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October 22, 2014

Homework Help: 8th Grade

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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

6th grade math
What is 4 divided by n is 1/2?
Sunday, January 30, 2011 at 3:50pm

6th grade math
what is 1/4*1/2=4d?
Sunday, January 30, 2011 at 12:12pm

Writing Skills Test
I just want to know what this test consist of. I'm taking Comp/220 and in the 8th week. I don't want any answers just want to know what the test consist of so I can prepare before taking.
Tuesday, January 25, 2011 at 1:09pm

6th grade math
Is the answer to G - 2 2/5 = 5 4/5 G = 7 6/5 ?
Sunday, January 23, 2011 at 10:19pm

physical science
How many hours are required for a radio signal from a space probe near the dwarf planet Pluto, 6.00 x 10 (to the 9th) km away, to reach Earth? Assume that the radio signal travels at the speed of light, 3.00 10 (to the 8th) m/s.
Saturday, January 22, 2011 at 8:04pm

6th grade math
How many 5/6's are in 1? Is the answer 6/5 ??
Saturday, January 15, 2011 at 8:08pm

9th grade alegbra
solve -5/6=2/3(3c+4)
Tuesday, January 11, 2011 at 10:09am

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

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
is x to the 4th power plus x to the 4th power equal to x to the 8th power?
Friday, December 31, 2010 at 3:15pm

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

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

7th grade
how do i solve a+3/5=24/25
Thursday, December 9, 2010 at 7:47pm

6th grade
how do you do rate of change?
Wednesday, December 8, 2010 at 8:13pm

5th grade
What is the mode of these # 19,20,32,26
Wednesday, December 8, 2010 at 4:43pm

7th grade
2(2.5b-9) + 6b= -7 what is b
Wednesday, December 8, 2010 at 2:54pm

Math
If a wall is 6th tall and a ladder is leaning against it. The ladder is 8th tall, how far apart is is the base of the ladder away from the wall?
Tuesday, December 7, 2010 at 6:50pm

12th grade
How many moles are in 8.8*10 to the 34
Tuesday, December 7, 2010 at 6:25pm

10th grade
2x-y=-5 -2x-5y=11
Tuesday, December 7, 2010 at 1:47pm

6th grade
-20 / (-10)=
Tuesday, December 7, 2010 at 1:24am

6th grade
-17-(-5)
Tuesday, December 7, 2010 at 12:22am

math
franklin school has 3 boys for every four girls in the fifth grade. there are 140 students in the fifth grade. a.how many are boys? b.how many are girls?
Monday, December 6, 2010 at 7:24pm

7th grade
is y=x/7 a direct variation????
Monday, December 6, 2010 at 7:06pm

6th grade
what is 30 1/4-29 1/3
Monday, December 6, 2010 at 4:26pm

10th grade
if AB=3x-2 and BC=x+6, what is x?
Sunday, December 5, 2010 at 5:20pm

6th grade
what is the metalloids of shininess
Saturday, December 4, 2010 at 6:23pm

8 th grade math
2a+ab=c solve for a
Wednesday, December 1, 2010 at 10:24pm

5th grade math
6 1/8 - x = 1 7/8 ? would it be 4 1/8 = x
Tuesday, November 30, 2010 at 11:40pm

Science (6th grade, but actual 7th grade paper)
We are learning about potential and kinetic energy. There are two ramps. One is short and the other is long. The long one is labeled A, and the short one is labeled B. On which one would a marble go the farthest after touching the ground?
Tuesday, November 30, 2010 at 6:37pm

Ashford SAP for FINANCIAL AID
I have read in the handbook about SAP.I pass 2 of 3 courses but my GPA IS 2.0 AS REQUIRED.My grade A- C+ and F which is 62.24%,since when has a grade of 62 is a F???? I know it is a D.If I am mistaken about what in the handbook for SAP so be it,but I am going to withdraw ...
Tuesday, November 30, 2010 at 2:44am

8th grade math
Julianne plans to take advantage of the after Thanksgiving sale to purchase the portable DVD player she wants. She finds it on sale at two different stores at the local mall. J-Mart advertises the DVD player for $48.00, while Better Buy has the same model on sale for 20% off ...
Monday, November 29, 2010 at 10:41pm

5th grade
what is 9 /24794
Monday, November 29, 2010 at 4:42pm

statistics
In one history class, 34 students took an exam. The mean of the exam was 52 with a standard deviation of 13. If the instructor is going to assume data are normally distributed and assign grades on a curve, then she will assign an A to the top 10% of the class, B's to the ...
Monday, November 29, 2010 at 12:35pm

5th grade math
What fraction is 2/3 of 3/4 ? and 12-m = 5 2/3 ? Thank you for your help.
Sunday, November 28, 2010 at 8:28pm

5th grade
whats the gcf of 16 and 42 why
Sunday, November 28, 2010 at 7:51pm

math
did you know when you try to find the least commen multiple of 3 numbers you have to divide by two after you get your answer my class (ms.lott in texas) told us that for some reason its doubling the number so always divide by two once you have crossed out the commen numbers ...
Sunday, November 28, 2010 at 6:56pm

7th grade math
30 = 12d
Friday, November 26, 2010 at 2:22pm

6th grade
What is 5/8 of 1/50?
Monday, November 22, 2010 at 8:45pm

Computer Programing & Logic Design
Submit pseudocode and a flowchart for the following programming exercise: Test Average and Grade Write a program that asks the user to enter five test scores. The program should display a letter grade for each score and the average test score. Design the following functions ...
Saturday, November 20, 2010 at 9:35am

5th grade (thomas)
6 - m = 2 and 3/10
Wednesday, November 17, 2010 at 9:42pm

5th grade
6-m=2 3/10 would that be m=3 7/10 thank you.
Wednesday, November 17, 2010 at 9:33pm

5th grade
what number is 3/8 of 6?
Wednesday, November 17, 2010 at 9:21pm

algebra
Mixture Problems Template – Price Problems Copy the problem from the lesson: 1. A store manager wishes to reduce the price on her fresh ground coffee by mixing two grades. If she has 50 pounds of coffee which sells for $10 per pound, how much coffee worth $6 per pound ...
Wednesday, November 17, 2010 at 4:12pm

12th grade
what is genetic engineering?
Wednesday, November 17, 2010 at 5:59am

11th grade
Solve for x:9x^2-49=0
Tuesday, November 16, 2010 at 9:29pm

4th grade algebra
What is 16 - 10 - 2 - 3 = ? What is 8 - 2 - 2 - 2 = ? What is 10 - 3 - 3 - 4 = ? What is 8 - 5 - 5 - 5 = ? What is 7 - 7 - 7 - 7 = ? What is 12 - 15 - 10 - 8 = ? What is 3 - 7 - 4 - 2 = ? What is 9 - 3 - 6 - 5 = ? What is 11 - 9 - 6 - 6 = ? What is 6 - 5 - 4 - 3 = ? What is 13...
Tuesday, November 16, 2010 at 1:22pm

Math
About 3/4 of the track team are girls. About 3/4 of these girls are in 8 th grade. What fraction of th e students are grade 8 girls? 1/3?
Sunday, November 14, 2010 at 9:08pm

9th grade
1+9a-8=8a
Sunday, November 14, 2010 at 8:34pm

9th grade
What is a parent function?
Friday, November 12, 2010 at 2:40pm

4th grade algebra
what is 7-7-7-7-7 eguals?
Friday, November 12, 2010 at 11:03am

5th grade
what is 1/5 of 10
Thursday, November 11, 2010 at 9:14pm

Sixth grade math
Simplify 49/7*7+6-3
Tuesday, November 9, 2010 at 10:54am

8th Grade Math
*I NEED THESE IN ALGEBRAIC EXPRESSIONS! 1.) The larger of two numbers is 1 less than 3 times the smaller. Their sum is 63. Find the numbers. 2.) Find two numbers whose sum is 92, if the first is 4 more than 7 times the second. 3.) The sum of two numbers is 172. The first is 8 ...
Monday, November 8, 2010 at 7:03pm

12th grade
if cos Q=5/9, find 5/9
Monday, November 8, 2010 at 4:29pm

7th grade math
1/15 in percent
Monday, November 8, 2010 at 2:11pm

Anniversary
Hello Jiskha! Today is November the 8th and this is my 1-year anniversary on this website. I'd like to thank all the tutors who have helped me since November 2009 and I look forward to more assistance in the future! Sincerely, AL 92
Monday, November 8, 2010 at 7:23am

grade 1 math
wat iz 15-7?
Friday, November 5, 2010 at 11:33pm

math
in an arithmetic progression the 50th term is equal to 3, and the sum of the first 8th is equal to 23. find the first term and the common difference
Friday, November 5, 2010 at 1:43pm

math
in a Geometric progression the sum of the first and the second terms is 90 and the sum of the second and the fourth terms is equal to 30.find the sum of the first 8th term in the progression
Friday, November 5, 2010 at 1:17pm

6th grade
What does 22x11= Thanks for your help!
Wednesday, November 3, 2010 at 9:43am

5th grade
which of the fractions are bigger 5/16 or 1/2 or 1/4 or 7/16
Tuesday, November 2, 2010 at 10:15pm

7th grade
4n+8=9n-7
Tuesday, November 2, 2010 at 12:36am

11th grade
x+y>1
Sunday, October 31, 2010 at 4:05pm

10th grade
BC=3x+2 and CD= 5x-10. Solve for x.
Saturday, October 30, 2010 at 5:51pm

5th grade
What do enzymes do in digestion?
Friday, October 29, 2010 at 5:42am

6th grade math
How many 1/6s are in 1? How many 1/6s are in 1/2 ?
Wednesday, October 27, 2010 at 11:26pm

6th grade
Can you simplify 9 over 16?
Tuesday, October 26, 2010 at 5:28pm

grade 9 algebra
8x-5y-x=9-y
Sunday, October 24, 2010 at 9:54pm

English
I need to identify the gerund or gerund phrase and identify it as a subject, a predicate noun, a direct object, or an object of a preposition. Or identify the sentence as one with no gerund. I need help with the following sentences. 1. It was time for sleeping. 2. But tossing ...
Sunday, October 24, 2010 at 6:50pm

math
A math teacher calculates grades as follows:Grade=[2 test averages+quiz average/3] After 3 tests and 2 quizzes your test average is 83 and your quiz average is 89. You took your fourth test today and noticed that your overall average grade has dropped to an 83. What was your ...
Sunday, October 24, 2010 at 4:29pm

6th grade
what hatchet
Thursday, October 21, 2010 at 7:16pm

5th grade
how many inches are in 15 yards?
Wednesday, October 20, 2010 at 8:53pm

5th grade
how many inches are in 15 yards?
Wednesday, October 20, 2010 at 8:53pm

6th grade
what is 3/10 divided by 13/14
Wednesday, October 20, 2010 at 6:56pm

4th grade
what is a perpidicular ray?
Tuesday, October 19, 2010 at 8:08pm

12th grade
the constitution and the changes
Monday, October 18, 2010 at 12:35am

Math 7th grade
6 11/12 - 4 5/12
Sunday, October 17, 2010 at 9:09pm

Math 7th grade
12 - 5 3/10
Sunday, October 17, 2010 at 9:08pm

7th grade
what is 14 1/2 - 7 1/5?
Sunday, October 17, 2010 at 9:01pm

6th grade
What are the d themes of geography ,
Sunday, October 17, 2010 at 1:02pm

probabilityv
A school's administrators are concerned about absenteeism at their school and the e ect it has on students' grades. The following data were compiled, based on a sample of students. Student's Absent Medium Absent Grade Infrequently Absent Frequently Low 1 9 8 ...
Saturday, October 16, 2010 at 2:17am

5th grade
What do you think 24*3.7 is ???
Thursday, October 14, 2010 at 3:58pm

9th grade
what is the answer for 11x-21=17-8x
Wednesday, October 13, 2010 at 8:56pm

Fourth grade math
what is the of 7n when n is 7565?
Wednesday, October 13, 2010 at 7:25pm

7th grade
where do you add parenteses to get 6+6/6+6*6=6
Wednesday, October 13, 2010 at 4:22pm

5th grade
what is the lcm of 15,25
Tuesday, October 12, 2010 at 8:20pm

6th grade
what is the simplest form of 8/15
Tuesday, October 12, 2010 at 8:08pm

9th grade
This is Geometry homework 7x+2y=10
Tuesday, October 12, 2010 at 6:10pm

7th grade
What is "h" in 5h+15-3h=32
Thursday, October 7, 2010 at 9:14pm

12th grade
deductive reasoning
Wednesday, October 6, 2010 at 5:06pm

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