Tuesday

June 30, 2015

June 30, 2015

**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 by Julia*

**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 by Enis*

**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 by Enis*

**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 by Enis*

**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 by Alexis*

**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 by taylor*

**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 by taylor*

**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 by taylor*

**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 by taylor*

**5th grade math**

explain how did you decide on the number of zeros in the product.
*Tuesday, September 9, 2014 by zetta*

**7th grade math**

132 1/6 - 99 5/6 evaluate the expression
*Tuesday, September 9, 2014 by reece*

**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 by Dfca*

**Math 4th grade**

9,924 9 is the underline digit round each digit... I think it's 10,000
*Monday, September 8, 2014 by L*

**4th grade math**

128,955 . Round each number to the place of the underllined digit. 8 is the underlined digit
*Monday, September 8, 2014 by K*

**8th grade math**

How do you express 3.16 x 10 to the 3rd power in standard decimal notation form.
*Sunday, September 7, 2014 by Tajanae*

**6th grade math **

Integers from greatest to least... ( 6,17,-20,15,-19,26) can some help me ??
*Friday, September 5, 2014 by Davii*

**statistics**

A state administered standardized reading exam is given to eighth grade students. The scores on this exam for all students statewide have a normal distribution with a mean of 506 and a standard deviation of 69. A local Junior High principal has decided to give an award to any ...
*Thursday, September 4, 2014 by Anonymous*

**7th grade math**

identify a value of x for which sum of 3+x is positive
*Wednesday, September 3, 2014 by Robert*

**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 by Robert*

**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 by Anonymous*

**4th grade grammar**

Many people show their feelings with presents? What is the simple subject of the sentence? Presents?
*Wednesday, September 3, 2014 by Kenya*

**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 by Kenya*

**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 by lindsey*

**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 by Tim*

**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 by Sabie*

**Science**

What do you learn in 7th grade science
*Sunday, August 31, 2014 by Anonymous*

**algebra**

solve the equation or formula for the indicated variable R=ts^2+3 a)s=under radical R-3/t (not under radical b)s=everything under radical R-3/t c)s=R (under radical)-3/t d)s=everything under radical R/t-3 Thanks again I feel really stupid not being able to grade my teens paper
*Thursday, August 28, 2014 by Kandy*

**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 by Lawyer*

**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 by nthabi*

**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 by Anonymous*

**9th Grade Bio**

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

**5th grade math**

what is the best estimate for the product of 289 and 7
*Monday, August 25, 2014 by Mythreyee *

**Tourism**

Plz i want to write about pat grade 10 2014 tourism phase 2,please help me now
*Monday, August 25, 2014 by Prudence*

**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 by natalie*

**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 by Alexis*

**4th grade math**

If jill climbed 100 feet more, how many feet above sea level would she be?
*Monday, August 18, 2014 by LaLa*

**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 by Anonymous*

**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 by Anonymous*

**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 by Lesedi*

**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 by S. Fuentes*

**math**

A section of the highway rises 15 feet in a mile, calculate the grade.
*Sunday, July 13, 2014 by Diane*

**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 by Dire*

**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 by Kay*

**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 by Avumile*

**Reading**

What are some good books to read for 7th grade?
*Monday, June 16, 2014 by Anonymous*

**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 by Anonymous*

**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 by Amber*

**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 by roland*

**math**

A road has a 10% grade (slope).how much does it rise if it is 2 km long?
*Monday, June 2, 2014 by Anonymous*

**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 by Uhhhhhhh*

**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 by RandomMan*

**History,geography,math lite and tourism**

I am doing grade 11 and i was wondering if you guys can help me found out which jobs i can do if im doing tourism,geography,history and math lite
*Friday, May 30, 2014 by Saneh*

**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 by Jennifer*

**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 by jerry*

**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 by mathhh HELP!! Help!!! PlEASE!!!!*

**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 by danielle*

**7th grade Math (polynomials)**

How do you write a polynomial in standard form? Ex. 1.1x-8.5x^3
*Tuesday, May 27, 2014 by INeedHelp*

**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 by Elena*

**Math, grade 10**

Two whole numbers add to 17 and the sum of their squares is 185. What are the numbers
*Monday, May 26, 2014 by Lorrie*

**Math, grade 10**

Two numbers add to 18. If you square the larger number and add 6 times the smaller number you get 163. What are the numbers. Solve with quadratic equation?
*Monday, May 26, 2014 by Lorrie*

**algebra**

Last semester, a certain professor gave 24 As out of 237 grades. If one of the professor's students from last semester were selected randomly, what is the probability that student received an A? (Assume that each student receives one grade.) thank you for giving up your ...
*Saturday, May 24, 2014 by Mary Ann *

**Grade 10 English**

i need 3 points of tragedy between the book the Stone carvers and the great gatsby.... i need to write a compasrion essay of tragedy between the two books. please and thank you
*Saturday, May 24, 2014 by Anonymous*

**physics**

A jet plane is flying horizontally with a speed of 500 m/s over a hill that slopes upward with a 3% grade (i.e., the "rise" is 3% of the "run"). What is the component of the plane's velocity perpendicular to the ground? (Assume the +x-direction is up ...
*Saturday, May 24, 2014 by Soh*

**5th Grade ADV. Math**

Four teams are playing in a tournament. Each team will play each other one more time before the top two teams play the championship game. How many games will be played? Need some help with this mates.
*Thursday, May 22, 2014 by Nommmmmmad*

**4th grade math**

find the median: 116,119,121,122,124,128
*Thursday, May 22, 2014 by mythreyee*

**Language Arts Grade 8**

Can I get a list of the table of contents of the Mayan: Popol Vuh.
*Thursday, May 22, 2014 by Kathlyn*

**fifth grade math**

susan picked a watermelon that weighed 8/15 lb. larry a watermelon that weigh 1/4 as much as Susans. how muchdid larrys weigh
*Wednesday, May 21, 2014 by Anonymous*

**English grade 11**

Traditional african marriage is an advantage for men, not for women?why
*Wednesday, May 14, 2014 by Koketso*

**Math 6th Grade **

Compare using < , > , or =. –15 _____ –21 (1 point) 1. < 2. > 3. = (picked > )
*Tuesday, May 13, 2014 by A,j*

**Math 6th Grade **

Compare using < , > , or =. –15 _____ –21 (1 point) 1. < 2. > 3. = (picked > )
*Tuesday, May 13, 2014 by A,j*

**HELP MATH 5th grade **

Sam has 3 pets. Monday she uses d cans of pet food. Tuesday she uses 6 cans Wednesday Thursday and Friday uses 4 cans each day How many cans does she use during thse 5 days? which number is not needed to solve problem? 4 3 5 6 - please explain
*Tuesday, May 13, 2014 by daniel*

**science 7th grade**

Which of the following does not reduce water pollution? a) cleaning up oil and gasoline spills. b)reducing pollutants such as pesticides and fertilizers. c) increasing the use of gasoline. d) properly treating waste water
*Tuesday, May 13, 2014 by Haylee*

**Alegbra**

who ever will help me I do not understand this problem? Solve each exponential. Give the exact value of x 6^x = 1/36 3^x = 8 I really do not understand at all I have not taken algebra since 8th grade and went back to school at 67, Thank you if you wish to help me understand ...
*Tuesday, May 13, 2014 by Mary Ann *

**Math 4 grade**

Use the digits 1 though 9 once each. Fill in the 3x3 squares to make the sum of 777. Thanks.
*Monday, May 12, 2014 by Bong*

**5th grade math**

How do you find the dimensions of a box that hold 2xs as many cubes as a box that is 2 by 3 by 4?
*Monday, May 12, 2014 by Lucas*

**history 11th grade**

perils of the amazon rain forest
*Sunday, May 11, 2014 by anonymous*

**history 11th grade**

Amazon rain forest
*Sunday, May 11, 2014 by anonymous*

**math**

The grade 8 class at Wheatly Middle School sold 77 boxes of almond chocolates. This is 22% of all the boxes of chocolate sold. a) Estimate the total number of boxes sold. b) Calculate how many boxes were sold.
*Friday, May 9, 2014 by Adrian*

**Grade 12 Math**

if a and b are unit vectors, and magnitude of vectors a +b = sq. root of 3, determine (2a-5b) dot (b+3a).
*Thursday, May 8, 2014 by Melissa*

**7th grade math**

Computer catalog has a computer monitor that is 19 inches. The 19 inches is the diagonal distance across the screen. If the screen is 10 inches in height, what is the width of the screen to the nearest inch?
*Thursday, May 8, 2014 by Jim*

**math lit ,geography,history,life science,LO**

Am in grade 10 and am doing these subjects and I dnt knw what kind of career choice I can choose please guys help me out please
*Thursday, May 8, 2014 by rebaballetswe lebakeng*

**MATH!!!!!!!**

If theres 225 students in my grade and the requirement to get into the principal list is top 5%, how many students are in the principal list?
*Wednesday, May 7, 2014 by Lauren*

**Math (Quadratic Equations)**

A field is bound on one side by a river. A farmer wants to enclose the other three sides of the field with fence in order to create a rectangular plot of land for his cows. If the farmer has 400m of fence to work with, determine the maximum possible area of the field and the ...
*Wednesday, May 7, 2014 by Sarah*

**social studies **

I would want to know the questions and answers for grade 4 week 10
*Tuesday, May 6, 2014 by Superstar*

**history 11th grade**

What are the perils of the amazon rain forest?
*Tuesday, May 6, 2014 by Anonymous*

**Fifth grade math**

Ellison's Jewlers displays charms for bracelets in trays that hold 36 charms each the store has 637 charms to put on display in 5 display cases. How many charms are left after the trays are filled ?
*Thursday, May 1, 2014 by Ariyanna Hines *

**history 11th grade**

What are some of the perils of the Amazon Rain Forest
*Thursday, May 1, 2014 by Denise*

**8th grade science**

If you see that a hot-air balloon is rising above the top of a hill, what is the top of the hill called?
*Thursday, May 1, 2014 by skiler*

**4th Grade Math**

Mickey Mouse love cheese. He had 24 wedges of cheese. 3/4 of the wedges were cheddar and the other wedges were gouda. How many wedges were cheddar?
*Thursday, May 1, 2014 by A. Troy*

**4th Grade Math**

Maggie Ordered 3 pizzas. Each pizza had 6 slices each. 5/6 of the pizza had mushrooms on it. How many pieces had mushrooms?
*Thursday, May 1, 2014 by A. Troy*

**Math**

The steepest section of a track has a rise of 2240 meters for a horizontal distance of 6100 meters. what is the grade section of this track?
*Wednesday, April 30, 2014 by Christopher*

**grade 3 math**

two rectangles have an area of 36 square inches. Name two possible perimeters for the rectangles.
*Tuesday, April 29, 2014 by mimi*

**Math 3rd grade**

Lee wants to cut this piece of canvas into two rectangles that are 3 x 2 and 3 x 5. He wants the sum of the areas of the two small rectangles to be the same as the area of the large rectangle. Can he do this? explain.
*Monday, April 28, 2014 by mimi*

**history grade 3**

What happened to the immigrants when they left Ellis Island?
*Sunday, April 27, 2014 by kathy*

**history grade 3**

What happened to the immigrants while they were at Ellis Island?
*Sunday, April 27, 2014 by kathy*

**history grade 3**

Why did the immigrants have to go to Ellis Island
*Sunday, April 27, 2014 by kathy*

**math**

Steve earned scores of 96 and 87 on his first two exams. What will his average grade be if he gets a 72 on his third exam?
*Sunday, April 27, 2014 by sha*

**3rd grade math**

Sven is thinking of two numbers. The sum is 12. The difference is 4. What are the two numbers?
*Wednesday, April 23, 2014 by sindy*

**language arts3rd grade**

difference between noun, pronoun and propernoun how it is used
*Wednesday, April 23, 2014 by big z*

**6th grade math**

Elisa is writing an algebraic expression for the phrase 5 less tan a number.
*Wednesday, April 23, 2014 by hgb*