Math grd12

4,618 results, page 34
  1. Math

    Mrs. Marcincavage allowed each student in her math class to drop the lowest of their five test scores. When Matthew dropped the lowest of his test scores, a 60, his test average increased by 5 points. What is Matthew’s new test average?

    asked by Elizabeth on March 3, 2014
  2. math

    Mrs. Marcincavage allowed each student in her math class to drop the lowest of their five test scores. When Matthew dropped the lowest of his test scores, a 60, his test average increased by 5 points. What is Matthew’s new test average?

    asked by Katie on March 4, 2014
  3. math

    Could someone please show me what I did worng in my math questions? any help will be greatly appreciated! I put my teachers response under the questions 4. Solve: 5|2x + 1 | = 55 Divide both side by 5: |2x+1|=11 2x+1=11 and 2x+1= -1 +1 +1 +1 +1 2x = 12 2x

    asked by Abby on October 12, 2015
  4. math

    Yanira is 3 years older than Tim and twice as old as Hannah. Tim is 2 years older than Hannah. How old are Yanira Tim and Hannah? Explain how you did the problem and the answer. math 7 accelerated - tom, Tuesday, September 24, 2013 at 6:46pm Ms. Sue thanks

    asked by tom on September 24, 2013
  5. math

    Please solve this word problem, It will take at least 360 points for Kiko"s team to win the math contest. The scores are 94,82, and 87, but one of Kiko's teammates lost 2 of those points for an incomplete answer. How many points must Kiko earn for her team

    asked by Ann on October 11, 2012
  6. Math-college

    Explanation of why the following statement is incorrect. (x + 3)(x -4) < 7, and explain why it is incorrect. To solve (x + 3)(x -4) < 7, start by setting (x + 3) = 7 and (x - 4) = 7. Now solve the inequality. Provide a detailed explanation of why using

    asked by Mike on July 24, 2017
  7. 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

    asked by katherine on March 14, 2011
  8. Social Studies

    Okay! I don't know the correct terminology for what I call MINI-LAWS. MINI-LAWS are laws added on to one big law. Example: Math has to make up 1/3rd of all lessons taught. MINI-LAWS would include...grades 3-12, college exempt. So can you tell me what the

    asked by Minerva on July 22, 2008
  9. math

    An advertisement states that eight thermometers cost $12.42 minus a 3% discount. Dr. wants to order a dozen to take advantage of the savings, sales tax is 5%. What would the cost be? Is my math right? I divided 8 by $12.42 and got $1.55 p/thermometer.

    asked by debbie on April 28, 2010
  10. statistic

    There are 120 student in class in which 20 of them are girls and rest boys.if the average marks in math of boys is 65% and that of girls is 80%. find the average marks of the class

    asked by Anonymous on September 6, 2018
  11. math

    There are 120 student in class in which 20 of them are girls and rest boys.if the average marks in math of boys is 65% and that of girls is 80%. find the average marks of the class

    asked by math on September 6, 2018
  12. st joan of arc

    Math from a spot 60 ft from the base of a building the angle of elevation is 48 degrees and the of elevation of the top of the antenna is 56 degrees. What is the height of the building? What is the height of the antenna?

    asked by sarah on July 10, 2015
  13. Math

    For math we have to do a percent booklet. First we had to change 66% to a decimal which is 0.66. Then change it to a fraction. whish is 66/100. Then simplify it ( 33/50 ) Finally I need two drawings of examples of 66%. I have been trying to think of them

    asked by Jasmine on January 5, 2007
  14. Math209

    I am in a college level math class and we have a question that I am suppose to answer however I looked for this in our text and online and I am not finding a direct answer to it. Here is my question, What is the meaning of the word "parameters"? Please

    asked by Trish on March 26, 2009
  15. math

    If 8 people went to a party and each person shook hands at least one time. how many total hand shakes would there be? Think about how many people the first person would shake hands with, how many people the second person would shake hands with, and so

    asked by Graciela Ayala on October 28, 2006
  16. algebra

    In a math competition, contestants receive 8+ points for every correct answer and -5 for every incorrect answer. Boris has 23 correct answers and 5 incorrect answers; bridget has 32 correct answers and 19 incorrect. Who has the higher score?

    asked by anonymus on June 2, 2014
  17. math

    Your math test has 38 questions and is worth 200. points. The test consist of multiple choice questions worth 4 points each and open ended questions worth 20 points each. How many of each type of question are there?

    asked by Kim on February 2, 2016
  18. math

    can you please check my work. The time in minutes that it took five students to complete the math test was 45, 27, 30, 25, and 48. What is the mean absolute deviation of the times? I did 25+27+30+45+48= 175 then I divided it by the 5 students. 175/5= 35 so

    asked by sara on April 3, 2016
  19. math

    need help with math word problems. just don't understand. What is the number? you have a four digit number where the thousands digit is four greater than the hundreds digit.The tens digit is twice the thousands digit. The ones digit is half of the

    asked by vince on March 9, 2007
  20. math

    A researchr assistant made 160mg of a radioactive, and found that there was only 20mg left after 45hours. a) What is the half-life of this substance? b) Write a function to represent the amount of substance left after x hours c) If the researcher kew he

    asked by Kristen on June 23, 2013
  21. Mathematical methods

    Following completion of your weekly readings, complete the exercises in the “Projects” section on page 397 of Mathematics in Our World. You should be concise in your reasoning. For Project #1, work only equations (a) and (c), but complete all 6 steps

    asked by Debbie on December 13, 2011
  22. Calculus!!!

    I need your help... I've posted this question a while ago but no one has answered it yet. Please please help me. Which of the following series can be used to compute ln(.8)? a) ln(x-1) expanded about x=0 b) lnx about x=0 c) ln x in powers of (x-1) d)

    asked by Joan on March 20, 2007
  23. English

    1. Math is complex but useful. 2. Music is not only easy but also interesting. 3. Social studies is informative as well as interesting. 4. Music is not boring but exciting. 5. Technical arts is not only useful but also informative. 6. Chinese characters is

    asked by rfvv on March 21, 2016
  24. Math ?

    I started a new math class today and I'm stuck on a problem from my worksheet. I need help with these questions. If the measure of an exterior angle drawn at vertex M of triangle LMN is x, then mangleL + mangleN is what? What is the area of a circle with

    asked by Rebecca on August 21, 2006
  25. Math

    The combined math and verbal scores for students taking a national standardized examination for college admission, is normally distributed with a mean of 620 and a standard deviation of 220. If a college requires a student to be in the top 10 % of students

    asked by Ashley on February 10, 2014
  26. Math

    Hi. I found this question on a Math Counts practice test and it seriously confused me. I've never learned about this, and it would help if someone helped me. Thanks in advance. How many elements are in the intersection of the set of all the prime numbers

    asked by Sahana on November 26, 2010
  27. Math: Mean, Median, Mode, Range & Finding the devi

    What is deviation? And what is the definition of frequency distribution & how would I solve a problem in 8th grade math with this problem...My child is asking about this problem she has in an 8th grade book. Given the following numbers

    asked by Aayla on August 21, 2015
  28. geometry

    In a triangle ABC, angle B is 3 times angle A and angle C is 8 degrees less than 6 times angle A. The the size of the angles. Size of angle A is = Size of angle B is = Size of angle C is = can someone please help me with this..? I am very weak at

    asked by Anonymous on September 26, 2009
  29. Pre Algebra HELP

    I don't know exactly what you mean by typing like this 2y3(4x-3y). I assume that means 2y cubed (2y^3) or 2y3 times (4x-2y) That becomes 8xy3 -6y4 Expand all the parenthesis, then gather like terms, and add them. See

    asked by bobpursley on April 26, 2007
  30. STATISTIC HELP

    1.M&M candies are great for probability. The following tables are the color distributions for the candies. Fill in each table with the missing probability and answer the questions that follow. Plain Brown Blue Green Orange Red Yellow Probability 0.3 0.1

    asked by bowershe on March 12, 2014
  31. math - 5th grade

    Hello: I am having difficulty witht the following math: Question #1 If the area of a circle is 27 sq. in. What is the radius? I am coming up with an answer of 13.5 sq. in. Is that correct? If not, can you show me step by step how to get the answer?

    asked by Sylvie on February 20, 2010
  32. math

    find the percent increase in the population between 1950-2000. 965,000,000 in 1950 2251,000,000 in 2000 I tink it is 2251 / 965 = 2.33 = 233% Is ths right or did I do my math wrong

    asked by Kyle on April 15, 2010
  33. To:Writeacher

    Thanks for your help! I have questions of subject math. What is 100 divided by 50? So 100 is the dividend and 50 is the divisor And answer is 50 Am I correct? What do you call the answer of the division problem? Your answer of 50 is correct. The answer in

    asked by Kaveri on January 22, 2007
  34. Essay

    Would this essay be good? Anything I should add? I still need like 200 more words.. Intro; Hello, I am 12 years old and my name is Navpreet Chauhan. I have been going to Hamilton Southeastern schools for about 7 years. I love helping others out.

    asked by Navpreet on February 20, 2014
  35. MATH!!

    ~Determine whether each sequence is arithmetic or geometric fund the next three terms~ *Doing a math unit test and stuck on these five* 1.14,19,24,29.... 2.-2,8,-16,32... 3.81,27,9,3... 4.What are the first four terms of an arithmetric sequence if the

    asked by Makayla&lt;3 on January 27, 2015
  36. math

    still can't solve .32x + .20y = 3.92 it's my last math question for the day!!!! What do you mean solve it? suppose you bought some 32 cents stamps and some 20 cents stamps. you spent $3.92 for 16 stamps. how many of each stamp did you buy? i got the

    asked by betty on February 2, 2007
  37. stats

    Katie must take five exams in a math class. If her scores on the first four exams are 77, 79, 95, and 93, what score must Katie get on the fifth exam for her overall mean to be at least 80? The maximum score on an exam is 100 points. If it is not possible

    asked by alicia on October 3, 2015
  38. Algebra

    Need help plz. Don't really get this "reversing the digits" What is this really called in math language? Prob:Find the product of 32 and 46. Now reverse the digits and find the product of 23 an 64. The products are the same. Does this happen with any pair

    asked by Katti on July 7, 2010
  39. MATH 115

    I have math questions I need to check my answers can you please help me 1. 4x4x4x4x4 as a power of 4 answer 4 to the fifth power 2.a bedroom is 10 ft by 11 ft what is the perimeter? answer 42 ft evaluate 72/8-9/3=6 3.Jamal is fencing a rectangular field

    asked by P on September 5, 2009
  40. Math

    I am a four digit number, I am between 2,000 and 3,000 the digit in the ones place is four times as much as the digit in the thousands place. Only one of the digits are the same. The digit in the tens place is one more than the digit in the hundreds place.

    asked by Anonymous on August 17, 2015
  41. essay

    As a immigrant, I know that I have less chance to get into the University of California than other people. But I never give up the thought of getting into UC. As I mentioned before, I have taken as many college prep classes I could to meet the UC's

    asked by JJ on December 1, 2006
  42. Math

    For the equation y = -6x, what is the slope and y intercept? The formula is y = mx + B. I know that m = the slope and B = the y intercept. So in the equation y = -6x, what is the slope and y intercept? Is -6 the y intercept or the slope? Because if it's

    asked by Melanie on January 26, 2011
  43. Math

    For the equation y = -6x, what is the slope and y intercept? The formula is y = mx + B. I know that m = the slope and B = the y intercept. So in the equation y = -6x, what is the slope and y intercept? Is -6 the y intercept or the slope? Because if it's

    asked by Melanie on January 26, 2011
  44. Math vocab

    What does distance/time/rate of speed mean?? Its all one word AND IM SOO CONFUSED! Movement? I am confused also. Rate of speed is not a common term. Speed is rate of motion , or rate of change of distance per time. i need help on my math vocab what is a

    asked by Alexis on October 5, 2006
  45. Math

    I need help on this math problem. The width of a certain painting is 5cm less than twice the length. The length of the diagonal distance across the painting is 107cm. Find the length and width. Round your answer to 2 decimal places. Can you check is my

    asked by HelpPlease on January 12, 2012
  46. Math equation

    The Congress of the United States signed the Declaration of Independence in 1776. Find the difference in years between the year that the Congress signed this document and the year that you were born. I was born 2003. Is this right? y - 1776 = 2003 or 2003

    asked by Sam on November 12, 2012
  47. Chemistry

    Explain in terms of forces between structural units why H2O2 has a higher melting point than C3H8. Also, which of the following has a lower melting point? NH3 or AsH3 C3H7OH or C2H5OCH3 I know that this has to do with hydrogen bonding. Can you possibly

    asked by Jillian on December 9, 2009
  48. math 118

    On a math test a student where the mean is 50 and the standard deviation is 12, a student has a z-score of 0.83. What did the student score on the test?

    asked by Stacey on April 8, 2013
  49. Math

    I have a math sheet for homework and most questions are similar to the following: Bob is making treat bags for his daughter's birthday party. he decided to use the recipe below for each bag. 1/3 cup peanuts 3/4 cup pretzels 1/5 cup raisins 2/3 cup popcorn

    asked by Bryan on October 15, 2008
  50. MATH - circles, circles, circles

    Happy Friday Math Gang; I can't seem to wrap my head around this one... If two circles have at most 2 places of intersections, 3 circles have at most 6 places of intersection, and so on... How many places of intersection do 100 circles have? Well... I

    asked by MsPi_3.14159265 on July 13, 2018
  51. Chemistry

    A sample of Oxygen has occupies 1.00x10^6mL at 575mm Hg is subjected to a pressure of 1.25atm. What will the final volume of the sample be if the temperature is held constant v2=(p1)(p2)/p2 I'll have to convert 1.25atm to mm first 1.25atm*760mm/1.0atm =

    asked by Chopsticks on March 19, 2009
  52. math

    What is the mean of the scores for Bob? _____ Team | Bowling Scores Member | Game 1 | Game 2 | Game 3 Bob | 92 | 118 | 105 Craig | 127 | 101 | 96 Kim | 131 | 128 | 122 Nancy | 127 | 109 | 115 Phillip| 113 | 109 | 122 what is mean in math again?

    asked by Cheril on April 9, 2012
  53. Math

    Explain a real-world problem that you used math to solve. What mathematical expressions did you use in your problem solving? Define your variables and explain your expression. My real-world situation would be making a cake and converting the cups into oz.

    asked by Stacy on April 20, 2014
  54. math,help

    can someone help me with this i am lost now i've been doing math for the past 8 hrs. Problem # 1 solve: 4(x-10)-3x=x-40 Problem # 2 solve for t: a = p + prt Problem#3 translate to an algebraic equation 7 less than the quotient of a number and 3 is twice

    asked by jasort20 on March 18, 2007
  55. Math

    Groups in math class have 4 green marbles, 6 yellow marbles, and 10 black marbles. Each group pulls out a marble, records it, and then replaces it 50 times. The class complies its data. how many times can you expect to pull out a green marble with 1000

    asked by johnny on November 7, 2014
  56. math

    Lois got 27 problems right on a math test. If this is 90% of the test, how many problems were on the test?

    asked by Jason on May 23, 2012
  57. English

    Find the student who looks sad. Find a student who looks sad. (Which one is correct and common?) How does Junsu look? He looks sad. Do you know why? Yes, I do. He got 100 points in English. He got 60 points in math. He got the best points in

    asked by John on March 23, 2009
  58. Math

    In a golf math Jesse scored 5 over par Neil scored 3 under par, Felipo scored 2 over par and Dawson scored an even par. Order the players from least to greatest score I don't know how to answer this one because I don't know what par is in golf? Is it a

    asked by Jerald on April 30, 2013
  59. Algebra

    What is the answer? I came up with C. is this correct? Thanks for the help in advance! f(x)=root sign, and inside that x-2 and g(x)x-7. Which of the following is the domain of the quotient function f/g? A. (-infinity,2] B. (-infinity,7) U (7,infinity) C.

    asked by Laurie on June 20, 2009
  60. @ Angie - math

    Angie, I've reposted your question. You've posted this several times on other people's questions. That's called piggy-backing here and we delete posts that interfere with others' questions. Name: Angie Subject: math Message: Chad climbs a 57-foot tower to

    asked by Ms. Sue on August 9, 2017
  61. Geometry

    I HAVE A QUESTION. When I post a question and there is now response to it does it means that my answer to my questions are correct? I post two questions yeaterday and received no response .Today I post the same two questions and still got no response. They

    asked by DANIELLE on June 14, 2007
  62. Stoichiometry

    I am taking an online chemistry class and I do not at all understand how on earth how to do stoichiometry. I just don't get it, its not that I don't know how to do the math, but figuring out how to ger the information. PLEASE HELP!! When 11.7 grams of iron

    asked by Kesiah on July 10, 2008
  63. statistics

    In a recent study on gender differences in education, a sample of 7 boys had a mean score of 18.5 and a standard deviation of 4.1 on a Standardized Math Test. A sample of 11 girls had a mean score of 19.9 and a standard deviation of 3.6 on the same test.

    asked by Alex on March 24, 2013
  64. Math

    A math teacher wishes to use groups of 5 and/or 7 students for a class assignment. When she tries to make assignments she notices that it cannot be done with the number of students in her class. However, if the number of students were any larger, the

    asked by Danielle on January 30, 2015
  65. Math

    Of the coins in Tricia's bank, 5/7 are quarters. If Tricia has 95 quarters in her bank, how many coins does she have in all. Is this correct? 5/7*x = 95 (7/5)(5/7)*x = 95 x= 95*7/5 95x7 = 665 665/5=133 x=133 Thanks from a Grandma helping w/4th grade math

    asked by Robin on January 28, 2015
  66. Math

    You have a Spanish club meeting every fourth day and a math club meeting every tenth day. When is the first time they will meet on the same day? My Answer: 4 + 10=14 they would meet on the 14th day Would that be the correct answer? I am confused.

    asked by Matt-Please Help on September 21, 2016
  67. Algebra

    Tom took five math tests and got an integer score on each of them. He never scored higher than 90, and his lowest score was the fourth test. If his average score, rounded to the nearest integer, was 82, what is the lowest possible score he could have

    asked by Mr. Alexander on July 18, 2015
  68. Algebra

    Tom took five math tests and got an integer score on each of them. He never scored higher than 90, and his lowest score was the fourth test. If his average score, rounded to the nearest integer, was 82, what is the lowest possible score he could have

    asked by XXX on June 26, 2015
  69. Math

    A math teacher wishes to use groups of 5 and/or 7 students for a class assignment. When she tries to make assignments she notices that it cannot be done with the number of students in her class. However, if the number of students were any larger, the

    asked by David on January 30, 2014
  70. Hardwork I done already! :)

    7th Grade 7th grade Grades (1st quarter to 4th quarter): English 7 - 99 Math 7 - 91 Social Studies 7R - 91 Science 7R – 80 Fine Art 7 (advance art) – 100 Strings 7 – 100 Gym 7 and 8 – A GPA: 1st Quarter – 93.50 2nd Quarter – 3rd Quarter – 4th

    asked by Laruen on December 31, 2011
  71. Somebody answer

    answer questions Ask a question. I have been working on the question for at least an hour. The question is: I have to spend 100 dollers and by 100 brains. Cow brains 5.00 Pigs 2.00 sheep 0.10 I have to buy one of each. I am very confused. Are teacher gave

    asked by dfsfd on April 1, 2007
  72. Math

    10. Nathan got a 30% discount when he bought a new shirt. Tyler purchased the same shirt but received a 70% discount. Which of the following is equivalent to the difference between their percents of discount? A. 2.50 B. .7 C. 2/5 D. 1/4 C 12. 3/8 of the

    asked by Jerald on September 16, 2013
  73. algebra

    Find the two consecutive odd integers such that 5 times the first integer is 12 more than 3 times the second. can some explain to me how to get this i was thinking the formula would be ' 5x+12=3x No, that's not it. The second integer is x+2, since it is

    asked by laura on March 30, 2007
  74. Calculus

    Find the length of the entire perimeter of the region inside r=5sin(theta) but outside r=1. 1=5sin(theta) theta=arcsin(1/5) r'=5cos(theta) I tried the integral between arcsin(1/5) and pi-arcsin(1/5) of (((5sin(theta))^2+(5cos(theta))^2))^1/2 which gives me

    asked by Joe on February 19, 2016
  75. Math

    Please help with this math word problem: Jamal has a 5X7 picture that he took on his summer vaction and he wants to use a photo copier to enlarge it to an 8X10 picture. To enlarge Jamal has to specify a percent between 50% and 200% on the copier. Explain 2

    asked by Please Please Help on August 29, 2012
  76. Math Word Problem

    Please help with this math word problem: Jamal has a 5X7 picture that he took on his summer vaction and he wants to use a photo copier to enlarge it to an 8X10 picture. To enlarge Jamal has to specify a percent between 50% and 200% on the copier. Explain 2

    asked by Please Please Help on August 28, 2012
  77. math

    Hello tutors by any chance is there anyone who can assit me with theprevious problems that i posted..dealing with math subject Here is a website explaining how to invert a 3x3 matrix. http://www.everything2.com/index.pl?node_id=1271704 Many steps are

    asked by student on July 22, 2007
  78. chemistry

    Oops I left a part of the question out: 2. Mercury poisoning is a debilitating disease that is often fatal. In the human body, mercury reacts with essential enzymes, leading to irreversible inactivity of these enzymes. If the amount of mercury in a

    asked by Brooke on September 24, 2014
  79. MATH

    1 My Math problem Intergers 2-(-2) = -4 iS -4 CORRECT 2.Between noon and 3pm, temp dropped 9 degrees (f). It increased 4 degrees (f) between 39m & 5pm and dropped 15 degrees(F) between 5om and midnight.If the temperature was -2 degrees (f) at midnight,

    asked by AMERICAL on May 27, 2013
  80. Algebra

    Word Problem: Jack mows the lawn in 4 hours, mary mows the lawn in 5 hours. how long will it take them if they mowed the lawn together? I have a hard time figuring out which formula to use to solve a problem in a word problem can anyone help and tell me

    asked by Laura on October 18, 2008
  81. math

    I'm having problem understanding this answer. Product A is a 12-ounce bottle of generic popcorn oil that sells for $1.39, Product B is a 24-ounce popcorn oil bottle that costs $2.79, which is the better buy? Is this math problem right or no, 12/1.39=8.633

    asked by cora evans on January 1, 2014
  82. Re: Physics/Math

    A can of sardines is made to move along an x axis from x1 = 0.2 m to x2 = 1.2 m by a force given by F = iF0exp(-0.4x), with x in meters and F0 = 4.5 N. (Here exp is the exponential function.) How much work is done on the can by the force? For Further

    asked by Technoboi11 on March 2, 2007
  83. Statistics

    I am doing a stats study and im stuck on what test to perform. Please look at my subject and advise me.. I am testing to see whether a person that is best in math and science will be able remember more numbers than letters and if a person that is better in

    asked by jason on March 21, 2011
  84. math, Jay

    How do these fractions turn into the following fractions. 1/3=10/30 1/5=6/30 1/10=3/30 There is a fundamental fact of math that says if you multiply anything by one , nothing changes. but 1 = 3/3 = 10/10 etc. So if you have a fraction, and multiply it be

    asked by Jasmine20 on December 7, 2006
  85. Math

    The current population of Summerfield is 16,359 people, which is 90% larger than when David moved there. What was the population of Summerfield back then? I need some help, there's this question on IXL (It's a website that has math problems for you to

    asked by Angie on August 4, 2017
  86. Math Essay

    I have to write this paper over the history of math, can you please give me some other websites that I can use? So far I have one website from wikipedia. Also, can you please read my introduction? As of today, there are plenty of new developments in the

    asked by Soly on November 10, 2007
  87. MATH

    I have math questions I need to check my answers can you please help me 1. 4x4x4x4x4 as a power of 4 answer 4 to the fifth power 2.a bedroom is 10 ft by 11 ft what is the perimeter? answer 42 ft evaluate 72/8-9/3=6 3.Jamal is fencing a rectangular field

    asked by summer on September 6, 2009
  88. Math

    A glass is filled with water and the total weight is 220g. If the glass is halffilled with water, the total weight is 120g. What is the net weight of the glass? There may be a logic way of doing it but the following is the longer "math" way. G = weight of

    asked by Anonymous on April 1, 2007
  89. Reposted - math - Ashley's other question

    http://www.jiskha.com/display.cgi?id=1169164297 Posted by Ashley on Thursday, January 18, 2007 at 6:51pm. px+qy=r 2px-qy=2r find the solution. For Further Reading math - bobpursley, Thursday, January 18, 2007 at 7:09pm There are five unknowns here: p, q,

    asked by Writeacher on January 19, 2007
  90. Math (Algebra)

    I am having a bit of trouble with the question stated below. I am home-schooled and learning math on your own has proven to be quite the difficult task. If someone could please explain how to do this as thoroughly as possible, I would greatly appreciate

    asked by Jessica on April 10, 2012
  91. Mathematics

    Maria answered all the problems on her math test. She answered 80 percent of the problems correctly. If she answered 6 problems incorrectly, how many problems were on the test?

    asked by Willie on July 19, 2012
  92. Chemistry

    three separate questions 1. An empty graduated cylinder weighs 82.450 g. When filled to 50.0 mL, with an unknown liquid it weighs 110.810 g. What is the density of the unknown liquid? 2. It is valuable to know that 1 milliliter (mL) equals 1 cubic

    asked by Lisa on February 12, 2014
  93. math

    I asked sue a question yesterday and don't understand the answer can you explain? Here what it was I think this question has a typo because none of the multiple choice answers fit. The question is which of the following values is in the solution set of

    asked by Es on December 28, 2012
  94. COLLEGE CALCULUS. HELP!

    i don't know how to start this problem. i don't like cos and sin. im so confuse. 1.f(x)=sin(sin(x)), find f'(x) 2.f(x)= 4sin^4x, find f'(x). this problem i couldn't find it in my math book. i never see it before. because of sin exponent 4 -->sin^4

    asked by stacy on February 29, 2012
  95. HELP MATH

    Thank you Reiny. I really appreciate the help but I am not really understanding the the exprssions well enough to explain the answer. Also at first I was thinking that the answer has nothing to do with actual money but only how much inventory or merchanise

    asked by To: Reiny on November 16, 2009
  96. Math

    Hi - I'm reposting this thread as there was some encoding issues in previous version that I clarified near bottom. Thanks. Hi - I'm having problems drawing a diagram for the following question. The part I find unclear is "they mark a point A, 120 m along

    asked by Dee on August 21, 2011
  97. math

    i need help! my last math question cant figure out! whats the rule for input 3 output 9 input 4 output 16 input blank output 25 input 6 output blank input 10 output 100, thank you been stuck for over 30 minutes!!!!

    asked by lillie on May 23, 2013
  98. English

    1. I studied math for 10 years, but I'm still not good at it. 2. I have studied for 10 years, but I'm still not good at it. (Which one is grammatical? Do we have to sue the present tense or the present perfect tense here?)

    asked by rfvv on July 12, 2014
  99. pHYSICS

    A BALL IS THROWN STRIAGHT UPWARD AND RETURMS TO THE THROWER'S HAND AFTER 3 SECONDS IN THE AIR. A SECOND BALL IS THROWN AT AN ANGLE OF 30 DEGREES WITH THE HORIZONTAL. AT WHAT SPEED MUST THE 2ND BALL BE THROWN SO THAT IT REACHES THE SAME HIEGHT AS THE ONE

    asked by Jill Hefner on November 1, 2006
  100. For &lt;b&gt;marie flore joseph&lt;/b&gt;

    Please do not add your new question as a response to somebody else's post. click on "Post a New Question" above to post your problem. Here is your question : Math - marie flore joseph, Monday, April 5, 2010 at 10:37pm the difference of the squares of two

    asked by Reiny on April 6, 2010

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