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March 2, 2015

Homework Help: 1st Grade

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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

Physics
A 1000kg car accelerates from 3m/s East to 24m/s East at a rate of 3m/s. If the force of friction is 500N West; how much ower must the car exert? If heat and mechanical losses make the car only 60% efficient, what total power must be exerted to accomplish the acceleration in ...
Tuesday, February 8, 2011 at 11:57am

english
there is some unknown poet called M.T. Buckley whom seems to be known only to the the English teachers and himself. Wrote a poem called "Birthday" and some others like "Poem of Poems" that didn't make it into the whose who of Poets. Does anyone know ...
Monday, February 7, 2011 at 8:17pm

Math
I need help with these three math question. 1st question. What is the additive inverse of 5 on the 12-hour clock? 2nd question. What is the equivalent number on the 12-hour clock. -22 the choices for this question is, 5 or 2 or 3 or 1. 3rd question. I need to find the additive...
Saturday, February 5, 2011 at 9:10pm

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

math
The third and seventh terms of an arithmetic sequence are 10 and 20. 1) What is the value of the 1st term? 2) What is the value of the 9th term? 3) What is the equation to find the nth term in the sequence? HELP!! PLEASE!!
Wednesday, February 2, 2011 at 3:52pm

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

Statistics -Please help :/
I'm having a problem with the entire Chi-square thing.. I do have answers to these but I'm not sure how to work them out.. If you could help that would be great! :) 1st part: A,B,C are schools. Is the choice of math programs followed independently by school? Write the ...
Friday, January 28, 2011 at 2:41am

statistics
I'm having a problem with the entire Chi-square thing.. I do have answers to these but I'm not sure how to work them out.. If you could help that would be great! :) 1st part: A,B,C are schools. Is the choice of math programs followed independently by school? Write the ...
Friday, January 28, 2011 at 2:19am

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

advance algebra
find three numbers such that the second is 6 less than 3 times the first , and the third is 2 more than 2/3 of the 2nd.The sum of the three numbers is 172. use x=1st number y=second number z= 3rd number please help...thanks a lot!!
Wednesday, January 19, 2011 at 5:56am

Credit Cards
the credit card company will: -charge interest on remaining bill -send u another bill -ur credit card will be cancelled -add montly fee If u dont pay ur entire balance each month. I chose 1st one, is it correct?
Tuesday, January 18, 2011 at 8:44pm

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

Math
the sum of the 4th term and the 5th term is 12.if the 4th term of the progression is 8, find the common ratio and the 1st term of the progression.
Saturday, January 15, 2011 at 6:45am

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

Physcial Science
How can I apply Newton's First and Second Law to walking? I'm thinking the 1st, is the muscles would apply an unblanced force to make us move? Second-if we're walking and the mass of our body is 130 lbs and we're accelerating at 4 miles per hour, then the force...
Wednesday, January 5, 2011 at 3:08pm

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

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

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

physicss
The question states: A 5.2 kg box is on a frictionless 36 degree slope and is connected via a massless string over a massless, frictionless pulley to a hanging 2.1 kg weight. What is the tension in the string if the 5.2 kg box is held in place, so that it cannot move? I summed...
Thursday, December 9, 2010 at 10:36pm

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

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

math urgent
2 rainstorms occurred in one week in a certain area in the first storm, 15ml of rain fell per hour, and in the second storm, 20ml of rain fell per hour. rain lasted for a total of 40 hours, resulting in a total rain of 675ml. how long was each storm. 1st storm = hours 2nd ...
Monday, November 29, 2010 at 11:16pm

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

accounting I
For the following entry, should I journalize that entry on the purchased date or on Oct. 1st? Sept 29, 2009 Purchased a one-year public liability insurance policy for $5,000. The policy becomes effective at 12:01 a.m. October 1, 2009.
Sunday, November 21, 2010 at 5:02pm

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

8th grade
(18 - (-4))divide (-11) (-4) + 2
Tuesday, November 16, 2010 at 5:26pm

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

world issues- amazon deforestation
Hi. I was assigned an essay that I have to get done by 2morrow. It is about Amazon rainforest deforestation. I have to sum everything up into 3 paragraphs. 1st paragraph- tell what's happening here; I already did this. 2nd & 3rd paragraphs- describe how you would stop ...
Tuesday, November 16, 2010 at 11:47am

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

english
I am writing an oppossing view essay. For this part of the essay we are not supposed to take a stance. The teacher has broken the assignment into 2 parts. The 1st part is actually just to help us learn how to write our final essay. I have pulled alot of research together, just...
Sunday, November 14, 2010 at 11:17am

8th grade math
7z - z
Saturday, November 13, 2010 at 5:44pm

8th grade math
what is 35% 440
Saturday, November 13, 2010 at 5:22pm

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

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

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

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

8th grade
98x^2-32y^2
Tuesday, November 2, 2010 at 11:10pm

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

Accounnting
Vannoy Corporation will invest $25,000 every January 1st for the six years (2010-2015). If Wagner will earn 12% on the investment, what amount will be in the investment on December 31, 2015? A) $102,785 B)$115,120 C) $202,880 D) $227,225
Tuesday, October 26, 2010 at 9:14am

Chem Class
The rate constant of a first-order process that has a half-life of 225 s is ?????? s-1. ok so i divided half life of 1st order= 0.693/K k i put 225 and i got 3.08 x 10^-3 is that right?
Monday, October 25, 2010 at 12:43pm

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

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

AED 201
I am looking for information on the use of technology in school. I need the 1st and 2nd event from 1980, 1990 and 2000. Ive been searching since yesterday. I do not want the answers, just pointed in the right direction. I guess im not searching right or something Thank you.
Saturday, October 23, 2010 at 10:35am

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

8th grade
78=3c+12-c+4 solve
Thursday, October 21, 2010 at 6:03pm

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

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