February 12, 2016

Homework Help: 9th Grade

9th grade
solve the rational equation 4/x-2=x/12 would the answer be -1,3
Friday, August 22, 2008 by nicky

9th grade
what divides the earth into the northern and southren hemispheres
Friday, August 22, 2008 by Anonymous

9th grade Health
What is the ABCs of healthful living
Wednesday, March 12, 2008 by Derek

9th Grade English
can you tell me the rest of this saying? Knowledge is power~ If you learn to use it wisely you will also gain ______ _________ _______ .
Monday, January 22, 2007 by shelby

(-mn8)3 would it be: -m^3n^3164 (-mn8)3 = -24mn Without carrots I have no idea where your exponents are. how?I don't get this one? Is this Sandro from Mrs.Pfeiffer's class?What grade are you in? Leo is saying you need to use carets to show an exponent. As you have ...
Wednesday, November 8, 2006 by Sandro!

9th grade math i need help anything helps
1. For the data in the table, does y vary directly with x? If it does, write an equation for the direct variation. x y 10 15 16 24 20 30 (1 point) yes; y = 1.5x yes; y = 2x yes; y = x + 5 y does not vary directly with x
Sunday, January 3, 2016 by freddy

Grade 9th
If 6.5g of zinc reacts with 5.0g of HCL,according to the reaction.Zn + 2HCL:zncl2+h2 Which substance is the limiting reaction? How many grams of the reactant remains unreactant? How many grams of hydrogen would be produce?
Monday, December 22, 2014 by Ettefa Tirfessa

physics 9th grade
What is the impulse that must be applied to stop a 90-kilogram running back on a field at a speed of 4.5 meters per second. (Hint:remember the relationship of impulse and change in momentum)
Tuesday, November 18, 2014 by mya

Business Computers English Foreign Languages Health 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 ...
Thursday, October 9, 2014 by Anonymous

9th grade algebra
An Electrician Charges $120 After 2 Hours Of Work And $190 After 4 Hours Of Work. Write A Linear Model That Represents The Total Cost.
Sunday, October 5, 2014 by Amanda

9th Grade Bio
_______ is the process of digesting food and extracting the energy from it. Directions: Fill in the blank. Please help me answer this question. I've looked through all my textbooks and notes but they didn't mention this anywhere. Can someone please help me? Thanks
Monday, August 25, 2014 by Layla

9th grade algebra
suppose the population of deer in a state is 10,280 and is growing 1% each year. predict the population after 5 years.
Thursday, February 6, 2014 by mobile

I am doing my summer reading for 9th grade reading assignment & need to write about 10 passages from a variety of literary terms. Could you explain some of these terms?
Thursday, August 29, 2013 by Valerie

Math for Educators
Find the 9th term of sequence. 4, 12, 36, 108, .... The 9th term of sequence is ?? My answer 236,196 4+[3(n-1)] Correct?
Tuesday, June 4, 2013 by Carol

Math (9th grade)
Write an equation in point slope form of a line parallel to 12x-2y=6 and passes through the point (-4,-3)
Tuesday, January 29, 2013 by Lydia

Suppose you won a contest at 9th grade start that deposited $3,000 in an account that pays 5% annual interest compounded continuously. You go to college for four years (four years later). How much will you have then?
Monday, January 21, 2013 by Chencho el chancho choncho

urgence question for physic grade 9th
A truck gradually start off from rest with a uniform. accelleration of 2m/s2 .it reaches as velocity of 16m/s. Using this equation v2 +2as .what is distance it travell while its accellerating?
Thursday, January 17, 2013 by meer badok obany

9th grade Algebra
The question that Mr. Kirk helped me with a little while ago. I am trying to do it on my calculator this time. I cannot seem to come out with the answer. I can't seem to get a logical answer. Will you please explain it to me? I just cannot grasp it!!
Wednesday, August 22, 2012 by Reed

9th grade Algebra
Did I get the right answer for this? Evaluate the expression 3x squared - 5x when x= -2 My Answer is 46. I got this by doing 3 times -2 and squaring that and then multiplying 5 times -2 and subtracting that ( negative 10 ) from 36. Is this correct?
Wednesday, August 22, 2012 by Reed

9th grade math
The sum of two numbers is fifty-two. Their difference is twenty-two. What are the numbers?
Tuesday, April 3, 2012 by Coolio

Math 9th grade
2 angles have measures x and y. The sum of the measures of the angles is 180. Write a formula to express this relationship and solve the formula for y.
Sunday, December 18, 2011 by ....

9th grade math honors
suppose t(1)=-91 and -67 is another term of an arithmetic sequence, with. What is the equation of the nth term of the sequence if there are n terms between these two?
Sunday, November 6, 2011 by Anonymous

math 9th grade
the perimeter of a rectangle is 56 inches> the width of the rectangle is three-fourth of the length. Find the length of the diagonal of the rectangle. please help me!!!
Sunday, October 9, 2011 by Paula

Physical Science
A=Vf - Vi divided by 29 seconds Can you please help me. This is 9th grade Physical Science homework.
Tuesday, September 13, 2011 by Katelyn

Personal Project :)
Hey I'm Kaela, 9th grade and we're required to do a mini personal project. I can't decide on what to do :/ Anyone help? I'm interested with models, runways, model photo shoots, etc etc. :)
Tuesday, August 30, 2011 by Kaela

Math-Algebra 1
I need help with a pizzaz work sheet ASAP if i dont get this done i am on the verge of failing math and repeating 9th grade. its Pizzaz 11.10 thanks
Sunday, June 12, 2011 by Brandon S.

Product of Terms [ 9th Grade]
Whats the product of terms for (4a^2c^4)(3b^4c) ? ^ = exponenets.
Friday, June 10, 2011 by Sahud

Math 9th grade slopes
A line connecting (5, 6) to another point has an undefined slope. What is the closest point on this line with whole number coordinates below (5, 6)?
Friday, May 27, 2011 by Chelsea

lab science 9th grade
what is an easy way to remember the equations used for: kinetic energy, potential energy, work, and power?
Friday, April 22, 2011 by caylanne

9th grade science
A strong acid, HBr, has been dissolved into a beaker of water. If the solution is known to be 0.000 001 M, what is the pH solution?
Friday, March 11, 2011 by Amy

Spanish-9th grade
I have a question-I'm not sure of this translation: ¿Qué comes parea a uno? Does this mean What do you stop to eat at one or Where? I'm stuck on this one. Thanks you
Tuesday, March 8, 2011 by SammyLynne

9th grade math
the triange is 31cm, side 1 and side 2 have equal lenghts, while side 3 is one centimeter shorter than twice then length of side 1, how long is each side?
Friday, February 18, 2011 by Greg

9th grade Math
In the multiplication problem A S __x__A____ M A N each letter represents a different one of the ten digits 0, 1, 2, 3, 4, 5, 6, 7, 8, 9. Which one of the ten digits does A represent?
Saturday, January 22, 2011 by Trice

9th grade
the atmosphere..? a. creates tides b. has no effect on heat gain or loss c. allows heat to escape quickly in order to cool the planet d. keeps heat from escaping too quiclkly into space.
Sunday, December 12, 2010 by Anonymous

9th grade
the perimeter of a triangle is 31 cm. sides #1 and #2 have epual length, while side #3 is one centimeter shorter than twice the length of side #1. how long is each side
Friday, December 10, 2010 by dayday

9th grade geometry
If two angles are alternate exteriors and one of them has the measure of 3x squared, and the other had a measure of 21x what are degree numbers
Thursday, December 2, 2010 by Anonymous

Form1/9th grade
A mixture contains solids: Aluminium,camphor and sugar.Explain how you would obtain a sample of solid sugar from the mixture.
Tuesday, November 30, 2010 by Benjamin

9th grade physics
A sled of mass 50 kg is pulled along a snow-covered, flat surface with a force of 200 N. the friction force acting on the sled is 49 N. what is the acceleration?
Wednesday, November 17, 2010 by Cristian

9th grade Social Studies
i also have problems studying and understanding social studies. i don't know what to do my grades are way low. can you please give me some tips and ideas on how i can work on it?
Wednesday, November 10, 2010 by Angel

9th grade
what might be the efect of the following a)the covering tissue of the cappilaries is much thicker b)air sack tissue is much thicker
Wednesday, November 3, 2010 by riley

9th grade
you push a book on a table so that its velocity is constant. If the force you apply is 15 N, what is the force due to sliding friction
Monday, November 1, 2010 by bria

9th grade math
suppose u invested some money at 8% simple interest for five years. if u received $500 in interest, how much money did u invest?
Tuesday, October 26, 2010 by me

9th grade math
suppose you invested $1200 for four years. you earned $312 in simple interest. what is the interest rate?
Tuesday, October 26, 2010 by me

9th grade
In the odyssey, what is book 16, 17, 21, 22, and 23 about in a short summary? Also explain the conflict. Some Traits of an epic hero also. Please help!!!
Sunday, October 24, 2010 by k

9th grade, science
How to reverse a mixture of copper sulphate and distilled water? I know its a physical change but have no clue on how to reverse it!
Sunday, October 24, 2010 by Javal

9th grade physical science
a train moving west at a velocity of 15m/s is accelerated steadily to 17m/s over a 12 second period what is the acceleration of the train
Saturday, October 16, 2010 by cindy

9th grade
h=2.4t+32.2 paul's height is 69.4 inches. What is the approximate length, in inches, of paul's tibia bone?
Tuesday, October 12, 2010 by cyndi

9th grade
An uknown substance from planet x has a density of 10g/ occupies a volume of 80ml. what is the mass of this unknown substance
Monday, September 27, 2010 by gasharee

9th grade
An uknown substance from planet x has a density of 10g/ occupies a volume of 80ml. what is the mass of this unknown substance
Monday, September 27, 2010 by gasharee

9th grade
the line containing the points x=5+2t and y=-3+t. write the slope-intercept form of the equation of the line
Saturday, September 25, 2010 by jane casina

9th grade
A square made by a length of string 8 cm long is reshaped into a circle. What is the circumference of the circle
Friday, September 24, 2010 by Richard

9th grade
Around the time of the roman empire the terms inch, foot, and yard were refine. what was the length of a foot based on?
Friday, September 24, 2010 by Jacob

9th grade
how can a egg be a chemical change? How can an antacid tablet be a physical and a chemical change?
Thursday, September 23, 2010 by Nichole

9th grade math
if a man mixes 12 lbs. of peanuts thats $1.25 a lbs. with a pound of cashews at $1.80 a lbs. how many pounds of cashew do you need to make a $1.50 a lbs. mixture explain in words and numbers
Monday, September 13, 2010 by Giorgio

9th grade global history
In the book 1001 Arabian Nights where does it explain about thievery as a way of life,humor through trickery of the innocent and distrust of foreigners.
Wednesday, September 1, 2010 by Susan

9th grade
two of the forms of a linear equation are standard form and slope-intercept form. explain when each one is more useful
Thursday, August 26, 2010 by Donna

9th grade
I am woking on Patterns and Inductive reasoning. I need help on numbers 14-16. Find the next two sequence. 14. Martha, Abigail, Martha, Dolley... 15. Geroge, Thomas, Abe, Alexander.... 16.Aquarius, Pisces, Aries, Taurus.... Please help me!
Thursday, August 26, 2010 by Lola

9th grade
Identify the type of subordinate clause in the following sentence. The guy who ran out of the clinic is running late. noun adjective adverb
Monday, August 9, 2010 by Hannah

9th grade
At a certain time, a vertical pole 3 meters tall casts a 4 meter shadow. What is the angle of elevation of the sun? Round your answer to the nearest meter
Tuesday, August 3, 2010 by nae

9th grade Science (Biology)
My question is: How does the diversion of groundwater for industrial uses affect water quality? -- I don't understand what diversion is, so at least maybe you guys could explain that. Thanks!
Sunday, August 1, 2010 by Connor

9th grade
How many grams of water must be added to 2 grams of a 65% iodine solution in order to produce a 42% iodine solution? Round your answer to the nearest tenth
Monday, July 26, 2010 by SHAKAYLA

9th grade (Algerbra)
Why did Grok jump up and down the first time he saw a variable in algerbra class?
Monday, May 17, 2010 by Austin

Math 9th grade
x^2 + 5x +6/ x^2 - 3x -10 How do I do this? Is it asking me to divide? The answer choices are as following: A)x + 3/ x - 5 , x ≠ 5 B)x + 3/ x - 5 , x ≠ -2, 5 C)x2 + 5x + 6/ x - 5 , x ≠ 5 D)x2 + 5x + 6/ x - 5 , x ≠ -2, 5
Tuesday, May 4, 2010 by Nat

9th grade algebra
daniels print shop purchased a new printer for $35,000. Each year it depreciated at a rate of 5%. What will its approximate value be at the end of the fourth year?
Tuesday, May 4, 2010 by sophia

9th grade - Civics
When was the last time Washington D.C.'s Electoral College votes went to a candidate form the Republican Party? How many Electoral College votes do they have?
Wednesday, April 28, 2010 by Malik

9th grade science
explain how pouring water on a fire puts out the fire in more than 1 way
Wednesday, April 21, 2010 by sciencefreak101

9th grade
james accidentally spills 2 containers, mixing their contents. he checks and finds that 1 contains salt crystals while the other contained powdered sand. describe a method that he might use to separate the 2 mixtures without losing any of either mixture.
Wednesday, April 21, 2010 by sciencefreak101

9th grade acc. algebra
how do you do this? this is the full question and all info: "A line with a slope of -3 passes through the point (k,4). Find the y-intercept of the line in terms of k." I would like to know how to do this along with the answer so i can know im doing it right please!!
Tuesday, April 6, 2010 by alyssa

9th grade chemistry
At what temperature will 50. grams of NH4Cl just saturate 100. grams of water? (the 4 is the number of elements)
Monday, March 29, 2010 by chemistry challenged

math 9th grade
Find the angle of elevation of the of the sun when a 12.5 meter tall telephone pole cast a 18 meter shadow.
Tuesday, March 23, 2010 by candler

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
Tuesday, March 2, 2010 by adrian villanueva

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???????
Tuesday, March 2, 2010 by NIki

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?
Sunday, February 21, 2010 by Anonymous

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
Wednesday, January 27, 2010 by leona

9th grade
how do i solve 3y-4+3x-5x+2 and solve for x and y
Thursday, January 7, 2010 by maddie

9th grade
how much heat is needed to change 20g of ice at negative 10 degrees c to water vapor at 200 degrees c
Tuesday, January 5, 2010 by cait

9th grade Math
Discuss how you might use the ski slope to help remember the numerical slope of a vertical line.
Thursday, December 10, 2009 by Mia HELP!!

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?
Thursday, November 12, 2009 by Princess

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?
Thursday, November 12, 2009 by Gazal

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
Friday, October 23, 2009 by betty

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)
Saturday, October 17, 2009 by jacky

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.
Sunday, September 27, 2009 by melissa

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.
Wednesday, September 23, 2009 by Ashlie

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!
Sunday, September 6, 2009 by Misty

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.
Sunday, September 6, 2009 by chris

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?
Monday, August 31, 2009 by chasadena smith

9th Grade Biology
Has plant life on earth evolved and have rose bushes always been around on earth?
Sunday, May 31, 2009 by Meghan

9th grade global
one effect of rgged, mountainous geography on the civilization of ancient Greece was the development of -absolute monarchies -seperate, independent city-states -extensive trade with the Persians -belief in one God
Sunday, May 31, 2009 by Chantel

9th grade Global
China under th Han dynasty and the Roman Empire were similar in that both grew wealthy because they..... -developed extenive trade networks -encouraged democratic ideals -established free-market economies -created classless societies
Sunday, May 31, 2009 by Chantel

9th grade Math
ok I need help with this math question and will need help with a few others after this one is answered. -8=y/4 <-- Y over 4 i think Y = 2 but idk help me
Thursday, April 23, 2009 by bollocks

9th grade
Erin's age is 3 times Warren's. In 4 years she will be twice as old as he will be. How old is each now?
Thursday, April 16, 2009 by Leroy

9th grade weighte average
how should i do weighted average
Thursday, March 26, 2009 by josh

9th grade health
The _______ region is the lower middle abdominal region located between the right and left iliac regions. A. hypogastric C. hypochondriac B. epigastric D. lumbar A
Wednesday, March 25, 2009 by Anonymous

9th grade
I need to write an essay on something I have accomplished using 5 adjectives and 2 inference words. What are some examples of inference words?
Wednesday, March 18, 2009 by Joanna

9th grade
My question is on scales etc.. heres the question | The Sears Tower is 1450 feet tall. If a model is 25 inches tall, find the scale.
Thursday, February 26, 2009 by bollocks

9th grade Health
I have to know what recommendations concerning starch in our diet, and the chemistry of starch as well. Please help?
Wednesday, February 11, 2009 by Cassandra

how do i reword this sentence to a 9th grade leverl. students know that charged particles are sources of electric fields and are subject to the forces of the electric fields from other charges.
Monday, January 26, 2009 by marie

9th grade English
I'm having a hard time understanding the difference among a subordinating conjunction, a correlative conjunction, and a coordinating conjunction. Thank you! Thank you!
Friday, January 9, 2009 by Lauren.

sra McGuin
Hi - where would I scan these to - thanks again my child thinks you are the best - nice to see people who make such a positive impact on kids. 9th grade and all honors classes is tough.
Thursday, January 1, 2009 by sam's mom

sra JMcGuin spanish
Hi This is sam's mom - you have helped my child enormously - Whenever work is done with you the grade is amazing. Finals ae coming up and I think you are close to us. We live on the west side and go to school in the valley. SO anywhere would be convenient - We have a tutor...
Thursday, January 1, 2009 by sam's Mom

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