Monday

January 26, 2015

January 26, 2015

Post a New Question | Current Questions

**7th grade math**

solve each equation. Check your solution. 1) 7 2 -X = - 3 3 2) 2 1 7c- - = - 3 2
*Wednesday, January 9, 2013 at 8:29pm*

**Math Grade 4 **

How many rectangles can i make with 12 centicubes? Are there areas and perimeters the same.
*Wednesday, January 9, 2013 at 6:08pm*

**science (revision)**

I have a test on electricity on Friday and I wandering if I could get a basic summary of what I should know. I'm British so I don know what grade I am but I'm 11 so aound that sort of basic level please!!! Thanks.
*Wednesday, January 9, 2013 at 1:58pm*

**8th Grade Science I need help!!!! **

18. Explain how the three types of fossils (trace, body, and cast) are formed. Please help!!
*Wednesday, January 9, 2013 at 12:47pm*

**math 4 grade **

Make an array with rows. Put 2 squares in each row. Draw a picture of the array
*Wednesday, January 9, 2013 at 11:31am*

**8th grade math !**

Miss wilson is going on a field trip... she needs one adult for every 15 students ... There are 100 students going on the trip ....how many adults are going .., I got 6.7 but u can't have half of an adult lol Plz help...
*Wednesday, January 9, 2013 at 2:48am*

**6th grade math**

a model of a park was built on a scale of 1.5 inches to 50 feet if the distance between two trees in the park is 150 feet what is the distance on the model.
*Wednesday, January 9, 2013 at 12:16am*

**math**

whats 4(2/3) im in 8th grade and i dont understand
*Tuesday, January 8, 2013 at 9:35pm*

**5th grade math**

please help solved the following fraction 11 13/15 + 3 7/12 = 14 3/4 + 7 + 5 7/8 = Thanks, Hannah
*Tuesday, January 8, 2013 at 7:12pm*

**english**

i'm required to write a 7 paragraph, 5 minute speech for my 8th grade lit comp class. the topic is "why my voice is important." but i can't think of any reason my voice is important. because it's not. i'm 14 years old! what say do i have in anything? ...
*Tuesday, January 8, 2013 at 6:47pm*

**8th grade math **

He had dimes and quarters ... He has 8 more quarters than dimes equalling 5.50..., how do u solve ..
*Monday, January 7, 2013 at 11:20pm*

**8th grade math **

15 kids for every 100 adults .. How many adults are there!! ... He cant be half an adult ... So idk
*Monday, January 7, 2013 at 11:17pm*

**math**

This is a 8th grade question: Given C+C=D, D+E=17, A+2C=D, and 2B+C=8, what is the value of A+B+C+D??? Can you also show how you got it?
*Monday, January 7, 2013 at 2:50am*

**7th grade social studies Ms. Sue please**

For a project I need to answer these questions: 1. What is eugenics and how is it linked to Darwin’s theory of evolution? 2. Why did the Scopes Monkey Trial occur? I have tried researching but I cannot find a good website anywhere. I tried Wikipedia, but it wasn't ...
*Sunday, January 6, 2013 at 9:13pm*

**math**

I am in 5th grade and i just want to know something : if i take science do i have to take classes that includes frog diseccetion and the human body? Because that stuff grosses me out and creeps me out.
*Sunday, January 6, 2013 at 2:07pm*

**Grade 3**

A grocery store shelf can hold 4 large boxes of laundry detergent. The store clerk put 25 boxes of laundry on the shelves. What is the least number of shelves needed for the display.
*Saturday, January 5, 2013 at 8:39pm*

**math**

(8 x____) x 5 = 8 x ( 20 x 5).. third grade question please help me solve
*Saturday, January 5, 2013 at 5:43pm*

**math**

The grade 5 class sold cheese for a fundraiser. What fraction of the orders did each of the four students take?
*Saturday, January 5, 2013 at 12:09am*

**math**

The fourth grade has 102 students.it has three times as many students as Mrs pride class.how many students are in Mrs pride class?
*Thursday, January 3, 2013 at 11:07pm*

**7th grade math help**

I HAVE NO IDEAAAAAA! Simplify the expression. 6. –6 – 7(c + 10) (1 point) 64 – 7c –76 – 7c 4 – 13c –16 – 13c 7. 2x + 3(x – 2) – 3(x – 6) (1 point) 2x + 12 2x – 8 8x – 24 2x – 24
*Wednesday, January 2, 2013 at 10:12pm*

**7th grade math Ms. Sue plese**

Can you please help me solve these problems? I have no idea! 2. w over four – 4 = 3 (1 point) –4 28 3 11 3. d over three+ 10 = 7 (1 point) 51 20 0 –9 6. –6 – 7(c + 10) (1 point) 64 – 7c –76 – 7c 4 – 13c –16 – 13c 7. 2x + 3...
*Wednesday, January 2, 2013 at 8:15pm*

**7th grade language arts Ms. Sue please**

4. In the phrase, "the grim-faced Yankee principal," how is the word "Yankee" an example of semantic slanting? (1 point) It is used with a negative connotation. It is an exaggeration. It presents a vivid image. Is the answer: It is used with a negative ...
*Wednesday, January 2, 2013 at 6:52pm*

**Math**

A sixth-grade class completed a survey about favorite foods. Of the students in the class 2/6 chose hamburgers, and 3/8 chose pizza. What fraction of the class chose either hamburgers or pizza.?
*Monday, December 31, 2012 at 2:57pm*

**8th grade math Ms. Sue**

How is an inequality different from an equation? Give a real-world scenario in which you would write an inequality rather than an equation. I don't know how to solve this or what the answer is. Please help! You said: Denise has $50 and wants to buy two new shirts. She ...
*Wednesday, December 26, 2012 at 9:40pm*

**8th grade math for Ms. Sue**

How is an inequality different from an equation? Give a real-world scenario in which you would write an inequality rather than an equation. I don't know how to solve this or what the answer is. Please help!
*Wednesday, December 26, 2012 at 9:11pm*

**math**

The principal of Valley Elementary School wants to divide each of the three fourth-grade classes into small same-size groups with at least 2 students in each. If the classes have 18, 24, and 36 students, respectively, what size groups are possible?
*Thursday, December 20, 2012 at 8:55pm*

**Adv Chem 12th grade**

4. Given the chemical formulas of the following compounds, name each compound and state the rules you used to determine each name. • RbF • CuO • (NH4)2C2O4 (Note: C2O4– is called oxalate.)
*Wednesday, December 19, 2012 at 7:34pm*

**4th grade math**

How do you explain how the product of 16 times 34 is like the product of 6 times 34 plus 10 times 34
*Wednesday, December 19, 2012 at 5:16pm*

**Math Grade 12 Advance Functions**

I need help understanding equivalent trigonometric functions! Can someone PLEASE help me because the test is tommorrow and the internet or my textbook isn't helping at all!
*Wednesday, December 19, 2012 at 12:31am*

**8th grade Language Arts**

I am writing a persuasive essay and I need some tips on making it persuasive. It is turning out to be just an essay, not a persuasive essay. Help!
*Tuesday, December 18, 2012 at 10:31pm*

**7th grade math Ms. Sue please last question**

You have $59.95 in your wallet and want to buy some new CDs. If the CDs are $11.99 each, what number of CDs, x, can you buy? Write and solve an inequality. I need to show every step. Is this way correct? 11.99x = 59.95 11.99x ÷ 11.99 = 59.95 ÷ 11.99 x = 5
*Tuesday, December 18, 2012 at 8:39pm*

**Social Studies**

what 5th grade social studies word starts with Y,Z,and N?
*Tuesday, December 18, 2012 at 8:37pm*

**Grade 11 math**

If the given point is on the terminal arm of an angle A in stadard position. 0 degrees more than or equal too A and less than or equal too 180 degree, find sin A and cos A: a) (6,8) b) (-5,12) Can you tell me how you get it because I do not understand it at all please help!
*Tuesday, December 18, 2012 at 8:28pm*

**social studies fair need help badly.!!! **

my social studies fair project is due tomorrow and i have no idea how to start my actual report i was fine and doing great until i got to the page with the usage,history, and construction of the ziggurat of ur on it.. i need a 7th grade rubric or example of a different essay...
*Tuesday, December 18, 2012 at 7:57pm*

**grade 12 math **

i have a test tomarow and i am soo lost with this this question is on my review sheet 16^2 = 2^x how do i solve this tell me in detail plz ty :)
*Tuesday, December 18, 2012 at 4:53pm*

**science**

My teacher is teaching us about Punnet Squares. But I don't quite understand how to do it? I have a test before christmas break. I know I need 2 be smart in 7th grade, but I don't know everything. Can u help me Jiskha? I don't want 2 fail science.
*Tuesday, December 18, 2012 at 4:42pm*

**Science 8R - help!**

I need a definition for Lines of force (8th grade science regents level, ny)
*Monday, December 17, 2012 at 9:48pm*

**3rd grade math **

25 cents __?__ 3/10 of a dollar
*Monday, December 17, 2012 at 6:51pm*

**Math 12th grade**

Find the sum of each infinite series, or state that the sum doesn'nt exist 1/7+5/14+25/28+
*Sunday, December 16, 2012 at 8:38pm*

**5th grade math**

how many ways can you use a dime, quarter, and nickel to make .60 cents?
*Sunday, December 16, 2012 at 10:58am*

**math need help**

study time in X hours 8 5 7 12 10 test grade Y in percent 68 50 62 92 80 a)model the date in a linear function b)interpret the meaning of the slope
*Sunday, December 16, 2012 at 12:49am*

**Math 5th grade**

I am working on reducing fractions. How do I find the answer to 12 over 8?
*Friday, December 14, 2012 at 6:54am*

**7th grade math Ms. Sue please**

1. 7r – 7 = 2r + 18 (1 point) r = –5 r = 5 r = 2.2 r = 1.2 2. 2x + 12 = 18 – x (1 point) x = 3 x = 10 x = 6 x = 2 3. 8x – 3 = 15x + 18 (1 point) x = –3 x = 3 x = 2.1 x = .9 4. 6y – 6 = 4y + 16 (1 point) y = 2.2 y = –2.2 y = 11 y = 5 5. 3(x &#...
*Thursday, December 13, 2012 at 10:09pm*

**Math - 8th grade**

Express 18 million in scientific notation. I answered 1.8 x 10 to the 7th and was wrong. I don't understand why? You are supposed to move the decimal 7 places to get 18 million. What did I do wrong? Thank You.
*Wednesday, December 12, 2012 at 9:42pm*

**8th Grade Math**

Express 18 million in scientific notation. I answered 1.8 x 10 to the 7th and was wrong. I don't understand why? You are supposed to move the decimal 7 places to get 18 million. What did I do wrong? Thank You.
*Wednesday, December 12, 2012 at 8:58pm*

**Math - 6th grade**

Farmer John built a barn that is 100 ft by 200 ft. what is the area? perimeter? percent? fraction? and decimal?
*Wednesday, December 12, 2012 at 8:01pm*

** math 5th grade**

Lynda cut 3.2 meters of ribbon into equal-size pieces. Each piece was longer than .01 meter, but shorter than .02 meters, with lengths in increments of .02 meters. How many pieces did Lynda cut and how long was each piece?
*Wednesday, December 12, 2012 at 5:53pm*

**5th grade math word problems**

mr lee's garden is square shaped. he planted 100% of it. 1/3 of it was carrots. 1/3 of it was tomatoes. The remained 48 square feet was filled with melons. What is the length of mr lee's garden?
*Wednesday, December 12, 2012 at 5:31pm*

**statistics**

5. A professor teaching introductory psychology gave the grades that follow. According to the normal curve, she should have given about 4% A’s, 14% B’s, 64% C’s, 14% D’s, and 4% F’s. Do a Chi-Square to determine if the actual grade assignment ...
*Wednesday, December 12, 2012 at 3:25am*

**8TH GRADE ENGLISH**

we are working on using verbs correctly, so is this sentence correct? (u either use:sit,sat, or set): The newspaper SAT on the table all afternoon last Sunday. is this correct?
*Tuesday, December 11, 2012 at 8:25pm*

**7th grade math Ms. Sue**

2. 6x + 29 = 5 (1 point) –4 –18 204 –144 9. Raymond buys bottles of water at $2.10 each and a large pizza at $12.99. The total cost was $21.39. How many bottles of water b did he buy? (1 point) 2.10b + 12.99 = 21.39; 4 bottles 2.10 + 12.99b = 21.39; 4 bottles 2....
*Tuesday, December 11, 2012 at 7:11pm*

**7th Grade Literature**

Could someone please give me some examples of the following peices of grammar? modifiers articles prepositions interjections Thank you very much!
*Tuesday, December 11, 2012 at 2:22pm*

**8th Grade Science**

Label these reactants and products: 3Fe + 2 O2> Fe3O4
*Tuesday, December 11, 2012 at 10:40am*

**math 6th grade proportions**

Sorry if I may be bugging you,but this homework is veryy hard for me!Karen gets 6 out of every 8 questions on a test correct.If she gets 27 questions correct,how many questions are on the test?
*Monday, December 10, 2012 at 8:06pm*

**math 6th grade proportions**

Hello,Umm I need Alot of help on this problem:Emma runs for 18 minutes out of the 45 minutes she spends exercising each morning.One morning she spends 70 minutes exercising.If her rates stay the same how many minutes will she spent running>PLEASE HELP A.S.A.P!!!!!!!!
*Monday, December 10, 2012 at 7:48pm*

**5th grade math (dividing fractions)**

Hi.. I need help figuring out this problem, sovling for x: 3 divided by x/9 = 5 and 2/5 I was able to solve: x divided by 3/4 = 6 by multiplying 6 x 3/4 = 4 1/2. Just not sure how to solve the first problem. If I change 5 2/5 into mixed number,I still don't know what to do...
*Sunday, December 9, 2012 at 7:26pm*

**Physical Education**

What is the average weight for 8th grade girls?
*Sunday, December 9, 2012 at 7:11pm*

**7th grade science help **

3. Which is a possible genotype of a child of parents with blood types O and AB? (1 point) AO; BO AB; BO BO; OO CO; AB 4. You are looking at four tall pea plants. What are their phenotypes and genotypes, respectively? (1 point) tall; Tt or TT short; tt Tt or TT; tall tt; Short
*Friday, December 7, 2012 at 8:31pm*

**7th grade math Ms. Sue please**

1. 3w – 10w (1 point) 13w –7w –7 7w 2. y + 1.2y +1.2z (1 point) 2.4yz 1.3y + 1.2z 1.2y2 + 1.2z 2.2y + 1.2z 3. 6r + r – 5r (1 point) 2r 1r + r 0r 7r – 5r 4. 5x + 2(x + 6) (1 point) 7x + 6 7x^2 + 12 7x + 12 7x (x + 6) 5. –3m + 3(m + 6) (1 point) 6...
*Friday, December 7, 2012 at 8:13pm*

**7th grade math **

Simplify each expression. 1. 2z - 3y - 8z + y 2. 9 - 7t + 1 + 4t 3. For the summer, Tia buys 3 T-shirts and 2 pairs of shorts. Her brother buys 4 T-shirts and 1 pair of shorts. Define and use variables to represent the total cost. I have no idea how to do this! Please help!
*Friday, December 7, 2012 at 8:13pm*

**Grade 11 MAth**

Determine the equation of a sine function that would have a range of {y| -4 ≤ y ≤ 1, y ε R} and a period of 45o. Determine the cosine function that results in the same graph as the function above. Deter
*Friday, December 7, 2012 at 6:52pm*

**Fourth grade science**

Students are conducting an investigation that tests the force of a magnet by using one magnet to repel a second magnet. Which tool would be needed to measure the distance the second magnet moves? A thermometer,A spring scale, A ruler, or A compass
*Friday, December 7, 2012 at 1:43am*

**grammer**

What is the simple subject in this sentence Who cares if she's in 3rd grade and I'm just in 1st.
*Thursday, December 6, 2012 at 11:30pm*

**3rd grade math**

jake has an even number of counters. carlos has an odd number of counters. how many more counters do they need to divide the combined total into an even number of groups?
*Thursday, December 6, 2012 at 6:48pm*

**7th grade science Ms. Sue please**

Hi I am writing a paper for school about cancer cells. I can't seem to get a good introductory paragraph going. Can you give me some ideas? Thanks!
*Wednesday, December 5, 2012 at 9:15pm*

**Math help ? confused**

The length of the Boston Marathon is 138,435 ft. Each stride, or step, by a particular runner is 3 ft long. Does the number of strides the runner takes fit evenly into the length of the race? I am lost on this question. Can anyone give me a direction? Do I divide? I am in 6th ...
*Wednesday, December 5, 2012 at 7:38pm*

**7th grade math**

16. Find the final balance in an account with $730 invested at 3% annual simple interest for 4 years. (1 point) $735.48 $87.60 $817.60 $8,760.00 is the answer 817.60
*Wednesday, December 5, 2012 at 7:32pm*

**7th grade history**

How did the location of the Arabian Peninsula help the Muslims conquer territory beyond the Arabian Peninsula?
*Wednesday, December 5, 2012 at 6:20pm*

**5th grade math**

what is a word problem for 4.23x10
*Wednesday, December 5, 2012 at 4:59pm*

**5th grade math**

Jason ate lunch at Virginia’s Diner. If his meal cost him $11.00, and he wants to leave Virginia a 15% tip, how much money should Jason leave for the total bill? A. $11.50 B. $12.00 C. $12.36 D. $12.50 E. $12.65 how do you do this?
*Tuesday, December 4, 2012 at 11:17pm*

**5th grade math hard**

Are there any websites where i can make cubes and see the nets for them?
*Monday, December 3, 2012 at 5:48pm*

**grade 12 AP calculus**

Sketch a possible graph of a continuous function f that has domain [0,3], where f(0)=-3 and the graph of y=f'(x) is shown. Thank you so much for the help. It is making the concepts far more clear.
*Monday, December 3, 2012 at 4:54pm*

**6th grade science**

Which is a method of relative dating? A. examining historical records to determine when a volcano erupted B. using fossils to determine the oldest rock layer in a canyon C. measuring the depth of tree bark D. using radioactive isotopes to calculate the age of a rock I think ...
*Monday, December 3, 2012 at 3:03pm*

**Math**

The grade of a highway up a hill is 50%. How much change in horizontal distance is there if the vertical height of the hill is 175 feet?
*Monday, December 3, 2012 at 12:57pm*

**grade 12 AP calculus**

for f(x= -1/4x4-1/3x3+2x, use analytic method to find the exact intervals on which the function is a)increasing, b)decreasing, c)concave up, d)concave down, then find any e)local extreme values, f)inflection points
*Monday, December 3, 2012 at 11:33am*

**Algebra**

The grade of a highway up a hill is 50%. How much change in horizontal distance is there if the vertical height of the hill is 175 feet?
*Monday, December 3, 2012 at 11:21am*

**URGENT!! 7th Grade Math Help Please!!**

2. Price of the iPad Mini: $329.00 Price of the iPad with a 15% discount. Show all of your work please!! [4 points]
*Monday, December 3, 2012 at 12:19am*

**Grade 12 AP calculus**

You are using Newton's method to solve x3-5x-2=0. If your first guess is x1=2, what value will you calculate for the next approximation x2?
*Sunday, December 2, 2012 at 6:56pm*

**7 th grade math**

Input 1 2 4 5 10 12 Output 3 5 9 11 21 25 What is the rule for this function ? If adding add what tried 2 Need help please
*Saturday, December 1, 2012 at 9:42pm*

**7 th grade math**

Input 1 2 4 5 10 12 Output 3 5 9 11 21 25 What is the rule for this function ? If adding add what tried 2 Need help please
*Saturday, December 1, 2012 at 9:20pm*

**Math 8th Grade (Ms. Sue) ?**

An artist makes a painting that is 12 feet by 9 feet. He paints a frame around the painting. The frame is 3 inches wide. What is the area of the frame? Please provide formula for figuring out. Answers (a)10.75ftsq(b)10.5ftsq (c)12.96ftsq(d)5.3125ftsq Thanks.
*Saturday, December 1, 2012 at 12:20am*

**7th grade language arts Ms. Sue**

1. If the following sentence was rewritten to be more specific, which would be the best revision? "It was a privilege and not a right, and you messed it up." (1 point) "It was a privilege and not a right, and you don't have it now." "It was a ...
*Friday, November 30, 2012 at 8:14pm*

**7th grade language arts Ms. Sue please**

4. Which of the following is a prepositional phrase? (1 point) he didn't feel safe leaving us behind without supervision 6. Which of the following is not an interjection? (1 point) oops awesome maybe My answers: 4. without supervision 6. maybe
*Friday, November 30, 2012 at 7:53pm*

**Astronomy Grade 9( PLEASEEE HELP!!!!!!!!!!!!!!)**

What hazards do humans face when they are in space and what technologies have been developed in response to these hazards?
*Thursday, November 29, 2012 at 11:15pm*

**Astronomy Grade 9**

What hazards do humans face when they are in space and what technologies have been developed in response to these hazards?
*Thursday, November 29, 2012 at 11:03pm*

**7th grade social studies**

What are the pros and cons to democracy? Thank you.
*Thursday, November 29, 2012 at 8:57pm*

**Math**

A high school volleyball team has 20 members. If there is an equal number of members from each of the 4 grades, how many students from each grade are on the team?
*Thursday, November 29, 2012 at 7:16pm*

**5th grade**

how do you divide 1/4 by 1/2? please tell answer and explain
*Thursday, November 29, 2012 at 5:05pm*

**Algebra Grade 7 (Rotation)**

If you rotate a clock clockwise 90° from 3:00, what will it be?
*Thursday, November 29, 2012 at 2:00pm*

**3 grade grammar **

Is the grammar correct not sure if there should be an apostrophe after the s in dads Mother planned a surprise party for Dads birthday.
*Wednesday, November 28, 2012 at 9:11pm*

**seventh grade math**

if 1/2 in. = 1/3 feet then how many feet is 27 inches please someone help me ................ its drawn to scale the 27 inches
*Wednesday, November 28, 2012 at 7:16pm*

**8th grade math**

Find the interest earned on each account. $970 at 4 1/2% simple interest for 2 years. I don't know if I solved the problem correct please help: I = p x r x t = 970 x 0.42 x 2 = 814.8 I don't know what number to convert 1/4 to!
*Wednesday, November 28, 2012 at 6:40pm*

**Algebra 8th grade.**

The coordinates of quadrilateral VWXY are given below. Find the coordinates of its image after a dilation with the given scale factor. V(6, 2), W(–2, 4), X(–3, –2), Y(3, –5), scale factor of 2 Please help!!!!
*Wednesday, November 28, 2012 at 4:34pm*

**math**

what is the answer to 8,580 words in 2 h 45 min in unit rates for 7th grade
*Wednesday, November 28, 2012 at 4:25pm*

**Algebra 8th grade please help!!!!!!**

A right triangle has an area of 13 m2. The dimensions of the triangle are increased by a scale factor of 3. What is the area of the new triangle? Please help!!!! a)39 m2 b)169 m2 c)117 m2 d)142 m2
*Wednesday, November 28, 2012 at 1:56pm*

**Math (5th grade )**

Kathy's mom has made a batch of lemon bars. Her treats are in a rectangular pan that measures 12" x 8". She will cut a vertical and horizontal live every 2 inches along the length and width of the pan. How many bars will each person receive
*Tuesday, November 27, 2012 at 8:14pm*

**7 grade math**

a helicopter blade spend 775 times in 3 mintues find the rate in revolutions per second
*Tuesday, November 27, 2012 at 7:33pm*

**7th grade math help Ms. Sue please**

How do you find the sales tax of something? Here is one of my problems: The price of three dolls are $12.99. What is the price of the dolls with a 5% sales tax? Show all of your work! I cannot figure out how to put up an equation and solve this problem. Please help!
*Tuesday, November 27, 2012 at 5:52pm*

**5 th grade math**

what is the volume of a rectangular prism with a length of 4 inches, a width of 4 inches and a height of 2 inches?
*Tuesday, November 27, 2012 at 5:38pm*

**MATH 5TH GRADE**

HOW MANY TIMES MORE IS 2000 THAN 20?
*Tuesday, November 27, 2012 at 4:04pm*

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