Monday

January 23, 2017
**math**

what is (x to the 3rd power + x to the 2nd power) divided by ((x+4)(X-4)) multiplied by (x+4) divided by (3x to the 4th power + x to the 3rd power + 2x to the 2nd power)

*Wednesday, August 3, 2011 by kellie*

**Math**

Mr. Doodleâ€™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 ...

*Wednesday, July 20, 2011 by Jen*

**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 by Jen*

**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 by Celest*

**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 by Jen*

**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 by Jen*

**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 by Jen*

**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 by Jen*

**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 by Jen*

**Biology**

Human vision can distinguish objects down to about a 4th of a millimeter (~250 micrometers). Given this, which of the following are generally visible to the human eye? Proteins Bacterial cell Animal cell Poxvirus Ribosomes Plant cell None of the above I think none of the above...

*Monday, June 20, 2011 by Kay*

**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 by Smartypants*

**math**

a number story for grade 4?

*Wednesday, June 8, 2011 by tanvi verma*

**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 by saira*

**3rd grade math**

Explain how to compare 0.34 and 0.27?

*Monday, June 6, 2011 by Rae*

**science**

7th grade..... what is the function of the retina in the eye ?:)<3

*Thursday, June 2, 2011 by ruth a.*

**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 by Vic*

**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 by Vic*

**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 by JESSE*

**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 by dan*

**math**

i'm in 5th grade what is 9/26 with a remander

*Monday, May 23, 2011 by angelina*

**6th Grade Math**

76 is what percent of 15??????????????????

*Sunday, May 22, 2011 by Mbaintu*

**5th Grade**

write the number13 inbase six

*Saturday, May 21, 2011 by Raja*

**criminal justice**

Prepare a 6â€“8 slide PowerPoint presentation that addresses the following questions: â€¢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...

*Wednesday, May 18, 2011 by nancy*

**Maths 7th grade**

How do you factorise?

*Tuesday, May 17, 2011 by Z*

**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 by Allison*

**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 by Allison*

**8th grade math**

If the sum of 1! + 2! + 3! + 4! + ... + 49! + 50! is divided by 15, what is the remainder?

*Wednesday, May 4, 2011 by Anonymous*

**8th grade math**

2x-5y=14 3x+2y=40 what is the solve of xy ?

*Tuesday, May 3, 2011 by Anonymous*

**8th grade math**

2x-5y=14 3x+2y=40 what is the solve of xy ?

*Tuesday, May 3, 2011 by Anonymous*

**5th grade math**

how do you reduce 15/20 and 8/20?

*Monday, May 2, 2011 by mary*

**math**

in 4a and 4c there are same no of girls total there are 56 people in both the classes if 1/3 of people in 4a and 1/4th of people in 4c are girls find total number of girls in both the classes

*Monday, May 2, 2011 by Anonymous*

**8th grade math**

3.5 X 10 ________ 7 x 10^-9

*Sunday, May 1, 2011 by john*

**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 by Mecca*

**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 by lucy*

**math algebara 8th grade**

system of equations thank you 2x+3y-17 3x+y=31 2(x-3y)=24 y=3x-2 2(x+4)=24 x+y=17

*Wednesday, April 20, 2011 by amey*

**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 by RB*

**grade nine math Polynomials**

4s + 3 -s = -6

*Wednesday, April 13, 2011 by peyton*

**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 by brooke*

**5th grade Math**

Explain how you can find the product of 5 and 3/4.

*Thursday, April 7, 2011 by Sarah*

**science**

I have two questions I need help with. First is a two word answer for _____ can occur when heat from a volcano melts snow on a mountain. Total of 12 letters, 2nd is a, 4th s, 12th t. Second question-what is a 7 letter word for a mixture of loose sand, rock, and water moving at...

*Thursday, March 31, 2011 by ccrs*

**7th grade**

use backtracking to solve each e quations ?. 2x +1=9, 7k-3=32, 5(n-8)=25 2(2t-1)=14 8x-1=63 ,2x-5=15,

*Tuesday, March 29, 2011 by holiday*

**7th grade math**

what is an equation?

*Sunday, March 27, 2011 by holiday*

**7th grade math**

what is an equation?

*Sunday, March 27, 2011 by holiday*

**7th grade math**

2x+7=4x+3 ? 3x+6=5x+1 ? 2n+6=8N+3 ? 6N+9=9n+6 ?

*Sunday, March 27, 2011 by holiday*

**3rd grade math**

16 1/2 x 33 = is it 792

*Sunday, March 27, 2011 by Sharon*

**grade nine polynomials**

(3/4) (1/-2) + (5/6) (-1/3)

*Sunday, March 27, 2011 by brooke*

**6th grade math**

s=5m find the area of square

*Monday, March 21, 2011 by Sally*

**Fractions-easy 5th grade**

Multiply and divide. 1) -2 4/11(-2) 2) 5 1/7 / 4 1/8

*Saturday, March 19, 2011 by Justin*

**Second Grade Fractions**

4/6 of 18 is ?

*Thursday, March 17, 2011 by Rosie*

**5th grade math**

please show how to get the answer... w>2 d+6<15 s-1>4

*Wednesday, March 16, 2011 by casey*

**5th grade math**

please show how to get the answer... w>2 d+6<15 s-1>4

*Wednesday, March 16, 2011 by casey*

**5th grade math**

please show how to get the answer... w>2 d+6<15 s-1>4

*Wednesday, March 16, 2011 by casey*

**MATH**

A track meet awards 6, 5, 4, 3, 2 and 1 points for 1st, 2nd, 3rd, 4th, 5th and 6th places, respectively. Team Aâ€™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 &#...

*Wednesday, March 16, 2011 by ABC123DoReMi*

**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 by y912f*

**5th grade math**

is 13/20 greater than 3/4

*Tuesday, March 8, 2011 by Olivia Hines*

**5th grade math**

3m=63

*Tuesday, March 8, 2011 by casey*

**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 by hamza*

**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 by Tina*

**MATH Grade 12**

How do you sketch an equation like x+4=-2(y-3)^2 ???

*Thursday, February 24, 2011 by Anonymous*

**3rd grade math**

How do yu draw an array for the number 88

*Thursday, February 24, 2011 by Jim*

**Math**

What does I=prt mean in 7th grade verison?

*Tuesday, February 22, 2011 by Rebecca Broda*

**Math Trivia**

1) A school has 1-- closed lockers. Larry comes into the school and "toggles" every second locker, then Fred toggles every 3rd, Bob every 4th, etc, up to Zoe who toggles every 100th locker. After all this"toggling" how many lockers are open? 2) If you take ...

*Monday, February 21, 2011 by Josh*

**OLSAT**

I don't know if this can be answered here but, I will ask. My son took the OLSAT test. He is a first grader but, on my assessment results he is listed as a 4th grader. His SAI is 110. Would this error change his results?

*Saturday, February 19, 2011 by kathleen*

**grade 2**

what is he probilty of rolling a dice and get a 5 if you rol it 5 time

*Friday, February 18, 2011 by eric*

**8th grade math**

-7x+7y=7 2x-2=-18 how many solutions does this system have ?

*Thursday, February 17, 2011 by Kassandra*

**8th grade science**

Why is water essential to life?

*Thursday, February 17, 2011 by Kallie*

**chemistry**

Consider the combustion reaction: C3H8 (g) + 5 O2(g) ---> 3 CO2(g) + 4H2O(g), where triangle symbol H= - 531 kcal/mol. If 6.70 x 10 to the 4th kcal of energy is released in the reaction, How many grams of oxygen were consumed

*Thursday, February 17, 2011 by sukanya*

**geometry**

The road rose at an 8 degree angle, what is the grade?

*Tuesday, February 15, 2011 by Tom*

**Homophones/ 8th grade English**

What is a homophone for racecourse?

*Tuesday, February 15, 2011 by Aimme J. Keller*

**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 by Cass*

**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 by Rachal*

**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 by Rachal*

**math**

The question that have is to simplify and write the answer in exponential notation using positive exponents 2 to 4th power x 2 -2 These are my choices a 4 to the 8th power b 2 to the 8th power c 4 to the 2nd power d 2 to the 2nd power

*Saturday, February 5, 2011 by Jimmy*

**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 by Sam*

**math**

what is a sixth grade division problem with the number 17 in it?

*Wednesday, February 2, 2011 by Alexa*

**7th grade math**

21/8 divided by 5/6=? in simplest form

*Monday, January 31, 2011 by nick*

**geomertry**

what is radius and diameter in third grade math

*Sunday, January 30, 2011 by nea*

**6th grade math**

What is 4 divided by n is 1/2?

*Sunday, January 30, 2011 by Anna*

**6th grade math**

what is 1/4*1/2=4d?

*Sunday, January 30, 2011 by Sara*

**6th grade math**

How did you get c=1/5 when you have 5c=2/3 divided by 2/3?

*Sunday, January 30, 2011 by Anna*

**4th grade**

nick's diner advertise fresh squeezed orange juice every day of the year. he serves twenty-four 8-ounce glasses of juice a day. nick knows it takes three 6-ounce oranges to make one 8-ounce glass of juice. nick orders oranges by cases that have 24 oranges and weigh a total...

*Monday, January 24, 2011 by dk*

**6th grade math**

Is the answer to G - 2 2/5 = 5 4/5 G = 7 6/5 ?

*Sunday, January 23, 2011 by Suzanne*

**Math Grade 12 college**

250(1.03)^n=400 solve for n

*Sunday, January 23, 2011 by Alex*

**statistics**

if this are class scores and in one week i have bimodal distribution,another week a positive skew,3rd week a normal distribution and 4th week negative skew.what does this different scores tells you about thios tests , what is happening to the students scores overtime. what ...

*Saturday, January 22, 2011 by frances*

**8th grade Science**

In ionic bonds, what is the answer to these? Li + P and Rb + As and Pb + F and Bc + N ??

*Wednesday, January 19, 2011 by Susan*

**Medical & Billing**

Can any one let me know how long it will take to complete Medical & billing certificate i am doing from Penn Foster and i am doing 4th assignement & 4 moths are over,it really sucks with projects kindly help me with ur comments what should i do continue or quit ?

*Wednesday, January 19, 2011 by Joe*

**6th grade math**

How many 5/6's are in 1? Is the answer 6/5 ??

*Saturday, January 15, 2011 by Suzanne*

**9th grade algebra**

solve -5/6=2/3(3c+4)

*Tuesday, January 11, 2011 by james*

**9th grade algebra**

solve df + 10h=3 for h

*Tuesday, January 11, 2011 by james*

**6 grade math**

Dividing 22/7 / 5

*Monday, January 10, 2011 by Aaron*

**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 by Anonymous*

**3rd grade social studies**

what is agora

*Tuesday, January 4, 2011 by megan*

**5th grade math**

subtract 1/2 from 5/6

*Monday, January 3, 2011 by jill*

**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 by michelle*

**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 by michelle*

**5th grade**

divide 6358 by 100

*Monday, December 27, 2010 by chris*

**5th grade**

what expression shows the factors of 27?

*Friday, December 17, 2010 by trent*

**5th grade**

what is the magnitude estimate for 78.6 divided by 6

*Thursday, December 16, 2010 by matt*

**12th grade**

C6H8O7 + 3NaOH --> NaC6H5O7 + 3H2O

*Tuesday, December 14, 2010 by ronald*

**12th grade**

C6H8O7 + 3NaOH --> NaC6H5O7 + 3H2O

*Tuesday, December 14, 2010 by ronald*