Questions on Algebra: Average answered by real tutors!

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 Algebra: Average Solvers Lessons Answers archive Quiz In Depth

 Question 490724: Can you give me an equation that equals up to 74 and explain it Click here to see answer by Alan3354(30993)

 Question 490802: If I take a test that has 42 questions and I got 14 wrong what is my percentage. Thank you! Click here to see answer by emargo19(101)

 Question 492254: how to get the number 83 by only using 3 five times Click here to see answer by chessace(471)
 Question 492254: how to get the number 83 by only using 3 five times Click here to see answer by richard1234(5390)

 Question 492409: If you got 88% on your last math test and there were 26 questions on the test, how many did you get correct? Click here to see answer by deborabr(181)

 Question 492945: A math quiz is worth 100 points.There are 13 problems on the quiz.Some of the problems are worth 5 points, and the rest are worth 12 points.How many of each kind of problem are on the quiz? Click here to see answer by nerdybill(6958)

 Question 494507: I am taking a test and it has 28 questions I missed 5 of them, what is the percentage of that. I need 90% to pass. Click here to see answer by Alan3354(30993)

 Question 494540: If the average (arithmetic mean) of 7, 8, 9, and x is 10, what is the value of x? Click here to see answer by rfer(12657)

 Question 495593: (8.1 · 107) · (4.2 · 109) Use scientific notation to multiply the following two numbers. Express the answer using scientific notation; retain all nonzero decimal places. Click here to see answer by stanbon(57337)

 Question 495832: A student in an algebra course has test scores of 76, 90, 73, and 86. What score on the next test will raise the student's average to 80? Click here to see answer by Alan3354(30993)

 Question 495873: Subtract. (7 + t − 5t2 + 2t3) − (1 + 2t − 4t2 + 5t3) Click here to see answer by rfer(12657)

 Question 497402: Choose the best response to describe the polynomial: 4x3 – 7x2 + 3 (Points : 3) It is a trinomial. It is quadratic. It is of degree four. It has a leading coefficient of 3 Click here to see answer by richard1234(5390)

 Question 497659: latisha started with two scores: 72% and 89%. Confirm that the average of these two scores is 80.5%. Show your work. Click here to see answer by bjustkat(1)

 Question 497453: The average of a set of numbers is 120. Only one number is different from the other three. What could be that number? Click here to see answer by ankor@dixie-net.com(15650)

 Question 498099: Essay. List the terms, coefficients, and degree of the following polynomial: 3x3 – 2x2 – x + 1/3 Click here to see answer by richard1234(5390)

 Question 498395: Suppose 80 people took the final exam in a math class. If 50 people got an A on the final exam, what fraction of the students did not get an A on the exam? Write your answer in lowest terms. Click here to see answer by KatieMose(5)

 Question 498853: if i got 18 out of 30 right on a quiz what is my grade Click here to see answer by richard1234(5390)

 Question 498911: Write all of the following statement(s) that apply to the following polynomial: -2x5 + 9x3 – 9 It is a trinomial. It cannot be evaluated at x = It has a leading coefficient of 2. It has a degree of 5. Click here to see answer by MathLover1(6632)

 Question 498430: Marie received the following scores on her first three tests: 91% 87% and 86% What average must she receive on her fourth and fifth test to average 90% for all five tests? Click here to see answer by bucky(2189)

 Question 498908: Essay; show all work. Consider that the age, x, of a unicorn in human equivalent years can be given by the formula f(x) = - 0.002718x4 + 0.097326x3 – 1.3367x2 + 12.46x + 3.914. When a unicorn is 2.5 years old, what is its age in human equivalent years? What about when it is 12 years old? Click here to see answer by richard1234(5390)

 Question 498910: Essay; show all work. Bob’s Barber Shop estimates their gross revenue for the second quarter to be given by the polynomial 4x3 – 6x2 – 6x + 5. The shop estimates their costs for that quarter to be given by 4x2 – 7x + 5. For the second quarter, find and simplify a polynomial that will represent their profit. Note: Profit = Revenue - Costs Click here to see answer by richard1234(5390)

 Question 499914: exactly 830 people took part in a local fund raising eent. The number of adults was 80 more than twice the number of children. If there 278 men, how many women were there? Click here to see answer by rfer(12657)

 Question 498159: ok can you assist me with this problem i have got stuck. x^5.x^4 Click here to see answer by Flannery(124)

 Question 498526: The total number of points scored by team A was 96. Team b scored w points. How many more points team a score? Click here to see answer by Flannery(124)

 Question 498082: State the degree of the following polynomial: 4x3y – 2xy – 6y Click here to see answer by Flannery(124)

 Question 498101: . Write all of the following statement(s) that apply to the following polynomial: -2x5 + 9x3 – 9 It is a trinomial. It cannot be evaluated at x = -1/3 It has a leading coefficient of 2. It has a degree of 5. Click here to see answer by Flannery(124)

 Question 500285: If I have 17 questions, and miss five, what is the average? Click here to see answer by Alan3354(30993)

 Question 500665: What is the mean of all integers from -410 through positive 400? Click here to see answer by solver91311(16884)

 Question 500670: twice the difference of g and 7 ? Click here to see answer by rfer(12657)

 Question 500855: The highest location in a certain country is 15,541 feet above sea level. The lowest point in the same country is 104 feet below sea level. Find the difference of the two elevations. Also, a city is 7,149 feet above sea level. Is this elevation closer to the highest point or the lowest point? Click here to see answer by geetha_rama(64)

 Question 500941: Whole milk is 4% butterfat. How much skim milk with 0% butterfat should be added to 32 ounces of whole milk to obtain a mixture that is 2.5% butterfat? My work thus far: oz btfat total whole 32 4% 32(.04) skim x 0% 0.00X mix 32+x 2.5% 32+x(o.o25) I don't know how to put the equation together but my answer is 19.2 oz Click here to see answer by mananth(12270)

 Question 502033: what is the average(arithmetic mean) of 8,7,7,5,3,2 and 2? solution in fraction Click here to see answer by Alan3354(30993)

 Question 502645: The area of a rectangle is 24,396 square centimeters. If the width is 38 centimeters what is the length? How do you know? Click here to see answer by Alan3354(30993)