Questions on Algebra: Average answered by real tutors!

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Question 539930: how do I graph the function
y=-x+4 if x<-1
y=2x+7 if x>/-1
Click here to see answer by jim_thompson5910(28717)

Question 539929: graph the inequality y>|x+2|
Click here to see answer by jim_thompson5910(28717)

Question 540151: how do i find the horizontal distance on this problem:
data:
vi 8m/s
dx= ?
a=om/s
t=3.061

i tried dx=8m/s(3.061) and obtained 24.488
is dx=24.488?

Click here to see answer by Alan3354(31538)

Question 540379: If I have an 82 average and take a quiz that is 30 percent of my grade and get an 88 on it, what will my average grade turn into?
Click here to see answer by josmiceli(9817)

Question 540732: What is the average of 95,88,85?
Click here to see answer by Alan3354(31538)

Question 540903: I have a 79% in my class right now. What do I need to get on my final exam (that is worth 20%) in order to get an 83 in the class?
Click here to see answer by scott8148(6628)

Question 541009: how do i calculate my exact target heart rate from my maximum hear rate? iam 30 years old.

Click here to see answer by fcabanski(889)

Question 540770: The mean exam score for 10 students in a class was 85. One student then dropped the class, changing the mean exam score of the remaining students to 90. What was the exam score of the student who dropped the class?
Click here to see answer by scott8148(6628)

Question 541564: If I have a mark of 76% in a class, and the final is worth 30%of my mark. Wut would I need to get on the final to get a over all 60% ?
Click here to see answer by stanbon(57984)

Question 541700: I have an average of 68. If I receive a 60 on my final exam, which is 30% of my grade, what is my overall grade for the class?
Click here to see answer by bucky(2189)

Question 541843: if i have a 81 in a class and my exam is worth 20% what do i need to make to keep my 80
Click here to see answer by Alan3354(31538)

Question 541843: if i have a 81 in a class and my exam is worth 20% what do i need to make to keep my 80
Click here to see answer by solver91311(17077)

Question 542140: I currently have an 86% in my spanish class. The final counts for 20%. I need to get an 78% or higher in the class. What is the lowest grade I can get on my final? Thank you!
Click here to see answer by stanbon(57984)

Question 541802: 46-v=232
Click here to see answer by jim_thompson5910(28717)

Question 541760: How to Solve The Problem 8(2X-6)
Click here to see answer by jim_thompson5910(28717)

Question 542488: The mean of 15 test scores is 78. What is the sum of these test scores?
Click here to see answer by friesr(113)

Question 542488: The mean of 15 test scores is 78. What is the sum of these test scores?
Click here to see answer by Alan3354(31538)

Question 542486: Alice has grades of 98, 93, 82, and 89. If all the grades count the same, what is the lowest grade she can make on the next test to have an average of 92!
Click here to see answer by friesr(113)

Question 542513: Suppose you have a 88% in your class. The semester is going to end soon, and you want to have a 90%. How many points do you need to get a 90% if you have a 88%?
Click here to see answer by friesr(113)

Question 542721: if my grade is a 77.20 and i have to take a final that is worth 30% of my grade what is the lowest score i can get on my final and still have a C grade
Click here to see answer by Alan3354(31538)

Question 543112: 19. On a math exam, two students score 98 points, five scored 87 points, one scored 81 points and six scored 75 points. What was the average score for the class? (Round to the nearest tenth if necessary.)
Click here to see answer by IFY(62)

Question 543782: What is the average (arithmetic mean) of 8,7,7,5,3,2, and 2?
Click here to see answer by stanbon(57984)

Question 544264: If i have a 86 for a grade and make a 65 on a quiz what will my average be
Click here to see answer by Alan3354(31538)

Question 544486:
Click here to see answer by anandinasu(1)

Question 544779: if i have an 95.8 for the class and got an 82.5 on the final what would my final score be?

Click here to see answer by Alan3354(31538)

Question 544772: if your average is a 69 and you made a 70 on a minor grade what would your average be then ?
Click here to see answer by Alan3354(31538)

Question 544838: jim has gotten scores of 99 and 93 on his firs tests. what score must he grt on his third test to keep an average of 90 or greater
Click here to see answer by friesr(113)

Question 544857: i have an 89% for quater 1, and a 91% for quater 2, what do i have to get on my semester final to get an A as my semester grade??
Click here to see answer by stanbon(57984)

Question 544961: If a student has a 98 in a class and her final is worth 15% of her grade and she makes a 60 on her final what is her new average ?
Click here to see answer by Alan3354(31538)

Question 545018: If I have a 74% in my class and my final coming up is worth 25% of my grade, what is the lowest I can get on my final if I want to keep it above a 70%?
Click here to see answer by josmiceli(9817)

Question 545229: If a student has a 82 in a class and her final is worth 60% of her grade and she makes a 40 on her final what is her new average?

Click here to see answer by KMST(1936)

Question 545540: If 9 and x have the same average as 3,7, and 14 what is the value of x?
Click here to see answer by stanbon(57984)

Question 545829: If I have an 81 in my class and the exam I have to take is worth 25% of my grade, what do I need to get a B?
Click here to see answer by JBarnum(2044)

Question 545784: What is the number grade that I need to get on my final exam to end up with a 72 overall in the class, if I currently have a 86 in the class and the final is worth 30% of my grade.
Click here to see answer by ankor@dixie-net.com(15747)

Question 545923: I have an 83% total in my class. I'm taking the final which counts for 30% of my final grade. What percentage do I need to score in order to have a 70% or higher?
Click here to see answer by JBarnum(2044)

Question 545964: If I have a 91 in the class and I made a 40 percent on the final which is worth 25 percent of the grade what is my final grade for the course?
Click here to see answer by scott8148(6628)

Question 546025: I HAVE AN 83% IN MY CLASS, AND I'M GETTING READY TO TAKE THE FINAL THAT IS WORTH 12.5% OF MY GRADE. THE LOWEST GRADE THAT I CAN GET TO PASS THE CLASS IS A 78. COULD YOU TELL ME WHAT I NEED TO GET ON THE TEST IN ORDER TO END UP WITH A 78% IN THE CLASS. I JUST WANT TO FIGURE OUT THE WORST POSSIBLE SCENARIO!

Click here to see answer by Edwin McCravy(8999)

Question 546041: to earn a B in a course a student must have a final average of 80. on the first three tests a student has scores of 76,74, and 78. what must the student earn on the fianl test to get a B in the course?
Click here to see answer by guitarheroguy(26)

Question 546094: if i miss 3 out of 30 what is my grade?
Click here to see answer by josmiceli(9817)

Question 546213: Can you give me the formula to work x / y = 85, / means divide
Click here to see answer by Alan3354(31538)

Question 546324: Ameya's average score for her first three psychology exams is 84. What must she get on the forth exam so that her average for the four exams is 85 or higher?
Click here to see answer by Maths68(1474)

Question 546974: I have 80.88% for 80% of my class grade. the final exam is 20%. What grade do I need to make on exam to pass this class with atleast a 77?
Click here to see answer by Alan3354(31538)

Question 546973: I have 80.88% for 80% of my class grade. the final exam is 20%. What grade do I need to make on exam to pass this class with atleast a 77?
Click here to see answer by Alan3354(31538)

Question 547165: Your test scores in Algebra so far are 73, 89, 65, and 91. If yo want to average at least an 82, what score do you need on your next test?
Click here to see answer by mathie123(224)

Question 547144: Adam tried to compute the average of his 7 test scores. He mistakenly divided the correct sum of all of his test scores by 6, which yielded 84. What is Adam’s correct average test score?
Click here to see answer by rfer(12731)

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