Tuesday
September 23, 2014

Homework Help: 10th Grade

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MATH!!!
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

algebra
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 http://www.jiskha.com/display.cgi?id=116​...
Tuesday, April 24, 2007 at 11:47pm

1st grade math please help!!!
8...
Tuesday, April 24, 2007 at 10:29pm

trig
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

Math
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

chemistry
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

math
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

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

Chemistry
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

math,correction
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

Algebra1234567890!
(-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

Noiuns
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

physics
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

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

statistics
The mean grade in this class last semester was 78.3, and the variance was 34.6 . The distribution of grades was unimodal and symmetrical.. determine how many students are likely to fail the class (<60), and how many students are likely to get a “A” (>90), if ...
Tuesday, September 23, 2014 at 11:09am

5th grade Math
A recipe call for the following ingredients: 3c flour 1/2t salt 3/4c sugar 4c fruit 2T butter To make 2/3 of the recipe, how much of each ingredient should you use. Question, should I multiply of divide by 2/3?
Saturday, September 20, 2014 at 8:04pm

English
1. Class 2 in the second year won first place. 2. Class 2 in the second grade won first place. 3. Class 2-2 in the second year won first place. 4. Class 2-2 in the second grade won first place. (Are they all grammatical and teh same in meaning?)
Thursday, September 18, 2014 at 8:48pm

math 4th grade
Find two numbers the exact answer is between 3x567
Thursday, September 18, 2014 at 3:44pm

math grade 4
James has 12 seashells mounted in a row. The 6 shells in the center of the row are nautilus shells. Is there the same number of shells on either side of the nautilus shells?
Thursday, September 18, 2014 at 3:17pm

sixth grade math
Multiply. Write each product in simplest form. 1. 2 3/8 * 1 3/5 = 3 4/5 2. 1 5/6 * 2/3 = 11/10 3. 7/8 * 3 1/3 = 35/27 Do I have the correct answers? If not can someone show how to solve them?
Wednesday, September 17, 2014 at 11:37pm

sixth grade math
Multiply. Write each product in simplest form. 1. 2 3/8 * 1 3/5 = 3 4/5 2. 1 1/5 * 3/5 = 18/25 3. 1 5/6 * 2/3 = 11/10 Do I have the correct answers? If not can someone show me how to solve them?
Wednesday, September 17, 2014 at 10:49pm

math 6th grade
Maritza is baking cookies to bring to school that requires 3 eggs and 2 cups of sugar. To have enough for everyone she bought 12 eggs will 6 cups of sugar be enough? I tried multiplying 3 x 4 = 12 so then multiplied 2 x 4 which is 8 so there would not be enough but we are ...
Wednesday, September 17, 2014 at 8:26pm

4th grade math
GCM OF 12 and 20. Please explain
Wednesday, September 17, 2014 at 6:51pm

math
How to write math paragraph for k+8=5 and, w+12=5 8th grade
Tuesday, September 16, 2014 at 1:01am

Grade 11 Math functions
y=x^2-5x+6 Domain= {xeR or 2<x<3 } Range={ } What is the range?? please help! thank you.
Monday, September 15, 2014 at 9:16pm

5th grade math
the park family is staying at a hotel near an amusement park for 3 nights. the hotel costs $129 per night. how much will their 3-night stay in the hotel cost.
Monday, September 15, 2014 at 7:03pm

5th grade math
vidal bought 2 pizzas and cut each into 8 slices. he and his friends ate 10 slices. write an expression to match the words.
Monday, September 15, 2014 at 7:01pm

Social Studies
I am doing the 5th grade final lesson for Unit 1 on Social Studies, and i would like to know if there are any main points i should focus on in the printing press,Internet, or computer.
Monday, September 15, 2014 at 1:39pm

8th grade math
what is 5² / 5⁵ = ? other options are: a) 5¹ b) 5³ c) 5⁴ d) 5² **** Is 5² right?
Monday, September 15, 2014 at 12:15pm

programming
write a programe which calculate the number of five subjects also show the average and grade of the desire total.
Monday, September 15, 2014 at 12:14pm

Grade 9 Science
In each situation s below , it seems that a new substance may have been produced. Explain why each situation represents a physical change. a) A tailor makes a new suit out of a piece of fabric. b) A chef makes a salad out of lettuce, tomatoes and cucumbers. I really need ...
Sunday, September 14, 2014 at 6:32pm

8th grade homework
Please help me I beg of you! My math teacher is awful and I have no idea how to do my pretest and she's picky about showing my work so it would be helpful if you could explain :) 1.six is subtracted from a number. The result is devided by four. This result is added to 10 ...
Sunday, September 14, 2014 at 12:20pm

Physics - Grade 10
Grant stands 3 meters from the check out at the grocery store holding a 20N bag of potatoes for 10 minutes. How much work does he perform?
Sunday, September 14, 2014 at 5:47am

History/Song/Play trying to remember
HI, so when I was in the fifth grade I was in a play and I had to sing this song, but all i can remember of it is this: in 1776 you see, we vowed to have our liberty for parlaiment carried a stick.. a sti-i-ck Does anyone know this?
Saturday, September 13, 2014 at 3:58pm

Grade 9 Math
how would you expand: -(w - 30)^2 + 80w + 600
Friday, September 12, 2014 at 4:26am

Algebra Grade 10
A man wants to create a Japanese garden with a parabolic footbridge to cross the creek in front of his garden. The bridge needs to span 5 meters and - according to the design he has selected - is 2 meters tall at the apex. Find a quadratic model that describes the shape of the...
Friday, September 12, 2014 at 4:24am

5th grade math
A small company packs 12 jars of jlly into each of 110 boxes to bring to the farmers market. how many jars of jelly does the company pack in all
Thursday, September 11, 2014 at 8:05pm

7th grade math
A large carton of juice holds 12 cups. How many 3/4 cup servings does the carton hold? I'm not sure how to solve it at all.
Thursday, September 11, 2014 at 5:25pm

7th grade math
Carrie has a 10ft long plank of wood. She want's to cut three pieces that are each 2 2/3 feet long from the plank. how long will the plank be after she cuts off the three pieces?
Thursday, September 11, 2014 at 5:22pm

Grade 10 Maths
An area for planting crops is given by: A = 800 + 20x - 1/2x^2 Find the value of x which the area is a maximum
Thursday, September 11, 2014 at 5:23am

8th Grade math
a student says there can only be 360 different rays emanating from a point since there are only 360 degrees in a circle. Is this true? Why or Why not?
Thursday, September 11, 2014 at 12:14am

8th grade math
Maggie claims that to make the measure of an angle greater, you just extend the rays. How do you respond?
Thursday, September 11, 2014 at 12:08am

8th grade math
Henry claims that a line segment has a finite number of points because it has two endpoints. How do you respond?
Thursday, September 11, 2014 at 12:01am

7th grade math
how do I solve for this: If 5/6 is divided by a certain fraction, a/b, the product is 1/4. What is the fraction a/b? Ans: (5/6)/(a/b) = 1/4 = do i need to divide both sides by 1/4 to get (5/6)/(1/4) = (5/6)x(4/1) = 20/6 = need to somehow get a/b by itself not sure what to do...
Tuesday, September 9, 2014 at 9:56pm

8th grade math
mr.nelson sold 147 bags of popcorn and 216 of water in 3 days. at this rate how many more bottles of water than bags of popcorn will mr. nelson sell in 5 days?
Tuesday, September 9, 2014 at 8:36pm

8th grade math
juliet bought a pair of pants that normally cost $40 for a sale price of $24. what was the percent discount on the pants?
Tuesday, September 9, 2014 at 7:30pm

8th grade math
a survey said that 60 people voted against new environmental restrictions that were on the ballot. that constituted 30 percent of those who voted. how many people voted in all?
Tuesday, September 9, 2014 at 7:13pm

8th grade math
in a catalog a jacket was marked down from $75 to $48. what was the percent of discount on the jackets original price?
Tuesday, September 9, 2014 at 6:39pm

5th grade math
explain how did you decide on the number of zeros in the product.
Tuesday, September 9, 2014 at 5:56pm

7th grade math
132 1/6 - 99 5/6 evaluate the expression
Tuesday, September 9, 2014 at 5:23pm

Hard math 7th grade
What is the value of 42 – 2(3 • 5 + 1)? (1 point) 8 1 –16 –21 4. What symbol is needed between –2 and |–3| to make a true statement? (1 point) < > = 5. What is the value of (32 + 1) – 14 ÷ 2? (1 point) 2 3 –3 –2
Tuesday, September 9, 2014 at 3:43pm

Math 4th grade
9,924 9 is the underline digit round each digit... I think it's 10,000
Monday, September 8, 2014 at 6:15pm

4th grade math
128,955 . Round each number to the place of the underllined digit. 8 is the underlined digit
Monday, September 8, 2014 at 6:08pm

8th grade math
How do you express 3.16 x 10 to the 3rd power in standard decimal notation form.
Sunday, September 7, 2014 at 9:30pm

6th grade math
Integers from greatest to least... ( 6,17,-20,15,-19,26) can some help me ??
Friday, September 5, 2014 at 10:20pm

7th grade math
identify a value of x for which sum of 3+x is positive
Wednesday, September 3, 2014 at 11:52pm

7th grade math
when x is nonzero integer the sum 0f 3+x is sometimes negative and sometimes positive. Identify a value of x for which the sum of 3+x is negative.
Wednesday, September 3, 2014 at 9:10pm

8th grade math
a square photo display board is made up of 60 rows of 60 photos each. the area of each square is 4 in. how long is each side of the display board?
Wednesday, September 3, 2014 at 7:21pm

4th grade grammar
Many people show their feelings with presents? What is the simple subject of the sentence? Presents?
Wednesday, September 3, 2014 at 7:16pm

4th grade grammar
The oldest known Valentine'sDay card dates from 1415? What is the simple subject?? I think it's card??
Wednesday, September 3, 2014 at 7:09pm

SIXTH GRADE MATH
Sam's credit card balance is less than -$36. Does Sam owe more or less than $36? The answer he owe more than $36.
Tuesday, September 2, 2014 at 11:16pm

6th Grade Math
Can someone please show me how to work this problem below? Jacob earned $80 babysitting and deposited the money into his savings account. The next week he sepnt $85 on video games. Use the integers to describe the weekly changes in Jacob's saving account balance.
Tuesday, September 2, 2014 at 9:26pm

Math
Sarah's scores in her tests are as follows: 89, 94, 90, 90. What will be her grade in her next test if she wants to have an average of 92?
Tuesday, September 2, 2014 at 8:17am

Science
What do you learn in 7th grade science
Sunday, August 31, 2014 at 12:06am

Math
It seems that even though i am older than a sibling by about three years the state keeps changing curriculum s for the grade and now i think i know the answer but I'm not sure of it. In the decimal 99.999, which is 1/10 the value of the 9 in the tenths place? Does that ...
Wednesday, August 27, 2014 at 7:50pm

chemistry
A solution of HClO4 was standardized by dissolving 0.4125 g of primary standard grade HgO ina solution of KBR: HgO (s) + 4Br- + H2O → HgBr4 + 2OH- The liberated OH- consumed 46.51 mL of the acid. calculate the molarity of the HClO4
Wednesday, August 27, 2014 at 2:48pm

math (4th grade)
june made a DESIGN with 6 equal tiles.One tile is yellow, 2 tiles are blue,and 3 tiles are purple.What fraction of the tiles are yellow or purple?
Tuesday, August 26, 2014 at 10:28pm

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 at 7:47pm

5th grade math
what is the best estimate for the product of 289 and 7
Monday, August 25, 2014 at 6:31pm

Tourism
Plz i want to write about pat grade 10 2014 tourism phase 2,please help me now
Monday, August 25, 2014 at 5:06pm

physics
hill that has a 37.7 % grade is one that rises 37.7 m vertically for every 100.0 m of distance in the horizontal direction. At what angle is such a hill inclined above the horizontal?
Thursday, August 21, 2014 at 11:05pm

math
what is the base 10 of 469 3rd grade
Thursday, August 21, 2014 at 10:03pm

7th grade Math/Science
Can you help me with this science question: from sea level, the biosphere goes up about 9km and down about 19km. What is the thickness of the biosphere in meters? (there wasn't a formula in the workbook). Thanks
Wednesday, August 20, 2014 at 10:14pm

4th grade math
If jill climbed 100 feet more, how many feet above sea level would she be?
Monday, August 18, 2014 at 11:23pm

6th grade math
Mark has $4.40 nickels and dimes.he has thirteen more nickels than dimes. How many of each does he have?
Tuesday, August 12, 2014 at 12:59am

computer history
History,business study,tourism,zulu,maths literacy,english and life orientation. Am doing those subject and am in grade 11 I don't knw what career must I take anybody can help me my digit please 0724306682
Monday, August 4, 2014 at 5:08pm

Life orientation
Your friend who was the top learner in your group in grade 9 is no longer interested in his/her studies.You investigated that he/she is not only selling drugs but also drinking heavily during weekends 1.To help your friend you need to put your constructive thinking skills into...
Monday, July 21, 2014 at 1:26pm

algebraic expression
Whitney is speaking to four different classes at the local grade school . She will spend m minutes with each class, and she will have to wait 30 minutes before seeing the last group. How many minutes will Whitney spend at the school? Thank you.
Sunday, July 13, 2014 at 7:39pm

math
A section of the highway rises 15 feet in a mile, calculate the grade.
Sunday, July 13, 2014 at 3:21pm

5th grade
A square picture 3 1/2 feet wide hung on the wall. The center of it is to be 4 feet from the ceiling. The top picture is __ feet and ___ inches from the ceiling.
Friday, June 27, 2014 at 2:33pm

Math - 3rd grade summer work
A Super-Duper ball bounces twice its height when it is dropped. Carl dropped a Super-Duper ball from the roof of a 12-foot garage. How high will the ball bounce after 5 bounces?
Sunday, June 22, 2014 at 3:03pm

Maths literacy,history,life science,english,xhosa,life orantation,geography.
I'am doing grade 11 now and when i passed grd 12 next year.i want to know what caree is good for my subjects ,because i don't know what caree should i take.
Wednesday, June 18, 2014 at 5:27pm

Reading
What are some good books to read for 7th grade?
Monday, June 16, 2014 at 4:24pm

English
I was wondering for ninth grade, how long should an essay on 3 of Katherina (from taming of the shrew )characteristic be. And how long should each paragraph be.. Mine is not as long as my friends so I was wondering
Wednesday, June 11, 2014 at 10:24pm

History
I don't know if this one is right or not. I've been stuck on this question for 15 mins and my grade counts on this. 20. “In Flanders Fields” expresses the speaker’s belief that (Points : 5) war and its horrors are wrong and evil. the war is necessary and...
Thursday, June 5, 2014 at 8:08am

Africa
I'm in grade 12 I want an advice about the subj that I chose maths lit,geography,life scinces,so which job I can take next year pls keep me up dated
Thursday, June 5, 2014 at 3:03am

math
A road has a 10% grade (slope).how much does it rise if it is 2 km long?
Monday, June 2, 2014 at 7:47pm

Math
what is the percent grade of a hill that rises to an elevation of 1500 m with a run of 16 km?
Monday, June 2, 2014 at 12:59am

5th Grade Math
For their first 60 games the Robins had a record of 28 wins and 32 losses. How many of their next 90 games must they win if their total record is to show twice as many wins as losses?
Friday, May 30, 2014 at 8:52pm

Math 8th grade
In(x):2,10,___,__,__,-3,__,___,x Out(y:4,28,13,-17,10,_,2.5,148,3x-2 What's the answer !!!! Help!! ASAP!
Thursday, May 29, 2014 at 12:49am

7th grade math
Solve the inequality then graph the solution set on real number line. (2/5x)>7 2(x+7)-4>5(x-3)
Tuesday, May 27, 2014 at 11:23pm

6th grade math
Determine whether each value of x is a solution of the inequality 4x-5<3 a. x=0 b. x=2 c. x=-2 d. x=4 Help please *show the work and answer!!
Tuesday, May 27, 2014 at 9:35pm

trig
A road has a 10% grade (slope). To the nearest degree what is the angle of elevation of the road? should I use sin?
Tuesday, May 27, 2014 at 7:56pm

7th grade Math (polynomials)
How do you write a polynomial in standard form? Ex. 1.1x-8.5x^3
Tuesday, May 27, 2014 at 2:08pm

7 grade math
Consider two types of nonlinear equations. What unique quality does each possess and how does that quality cause the graph's unique shape? Name two unique examples of these shapes in real-world situations.
Tuesday, May 27, 2014 at 8:29am

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