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August 23, 2014

Homework Help: 1st Grade

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Core mathematics
The 4th term of an A.P.is 37 and the 6th term is 12 more than the 4th term.find the 1st and the 7th term of the sequence.
Saturday, November 26, 2011 at 9:20am

2 grade math
% of 0.66? Answer 66. Am I right
Thursday, November 24, 2011 at 11:10am

MAth grade 8
x+5/6 = 3x-5/8 Solve for x
Tuesday, November 22, 2011 at 8:02am

MAth grade 8
how do you convert 2 4/5 to decimals
Tuesday, November 22, 2011 at 7:37am

Another Question
Is 8th grade is hard?
Saturday, November 19, 2011 at 10:12am

4th grade
75-3m when m=8. Thanks!
Friday, November 18, 2011 at 12:07am

Economics
Im trying to figure out my grade what would i need to get a c average in the class;39%,of my grade is is based on 3 assignments(i got so far 62%,80%,haven't done the last assignment yet), 3 exams each worth 20%( i got a 2%,40%, haven't taken the last one) and 1% for ...
Wednesday, November 16, 2011 at 12:24pm

differential equations
Consider the 2nd order differential equation: x''(t)=-x-A(x^2-1)x'(t) x(0)= 0.5 x'0)= 0 ''= 2nd order,'= 1st order where A is a positive constant.As the value of A increases this equation becomes increasingly stiff. Convert this equation to two ...
Wednesday, November 16, 2011 at 12:23pm

Pre-Algebra
Question is: What is the algebraic equation to determine when they will meet? For the following information, I understand 5(x+y) = 3000 for 1st plane & 10(x-y) = 3000 for 2nd plane. When an airplane flies with a given wind, it can travel 3000 km in 5hrs. When the same airplane...
Sunday, November 13, 2011 at 1:10am

Pre-Algebra
Question is: What is the algebraic equation to determine when they will meet? For the following information, I understand 5(x+y) = 3000 for 1st plane & 10(x-y) = 3000 for 2nd plane. When an airplane flies with a given wind, it can travel 3000 km in 5hrs. When the same airplane...
Sunday, November 13, 2011 at 1:10am

8th Grade Help
My sister is gradating grade 8th this year and she wants to create her own 8th grade yearbook using a "marble notebook" she doesn't want to use a scrapbook she need cover ideas memorable quotes and funny ideas background ideas (when putting pictures she needs ...
Tuesday, November 8, 2011 at 12:03pm

6th grade math
which is bigger? 17/19 0r 0.85
Monday, November 7, 2011 at 7:45pm

7th grade math
8/9 \1/4
Saturday, November 5, 2011 at 7:53pm

Math
Which would amount to more money on December 31 of this year: $500 invested on January 1st of this year at 10% annual interest compounded quarterly; or a lump sum payment of $580? (a) the $500 investment (b) both are the same (c) the $580 lump sum (d) there is not enough ...
Thursday, November 3, 2011 at 11:10pm

Math
Solve the system using any algebraic method. 2x - 2y + z = 3 5y - z = -31 x + 3y + 2z = -21 ______________________ The answer I got for this is ( -26, 6,67) but I know its wrong and I don't know why. Help please >< my work is at the bottom I used substitution method ...
Tuesday, November 1, 2011 at 2:19am

MATH 7th GRADE
7ã3 / ã 5
Saturday, October 29, 2011 at 9:21pm

science
If a 150 pound man walks onto an elevator. Suddenly it rises rapidly from the 1st to 14th floor. if the man steps onto a scale in the elevator during the rapid rise, he would weigh... A) 150 pounds B) More than 150 pounds C) Less than 150 pounds Please explain, thank you.
Saturday, October 29, 2011 at 4:58pm

science
If a 150 pound man walks onto an elevator. Suddenly it rises rapidly from the 1st to 14th floor. if the man steps onto a scale in the elevator during the rapid rise, he would weigh... A) 150 pounds B) More than 150 pounds C) Less than 150 pounds Please explain, thank you.
Saturday, October 29, 2011 at 3:35pm

Science
If a 150 pound man walks onto an elevator. Suddenly it rises rapidly from the 1st to 14th floor. if the man steps onto a scale in the elevator during the rapid rise, he would weigh... A) 150 pounds B) More than 150 pounds C) Less than 150 pounds Please explain, thank you.
Saturday, October 29, 2011 at 2:12pm

MAth grade 8
y^2-4y+4/2-6y x 2y+4/3y^2-12
Wednesday, October 26, 2011 at 10:04am

Maths Grade 8
m^2-m-6 m^2 _________ x ______ m^2-9 m^2+2m
Wednesday, October 26, 2011 at 9:44am

geography
Which statements describe cultural influences? Florida is bordered by water on three sides. French is spoken in parts of Louisiana. Forests are cleared to provide space for cattle grazing. Male children are encouraged to attend the university. The longest river on the ...
Monday, October 24, 2011 at 10:40am

PLZ HELP....STATS
You are given the following data. # of Absences Final Grade 0 96 1 92 2 71 3 66 4 60 5 51 A. Find the correlation coefficient for the data. B. Find the equation for the regression line for the data, and predict the final grade of a student who misses 3.5 days.
Sunday, October 23, 2011 at 11:52pm

Stats
You are given the following data. # of Absences Final Grade 0 96 1 92 2 71 3 66 4 60 5 51 A. Find the correlation coefficient for the data. B. Find the equation for the regression line for the data, and predict the final grade of a student who misses 3.5 days.
Sunday, October 23, 2011 at 1:04pm

Math
You are given the following data. # of Absences Final Grade 0 96 1 92 2 71 3 66 4 60 5 51 A. Find the correlation coefficient for the data. B. Find the equation for the regression line for the data, and predict the final grade of a student who misses 3.5 days.
Friday, October 21, 2011 at 3:03pm

math
The number uses every number 0-9 the numbers are used only once the fourth digit is 4 the first digit in the billions place is 3 the 5 is next to the last digit the sixth digit is 7 the digit after 3 is 9 the digit before 5 is 2the third digit is half the value of the eigth ...
Thursday, October 20, 2011 at 9:26am

physics
After a jump, a skydiver reaches terminal speed in 10 seconds. Does he gain more speed during the first second of fall or the ninth second of fall? which of these two seconds (1st or 9th) will he fall the greater distance?
Wednesday, October 19, 2011 at 5:47pm

geometry
if home plate is 60.5 feet from the pitcher's mound, find the distance from the pitcher's mound of a major league baseball field to the center of a circumscribed circle that touches home plate, 1st base and second base. Find the exact, simplified length of the radius ...
Sunday, October 16, 2011 at 7:58pm

math
the number of 5th grade students in a school is a prime number greater than 50.What is the least number of 5th grade students there could be in a school
Thursday, October 13, 2011 at 5:05pm

math
the chess club has 55 members 22 of them are in 6th grade what percent of the club is not in 6th grade
Wednesday, October 12, 2011 at 8:08pm

math
Studies have shown a particular television commercial is understood by 25% of first grade students and 80% of fourth grade students. If a television advertising agency randomly selects one first grader and one fourth grader, what is the probability neither child would ...
Tuesday, October 11, 2011 at 12:05am

5th Grade Math
I just wanted to Thank you Ms. Sue for the help my son is in 5th grade and some of his homework i don't understand, and i don't want him to turn it in wrong. So if i have more of an understanding then i can help him more with his homework so he gets a better ...
Tuesday, October 4, 2011 at 9:58pm

social psy
) Researcher wants to look at the correlation between class attendance and grade in class (higher numbers indicating a higher grade). The researcher found the following result r = .82. The correlation coefficient tells researchers two pieces of information, the strength of the...
Monday, October 3, 2011 at 2:23pm

chemistry
how many carbon-hydrogen bonds does ethane have? how many carbon-carbon bonds does ethane have? is it 6 for the 1st and 1 for the 2nd?
Sunday, October 2, 2011 at 11:43pm

MsSue I need YOU
Hi Mssue you helped me wonderfully before and I thank you. I would also like your help again.. My teacher says from previous papers that my summaries lack clarity/elaboration.. I was hoping maybe you could help me with that.. I have the 1st paragraph which I did also the 2nd ...
Wednesday, September 28, 2011 at 6:37pm

math 11 grade
How do you do this 5a+(9)-12e*5a+(3)
Monday, September 26, 2011 at 9:10pm

6th grade math
3/4x-2/3x=2/5
Wednesday, September 21, 2011 at 4:44pm

English
I urgently need you to answer this question: 1) Is class the American English for lesson? Because students are asked to choose among three alternatives (one must be correct): a) lesson b) subject c) course If your next ....... is chemistry, physics or biology, go to the labs...
Wednesday, September 21, 2011 at 8:50am

5th grade algebra
4h=31-3 h=?
Thursday, September 15, 2011 at 8:18pm

6th grade math
but why is 2.0 bigger than 0.15?
Thursday, September 15, 2011 at 4:15pm

math
Polk Elementary School has three classes for each grade level,kindergarten through fifth grade.If there is an average of 27 students per classroom,about how many students attend Polk Elementary School?
Wednesday, September 14, 2011 at 2:55pm

third grade math
Does (4+5) + 2 = 9+2? Explain
Monday, September 12, 2011 at 7:29pm

6th grade
interview some from 9/11
Sunday, September 11, 2011 at 3:57pm

6th grade math
60x60x24x365x186000=???
Thursday, September 8, 2011 at 9:21am

6th grade math
2 2/3 \ 1 5/6
Thursday, August 18, 2011 at 7:31pm

Chemistry - please help
A substance was tested for Impurity A using liquid chromatography. 2 determinations were performed. In the 1st chromatogram, Impurity A was not detected, i.e. no Impurity A peak was observed and in the 2nd chromatogram, Impurity A peak was observed with a value of 0.3%. Is it ...
Saturday, August 13, 2011 at 4:52am

math
on his first exam, he studied for 10 hours and went to tell the mall for 4hours, and got a score of 85. how long should he study to get a grade of 96 and go to the mall for 17 hours? grade varies directly with studying and inversely with going to the mall. is the answer 48hrs?
Tuesday, August 2, 2011 at 12:30pm

Math
The number of dry cleaning orders picked up at Sunny Fresh Dry Cleaners was sampled over 12 hour periods. Below is the sample: 142 171 125 91 140 125 97 125 162 142 125 117 89 125 140 128 From this data set, compute the sample mean, median, mode and midrange. Compute the 1st ...
Friday, July 29, 2011 at 9:03pm

Geometry
M and N are the midpoints of PR(which has a line over PR) and QR(which has a line over QR)respectively. Using graph paper, repeat this process from the last problem using different coordinates for P, Q, and R. How do these lengths MN and PQ compare now? What do you think you ...
Tuesday, July 26, 2011 at 9:09pm

Math
Mr. Doodle’s grade distribution over the past 3 years for a course in college algebra is shown in the chart below. Grade Number A 45 B 180 C 110 D 95 F 65 I 5 If Jane plans to take a college algebra course with Mr. Doodle, determine the empirical probability that she ...
Wednesday, July 20, 2011 at 10:08am

Math
Mr. Doodle’s grade distribution over the past 3 years for a course in college algebra is shown in the chart below. Grade Number A 45 B 180 C 110 D 95 F 65 I 5 If Jane plans to take a college algebra course with Mr. Doodle, determine the empirical probability that she ...
Tuesday, July 19, 2011 at 5:30pm

Math-Please help :(
(a) translate the argument into symbolic form and (b) determine if the argument is valid or invalid. You may compare the argument to a standard form or use a truth table. If Nicholas Thompson teaches this course, then I will get a passing grade. I did not get a passing grade...
Thursday, July 14, 2011 at 10:42pm

stats
Can someone please help me, I have been working on this for 2 hours now and I keep getting a negative answer. You are given the following data. Number of Absences Final Grade 0 99 1 94 2 79 3 73 4 68 5 53 - Find the correlation coefficient for the data. - Find the equation for...
Thursday, July 14, 2011 at 9:21pm

Math
(a) translate the argument into symbolic form and (b) determine if the argument is valid or invalid. You may compare the argument to a standard form or use a truth table. If Nicholas Thompson teaches this course, then I will get a passing grade. I did not get a passing grade...
Thursday, July 14, 2011 at 6:13pm

Math
(a) translate the argument into symbolic form and (b) determine if the argument is valid or invalid. You may compare the argument to a standard form or use a truth table. If Nicholas Thompson teaches this course, then I will get a passing grade. I did not get a passing grade...
Thursday, July 14, 2011 at 4:48pm

Math
(a) translate the argument into symbolic form and (b) determine if the argument is valid or invalid. You may compare the argument to a standard form or use a truth table. If Nicholas Thompson teaches this course, then I will get a passing grade. I did not get a passing grade...
Wednesday, July 13, 2011 at 8:06pm

Math-geometry
(a) translate the argument into symbolic form and (b) determine if the argument is valid or invalid. You may compare the argument to a standard form or use a truth table. If Nicholas Thompson teaches this course, then I will get a passing grade. I did not get a passing grade...
Wednesday, July 13, 2011 at 6:39pm

Math-geometry
(a) translate the argument into symbolic form and (b) determine if the argument is valid or invalid. You may compare the argument to a standard form or use a truth table. If Nicholas Thompson teaches this course, then I will get a passing grade. I did not get a passing grade...
Tuesday, July 12, 2011 at 12:00am

Math
The table below shows the number of molecules in experiment B. Time(h) : 1st , 2nd , 3rd , 4th , 5th No. of molecules : 3 , 8 , 15 , 24, 35 (i) how many molecules will there be in nth hour? (ii) from which hour onwards would the no. of molecules be in experiment B?
Saturday, June 18, 2011 at 1:23am

chemistry - ionization energy(check + help)
I need help understanding by boron does not follow the ionization trend across the period is lower than the first two elements in the same period, where as it should be higher. has it got to do with the p block having an electron, which makes it easier to remove the electron ...
Wednesday, June 8, 2011 at 4:24am

math
a number story for grade 4?
Wednesday, June 8, 2011 at 3:19am

math grade 5
My sister in grade 5 needs help but i dunt exactly know how to do the answers myself, so if someone can help me out i can explain to her better. Thanks 3. You are using a tree diagram with 12 branches to show the possible outcome of a probability experiment What might the ...
Monday, June 6, 2011 at 8:55pm

MAT/116
I was just wandering if this was correct? 1. Your company is planning to spend no less than $80,000 and no more than $100,000 on a landscaping project, which will be used as a promotional park that promotes your toaster manufacturing company. Write an inequality with a ...
Monday, May 30, 2011 at 12:26am

MAT/116
I was just wandering if this was correct? 1. Your company is planning to spend no less than $80,000 and no more than $100,000 on a landscaping project, which will be used as a promotional park that promotes your toaster manufacturing company. Write an inequality with a ...
Sunday, May 29, 2011 at 11:55pm

math
Mr. Doodle’s grade distribution over the past 3 years for a course in college algebra is shown in the chart below. Grade Number A 45 B 180 C 210 D 95 F 65 I 5 If Jane plans to take a college algebra course with Mr. Doodle, determine the empirical probability that she ...
Sunday, May 29, 2011 at 7:57pm

Chemistry
0.100 mol of SO2 and 0.100 mol of O2 are introduced in a flask of 1.52 L. When in equilibrium, 203 is found to be 0.0916 mol. Determine kp. 2S03(g) <-> 2SO(g) + O2(g) In order to solve this question 1st I made an ICE table and I got the values 2SO3 <-> 2SO + 02 I ....
Saturday, May 28, 2011 at 8:48pm

school in general
Hi i have a question im currently in 7th grade but i was held back a year in first do you think there would be any possible way to advance to 8th grade just curios I believe I have a wide enough knowledge span to pull it off but im just questioning the wheter or not it would ...
Friday, May 27, 2011 at 6:48pm

SCIENCE(PHYSICS)
A train travels 40 km/hr for 0.2 hr, 50km/hr for next 0.2hr and 60km/hr for next 0.4 hr.calculate the average speed of train. My Solution:-1st hr. distance=40 multiplied by 0.2=8km 2nd hr.= 50 multiplied by 0.2=10km 3rd hr. =60 multiplied by 0.4=24 km Average speed=10+24+8 ...
Wednesday, May 25, 2011 at 6:35am

math
i'm in 5th grade what is 9/26 with a remander
Monday, May 23, 2011 at 6:24pm

6th Grade Math
76 is what percent of 15??????????????????
Sunday, May 22, 2011 at 10:20am

criminal justice
Prepare a 6–8 slide PowerPoint presentation that addresses the following questions: •What are some of the ways that organized crime impacts you and a community and/or city (of your choice) directly? (This element will account for 20% of your grade.) •What are ...
Wednesday, May 18, 2011 at 1:03am

Maths 7th grade
How do you factorise?
Tuesday, May 17, 2011 at 1:05pm

Algebra
Could anybody help me with these two problems, or at least the 1st one? Thank you very much. „« The measure of the third angle of a triangle is 38 degrees more than the second angle. The measure of the first angle is two less than twice the second angle, Find the ...
Monday, May 16, 2011 at 1:39am

algebra
The value, v, of a shopkeepers inventory software program is given by v= -1/2t+5, where t is the number of years since the shopkeeper bought the program. What is the program worth four years after it is 1st purchased. Plot the point with the given t-value, 4. I have made ...
Friday, May 13, 2011 at 7:16pm

trig
1st-the reason i keep change my name because some of my friends are using my computer by their own name to asked questions. we are having a hard time solving each trig problems 2nd- if sin theta=0.6 and 90 degree <theta < 180 degree, find the exact value of sin 2 theta. ...
Sunday, May 8, 2011 at 5:16pm

physics
If 7.00hp are required to drive a 1500-kg automobile at 66.0 km/h on a level road. What power is necessary to drive the car at 66.0 km/h down a 1.00 % grade? It requires 42.9 hp to drive the car at 66.0 km/h up a 10.0 % grade (a hill rising 10.0 m vertically in 100.0 m ...
Thursday, May 5, 2011 at 3:22am

Physics
If 7.00hp are required to drive a 1500-kg automobile at 66.0 km/h on a level road. What power is necessary to drive the car at 66.0 km/h down a 1.00 % grade? It requires 42.9 hp to drive the car at 66.0 km/h up a 10.0 % grade (a hill rising 10.0 m vertically in 100.0 m ...
Wednesday, May 4, 2011 at 3:38am

8th grade math
2x-5y=14 3x+2y=40 what is the solve of xy ?
Tuesday, May 3, 2011 at 11:23pm

8th grade math
2x-5y=14 3x+2y=40 what is the solve of xy ?
Tuesday, May 3, 2011 at 11:23pm

5th grade math
how do you reduce 15/20 and 8/20?
Monday, May 2, 2011 at 1:58pm

8th grade math
3.5 X 10 ________ 7 x 10^-9
Sunday, May 1, 2011 at 11:57pm

Chemistry 20
Sorry, the 1st part to those 2 questions are: Hard water contains metal ions, most commonly calcium and magnesium ions. Some moderately hard water is found to contain 200ppm of calcium hydrogen carbonate.
Saturday, April 30, 2011 at 5:51pm

Health as a Social Institution
1) What do you think Canadians can learn from other cultures about the treatment of illnesses? 2) Define good health, illness, and disease in your own words and use examples.* Put yourself in someone's place living in a non-Western nation. How and why might that person ...
Thursday, April 28, 2011 at 7:03am

math
There are 283 students in Walley's school and 59 of them are in the sixth grade. What is the approximate percent of student at Walley's school who are in the sixth grade
Wednesday, April 20, 2011 at 9:23pm

math
An average score of 90 or above in a history class receives an A grade. You have scores of 90, 89, and 85 on three exams. Find the range of scores on the fourth exam that will give you an A grade for the course. (Let N stand for your score on the fourth exam.)
Wednesday, April 20, 2011 at 9:22pm

MAth
I don't know how to begin this one-help Janie bought 2 pairs of identical jeans at a sale.she paid regular price for the 1st pair and paid half price forthe 2nd pair.if the the total cost was $45.00,what was the regular price of the jeans? 2x-1/2x=45 ??
Friday, April 15, 2011 at 2:33pm

grade nine math Polynomials
4s + 3 -s = -6
Wednesday, April 13, 2011 at 12:43pm

MATH
Im Struggling with this assignment here. Would like help ASAP. Consider following situation.. You are going to buy this laptop at $1294.00 plus HST. You can also pay $50 a month for 30 months with down payment of $100. Compare following 3 scenarios using spreadsheets to ...
Wednesday, April 6, 2011 at 9:24pm

Chemistry-help needed
Posted by candy on Monday, March 28, 2011 at 3:15pm. 0.3g of clotrimazole (C22H17ClN2) was dissolved in 80ml of anhydrous acetic acid. This was titrated with 0.1M perchloric acid using 0.3ml of naphtholbenzein as indicator until the colour changes from brownish-yellow to green...
Tuesday, March 29, 2011 at 8:13am

Math
The mean weight of 75 2nd graders is 55.7 lbs and the mean weight of 25 1st graders is 42.6 lb. What is the mean weight of the 100 children
Monday, March 28, 2011 at 8:19pm

Math
The mean weight of 75 2nd graders is 55.7 lbs and the mean weight of 25 1st graders is 42.6 lb. What is the mean weight of the 100 children
Monday, March 28, 2011 at 8:09pm

math
Please Help!! The mean weight of 75 2nd graders is 55.7 lbs and the mean weight of 25 1st graders is 42.6 lb. What is the mean weight of the 100 children
Monday, March 28, 2011 at 7:24pm

math
The mean weight of 75 2nd graders is 55.7 lbs and the mean weight of 25 1st graders is 42.6 lb. What is the mean weight of the 100 children
Monday, March 28, 2011 at 6:56pm

Math
The mean weight of 75 2nd graders is 55.7 lbs and the mean weight of 25 1st graders is 42.6 lb. What is the mean weight of the 100 children?
Monday, March 28, 2011 at 6:05pm

chemistry - help
0.3g of clotrimazole (C22H17ClN2) was dissolved in 80ml of anhydrous acetic acid. This was titrated with 0.1M perchloric acid using 0.3ml of naphtholbenzein as indicator until the colour changes from brownish-yellow to green. 1ml of 0.1M perchloric acid is equivalent to 34....
Monday, March 28, 2011 at 3:15pm

7th grade math
what is an equation?
Sunday, March 27, 2011 at 11:34pm

7th grade math
what is an equation?
Sunday, March 27, 2011 at 11:34pm

7th grade math
2x+7=4x+3 ? 3x+6=5x+1 ? 2n+6=8N+3 ? 6N+9=9n+6 ?
Sunday, March 27, 2011 at 7:42pm

3rd grade math
16 1/2 x 33 = is it 792
Sunday, March 27, 2011 at 5:39pm

grade nine polynomials
(3/4) (1/-2) + (5/6) (-1/3)
Sunday, March 27, 2011 at 3:46pm

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