Wednesday

October 22, 2014

October 22, 2014

Post a New Question | Current Questions

**7th grade geometry**

pr/ac = ?/cb pr=6,ac=?, cb=15
*Monday, January 28, 2008 at 6:52pm*

**Grade 10 MATH**

17^115
*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*

**Chemistry**

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*

**algebra**

Sam must have an average of 70 or more in his summer course to obtain a grade of C. His firs 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.
*Wednesday, October 10, 2007 at 12:50am*

**math**

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*

**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*

**shaddowrock**

how can related facts help you add and subtract. this is a 1st grade ?
*Wednesday, October 22, 2014 at 5:27pm*

**Double facts - 2nd Grade**

Choose all the double facts you can use to find the sum of 2+3? 1. 2+2 2. 5+5 3. 3+3 4. 1+1
*Tuesday, October 21, 2014 at 5:59pm*

**Math**

What is 2 more than 5?and 1 less than 8 plus 2? I am in grade one. Thank you.
*Tuesday, October 21, 2014 at 8:27am*

**6TH GRADE MATH **

Use an example to describe the multiplicative relationship between two equivalent ratios. Can someone please help me?
*Monday, October 20, 2014 at 10:11pm*

**6TH GRADE**

write three equivalent ratios for the given ratio. 1. 10/12 = 20:24, 30:36, 40:48 2. 14/2 = 28:4, 42:6, 56:8 3. 4/7 = 8:14, 12:21, 14:28 Are these answers correct?
*Monday, October 20, 2014 at 8:33pm*

**Math**

Mandy got 22 questions correct on her test. Her grade was 80%. How many questions were on the test.
*Monday, October 20, 2014 at 3:53pm*

**math**

At which grade level is it most appropriate for children to group by more than one attribute?
*Sunday, October 19, 2014 at 6:14pm*

**business studies, tourism, history, mathematical literacy**

I'm in grade 10 and I still don't know what career I full under I'm stressed I need help asap ...time is ticking! help please. what career can I choose?
*Sunday, October 19, 2014 at 2:06am*

**6th grade**

Pet Parade: Mr. James has 14 cats, dogs and guinea pigs. What are all the combinations he could have?
*Friday, October 17, 2014 at 3:05pm*

**Grade 12 **

a 4.0kg block is attached to a vertical rod by two strings.when the system rotates about the axis of the the rod,the strings extend.What is the tension in the lower cord if tension on upper cord is 60N ?
*Friday, October 17, 2014 at 12:20am*

**Chemist - Grade 9 - Urgent.**

Predict the physical properties and relative reactivity of Ba and Sr Cs and Br ( elements from periodic table )
*Thursday, October 16, 2014 at 9:57pm*

**Grade 9 chemsitry**

Predict the physical properties and relative reactivity of Ba and Sr Cs and Br ( elements from periodic table )
*Thursday, October 16, 2014 at 8:09pm*

**2nd grade math**

It is greater than 43 and less than 52. If you add the digits, the sum is 8. Write the number word
*Thursday, October 16, 2014 at 4:07pm*

**4th grade math **

mrs jacksin bought 6 gallons of juice for a party. each gallon has 16 cups. if 3 cups of juice were left over, how many cups did people drink at the party? Please help
*Wednesday, October 15, 2014 at 11:28pm*

**7th grade LA**

Can you check the following? 1. I didn't know what time it was so I was very late to class indep = I didn't know what time it was indep = I was very late to class Ans: compound 2. I'll help you if you help me. indep = I'll help you dep = if you help me Ans: ...
*Wednesday, October 15, 2014 at 10:38pm*

**8th grade Math help**

PLEASE HELP!!! Anita hikes 7 miles due east and then 3 miles due north. Rounded to the nearest mile, what is the shortest distance from the starting point to the ending point? A. 4 B. 6 C. 8 D. 10 I think it's B. am i right?
*Wednesday, October 15, 2014 at 5:49pm*

**6th grade math**

a diver's elevation is -30 feet relative to sea level. she dives down 12 feet. what is her elevation after the dive? a. 12 feet b. 18 feet c. -30 feet d. -42 feet
*Wednesday, October 15, 2014 at 12:03am*

**Grade 9 Chemistry**

which is more reactive k or ca? ( from periodic table.) when poured in water?
*Tuesday, October 14, 2014 at 6:56pm*

**3 grade math**

How can I find the area of an angle?" How do you respond?
*Tuesday, October 14, 2014 at 9:54am*

**3rd grade math**

Where did i find word problems specially for number rounding, I also need the methods and answers, because teacher marked compleatly wrong, for what i taught to kid. Can any body help please
*Sunday, October 12, 2014 at 8:58pm*

**1st grade**

Which of the following is a compound word? A. Together B. Sometime C. Yesterday D. None of the above
*Thursday, October 9, 2014 at 8:18pm*

**1st grade **

This is for my cousin Kara planted seeds in her garden.that summer, many tomatoes grew. cause: Effect:
*Thursday, October 9, 2014 at 7:55pm*

**8th grade reading**

I was wondering if there was a word like "incident" but with less of a negative connotation.
*Thursday, October 9, 2014 at 1:00pm*

**3rd grade math**

What strategy do you use if you draw an array of 5 columns with 7 rows 4 rows are shaded. The other 3 rows are not shaded.How do you find the answer to 35 ÷ 5?
*Thursday, October 9, 2014 at 3:15am*

**statistics**

On this semesters final exam, john scored 72 on his calculus exam, (class distribution (u=65, \?=3.57)\) ) and 53 on his statistics exam (class distribution :u=49, ?=2.04. Which exam should he get the better grade. z1=72-65/3.57=1.960 Z2=53-49/3.57=1.120
*Wednesday, October 8, 2014 at 8:03pm*

**Math**

There are 54 graders who play sports. Twenty-seven play baseball. The rest play soccer. Second grade has 37 soccer players. How many students play soccer?
*Wednesday, October 8, 2014 at 6:46pm*

**7th grade math**

Not really sure what to do for this problem. this was how it was worded on worksheet. Larue scored 10 points less than 3 times the number of points that Ross scored. Larue scored 11 points. How many points did Ross score?
*Tuesday, October 7, 2014 at 9:52pm*

**7th grade math word problems**

While scuba diving Quentin descended 2 1/3 feet each second for 30 seconds. If Quentin ended up at a depth of -234 feet before he began his descent, what was his original depth? Do I multiply 2 1/3ft by 30 seconds?
*Tuesday, October 7, 2014 at 8:24pm*

**Grammar**

What is the correct pronoun for each sentence? 1. The first girl chosen was (she,her). 2. He treasure hunters, (he and her, he and she), were interviewed by reporters. 3. Mike and (she,her) are leaving tomorrow. 4. Lebron and (he, him) have been inseparable since third grade. ...
*Tuesday, October 7, 2014 at 1:13am*

**7th grade math**

Can you check me answer? Mrs. Acosta's car can travel an average of 24miles on each gallon of gasoline. Write and solve an equaltion to find how many gallons of gasoline she will need for a trip of 348 miles. Ans: 348 = 24g 348/24 = g 14.5 = g. She will need 14.5 gallons ...
*Monday, October 6, 2014 at 8:13am*

**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 at 8:31pm*

**math evaluation **

So how am I suppose to Evaluate the expression and put it in simplest form? It's 7th grade math. The question I need help on is: -8/3 + 1/4. If u comment and show me how u got an anwser THANKS!!!!!
*Saturday, October 4, 2014 at 5:00pm*

**MATH - 2ND GRADE**

Sonya has 140 beads. How many bags of 10 beads does she need so that she will have 200 beads in all?
*Friday, October 3, 2014 at 8:14pm*

**2ND GRADE MATH**

A store sells 2 boxes of 100 pencils and some single pencils. Choose all the numbers that show how many pencils the store could sell: 1. 219, 2. 206, 3. 120, 4. 182
*Friday, October 3, 2014 at 7:46pm*

**5th grade math**

What percent more than 2 is 16/5? Help me please
*Friday, October 3, 2014 at 7:40pm*

**History, Urgent**

Settlements in America were not sponsored by: London Company Raleigh De Soto Dutch West India Company Its for a friend, 8th grade history
*Friday, October 3, 2014 at 10:24am*

**Mathematics C 8th grade**

Two cars traveled equal distances in different amounts of time. Car A traveled the distance in 2.4 h, and Car B traveled the distance in 4 h. Car A traveled 22 mph faster than Car B. How fast did Car A travel? _______MPH
*Friday, October 3, 2014 at 8:25am*

**4th grade math**

explain what do you need to do to extend number pattern?
*Thursday, October 2, 2014 at 9:50pm*

**7th grade math**

find the sum 7/20 + (-4.8) + (-4/5) +4.9 im cluless
*Tuesday, September 30, 2014 at 8:08pm*

**8th grade math**

At 2pm the temperature is 22 degrees, by 4am it is negative 7 degrees. We think the answer in the change of temperature is 29 degrees am I right?
*Tuesday, September 30, 2014 at 7:44pm*

**8th grade Math**

At 2pm the temperature is 22 degrees, by 4am it is negative 7 degrees. We think the answer in the change of temperature is 22 degrees am I right?
*Tuesday, September 30, 2014 at 6:51pm*

**Math**

Explain how to find the greatest common factor of three numbers. Grade 6 GO MATH BOOK
*Monday, September 29, 2014 at 7:46pm*

**7th grade math**

Classify properties of operations. 1. (-4-3n) * -8 Ans: distributive 2. (6+4)+8=6+(4+8) Ans: associative 3. (1-7n) * 5 Ans: distributive
*Monday, September 29, 2014 at 7:40pm*

**math**

Write 4 names for 8? This is 2nd grade homework.
*Sunday, September 28, 2014 at 10:41pm*

**Trigonometry**

A hill in the Tour de France bike race has a grade of 8%. To the nearest degree, what is the angle that this hill makes with the horizontal ground? Round to the nearest tenth of a degree.
*Friday, September 26, 2014 at 4:46pm*

**Science**

I have two questions for 7th grade Science. I've been sitting here for a while, and I am behind in school work. Please Help. _____ is the practical use of scientific knowledge to solve everyday problems and improve lives ____ are used to make complicated concepts and ...
*Friday, September 26, 2014 at 2:30pm*

**6TH GRADE**

Describe a real-world situation that is modeled by multiplying two fractions or mixed numbers. Can someone give me an example?
*Wednesday, September 24, 2014 at 11:19pm*

**sixth grade math**

3 3/5 * 5/6 = 90/45 Do I have correct answer?
*Wednesday, September 24, 2014 at 10:29pm*

**8th Grade US History**

How is manifest destiny important to our past and future? How is it important? I dont really get what manifest destiny is... all we did in class is read O'Sullivans document called Manifest Destiny
*Wednesday, September 24, 2014 at 6:38am*

**algebra**

to pass a course with an A grade, a student ,must have an average of 90 or higher. A students grades on three tests are 93,92 and 83. What is the score the student must get on the nest test to get an A average?
*Tuesday, September 23, 2014 at 11:21pm*

**2nd grade math**

A number has more ones than tens. the value of the tens digit is 50. the ones digit in the number is less than 7. what are the possible numbers
*Tuesday, September 23, 2014 at 5:58pm*

**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*

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