a student's 10 scores on 10-point class quizzes include a 6, a7, a4, five 9s, an 8, and a 10. The student claims that her average grade on quizze is 9 because most of her scores are 9s.
Thursday, November 7, 2013 at 6:52pm
3rd grade math
sara wants to know how many boxes of cookies her entire girl scout troop sold. How could she use compatible numbers to find the sum? kate 52 boxes sara 43 boxes jen 18 boxes haliey 27 boxes
Thursday, October 31, 2013 at 5:13pm
grade 11 biology
Consider a germ cell of a person with Down syndrome(Trisomy 21). Explain what is happening with the arrangement of chromosome 21 inside the cell during interphase 1, Anaphase 1, Telophase 1, telophase 11. Please help, I am really stuck on this. Thank you
Wednesday, October 30, 2013 at 8:16am
8th grade math
I am not sure if I did it correct, can you please check this answer for me, Ms.Sue? :) Writing equations in point-slope form: m:3, p:(-1, -2) (y-y1) = m(x-x1) y-(-2)=3(x-(-1)) y+2=3x+3 y+2-2=3x+3-2 y=3x+1
Sunday, October 27, 2013 at 9:35pm
Mr. Sanchez took his wife and two children to the circus. Tickets were $7.50 for adults and $5.25 for children. Mr. Sanchez had $30 to spend. Was that enough to pay the tickets? What, if any, change did he get back? 7_50+5_25=12.75 12.75+12.75=25.50 30_25.50=4.5 This is the ...
Saturday, October 26, 2013 at 2:22pm
6th grade math
Can you check these, please? Convert each of the following verbal phrases to algebraic expressions. 1.twice the number plus 16 is 18 Ans: 2x + 16 = 18 2.the quotient of a number and ten more than fourteen is eleven Ans: (10 + 14)/x = 11? or x/10 + 14 = 11?
Wednesday, October 23, 2013 at 5:53pm
4th grade math
brendan has 75 stamps in his collection. he puts 8 stamps on each page in his album. how many more stamps does he need to fill 10 pages with no stamps left over
Wednesday, October 16, 2013 at 6:58pm
6th grade math
Dante can buy 20 marbles for $1.50. How many marbles can he buy for $27.00? Do you divide &27.00 by $1.50 then multiply that number by 20 to get 360 marbles?
Tuesday, October 15, 2013 at 6:19pm
A bicycle and its rider together has a mass of 95 kg. What power output of the rider is required to maintain a constant speed of 4.8 m/s (about 10.7 mph) up a 5.0% grade (a road that rises 5.0 m for every 100 m along the pavement)? Assume that frictional losses of energy are ...
Saturday, October 12, 2013 at 11:12pm
7th Grade Science
Hi, I understand the question but every vocab. word I think this is it's just not coming out right when I'm putting it all together. Question:To pass a trait on to the next generation (offspring) an organism does what? My answer is heredity, but to me when I put it ...
Saturday, October 12, 2013 at 4:07pm
A survey of 240 10th grade students in a local High School found that there were 140 girls and 100 boys in the grade. Of the 140 girls, 100 preferred gym class while 40 preferred art class. Of the 100 boys, 40 preferred gym class while 60 preferred art class. Construct a data ...
Saturday, October 12, 2013 at 11:20am
6th grade math
When planting trees in a forest, the US Forest Service recommends giving each seedling about 1/200 acre on which to grow. About how many seedlings should be planted in 1/3 of an acre? 1/3 times 200/1?
Friday, October 11, 2013 at 10:33pm
6th grade math
A bag of fetilizer that weighs 18 3/4 pounds can cover 5000 sq feet. how many pounds of fetilizer will be needed to cover 27,000 square feet? how many bags of fertilizer are needed? explain how you found your answer
Tuesday, October 8, 2013 at 11:04pm
can someone show me how to solve this the instructions are for me to solve by the quadriatic formula is this really 8 grade math im confused im trying to help my daughter tammi and i have never run across this before X^2 + 9=0
Monday, October 7, 2013 at 6:03pm
6th grade math
Rachel completed 3/4 of her cleaning in 4 hours. How many total hours will Rachel spend cleaning? 4 divided by 3/4 4/1x4/3=16/3= 5 1/3 hours Is this correct?
Sunday, October 6, 2013 at 10:13pm
A 50 kg individual needs to work at a MET level of 6 to reach her target heart rate. If the treadmill speed is set at 3.5 mph, what grade is needed? If she exercise for 30 minutes at this intensity, how many kcal will she expend.
Sunday, October 6, 2013 at 1:03pm
Who is working harder, Fred running a 10 min mile pace at a 10% grade or Pete who is 55 kg, cycling on a Monarch ergometer with a resistance of 2.5 kg and a pedal rate of 60 rpm?
Sunday, October 6, 2013 at 12:48pm
Determine the MET level for each activity for a 70 kg person. a.) 18 steps/min, 25 cm/step b.) 6 mph, 12% grade c.) 750 kg m/m on a Monarch ergometer d.) Arm cranking at 350 kg m/min on a Monarch ergometer
Sunday, October 6, 2013 at 11:54am
6th Grade Math
Can you check my answers please? 1. Convert 2 and 3/4 qts to pints. 1 qt = 2 pints (unit ratio = 2/1) 2 and 3/4 x 2/1 = 9/4 x 2/1 = 22/4 = 5 and 1/2 pints 2. A 40-foot power boat is for sale. How long is the boat to the nearest yard? 1 ft = 3yds (unit ratio = 1/3) 40 x 1/3 = ...
Saturday, October 5, 2013 at 1:13pm
Math 3rd grade
Suppose you are comparing two numbers that are greater than 100. You want to find the smaller of the numbers. How many pairs of digits might you have to compare before you have your answer? Explain
Friday, October 4, 2013 at 12:24am
6 grade math
Can you help me with my new math homework? Regroup each mixed number by regrouping a 1 from the whole number. 1 1/4. 8 5/12. 4 5/9. 2 1/3 Can you please explain each one of this problem for me please step by step.thank you!
Thursday, October 3, 2013 at 8:48pm
1. If I had studied hard, I could have gotten a higher score. 2. If I had studied hard, I could have gotten a better result. 3. If I had studied hard, I could have gotten a good/better grade. 4. If I had studied hard, I could not have gotten a lower score. 5. If I had studied ...
Thursday, October 3, 2013 at 1:00am
2nd Grade REading
I need a website that will give me ideas on how I can tutor my kids in Reading, Spelling and Pronouncing of words. But I need it to be in a manner that is fun and simple.
Tuesday, October 1, 2013 at 9:31pm
The Geometric distribution is used when we want to ﬁnd the probability of performing a sequence of trials with X failures before the ﬁrst success, where a success occurs with some probability p. We can denote such a random ...
Monday, September 30, 2013 at 9:05pm
Probability and Statistics (Continuation)
Assume 10% of the engines manufactured on an assembly line are defective. If engines are randomly selected one at a time and tested. What is the probability that the third nondefective engine will be found a)on the fifth trial? b) on or before the fifth trial? MY answers: a) P...
Sunday, September 29, 2013 at 1:10pm
Its a word problem and I have a hard time understanding word problems. Patsy has cheerleading practice on every fourth school day. She wants to be in the school play, but they have practice on every sixth school day. If both started on September 5th what would be the first ...
Thursday, September 26, 2013 at 3:51pm
Special Education Setting Teachers Aide
children with a language or speech disorde are A)sometimes suffering from an aphasia.(my answer) B)always learing challenged. C)able to receive special help only after the third grade. D)unable to use communication boards. can someone please check if this is right please
Thursday, September 26, 2013 at 6:42am
Sharon is dividing her polished rock collection into bags. Each bag will contain the same number of each color of rocks. She is placing the green and blue rocks into the same bags. How many rocks will be in each bag? Sharon is placing the red rocks and the yellow rocks ...
Wednesday, September 25, 2013 at 10:24pm
CASE STUDY: 1 The bulbs manufactured by a company gave a mean life of 3000 hours with standard deviation of 400 hours. If a bulb is selected at random, what is the probability it will have a mean life less than 2000 hours? Question: 1) Calculate the probability. 2) In what ...
Wednesday, September 25, 2013 at 6:19am
My nephew is in the 4th grade and asked me to help him answer this question: Two 6 digit numbers have three 8's and three 7's. no two digits are the same. write the numbers in standard form. and i am not sure how to solve it.
Tuesday, September 24, 2013 at 10:43pm
8th grade reading ! please help !
I have a presentation due tomorrow on a connection that I made with the Anne Frank Remembered novel but I cant think of an item that I can connect to the novel.. I need help. It has to be one paragraph about the connection and it can be a song,poem,or object. Please help me !
Monday, September 23, 2013 at 9:59pm
8th Grade Math
Write an equation and show all work. The sum of three consecutive odd numbers is 111. What is the smallest of the three numbers? (I don't understand the question >.<)
Sunday, September 22, 2013 at 10:04pm
A hill that has a 15 % grade is one that rises 15.0 m vertically for every 100.0 m of distance in the horizontal direction. At what angle is such a hill inclined above the horizontal?
Friday, September 20, 2013 at 12:41am
Marks: 5 A hill that has a 15 % grade is one that rises 15.0 m vertically for every 100.0 m of distance in the horizontal direction. At what angle is such a hill inclined above the horizontal?
Friday, September 20, 2013 at 12:40am
6th grade math
The lasagna recipe requires two pounds of ground beef for ever six cups of tomato sauce. How much beef is necessary if you only have one cup of tomato sauce?
Tuesday, September 17, 2013 at 10:31pm
Jenna's sixth-grade class is taking a bus to the zoo. The zoo is 156 miles from the school. If the bus travels an average of 55 mi/h, about how long will it take to get to the zoo?
Tuesday, September 17, 2013 at 5:21pm
Before the final exam, a student has test scores of 72, 80, 65, 78, and 60. If the final exam counts as one-third of the final grade, what score must the student recieve in order to have a final average of 76 percent? Thanks!!
Saturday, September 14, 2013 at 9:32pm
Last semester, a certain professor gave 26 As out of 332 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.)
Saturday, September 14, 2013 at 8:02pm
6th grade math
At a country concert, the ratio of the number of boys to the number of girls is 2:7. If there are 250 more girls than boys, how many boys are at the concert?
Friday, September 13, 2013 at 6:39pm
8th grade math HELP URGENT!!!
Solve Each equation by first dividing each side of the equation by the number outside the parentheses. When would you recommend using this method to solve an equation? Explain. A. 9(x-4)=72. B. 8(x+5)=60
Thursday, September 12, 2013 at 9:11pm
4th grade math
the tallest mountain in california is Mt. whitney. it is 14,491 feet tall. what is the height of mt. whitney rounded to the nearest hundred. the nearest thousand
Tuesday, September 10, 2013 at 6:32pm
4th grade math
David asked the park ranger how old she was. she said when you round my age to the nearest 10, its 30. what is the youngest age the ranger can be? what is the oldest?
Tuesday, September 10, 2013 at 6:07pm
Urgent 8th Grade Language Arts
How is the word street used in the sentence below: Street cleaners can often be seen on our block in the very early morning. adjective*** adverb noun pronoun Am I right Ms.Sue?
Monday, September 9, 2013 at 12:46pm
8th Grade Language Arts
Which of the sentences below contains an action verb? The rose for Staci's mother might be in the car. Staci smelled the rose.*** The rose is red. The rose smelled sweet. Am I correct?
Thursday, September 5, 2013 at 11:19am
What is science is the question and btw Im in grade 8 so could u plz give an answer according to that like explain what is science first and then wht r its branches plzzz!!!
Wednesday, September 4, 2013 at 9:02pm
Geometry/Algebra 1/12th grade
Find the value of x. Round u'r answer to the nearest hundredth, if necessary. Area of triangle=108m^2 A=1/2 bh b=(x+6)m h=xm So, 108m^2=1/2 ((x+6)m)(xm) 108m^2=1/2 m^2+x^2+6???? If so then what? Sub m^2 from the left side?? Then what? :/
Friday, August 30, 2013 at 2:19pm
Fourth grade math
What is the sum of the six three-digit numbers that have the digits 1, 2, and 3? What is the sum in each column? Why is the sum in each column the same? my mom doesn't know how to help me with this one?
Friday, August 30, 2013 at 2:10am
I am doing my summer reading for 9th grade reading assignment & need to write about 10 passages from a variety of literary terms. Could you explain some of these terms?
Thursday, August 29, 2013 at 4:54pm
Last semester, a certain professor gave 33 As out of 211 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.)
Wednesday, August 28, 2013 at 1:18pm
science-- grade 8
Scientific experiments must be able to be repeated by multiple scientists to verify the results that are obtained. Which of the following is an example.... a. Why do people like to watch television? b. Does the mass of a rocket affect the distance it can travel? c. What makes ...
Tuesday, August 27, 2013 at 10:49pm
Poetry/British Literature/12th grade
Which of the following poems is a dramatic monologue? (A) "My Last Duchess" (B) "Love Among the Ruins" (C) Childe Roland to the Dark Tower Came (D) all of these
Tuesday, August 27, 2013 at 4:13pm
Last semester, a certain professor gave 43 As out of 242 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.)
Monday, August 26, 2013 at 12:50pm
the power developed by a man in riding up a 6percent grade at a constant speed is 200w.the man and his bicycle have a combinoed mass of 80kg.determined the speed of riding
Monday, August 26, 2013 at 9:46am
8th grade math
On my math worksheet it says, and I quote "Describe the following pattern(s) and determine the next two terms:" and then this little booger comes up. And honestly, I can't figure it out for the life of me! So if you could help it would be greatly appreciated! ...
Sunday, August 25, 2013 at 6:39pm