Questions on Algebra: Average answered by real tutors!

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Question 597406: what is the average for 14, 30, 16, 20
Click here to see answer by Alan3354(31538)

Question 597672: The sum of two consecutive integers is -297. Find the larger integer.

Click here to see answer by stanbon(57984)

Question 597765: write all of the following statement(s) that apply to the following polynomial.
-8x^2+7x^3+7
a) it's a trinomial
b)it can not be evaluated at x=-1/3
c)it has a coefficient of 8
d) it is a cubic
Click here to see answer by jim_thompson5910(28717)

Question 598372: A total of 50 juniors and seniors were given a mathematics test. The 35 juniors attained an average score of 80 while the 15 seniors attained an average of 70. What was the average score for all 50 students who took the test?
Click here to see answer by w_parminder(53)

Question 599519: If I scored a 77.84% 70.00% 61.54% 71.43% 71.43% on my test what will my overalladverage be???
Click here to see answer by nerdybill(7011)

Question 600727: Hello. my problem is
a^8-b^8
or a to the eighth minus b to the eighth. Please help me learn how to work this.
Click here to see answer by jim_thompson5910(28717)

Question 600786: When Allen and Maggie reached retirement, they were finally able to buy the house of their dreams. It had a 40 by 72 foot rectangular yard. Maggie cultivated 5/12 of the area in flowers, which she grew in an even rectangular border around the central court. Every morning Allen walked the dog around the central grass area just in side of the flowers. How many laps did he have to do to walk at least 1/4 mile?
Click here to see answer by solver91311(17077)

Question 600986: ok if i have a end of the year grade of 80 but the final test that i made a 60 on is going to court as 15% of my grade what would my grade be now
Click here to see answer by lynnlo(4169)

Question 601033: what is 1,035 divided by 23 i whant to see the working pleaze
Click here to see answer by solver91311(17077)

Question 601077: If you work 8$ per hour and you made 200$ how much hours did you work?
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Question 601204: how many questions did i get wrong if i got an 80 percent out of 20 questions?
Click here to see answer by jim_thompson5910(28717)

Question 601321: 16m^3n+20m^2n^2+3mn^2

Click here to see answer by flame8855(424)

Question 601628: A student scores a 72 out of a 100. The maximum score on a test is 100. What score does the student need inorder to maintain an average of 81?
Click here to see answer by veronica1289(7)

Question 601716: on six test of 100 points each, Groucho has an average of exactly 95. What is the lowest score he could have made on any of the six test?
Click here to see answer by Edwin McCravy(8999)

Question 601665: In a class that has 375 students, the average on an exam was exactly 55.15. If all students earned integer scores from 0 to 100, what is the minimum number of students that could have taken the exam, and what is the maximum number of students that could have taken the exam?
Click here to see answer by KMST(1936)

Question 602141: tom has a mean score of 65 on the first three tests in class. what is the highest grade tom can get if there is only one more 100-point test and all the tests are equally weighted? the teacher rounds final grades to the nearest integer.
Click here to see answer by Edwin McCravy(8999)

Question 603227:
Click here to see answer by unlockmath(1614)

Question 603375: Hello,
My average is 77.6. My final counts as 20%. What is the worst I can make on the test and pass with a 70% average? I calculated 44. Thank you for answering my question.
Click here to see answer by AnlytcPhil(1278)

Question 603722: If a student scores a 73 out of 100 on a test and the maximum score on the next test is 100 what does the student need to make to have an 80 average

Click here to see answer by alicealc(281)

Question 604070: If x square is added to x , the sum 42 .
Click here to see answer by Alan3354(31538)

Question 604138: Could someone please help with this problem?
The average of the first 7 numbers was 21. The average of the next 3 numbers was only 11. What was the overall average of the numbers?
Click here to see answer by alicealc(281)

Question 604249: What is the method to solve this question??
The average of four numbers is 7. If the average of first three numbers is 8 then find the fourth number?

Click here to see answer by flame8855(424)

Question 604701: Astrid won a prize of $6720 in a baking contest. She used all the money by spending 3 times as much on home renovations as on furniture and 4 times as much on a savings certificate as on furniture. How much did she spend on home renovations?
Click here to see answer by ivietboixd(1)

Question 604702: Jake is 5 years younger than twice the age of Cal, and Lila is 4 years older than Jake. The sum of all their ages is 59. How old is Lila?
Click here to see answer by asuar010(324)

Question 605303: a maths test has 20 questions a girl got 85% right how many did she get wrong
Click here to see answer by asuar010(324)

Question 605320: well i want to meet u sexy horny honey

how abut tonight we are both going to have nice sex together

want u alot
Click here to see answer by rfer(12731)

Question 605875: My exam was 42 questions and if I got 3 or 4 questions wrong what would I get? It was out of 100%
Thank you so much banessa:)
Click here to see answer by jim_thompson5910(28717)

Question 607140: if my overall grade is a 79 and i get a 72 on a test, which counts for 40% of my grade what is going to be my overall grade

Click here to see answer by ewatrrr(10682)

Question 607192: X-2=20
X=35
Click here to see answer by Alan3354(31538)

Question 607219: Find the average of the following numbers 65,49,15
Click here to see answer by jim_thompson5910(28717)

Question 607248: What is the average between three tests all worth the same of scores 83, 88, and 88.

Click here to see answer by stanbon(57984)

Question 607267: If I have a 55.80% as a grade right now, how many more tests will be needed to be taken and what scores would they need to be to get a 70%?
Click here to see answer by LisaJ(11)

Question 607314: 2x^2-2x-12=0 solve using method of completing a square
Click here to see answer by lynnlo(4169)

Question 607314: 2x^2-2x-12=0 solve using method of completing a square
Click here to see answer by stanbon(57984)

Question 607960: there are fifteen question how many can i get wrong but still get a 85 or better?
Click here to see answer by ewatrrr(10682)

Question 608430: I would like to know how to find the average of 4 numbers when only 3 are given
here's the question (I don't want the answer just to know how to do it); A student has earned scores of 87, 81, and 88 on the first 3 of 4 tests. If the student wants an average (arithmetic mean) of exactly 87, what score must she earn on the fourth test?
Click here to see answer by nerdybill(7011)

Question 609042: Find the range of the data. Be sure to show your work.
Scores: 90, 89, 87, 79, 89, 84, 80, 85, 85, 79
Click here to see answer by flame8855(424)

Question 609158: Your parents have 12 different kinds of chairs and 4 different tables. In how many ways can I pick six chairs and two tables. The order of choice is not important.
Click here to see answer by ewatrrr(10682)

Question 609157: Simplify the following expression: 6x-8 /7x + 3/7x
Click here to see answer by ewatrrr(10682)

Question 609135: what does x* and *z mean in algebra?
Click here to see answer by Alan3354(31538)

Question 609169: The average fuel economy of a car that went 200 highway miles on 6 gal of gas and 100 city miles on 4 gal of gas.( find average)
Click here to see answer by solver91311(17077)

Question 609200: If I got 107 questions correct out of 120 questions what is my percentage?
Click here to see answer by flame8855(424)

Question 609281: Unfortunately, you missed the last math test in your class because you were ill. Your score of a 96 raised the class average from 71 to 72. How many students including yourself are in your class? Show or explain how you got your answer.
Click here to see answer by Alan3354(31538)

Question 609282: a student get a score of 72, 84, 86 what score must the student receive in the fourth test so that the mean of these scores will be 85
Click here to see answer by ankor@dixie-net.com(15747)

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, 3331..3375, 3376..3420