Sunday

April 19, 2015

April 19, 2015

**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*

**PreCalc - Sequence**

A ball is dropped from a height of 20 ft and always rebounds 1/4 of the distance fallen. A. write a sequence for the first 3 rebound heights B. How high is the 6th rebound? C. Find the sum of all possible rebounds. I keep getting numbers that are too high. I don't think I ...
*Wednesday, July 27, 2011 at 6:25pm*

**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-algebra 1**

Find the 6th term of the geometric sequence whose common ratio is 1/3 and whose first term is 7.
*Thursday, July 14, 2011 at 3:12pm*

**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**

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*

**3rd grade math**

Explain how to compare 0.34 and 0.27?
*Monday, June 6, 2011 at 8:38pm*

**algebra**

the first term of a sequence of numbers is 1. if each term after the first is the product of -2 and the preceding term, what is the 6th term of the sequence? How do I approach this problem?
*Thursday, June 2, 2011 at 7:29pm*

**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*

**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*

**world issuse**

I'm a 7 letter word u read daily,my 5th 6th and 7th letter increase each year,my 3rd n 4th letter are the same,my 3rd 2nd n 5th letter cover 75% of the world.
*Tuesday, May 24, 2011 at 2:29am*

**Chemistry**

An electron ps from the 6th to te 3rd energy level in the hydrogen atom: a) calculate the wavelength b) calculate the frequency c) calculate te enrgy d) into which spectral series would the photon be grouped? (i really just need to formulas, then i could solve myself...)
*Monday, May 23, 2011 at 9:52pm*

**math**

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

**science**

a body is moving with a uniform acceleration travels 24m in the 6th second and 44m in the 11th second. find 1). acceleration 2). uniform velocity of the body
*Saturday, May 21, 2011 at 3:02am*

**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**

The 5th term of an exponential sequence is 4 and of 2nd term is 35(¡)find the 3rd term (¡¡)the 6th term (¡¡¡)the sum of the first 5th term?
*Tuesday, May 17, 2011 at 1:24pm*

**Maths 7th grade**

How do you factorise?
*Tuesday, May 17, 2011 at 1:05pm*

**Business Finance**

When a bank borrows 550,000 from the FED snd received s short-term ajustment credit for 3 days with the loan promised to be paid on the 6th day how much total reserves would rise with this loan.
*Sunday, May 15, 2011 at 5:22pm*

**statistics**

mean of 11 numbers is 35 if mean of first 6 numbers is 32 and that of last 6 numbers is 37 then what is 6th number?
*Sunday, May 15, 2011 at 8:52am*

**College Chemistry**

What mass of ice, at 0.00 C can be converted to steam, at 100 degrees C, if it absorbs 1.00 x 10 (to the 6th power) Jules of heat energy? How do you find the mass of ice?
*Thursday, May 12, 2011 at 1:16am*

**Science-6th**

I'm having some trouble with this thing in science. It wants us to list four members of the Protist kingdome. I already have 3, algae, protozoa, and slime molds. I can't think of a 4th one! Help please!
*Thursday, May 5, 2011 at 6:14pm*

**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*

**math **

find the greatest common factor and simplify your answer. 4v to the 7th power y to the 9th power and 16v to the 6th power x to the 8th power y to the 5th power.
*Thursday, April 28, 2011 at 5:45pm*

**math**

simplify, 4v to the 7th power y to the 9th power and 16v to the 6th power x to the 8th power y to the 5th power.
*Thursday, April 28, 2011 at 5:34pm*

**math**

4v to the 7th power y to the 9th power and 16v to the 6th power x to the 8th power y to the 5th power
*Thursday, April 28, 2011 at 5:02pm*

**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*

**Stat**

P(A)=.10, P(B)=.30, P(C)=.40, P(D)=.10, P(F)=.10. Determined the expected grade and variance for the course.
*Sunday, April 17, 2011 at 8:20pm*

**grade nine math Polynomials**

4s + 3 -s = -6
*Wednesday, April 13, 2011 at 12:43pm*

**grade 9 math**

Does this answer seem correct. 2k+3=4k-5 2k-4k+3-3=-5-3 2k-4k=-5-3 -2k/-2k = -8/2 k=4
*Tuesday, April 12, 2011 at 7:51pm*

**Criminal Law**

Should someone be force to testify or why should they testify even if they are under oath? I thought that the 5th or 6th amendment protects a person from testify even if they have nothing to hide. Is this true? Which amendment give an individual the right not testfiy agasint ...
*Tuesday, March 29, 2011 at 5:50pm*

**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*

**arithmetic**

use the geometric mean to find the 7th term in a geometric sequence if the 6th term is 50 and the 8th term is 18
*Thursday, March 17, 2011 at 12:35pm*

**Second Grade Fractions**

4/6 of 18 is ?
*Thursday, March 17, 2011 at 12:21am*

**MATH**

A track meet awards 6, 5, 4, 3, 2 and 1 points for 1st, 2nd, 3rd, 4th, 5th and 6th places, respectively. Team A’s only two runners originally earned 6 points in the ﬁrst race with both runners ﬁnishing in the top 6, but then the winner of the ﬁrst ...
*Wednesday, March 16, 2011 at 2:18pm*

**English-writeacher**

Hey, I just wanted to let you know that I got the grade back for that english paper you helped me write a few weeks back...the movie analysis on A Walk to Remember. I got a B! : ) But I have a chance to revise it according to the teachers comments and turn it in for a better ...
*Tuesday, March 15, 2011 at 8:29pm*

**math**

The average of 5 numbers is 28. What would the 6th number have to be to bring the average up to 30? Anne’s average in math is 92. She wants to raise her average to 93 so she will make an A. she is taking a test on Friday. What score will she have to make on the test to ...
*Monday, March 14, 2011 at 4:54pm*

**pre algebra**

my grade is 83.17 in pre algebra in college, but the final exam is worth 300 points. If I got a B or B- or a C on the final, what would my grade be overall?
*Thursday, March 10, 2011 at 9:20pm*

**5th grade math**

is 13/20 greater than 3/4
*Tuesday, March 8, 2011 at 8:20pm*

**5th grade math**

3m=63
*Tuesday, March 8, 2011 at 5:26pm*

**math**

Girls are one-half of the fifth grade class.Two-tenths of these girls have red hair.Red haired girls are what fraction of the fifth grade class?
*Wednesday, March 2, 2011 at 7:54pm*

**Unix Script**

"Using "if" statement checks for a file called "student.txt" in the current directory. Removes (deletes) the file if it exist. This file will collect last name, first name, and grade for 5 people. Use a while loop to get the information (last name, ...
*Saturday, February 26, 2011 at 9:43am*

**MATH Grade 12**

How do you sketch an equation like x+4=-2(y-3)^2 ???
*Thursday, February 24, 2011 at 11:51pm*

**6th earth science**

Can anyone help with this question If Earth's land features made by process of moving water are likely to be found on other celestial objects? I am trying to help my son but not sure I am understanding the question right myself.
*Thursday, February 24, 2011 at 9:55pm*

**Chemistry-help needed**

Can we use an ACS/AR grade chemical for UV spectrophotometric analysis? Or is it a must to use a chemical that is specially designated (SpectrAR grade) for UV analysis?
*Monday, February 21, 2011 at 5:15pm*

**Chemistry-pls help**

Can we use an AR grade chemical for UV spectrophotometric analysis? Or is it a must to use a chemical that is specially designated (SpectrAR grade) for UV analysis?
*Thursday, February 17, 2011 at 2:39pm*

**Chemistry-help needed**

Can we use an AR grade chemical for UV spectrometric analysis? Or is it a must to use a chemical that is specially designated (SpectrAR grade) for UV analysis?
*Thursday, February 17, 2011 at 9:10am*

**6th grade science fair project**

Each week up until fair time we have to turn in one aspect of our project. This week it deals with our conrol, dependent and independent variables and constants. I will tell you that I got my idea form sciencebuddies. My project is Ocean Currents: Modeling the 'Global ...
*Wednesday, February 16, 2011 at 10:00am*

**algebra 2**

I am so stuck on this factoring thing. how do you solve: 1)15a(squared)b-10ab(squared) 2)x(squared)-8x-8 3) 6p(squared)-17p-45 4)2r(cubed)+250 5)x(to the 6th power)-64 6)x(squared)-xy+2x-2y 7)x(to 4th power)-1
*Monday, February 14, 2011 at 8:50pm*

**Math**

Frank has a 65% chance of receiving an A grade in geology, a 60% chance of receiving an A grade in mathematics, and a 77% chance of receiving an A grade in geology or mathematics (or both). Find the probability that he receives A grades in both geology and mathematics. I get: ...
*Saturday, February 12, 2011 at 9:05pm*

**Statistics - can someone check me**

Frank has a 65% chance of receiving an A grade in geology, a 60% chance of receiving an A grade in mathematics, and a 77% chance of receiving an A grade in geology or mathematics (or both). Find the probability that he receives A grades in both geology and mathematics. P(geo ...
*Saturday, February 12, 2011 at 5:33pm*

**Pre-Calculus**

74. Road Grade When driving down a mountain road, you notice warning signs indicating that it is a "12% grade." This means that the slope of the road is -12/100. Approximate the amount of horizontal change in your position if you note from elevation markers that you ...
*Thursday, February 3, 2011 at 4:48pm*

**physics**

A body is dropped from a height of 10 meters on Earth and hits the ground with a certain velocity. The body is then taken to the moon, which has a gravitational constant that is 1/6th the value as compared to Earth. It is dropped from the same height, hitting the ground with a...
*Tuesday, January 25, 2011 at 10:09pm*

**Pre-Algebra**

Find each product or quotient. express using exponents 4. Neutral water has a pH of 7. Each one-unit decrease i the pH means that the solution is 10 times more acidic. How much more acidic vinegar is than baking soda if vinegar has a ph of 3 and baking soda has a ph of 9? I ...
*Tuesday, January 18, 2011 at 9:23pm*

**9th grade alegbra**

solve -5/6=2/3(3c+4)
*Tuesday, January 11, 2011 at 10:09am*

**9th grade alegbra**

solve df + 10h=3 for h
*Tuesday, January 11, 2011 at 8:11am*

**6 grade math**

Dividing 22/7 / 5
*Monday, January 10, 2011 at 7:23pm*

**HELP MATH **

lee looked at the results of an exam he had just given to his grade 2 math class. he saw that louise had a score of 95%. he also saw that the standard deviation for the test was 0. if arif was also in his grade 2 math class, what mark did arif get on the exam?
*Thursday, January 6, 2011 at 3:12pm*

**Math 12 **

sum of 2nd and 5th terms of a geometric sequence is 13. the sum of the 3rd and 6th is -39. determine: a) the ratio "r" of the sequence b) the first term "a" of the sequence
*Wednesday, January 5, 2011 at 5:25am*

**3rd grade social studies**

what is agora
*Tuesday, January 4, 2011 at 8:44pm*

**4th grade**

IF R X R X R = 27 AND R X B = 6 WHAT IS THE VALUE OF B X B X B
*Monday, January 3, 2011 at 7:44pm*

**5th grade math**

subtract 1/2 from 5/6
*Monday, January 3, 2011 at 7:12pm*

**4th grade**

if b x w = 24, b x b = 16 what is the value of w x w?
*Monday, January 3, 2011 at 6:42pm*

**law**

Over the past decade, some countries have shown high crime rates while other countries have lower crime rates. For example, the lowest homicide rates in 2000 existed in Saudi-Arabia and Japan, while France and Germany had the highest homicide rates. Their rates, however, were ...
*Sunday, January 2, 2011 at 7:27pm*

**law**

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 some of the ways that law enforcement agencies are working to reduce these types of organized crime in ...
*Sunday, January 2, 2011 at 7:27pm*

**Math**

Corey has take a job with an initial salary of $26,000 an annual raises of $1,250/ (a) What will his salary be in the 6th year? (b) How much money in total will Corey have earned after six years? (a) a6 = 26000 + (6 - 1) 1250 (b) S6 = 6/2 (26000 + 1250)
*Monday, December 27, 2010 at 3:17pm*

**5th grade**

divide 6358 by 100
*Monday, December 27, 2010 at 2:20pm*

**4th grade**

23x17 in expanded algorithm
*Monday, December 20, 2010 at 6:24pm*

**5th grade**

what expression shows the factors of 27?
*Friday, December 17, 2010 at 1:19am*

**5th grade**

what is the magnitude estimate for 78.6 divided by 6
*Thursday, December 16, 2010 at 5:58pm*

**7th grade**

how dose mitosis let you survive?
*Tuesday, December 14, 2010 at 10:27pm*

**5th grade**

7 5/12 - 5 7/12
*Tuesday, December 14, 2010 at 5:38pm*

**Math 7th grade**

40/n = 28/22 what is n?
*Monday, December 13, 2010 at 11:20pm*

**4th grade**

what is 27×19 in expanded algorithm?
*Monday, December 13, 2010 at 8:23pm*

**11th grade**

20xsquared+40 x+15=0
*Monday, December 13, 2010 at 8:22pm*

**5th grade**

how old was Anne when she died
*Monday, December 13, 2010 at 5:50pm*

**8th grade**

I want write in english please help me
*Monday, December 13, 2010 at 5:38am*

**Math 8th grade**

.02(2X-3)-0.03(3x(.2)=-.02
*Sunday, December 12, 2010 at 8:06pm*

**fractions**

Mr.shafier has been teaching school for 10 years.For 6 of those years he taught 8th grade.what fraction represents the time Mr.shafier has not been teaching 8th grade?I knoe the answere is 2 5ths. but how do i show work?HELP!!!!!!!!!!!!!!!
*Sunday, December 12, 2010 at 2:39pm*

**8th grade**

Solve 3r + 18 ¡Ü 6r
*Saturday, December 11, 2010 at 1:01am*

**10th grade**

If ab=6y & bc=8y What is BD In Terms Of Y.??
*Friday, December 10, 2010 at 2:05pm*