts
9th grade algebra
(-6)-((-2)-5(2nd power)
9th grade, SOSE
Was world war two hitlers war?? if so why.
9th grade
Wat is square root spiral
9th grade
What is new york's climate?
9th grade
what is a landform
9th grade
what is the purpose of a neighborhood?
9th grade
in which of the following sentences does the subject come after the verb a. on the next street, you'll find the shoe shop. b. whenever he's in town, jeremy likes to go fishing. c. brock traveled over miles of dirt roads. d. where is my elvis CD Thank you!
9th grade
Can you help me fine the tone to the poem oranges
9th grade
1. find the latreal area of a cylinder of revolution if its altitude is 5.5 inches and the diameter of its base is 7 inches.
9th grade
can you show me how to work this problem 6x+2=6
9th grade world history
What is the geographic location of ancient Carib? What was their method of substience? What did they make with arts and crafts? What were their religious beilefs? What were their customs? And what was their effect on European contact and culture?
9th grade
what are the 2 driving forces of natural selection?
9th grade biology
a fatty acid with the maxium number of hydrogen atoms possible is
9th grade SCIENCE
Need expamples of Elements, Mixture or compounds
9th grade
what is the study of interactions of biological, cultural, geographical and historical aspects of humankind?
9th Algebra
Im in 9th grade algebra. and we are learning adding and subtracting real numbers. im stumped on a couple of problems. I get confused when i see the absolute value lines. Does that change the munber? Do i just go on with the problem as if they werent there? And i have NO idea h...
9th grade
What is the value of c in the equation f(c)=0 with the funtion f(x)=9/5c +32
Algebra 1, 9th grade
48x^2y + 20xz + 12xy + 5z xy - 3x – 8y + 24 are these Prime expressions or not?
Algebra 1 9th grade
Which of these are less steep? y=5x+6 y=5x-6 y=x-3 y=x+3 I think it is one of the last two, but I do not know
Algerbra 1, 9th grade
what would the y-intercept be for y=2x+5?
9th Grade Courses
For 9th grade science, which would be easier to take? Environmental Science or Life Science? Thanks -MC
9th grade
what are the physical features of niagra falls
9th grade
what is the amplitude of y=6 sin 1/8x
9th grade
sugar is a compound that is not made of ions. will it form an acidic,an alkaline or a neutral solution when it is dissolved in water? please expain your answer for me!
physical science 9th grade
how do you balance equations
9th grade
1. when non-human things are given simple human characteristics, this is an example of what? 2. however, when non-human things are given the ability to think, talk, and act consciously like humans, that is an example of what? 3. in what point-of-view is the narrator outside th...
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