April 1, 2015

Homework Help: 10th Grade

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3rd grade english
wat is a noun
Sunday, January 27, 2008 at 2:34pm

4th grade Algebra
How to solve this problem. 3X-Y=12
Thursday, January 24, 2008 at 5:53pm

5th Grade Math Problem
If 1=4, 2=7, 4=13, 5=16, 8=25, what is the pattern?
Thursday, December 20, 2007 at 6:17pm

Grade 10 MATH
Wednesday, December 5, 2007 at 7:56pm

essay please check writeacher
Describe the world you come from- for example, your family, community or school -- and tell us how your world has shaped your dreams and aspirations Being the first in my family to attend college is not so easy. There has never been anyone at home to help or to guide me. I did...
Thursday, November 29, 2007 at 12:57am

can anyone help me on my chemistry problem. i need a merck index to solve this. i have a PH of 10.7 and the nearest solution that is near to it is 10.32. The solution that is 10.32 is NaHCO3. i subtract both of them to get the ratio of log (HA)/(A-). i took that value to the ...
Thursday, October 18, 2007 at 8:41pm

An instructor counts homework as 1/3 of the student's grade and the final exam to be 2/3 of the student's final grade. Going into the final exam a student has a homework grade of 48%. What range of scores on the final exam would put the student's final average ...
Sunday, September 30, 2007 at 8:08pm

Social Studies
How do you start a community? Please explain your question. Are you asking about how to start a town of people? Or a community of crayfish? Or a special interest community, such as a club or a church? We'll be glad to help you if you clarify your question. We are asking ...
Thursday, August 16, 2007 at 7:01pm

physics-please check
is this right?: when a form of energy changes from one form to another some energy may transfrm into a useful form, those useful form of energy is high grade energy.while the rest of the energy will always change to form we cannot use.which is called the low grade energy. if i...
Monday, May 14, 2007 at 4:46am

To measure the length of a hiking trail, a worker uses a device with a 2-foot diameter wheel that counts the number of revolutions of wheel makes. If the device reads 1,100.5 revolutions at the end of the trail, how many miles long is the trail, to the nearest tenth of a mile...
Sunday, May 13, 2007 at 5:23pm

Sam must have an average of 70 or more in his summer course to obtain a grade of C. His first three test grades were 75,63, and 68. write an inequality representing the score that sam must get on the last test to get a C grade​...
Tuesday, April 24, 2007 at 11:47pm

1st grade math please help!!!
Tuesday, April 24, 2007 at 10:29pm

it says solve for all real solutions, compute inverse functions to 4 sigfigs. cos^2x=3-5cosx Devon, what grade level are these questions from? I am having the same problems as with your 9:14 post. Please see my partial solution in the post to bobpursely at 10:54 Devon, I have ...
Monday, April 16, 2007 at 9:57pm

Social Studies
They can be 2-5 paragraph essays, not looking for excellent work just easy essays to turn in...if i dont do these i dnt pass my senior year, this is make-up work from 10th grade .. Essays i need done: -Charcter analysis of an epic hero(essay and sketch). -What is the role of ...
Friday, March 23, 2007 at 3:09pm

Are you trying to solve for x, n or p? solve for n Show me how to work this problem. 2n = 4xp - 6 what is the problem? what grade r u in iam in 6 grade To get n all by itself, you need to divide by 2. But if you divide by 2 on the left, you have to divide by 2 on the right...
Wednesday, March 14, 2007 at 8:22pm

Can someone please help me with this problem? An iron nail placed in a beaker with a solution of silver nitrate will cause pure silver to collect on the bottom of the beaker. Write a balanced equation for the reaction that occurs. This is what I have so far: Fe + AgNO3 --->...
Wednesday, February 28, 2007 at 10:20pm

Derivatives are usually not taught in 5th grade. That is what your question is about: Rates of change. Complete the following statements with the correct words Note: Correct spelling is important. If s(t) is a distance (or height or position) function, then s'(t) would be ...
Monday, February 19, 2007 at 10:00pm

how do you do fractionation? huh??/ What grade are u in?
Wednesday, February 7, 2007 at 7:19pm

If 100mL of 1mol HCL is mixed with 100 mL of 1mol NaOH, a temp rise of 6.2C occurs. What temp change will be obserbed, if under the same conditions, 10mL of 1mol NaOH is mixed with 10mL 1mol HCL? x Why wouldn't it be the same? One gets 1/10 th of the heat, but has only 1/...
Thursday, February 1, 2007 at 8:33am

Math Help Please (I Am New In This Website)
How do you multiply 367 by 72? the answer depends on your grade. Tell us what Grade in School you are in. Multiply 367 by 2; write down the answer. Multiply 367 by 70; add it to the answer above. Let us know what your answer is and someone here will give you feedback.
Saturday, January 27, 2007 at 7:55pm

Math, Geometry and Physics
An enemy ship is on the east side of a mountainous island. The enemy ship can maneuver to within 2500 meters of the 1800 meter high mountain peak and can shoot projectiles with an initial speed of 250m/sec. If western shoreline is horizontally 300 meters from the peak, what ...
Tuesday, January 16, 2007 at 10:40am

can someone correct this for me please. Statistics. Sam must have an average of 70 or more in his summer course to obtain a grade of C. His first three test grades were 75,63, and 68. Write an inequality representing the score that Sam must get on the last test to get a C ...
Tuesday, January 9, 2007 at 7:38pm

math correction
can someone correct this for me.or teach me if i'm wrong Statistics. Sam must have an average of 70 or more in his summer course to obtain a grade of C. His first three test grades were 75,63, and 68. Write an inequality representing the score that Sam must get on the last...
Monday, January 8, 2007 at 1:45pm

(-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 at 5:44pm

Our son's 3rd grade teacher gave out a homework assignment which had the students make a sentence for each of their spelling words and then circle the "noun" in the sentence. We received his homework back from the teacher with the words, "I, you, He", ...
Wednesday, October 25, 2006 at 7:25pm

I'm supposed to design a device that will protect a raw egg, GRADE A, (not that its really important to know what kind of egg it is... LOL) But, it will drop from a 12 FOOT height to a concrete floor. The only materials that I'm allowed is about 9 sheets of "8.5 X...
Friday, October 13, 2006 at 11:20am

homework !!
My daughter did excellent in school last year (grade 1) She was reading at a grade 2 level, and loved school. Now, she says she can't read, won't read and when she tries she is getting all the small words wrong. Is she playing me or does she have a problem?? My first ...
Tuesday, September 19, 2006 at 3:01pm

Language Arts
I left my McMillian text book for language arts in school today and I have homework on page 2 and 3. I'm in the 6th grade does anyone have that book. I really really need those questions. I don't know if this gives page numbers that correspond with your text or even if...
Monday, September 11, 2006 at 5:04pm

math question
hi, i have a math question that i need help with: when data are non-numerical but can be ordered, such as letter grades, the mean cannot be calculated directly; but both the median and mode can be found. Last year in Ms. Flag's history course, the final grades were 8A'...
Tuesday, August 29, 2006 at 3:17pm

Which of these words has the same denotative meaning a, but a different connotative meaning than, the word COPIOUS. A. meager B. abundant C. lavish ******* D. sparse An award is given every year to the student ______ has the highest grade-point average. Which of these ...
Wednesday, April 1, 2015 at 10:04am

5th grade math
Letitia is making a pizza that needs to cover 36 square inches. give two possible sets of dimensions (length and width) that will give Letitia's pizza the desired area. also give the perimeter for each set.
Monday, March 30, 2015 at 9:18pm

5th grade math
Meg is making ribbons for the country fair. she needs to glue edging around the outside of the circular part of the ribbon shown. about how many centimeters of edging does she need? 5 cm 7 cm 9 cm 28 cm
Monday, March 30, 2015 at 8:06pm

5th grade math
The circumference of a circular trampoline is 44 feet. Estimate the radius of the trampoline
Monday, March 30, 2015 at 7:53pm

Grade 11 Chemistry
Calculate the concentration of I- in an aqueous solution prepared in a 250 ml volumetric flask from 50.0 ml of a 0.840 mol/L aluminum iodide solution and 160.0 ml of a 0.500 mol/L tin(IV) iodide solution.
Saturday, March 28, 2015 at 11:38pm

Grade 11 Chemistry
calculate the molarity of cl- ions in a solution made from mixing 50.0 ml of a 0.100 m/l solution of ferric chloride with 50.0 ml of a 0.500 mol/l solution of ammonium chloride
Saturday, March 28, 2015 at 11:22pm

A statistics quiz consists of 10 multiple questions. There are four choices for each question. One student is unprepared and decides to guess the answers to every question. Assuming 70% is a passing grade, find the probability that the student will pass the quiz.
Saturday, March 28, 2015 at 1:28am

geography,life sciences,maths lit and consumer studies
am in grade 11 so i dnt knw wht career i wnt to do after finished matric so plz help me
Friday, March 27, 2015 at 10:10am

6 grade math
Choose all statements that are not true. a 20% of 20 is 4 b 30% of 30 is 9 c 40% of 50 is 15 d 50% of 110 is 60 e 60% of 60 is 360 The answer I choose is all of them. Is this correct.
Thursday, March 26, 2015 at 7:55pm

5th grade math
Find the value of 'n' to make each statement true. 1. 22 times n is between 80 and 85
Thursday, March 26, 2015 at 7:16pm

5th grade math
Find the value of 'n' to make each statment true. 1.22 x n is between 80 and 85
Thursday, March 26, 2015 at 6:59pm

7th grade math (probability)
Can you check these, please? Ten cards numbered 1 through 10 are mixed together and then one card is drawn. Find the probability of each event. Write each answer as a fraction, percent, and decimal. 14. P(less than 5) = 4/10 = 2/5 Ans: 2/5, 40%, 0.4 15. P(greater than 3) = 7/...
Thursday, March 26, 2015 at 6:42pm

4th grade math
The drill team is selling cookies to raise money. It costs .78$ to make each cookie. They sell them for $1.50 each. If they sell 253 cookies, how much profit will they make? Do I have to subtract the .78 from 1.50 then multiply that answer by 253? Or do i forget about the $1....
Tuesday, March 24, 2015 at 6:07pm

Science grade 8
Which chemical equation is balanced? 1. H20 H 2 + 20 2 2. 2H20 2H2 +0 2 3. 2H20 H2 + 20 2 4. H2O 2H2 + 20 2 Im super confused... But I think its 4?? Im probably wrong so please help?!?!
Monday, March 23, 2015 at 6:03pm

english grade 8
11. Which sentence contains a predicate pronoun as a subject complement ? (1 point) A. The best person for the job is she. B. The ground is sloping and uneven. C. We Wondered what happened to him. D. Amy is employee of the week. I think it's C or D , help ?
Monday, March 23, 2015 at 12:16pm

Monday, March 23, 2015 at 11:35am

For more than 4000 years the Great Pyramid of Giza stood as the tallest structure in the world. After it was completed, the pyramid stood an amazing 481 feet high. Y 9 th. grade math Semester Project: The Great Pyramid of Giza
Thursday, March 19, 2015 at 7:46am

3rd grade math
what is the standard form of 213
Wednesday, March 18, 2015 at 6:32pm

4th grade math
What is the fomula to figure out the reasoning to this question? "Kurt cut pizzas into wedges measuring 40 degrees. If each person eats one piece of pizza, how many people could he feed with two whole pizzas?
Wednesday, March 18, 2015 at 5:26pm

Math - 7th grade (repost)
Can someone please help? I'm given a box and whisker plot that represents the cost, in dollars, of 12 CDs. How can I determine how many CD's cost between $14.60 (Q1 value) and $26 (Q3 value) and how many CD's cost less than $14.60?
Wednesday, March 18, 2015 at 7:08am

Math - 7th grade
I'm given a box and whisker plot that represents the cost, in dollars, of 12 CDs. How can I determine how many CD's cost between $14.60 (Q1 value) and $26 (Q3 value) and how many CD's cost less than $14.60?
Tuesday, March 17, 2015 at 11:36pm

Math 7th grade
Geraldo bought some computer software on layaway. He paid $12 down and must make a payment of $5 each week for 4 weeks. How much will Geraldo pay in all?
Monday, March 16, 2015 at 7:54pm

the eighth grade students are selling magazine subscriptions to raise money for a class trip. they earn $3 for every subscription they sell. so far, they have earned $228 of the $396 needed. how many more subscriptions must the students sell to meet their goal?
Monday, March 16, 2015 at 7:25pm

3 rd grade Math
If the hexagon represents one whole, what fractions do the trapezoid, the parallelogram, and the triangle represent? explain how you found your answers. can anybody please explain this how to tell to my son.
Monday, March 16, 2015 at 4:08pm

Language Arts second grade
I had to make a complete sentence using, won't, turn and on. I could add any additional words. My sentence is ...The tv won't turn on mom and dad. My mom says that's not correct grammar?
Monday, March 16, 2015 at 3:57pm

math(5th grade)
some 1 centimeter squares are arranged in a staircase pattern. The drawing below shows a 3 step staircase. the area is 6 square centimeters and the perimeter is 12 centimeters. what is the area and perimeter of a 10 step staircase? pls help!
Monday, March 16, 2015 at 12:36am

12th Grade
What career can I study if I am doing this subject: Mathamatical literacy ,Accounting , Economics And Business studies anyone who can help?
Sunday, March 15, 2015 at 11:31am

7th grade geometry
When wrapping a present in the shape of a rectangle prism, joe adds an additional 2.5 feet of paper to allow for overlap. How many sq ft does he use to wrap a gift 3.5 ft long, 18 inches wide, and 2 ft high?
Thursday, March 12, 2015 at 5:34pm

5th grade Math
4 x blank is greater than 12 but less than 16. Answers can be in mixed fractions and/or improper fraction. Can someone please explain how to do this?
Wednesday, March 11, 2015 at 8:56pm

Math 5th grade
John brings fruit punch to a school party. He brings 6 gallons of fruit punch but the students only drink 3/4 of it. How much did they drink?
Wednesday, March 11, 2015 at 8:48pm

Math - 7th grade
Can you check following? 1. The football association wants to increase the number of students who attend the football games for the upcoming season. In order to accomplish this, the association is surveying students to gain more information about student interest in sports. ...
Wednesday, March 11, 2015 at 7:56pm

4th grade Science
why are acids that are found in the stomach and sweat important? HELP
Monday, March 9, 2015 at 10:06pm

3rd grade fraction
Antonio has 15 pennies in his pocket. Five eighths of his coins are pennies. How many coins does Antonio have in his pocket.
Monday, March 9, 2015 at 9:31pm

4th grade Science
explain how your circulatory and immune systems work together to keep you healthy. Pleaseeeee help!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Monday, March 9, 2015 at 9:25pm

(ASAP!!) can somebody tell me the answers to the measurement test on Connexus academy lesson 17 unit 2 measurement test, so I get a good grade.
Sunday, March 8, 2015 at 7:42pm

5th grade Science
A plastic boat has a mass of 3600g and a volume of 1200cm cubed; what is the density? I figured out the answer to this first ? is 3g/cm cubed I need help with Does the boat float in water? Why or Why not?
Sunday, March 8, 2015 at 5:43pm

11th Grade Geometry
A yardstick casts a shadow of 24 in. at the same time a telephone pole casts a shadow of 20 ft 8 in. What is the height of the telephone pole, to the nearest inch? (1 yd = 36 in., and 1 ft = 12 in.)
Friday, March 6, 2015 at 12:39pm

5th grade math
Kallisto built a rectangular sign that measured 2 3/4 feet in length by 1 1/2 feet in width. To find the area, multiply the length and width. what is the area of the sign in square feet? Write an equation to solve. 2 3/4 1 1/2 +2 3/4 1 1/2 =11/1/2 ------ ----- 4 6/4= 2 2/2=3
Thursday, March 5, 2015 at 11:26pm

5th grade math
It takes Marty 1 1/4 hours to get ready for school. If 1/5 of that time is used to shower, what fraction of an hour does it take him to shower? 1/4answer
Thursday, March 5, 2015 at 11:18pm

math 5th grade
if you have a drawer with 10 black socks and 8 white socks, what is the probability that you would reach in and choose a white sock without looking?
Thursday, March 5, 2015 at 6:26pm

using skills
At which grade level is it most appropriate for children to group by more than one attribute? A. Four years old B. Kindergarten C. Preschool D. Primary my answer is d.
Thursday, March 5, 2015 at 5:46pm

Math 6th grade
Explain what a neutral field is.
Wednesday, March 4, 2015 at 9:03pm

6th grade math
Use the scale 1/4 = 9 ft to represent a 27 ft square
Wednesday, March 4, 2015 at 8:50pm

Science 8th Grade
Items of clothing rub against each other when they are in a clothes dryer. This can sometimes cause a person to feel a slight shock when he or she removes the clothes from the dryer. This is due to A. The dryer not being grounded B. Static Electricity **** C. Current caused by...
Wednesday, March 4, 2015 at 2:44pm

7th grade science
how much work is done on an object with 25 kg on earth if it moves 13m? i really need help
Tuesday, March 3, 2015 at 11:17pm

I'm helping my son he is in 4th grade . His hw it's hard and this is the problem : find two mixed numbers. So that the sum is 7 2/8 and the difference 2 4/8.
Tuesday, March 3, 2015 at 9:33pm

Science 8th Grade
1. How Will resistance change when the voltage increases in an electrical circuit if the current remains constant A. It will decrease **** B. It will stay the same C. It will increase D. It will decrease, then increase
Tuesday, March 3, 2015 at 6:17pm

7th Grade Math.
I have been trying to work this out but just cant. Find the function rule. X -2 -1 0 1 2 Y 9 4 -1 -6 -11 Thanks, ~JH
Tuesday, March 3, 2015 at 4:11pm

The value of the dependent variable in a function is always __________ the value of the independent variable. 1.GREATER THAN 2.DEPENDENT ON 3.LESS THAN 4.EQUAL TO
Tuesday, March 3, 2015 at 10:32am

1200 high school freshman were randomly selected for a national survey. Among survey participants, the mean grade-point average was 2.8, and standard deviation was 0.6. What is the margin of error, assuming a 95% confidence level?
Friday, February 27, 2015 at 1:18pm

7th grade math
Can you help with geometry? 1. Sally constructs a triangle with one side 6 inches long and another side 8 inches long. What is the 3rd side? (haven't learned Pythagorean theorem) Ans: 6 + x > 8 x > 2 6 + 8 > x 14 > x 8 + x > 6 x > -2 so, x must be > 2...
Friday, February 27, 2015 at 7:31am

3rd grade math
A parking lot near the sports field holds a total of 52 vehicles. There are 42 cars parked there now. Half of these cars are red, 10 are blue, and the rest are silver. What fraction of the cars are silver?
Friday, February 27, 2015 at 12:07am

3rd grade math
Two thirds of the musicians in a 16-piece band are girls. the 16 musicians include 12 brass players. what fraction of the band plays brass instrument?
Thursday, February 26, 2015 at 11:31pm

6th grade geometry
If the area of a triangle is64 is the base 16 and the height 32?
Wednesday, February 25, 2015 at 11:18pm

My Grades
My math grade is an B+ should I do a retake for extra credit? This will consist of extra credit opportunity's in portfolios and test. Thank you very much! -Emolga
Wednesday, February 25, 2015 at 10:36am

5th grade math
Marcus is building a rectangular box for his kitten to sleep in. He wants the area of the bottom of the box to be 360 square inches and the length of one side to be 1 3/5 the length of the other side. What should the dimensions of the bottom of the bed be?
Monday, February 23, 2015 at 9:49pm

A student takes a ten-question true-false quiz, but did not study and randomly guesses each answer. Find the probability that the student passes the quiz with a grade of at least 70% of the questions correct
Friday, February 20, 2015 at 11:48pm

life orientation(grade 12)
hey um given the same assignment can some one answer me for nunber 1.7plz
Thursday, February 19, 2015 at 11:03am

Given the following information about a sample, calculate a z score for a test grade of 91. = 87, s = 4.01
Thursday, February 19, 2015 at 9:25am

Math Ms Sue
Which expression would you use to find the area of a rectangle with a width of 4 inches and a length of 6 inches? 4+6 4x6 8x12 8+12 Ms Sue this is Karen you helped in College English so well I am trying to help my 3rd grade granddaughter with no math book just problems
Wednesday, February 18, 2015 at 4:21pm

3rd grade math
The lengths of the sides of a garden are 24 ft, 14 ft, and 35 ft. What is the gardens perimeter?
Wednesday, February 18, 2015 at 4:02pm

3rd grade math
mrs. lens wants to put a ribbon around the edge of a pillow. which tool and unit should she use to measure the perimeter of the pillow? measuring tape or ruler or yard stick?
Tuesday, February 17, 2015 at 9:34pm

I'm just having trouble trying to see the independent and dependant variables. I have to determine whether the following are functions: The relation between distance and time if someone walks 5km/h. I think distance would be the independent variable because you can go ...
Monday, February 16, 2015 at 4:53pm

What age grade (age set) do you find in the United States? Are there more than one?
Thursday, February 12, 2015 at 9:27pm

6th grade math
When solving an inequality, why is it necessary to perform the same operation on each side of the inequality sign?
Wednesday, February 11, 2015 at 5:49pm

math(5th grade)
sally singleton's batting average is 0.375 and she has been at bat 120 times. How many times has sally hit the ball? pls help
Wednesday, February 11, 2015 at 1:45am

I'm in grade 5 and I need help on an area and perimeter question. The area of a rectangle is 300mm and the length of it is 15 mm. I need to find out the width of this rectangle.
Tuesday, February 10, 2015 at 7:19pm

I'm in grade 5 and I have a area and perimeter question. The area is 300mm2 and the width is 15mm, I need to know what the length is. Thanks for your time.:-)
Tuesday, February 10, 2015 at 7:05pm

the grade of 8 students on a 10-point test were 1,3,5,5,7,8,9,10 comute the mean of these scores
Monday, February 9, 2015 at 9:32pm

Grade 9 French
I need help I'm trying to find a rap to help me with the present and irregular verbs
Monday, February 9, 2015 at 8:56pm

Helping 3rd grade granddaughter and I am lost What property does this show? ****=* * * * This is all that is shown
Monday, February 9, 2015 at 4:20pm

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