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Question 403441: Simplify 3[-16-(43-990]=________. I got an answer of 120, is this correct? Thank you!
Click here to see answer by jim_thompson5910(28595)

Question 403447: The equation y=-1777x+27,153 can be used to predict the number of "y" of gun deaths in the United States "x" years after 2000, that is, x=0 corresponds to 2000, x=2 corresponds to 2002, x=6 corresponds to 2006, and so on. Predict the number of gun deaths in 2006 and 2008. In what year will the number of gun deaths be 11,160?
My answer for 2006 is 16491 and for 2008 12,937 and my final answer of 2009 will be the year that it will be 11,160. Can anyone verify if I am right or wrong, if wrong provide the right answer. Thank you!
Click here to see answer by nerdybill(6959)

Question 403448: Just need verification - Find the slope and the y-intercept
f(x)=-3x-8
The slope is -3
The y-intercept is (0,-8)
Is this all correct? Thank you so much!
Click here to see answer by nerdybill(6959)

Question 404241: what is the median of 13, 24, 27, 28, 67, 89
Click here to see answer by Algebra2you(12)

Question 404261: Use the five steps for problem solving to answer the following question. Please show all of your work.
Linda would like to hire a clown to perform at her son’s birthday party. Clown City charges $100 for incidentals plus $30 per hour for hiring a clown to perform. Party Performers charges $120 for incidentals plus $25 per hour. How many hours would Linda need to plan on so that Party Performers is less expensive than Clown City? BEEN DOING IT FOR 45 MINS NOW..!! HELP ME PLZ..!!!
Click here to see answer by stanbon(57347)

Question 404259: Use the five steps for problem solving to answer the following question. Please show all of your work.
Angle A and Angle B are complementary angles. If Angle A is six more than three times Angle B, what are the measures of the angles? WHERE DO I BEGIN??!! HELP !!
Click here to see answer by nerdybill(6959)

Question 404258: Translate the following situation into an equation. Do not solve.
“Machine A can sort products twice as fast as Machine C and Machine B can sort products at a rate of 300 products fewer per minute than Machine C. If together the three machines have an average sorting rate of 2,150 products per minute, how many products per minute can Machine C sort?” PLZ HELP ME!!
Click here to see answer by lwsshak3(6505)

Question 404226: Train A and B are traveling in the same direction on parallel tracks. Train A is traveling at 80 miles per hour and train B is traveling at 88 miles per hour. Train A passes a station at 8:10 AM. If train B passes the same station at 8:40 am, what time will train B catch up to train A?
Click here to see answer by ankor@dixie-net.com(15652)

Question 404977: Please help I am stumped. Suppose that N=^x+3 models the number of cases of an infection, in millions of a disease x years from now. A)How many cases of the infection will there be in 9 years from now? B) In how many yuears will there be 5 million cases
Click here to see answer by Alan3354(30993)

Question 405200: The area of a triangular section of a store cannot be more than 910 sq. ft. If the height of the triangular section is 52 feet, what should the base be? HELP ME PLZ SOMEONE..!!!
Click here to see answer by MathLover1(6634)

Question 405201: translate the following situation into an inequality. Do not solve.
“The sum of three integers is no more than 110. If one integer is nine less than twice the first integer and the third integer is one fourth the first integer, what are the integers? HELP ME...ANYONE KNOW HOW..??!!!!
Click here to see answer by ankor@dixie-net.com(15652)

Question 405435: a rectangular lot whoes perimeter is 220 feet is fenced along three sides. an expensive fencing along the lots lenght cost 20$ per foot and the inexpensice fencing along the two side widths costs only 8$ per foot. the total cost of the fencing along the three sides comes to $2040. what are the lots dimensions?

Click here to see answer by lwsshak3(6505)

Question 405433: a student has two test scores. the difference between the scores is 12 and the mean or average of the scores is 80. what are the two test scores?

Click here to see answer by robertb(4012)

Question 405481: In 3 sec, Penny walks 24 ft, to the bow (front) of a tugboat. The boat is cruising at a rate of 5 ft/sec. What is Penny’s rate of travel with respect to land? HELP ME PLZ..!!!!
Click here to see answer by stanbon(57347)

Question 405674: hey
i have a question on my homework

Click here to see answer by MathLover1(6634)

Question 406350: out of three tests what is the lowest grade you can get to have an average of 87?
Click here to see answer by richard1234(5390)

Question 406634: adult tickets cost $2 more than student tickets. 100 students and 200 adults =$850. student ticket costs?
Click here to see answer by MathLover1(6634)

Question 408185: Place the following numbers in ascending order: -2,7,1,-8,-8,6,-1,0
Click here to see answer by unlockmath(1599)

Question 408635: A mean average of 60 on 7 exams is needed to pass a course. On her first 6 exams i received grades of 46,71,70,57,67 and 72. What grade must i receive on my last exam to pass the course?
Click here to see answer by josmiceli(9680)

Question 408891: If you got 80% on your last math test and there were 45 questions on the test, how many did you get correct?
Click here to see answer by MathLover1(6634)

Question 409150: what is the average sped of 16 miles

Click here to see answer by Jeef Gorrdon(26)

Question 409060: 1) It took 24 workers working 10 hours per day for 24 days to complete a task. At this rate, how many days will it takes 60 workers to complete the same task working 8 hours per day?
2)Five robots produce five automotive parts in five minutes, How many packages each containing one part could be made by ten robots in ten hours?
Thanks in advance.
Click here to see answer by ankor@dixie-net.com(15652)

Question 409584: need help with this problem 1/7y+3=1/2y
Click here to see answer by MathLover1(6634)

Question 410251: Stephanie has 85,92,and 71 on her tests. what score must she earn to have an average of 80 or above?
Click here to see answer by rfer(12660)

Question 410984: If the total annual salary paid to the top three executivies of a firm is R7 200 000, what is the average monthly salary? Please show all calculations.
Thanks you
Lambert Colyn
Click here to see answer by Hny(2)

Question 411124: A student receives test scores of 73, 83, and 68.
Two more exams are expected in the semester. What must the average of the final two tests be in order for the student’s semester average to be 80?

Click here to see answer by rfer(12660)

Question 411254: Tom has taken 5 of the 8 equally weighted tests in his U.S. History class this semester, and he has an average score of exactly 78.0 points. How many points does he need to earn on the 6th test to bring his average score up to exactly 80.0 points?
The answer is 90. Can someone explain how to get this answer?
Click here to see answer by ewatrrr(10682)

Question 411983: Wayne had the following scores on the first eight tests: 76, 77, 79, 91, 82, 84, 85, 53. What minimum score must Wayne earn to have a test average of 80?
Click here to see answer by solver91311(16885)

Question 412851: I go to a primary school and soon going to high school what is the best ways of working out spread,range,average,mean,mode, and midian.And wat are the best ways to remember them if you at a test and you are lost?

Click here to see answer by shree840(260)

Question 412818: The area of a triangle is 10 in^2. What are the possible whole-number dimensions for the base and height of the triangle?
Click here to see answer by rfer(12660)

Question 413179: Hi,
I need to help my son figure the following problem but don't know where to start!
A 34yr old leaves a club and a 64yr old joins, the average age increases by 2. How many people are in the club?
Any help gratefully received - I don't want to give him the answer, just help him figure it,
thanks
Click here to see answer by Alan3354(30993)

Question 413312: Fill in the blank part of the factorization:
-x - 10 = -1(_ + 10)
Click here to see answer by rfer(12660)

Question 413892:
Your average (arithmetic mean) score on five exams is 67. If your professor drops the lowest test score, then your average of the four remaining scores is 70. What is the lowest score that you got on all five exams?

Click here to see answer by bayners123(12)

Question 414065: the length of the yard is 1 meter less than two times the width. if the perimeteris 70 meters, find the length and width of the rectangular yard.
Click here to see answer by ewatrrr(10682)

Question 416137: the set ( 1, 2, 3,......14) is partitioned into five subsets, each of which contains exactly 3 numbers. If the sum of the elements in each subset is to be the same, why can't (6, 8, 9) be one of these subsets?
Click here to see answer by richard1234(5390)

Question 416361: write in interval notation x < -4
i dont understand how to do that?
Click here to see answer by poliphob3.14(115)

Question 416643: Factor the polynomial by grouping: 3x^3 + 6x^2 - 4x - 8
Click here to see answer by stanbon(57347)

Question 416997: A Student has two test scores. The difference between the scores is 12 and the mean, or average of the scores is 80. what are the two scores?
Click here to see answer by ewatrrr(10682)

Question 417043: if you have 78 90 68 and 83 what do you need to get an average of 80
Click here to see answer by checkley79(3050)

Question 417524: How do you factor: 4x squared - 17x + 4 ?
This factoring thing doesn't make sense to me at all.... :(
Click here to see answer by jim_thompson5910(28595)

Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755, 1756..1800, 1801..1845, 1846..1890, 1891..1935, 1936..1980, 1981..2025, 2026..2070, 2071..2115, 2116..2160, 2161..2205, 2206..2250, 2251..2295, 2296..2340, 2341..2385, 2386..2430, 2431..2475, 2476..2520, 2521..2565, 2566..2610, 2611..2655, 2656..2700, 2701..2745, 2746..2790, 2791..2835, 2836..2880, 2881..2925, 2926..2970, 2971..3015, 3016..3060, 3061..3105, 3106..3150, 3151..3195, 3196..3240, 3241..3285, 3286..3330