pre-algebra

Popular questions
  1. Pre-Algebra

    Hi I’m having trouble with this math topic How changing a value affects the mean and median. My math problem is The monthly rent (in dollars) paid by 10 people are given below. The numbers are 795, 935, 960, 995, 1025, 1030, 1050, 1090, 1105

    asked by Savannah on June 29, 2020
  2. Pre-Algebra

    1. What data are represented by the stem-and-leaf plot below? 3 | 7 8 9 4 | 1 3 7 5 | 2 4 Key: 4 | 1 means 41 a. 37, 38, 39, 41, 43, 47, 52, 54 b. 73, 83, 93, 14, 34, 74, 25, 45 c. 7, 8, 9, 1, 3, 7, 2, 4 d. 37, 38, 39, 14, 34, 74, 25, 45 2. Find the mode

    asked by Janessa on March 20, 2013
  3. Pre-Algebra

    If y varies directly with x, find the constant of variation with x = 4 and y = -24 If y varies inversely with x, find the constant of variation with x=5 and y = 10 If y varies directly with x, and y = 35 when x = 5 , find x when y = -7 If y varies directly

    asked by Anon on June 7, 2015
  4. Pre-Algebra

    1. Given the function rule f(x) = x² – 3x + 2, what is the output of f(–2)? 2. Suppose you earn $12 each time you mow the lawn. Write the function describes the relationship between your total earnings E and the number of times you mow the lawn, m? 3.

    asked by Anonymous on May 12, 2015
  5. Pre-Algebra

    A rectangle is 1" wide and 3" tall. If it is enlarged to a height of 18" then how wide will it be?

    asked by Chandra Ramsey on October 17, 2013
  6. Pre-Algebra

    Identify the underlined place in 83.5851. Then round the number to that place. A. thousandths; 83.58 B. hundredths; 83.59 C. hundredths; 83.58 D. thousandths; 83.59 A?

    asked by quick help please on July 3, 2016
  7. Pre-algebra

    David must choose a number between 49 and 95 that is a multiple of 4, 6, and 8. Write all the numbers that he could choose. If there is more than one number, separate them with commas.

    asked by Wes on February 7, 2014
  8. pre-algebra

    the two triangles are similar. what is the value of x. Be sure to explain your steps 10 inches 4 inches and 20 inches x inches I'm not sure how to find X

    asked by bella on March 15, 2018
  9. Pre-Algebra

    One hundred nautical miles equals about 185 kilometers. To the nearest kilometer, how far in kilometers is 290 nautical miles?

    asked by Anonymous on December 13, 2012
  10. Pre-Algebra

    1. Determine which set of three numbers could represent the sides of a right triangle. a. 9, 41, 41 b. 9, 40, 41 c. 8, 41, 40 d. 10, 40, 42 is the answer b? 2. Determine which set of three numbers could not represent the sides of a right triangle. a. 3, 4,

    asked by Cheryl on May 4, 2011
  11. pre-algebra

    You split $1500 between two savings accounts. Account A pays annual 5% interest and Account B pays 4% annual interest. After one year,you have earned a total of $69.50 in interest. How much money did you invest in each account?

    asked by em on January 24, 2013
  12. Pre-Algebra

    The layer cake has both vanilla and chocolate frosting. What percent of the surface area of the cake (not including the bottom) is chocolate? Round your answer to the nearest tenth of a percent.

    asked by Anonymous on March 21, 2016
  13. Pre-Algebra

    For questions 2 and 3, simplify the polynomial. 2. 2x^2+8-4x+3x-6x^2+7 a.-8x^r-7x+15 b.-4x^2-x+15 c.4x^2+x+15 d.8x^2+7x+15

    asked by Richy305 on June 2, 2015
  14. Pre-algebra

    Dwayne walks a total of 960 feet around 3 sides of a square city block. Which equation and solution show a correct way to find the perimeter, P, of the block?

    asked by Leigha on October 24, 2014
  15. Pre-Algebra

    1) Find the surface area for a sphere with a radius of 10 feet. Round to the nearest whole number. a. 1,256 ft2 b. 4,189 ft2 c. 1,089 ft2 d. 1,568 ft2 2) Find the volume of a sphere with a radius of 10 feet. Round to the nearest whole number. a. 1,257 ft3

    asked by Alexa on March 13, 2013
  16. pre-algebra

    Question 3 of 5 Select all the rational numbers from the list. A. 2 B. 8.212211222111 C. 8.333333333 D. 80 E. 25 I said C and A am I correct?

    asked by anonymous on September 6, 2018
  17. Pre-Algebra

    A chess club with 40 members is electing a new president. Lisa received 16 votes. What percentage of the club members voted for Lisa?

    asked by Anonymous on September 18, 2016
  18. Pre-Algebra

    Write the given sentence as an equation. Tim's age in 7 years will be three times what it was 19 years ago.

    asked by Amy on March 4, 2013
  19. Pre-Algebra

    Write a rule for the linear function in the table. x f(x) –4 16 0 0 4 –16 8 –32 A. f(x) = –4x B. f(x) = x + 16 C. f(x) = 4x D. f(x) = x

    asked by nay nay on April 11, 2012
  20. Pre-algebra

    There are eight sprinters competing for first, second, and third place ribbons. How many different ways can the ribbons be awarded?

    asked by Alena on May 23, 2011
  21. pre-algebra

    the scale on a map is 1 cm: 7 km. if two cities are 15 cm apart on a map, what is the actual distance in the cities?

    asked by daniel on December 5, 2018
  22. Pre-Algebra

    A right triangle has an area of 21 m2. The dimensions of the triangle are increased by a scale factor of 4. What is the area of the new triangle? A. 42 m2 B. 84 m2 C. 168 m2 D. 336 m2 How would I solve this?

    asked by BruteForce on October 24, 2017
  23. Pre-Algebra

    The sum of their ages. is 97. The difference of their ages is 19. Find their ages.

    asked by Nia on April 7, 2017
  24. Pre-Algebra

    The width of a picture is 20 cm. Using a color copier, you reduce the width of the picture to 5 cm. What is the scale factor of the dilation? A)5 B)1/5 C)4 D)1/4*****

    asked by Chubby Gerbal on December 10, 2016
  25. Pre-algebra

    Sonia is creating a visual diagram to show the relationship between rational numbers and whole numbers. She draws it to show that some whole numbers are rational numbers and some are not. Is this correct? Explain why or why not All numbers are rational

    asked by Britney on November 4, 2016
  26. pre-algebra

    a 50-pound bag of grass seed sells for 292.50. find the unit price of grass seed

    asked by Anonymous on November 6, 2014
  27. pre-algebra

    There are 1,400 students in a school.The number of girls is 3/4 the number of boys.How many students are in the other grade levels if 1/6 of the girls and 1/5 of the boys in first grade?

    asked by Fernando on September 12, 2013
  28. Pre-Algebra

    How many different ways can you choose 3 frozen yogurt toppings from 20? 6,840 1,140 60* 2,260 I think it is 60 because 3*20 however not positive.

    asked by Kate on April 1, 2013
  29. Pre-Algebra

    A bag contains 10 white golf balls and 6 striped golf balls. A golfer wants to add 112 golf balls to the bag. He wants the ratio of white to striped golf balls to remain the same. How many of each should he add?

    asked by Joe on November 14, 2012
  30. Pre-Algebra

    The length of a rectangular jewelry box is 5 inches more than twice the width. The perimeter is 28 inches. Find the length and the width.

    asked by Willie on November 29, 2010
  31. Pre-Algebra

    What do they call the International Hula Hoop Championships?

    asked by Mikayla on September 15, 2009
  32. Pre-Algebra

    Two months ago, the mean daily rainfall in a local city was 9.4 cm. The mean absolute deviation was 3.5 cm. Last month, the mean daily rainfall in that city was 11.5 cm, and the mean absolute deviation was 1.6 cm. Which statement about the rainfall is

    asked by cleo on April 13, 2020
  33. Pre-Algebra

    If Dave drives t a steady speed of 50 miles per hour, how long will take him to drive 10 miles?

    asked by Mika on December 31, 2018
  34. pre-algebra

    Which statement is false? A. Every integer is a real number.**** B. The number zero is a rational number. C. Every irrational number is a real number. D. Every real number is a rational number.

    asked by BleakTuber on November 29, 2018
  35. Pre-Algebra

    In a recent year, 31.8%of all registered doctors were female. If there were 54,700 female registered doctors that year, what was the total number of registered doctors?

    asked by Harmony on May 15, 2017
  36. Pre-Algebra

    You are a member of a fund raising committee for your school. The committee is sponsoring a fair. Each member of the committee has agreed to sell 50 tickets to the fair. Student tickets are $3 each and adult tickets are $5 each. Use an expression to

    asked by Zoe on September 27, 2015
  37. Pre-Algebra

    Use the formula d = rt. Find t for r = 46.6 m/h and d = 456.68 m. Show your work. This question is not multiple choice

    asked by Gabriella on October 29, 2014
  38. Pre-Algebra

    The houses on your street are numbered with odd numbers starting with 1 and ending with 201. How many house numbers contain at least one 7? a.)30 numbers b.)28 numbers c.)24 numbers d.)20 numbers 2.) If there are two tubas in the band, what is the total

    asked by Amaka on October 27, 2014
  39. Pre-Algebra

    Complete the sentence below. Scatter plots are used to look for a pattern of association, or trend, between ____________ A) one set of values. B) two sets of values. C) three sets of values. D) four sets of values. My Answer: B) two sets of values.

    asked by Wendy on March 25, 2013
  40. Pre-Algebra

    Find the mean of the following data set: 25, 30, 20, 20, 25, 35, 35, 10 a. 15 b. 20 c. 25 d. 30 My Answer: b. 20

    asked by Janessa on March 20, 2013
  41. Pre-Algebra

    Carpet Masters charges $9.50 per square yard to clean a carpet. If you have two rooms with an area of six square yards each, how much will it cost to have the carpets cleaned?

    asked by Anonymous on December 13, 2012
  42. Pre-Algebra

    6y+8=-3y-28 Here is what I did 6y+8-8=-3y-28-8 6y=-3y+20 6y-(-3y)=-3y-(-3y)+20 3y/3 = 20/3 y=6.66666666667 what did I do wrong

    asked by Samantha on January 24, 2012
  43. pre-algebra

    If a and b are any real numbers, is the statement a x b = b x a always true? Why or why not?

    asked by Molly on August 29, 2011
  44. pre-algebra

    If Denise received a 6% raise and is now making $25,550 per year, what was her salary before the raise?

    asked by cody on June 24, 2011
  45. Pre-Algebra

    solve for m 2/3m - 5 = n

    asked by Justin on January 26, 2011
  46. Pre-Algebra

    1. What are the next three terms in the sequence? (1 point) -3,6,15,24, … a. 35,46,57 b.34,44,54 c.33,44,56 d.33,42,51*** 2. Geoff planted dahlias in his garden. Dahlias have bulbs that divide and reproduce underground. In the first year, Geoff's garden

    asked by b e a n on February 26, 2020
  47. Pre-Algebra

    Emma is saving money for college. She has $800 and wants to deposit it into 2 different savings accounts. She decides to deposit $500.00 into an account, Account IN, which earns 2.5% annual simple interest. She will then deposit $300 into an account,

    asked by Lol Someone on November 15, 2019
  48. pre-algebra

    Using the numbers 5, 8, and 24, create a problem using no more than four operations (addition, subtraction, multiplication, division, square, square root, cube, cube root) where the solution will be an irrational number. Explain why the result of your

    asked by trashban5 on October 23, 2019
  49. Pre-Algebra

    You are making cookies for a bake sale. The recipe calls for 2 3/4 cups of flour. How much flour will you need if you triple the recipe?

    asked by Ash on September 23, 2019
  50. Pre-algebra

    If ΔCAT≅ΔDOG, which statement must be true? A. m∠A=m∠O B. m∠C=m∠G C.CA = OG --- ---- D.CT≅DO

    asked by Olivia on August 19, 2019
  51. Pre-Algebra

    A jar contains 45 red candies and 60 black candies. Suppose a candy is selected at random. What are the odds against selecting a red candy? 3 to 7 4 to 3 4 to 7 can someone show me how to find the correct answer (Not the answer) but the steps ?!!!

    asked by 20four on April 11, 2019
  52. Pre-Algebra

    A survey about the student government program at a school finds the following results: 190 students like the program 135 students think the program is unnecessary 220 students plan on running for student government next year. If a circle graph were made

    asked by Tay-K's Shoota on March 14, 2018
  53. Pre-algebra

    Use a proportion to solve the problem. 34% of 83 x/100=34/83;40.96 x/100=34/83;2.822 x/83=34/100;28.22 x/83=34/100;56.44 I think it's either c or d because a and b arn't set up correctly according to how you're supposed to set up a porportion.

    asked by Hi!!!! on December 9, 2017
  54. Pre-Algebra

    1. Which polynomial does the model represent? (One big black square, two white rectangles, one black rectangle, one white cube, and three black cubes.) This is all I need. @Mrs. Sue @Reed

    asked by Plz Help on May 11, 2017
  55. Pre-algebra

    a red and blue number cube are rolled. determine the probability that an odd number is rolled on the red cube and a number greater than 1 is rolled on the blue cube

    asked by math1 on September 2, 2016
  56. Pre-Algebra

    Use the Associative Property of Addition to find the total of 1, 10, and 18 in two different ways. A. 1 + 10 + 18 = 11 + 18 = 29; 10 + 18 + 1 = 28 + 1 = 29 B. 1 + 10 + 18 = 11 + 18 = 29; 18 + 10 + 1 = 28 + 1 = 29 C. (1 + 10) + 18 = 11 + 18 = 29; 1 + (10 +

    asked by quick help please on June 13, 2016
  57. pre-algebra

    A submarine at the surface dives 375 ft and then another 175 ft. Express the final depth as an integer. A. –525 ft B. –550 ft C. 550 ft D. 525 ft C?

    asked by quick help please on June 11, 2016
  58. Pre-algebra

    Which expressions are equal to 120 Multiple chose 1. 5! 2. 6! 3. 6p3 4. 12p10 I think the answers are 5! and 6p3

    asked by Gloria on March 9, 2016
  59. pre-algebra

    Use the figure to answer the following questions. figure for questions 1–3 1. Name a pair of complementary angles. (1 point) angle sign1 and angle sign4 angle sign1 and angle sign2 angle sign3 and angle sign4 angle sign1 and angle sign6 2. If mangle

    asked by cupcakesss on February 26, 2016
  60. pre-algebra

    A train leaves New York at 1:00 PM. A second train leaves the same city in the same direction at 3:00 PM. The second train travels 28 mph faster than the first. If the second train overtakes the first at 6:00 PM, what is the speed of each of the two

    asked by Tycara on December 8, 2015
  61. Pre-Algebra

    1. What makes the statement true? 8^-2 =? A. 64 B. 16 C. -1/64 D. 1/64 2. What is the solution to (4 x 10^3) x (6 x 10^6), written in a scientific notation? A. 24 x 10^9 B. 2.4 x 10^9 C. 24 x 10^18 D. 2.4 x 10^10 3. What is 0.000000512 written in a

    asked by Lilith on September 30, 2015
  62. Pre-Algebra

    Scatter plots are used to look for a pattern of association, or trend, between one set of values two sets of values three sets of values four sets of values My answer: two sets of values

    asked by Emily on March 10, 2014
  63. PRE-Algebra

    Water tank A has a capacity of 550 gallons and is 66% full. Water tank B is 53% full. The ratio of the capacity of Tank A to Tank B is 11:15. what is the capacity of tank B?

    asked by Gorge on February 18, 2014
  64. Pre-Algebra

    The ratio of men to women at a lecture is 2 to 5. A total of 63 people are at the lecture. How many are men? Explain how you found your answer,

    asked by Penelope on January 9, 2014
  65. Pre-Algebra

    Can U Just Check My Answer Please! Thank You Guys :D Complete the sentence below. Scatter plots are used to look for a pattern of association, or trend, between ____________ A) one set of values. B) two sets of values. C) three sets of values. D) four sets

    asked by Sammy on March 25, 2013
  66. Pre-Algebra

    You drop a rock off a bridge. The rock's height, h(in feet above the water), after t seconds is modeled by h=-16t2+541. What is the height of the rock after 2 seconds?

    asked by Amy on March 4, 2013
  67. PRE-ALGEBRA

    An adult house cat could be about 1____ high.

    asked by BRITTANY on January 18, 2013
  68. pre-algebra

    how do you solve for 4p-13p-p=-150

    asked by Makayla on August 29, 2012
  69. Pre-algebra

    A pole that is 3.1m tall casts a shadow that is 1.64m long. At the same time, a nearby building casts a shadow that is 50.25m long. How tall is the building? Round your answer to the nearest meter.

    asked by Darlene on May 7, 2012
  70. Pre-Algebra

    4(m+7)=6m+58

    asked by Samantha on January 24, 2012
  71. pre-algebra

    what happens if x = 1. Can you show me how to work out the problem?

    asked by Sherrie on December 6, 2011
  72. pre-algebra

    a sweater originally cost $37.50. Last week, Moesha bought it at 20% off.How much was deducted from the original price

    asked by samantha on April 5, 2011
  73. Pre-algebra

    Transform the formula. The area of a triangle A can be found with the formula A=1/2bh where b is the length of the base of the triangle and h is the height of the triangle. Solve the formula for h.

    asked by Jacob on January 20, 2011
  74. Pre-Algebra

    Mistu purchased a basketball hoop for her driveway from a sporting goods store. After the sales tax rate of 5.5% was applied, the total cost came to $179.35.How much money would Mistu have saved if she had used a coupon good for 10% discount?

    asked by Megan on January 6, 2011
  75. Pre-Algebra

    Three individuals form a partnership and agree to divide the profits equally. X invests $9,000, Y invests $7,000, Z invests $4,000. If the profits are $4,800, how much less does x receive compared to having the profits divided in proportion to the amounts

    asked by Steve on June 14, 2010
  76. Pre-algebra

    Factor the expression 14+21c

    asked by jj on April 21, 2010
  77. pre-algebra

    twenty more than three times a number is -4.

    asked by Katy on November 2, 2009
  78. pre-algebra

    In a number square, the sum of the numbers in each row, column, and main diagonal is the same. Find the sum of the number square. a 7 2 1 5 b 8 c 4

    asked by Nathan on September 28, 2009
  79. Pre-Algebra

    Express as a unit rate: $5 for 10 cans of soup.

    asked by Demi on May 19, 2009
  80. Pre-Algebra

    In a-c, explain what would happen to a figure if you transformed it using the given rule. a. (3x, 6y) b. (x+2, y+1) c. (2x, 2y +5)

    asked by Samantha on November 9, 2008
  81. Pre-Algebra

    Write a rule for this pattern.Fing the next three numbers in the pattern. 1,4,10,22,46,94 the answer that i came up with was that the pattern start with one add 3 and it goes by 3's or 6's. Please and Thank- you Can you see that each term after 1 is the

    asked by Bowier4 on September 3, 2006
  82. pre-algebra

    add or subtract (5x^2+x-3)-(-2x^3+4) a) -2x^3+5x^2+x-7 b) -2x^3+5x^2+x+1 c) 2x^3+5x^2+x-7******** d) 2x^3+5x^2+x+1

    asked by short on April 10, 2020
  83. Pre-algebra

    1. Find the slope A. 2 B.-1/2 C. -2 D.1/2 2. Find the slope of the line described her one variable changes in Relation to the other. A. 2; distance increases by 2 Miles per hour B.2; Distance decreases by 2 Miles Per hour C. 1/2; Distance increases 1 mile

    asked by 안녕 on April 6, 2020
  84. pre-algebra

    Admission to a zoo costs $10 for adults and $6 for children. A group of 29 people attending the zoo paid a total of $222 in admission fees. (Part a) Write a system of equations to represent the situation. Let a represent the number of adult admissions, and

    asked by Anonymous on February 18, 2020
  85. Pre-Algebra

    when Mrs. Stewart makes pie dough, she uses 2/3 cup of shortening for every 2 1/2 cups of flour which proportion could be used to find the amount of flour, x Mrs.stewart needs when she uses 5 cups of shortening

    asked by Kane Brown🥰 Is Bae🥰 on November 18, 2019
  86. Pre-Algebra

    1. What is the product of (5.1x10^3)x(3.2x10^3) A. 16.32 x 10^6 B. 1.632 x 10^7 C. 16.32 x 10^9 D. 1.632 x 10^10 2. What is the product of (7.28x10^-2)(9.1x10^-2) A. 6.6248 x 10^-3 B. 66.248 x 10^-4 C. 6.6248 x 10^4 D. 66.248 x 10^-3 3. What is the

    asked by DJ on September 24, 2019
  87. pre-algebra

    the forecast predicts that temperature will change from -15 degrees Fahrenheit to -3 degrees Fahrenheit on Saturday. PART A: Write an expression that represents the change in temperatures for Saturday. PART B: What is the expected temperature change? PART

    asked by Laura on July 25, 2019
  88. Pre-Algebra

    Directions: The traditional method for calculating a dog's age in dog years is to multiply its age in human years by 7. The chart below describes a different method some veterinarians use to estimate a dog's age based on its size. Size: Small Medium Large

    asked by killjoy on January 15, 2019
  89. pre-algebra

    Is √2/8 rational, or irrational?

    asked by BleakTuber on December 17, 2018
  90. pre-algebra

    Would someone please reword this? Note: Remember to show all of the steps that you use to solve the problem. Be sure to use the text box where the question mark (?) first appears to show your mathematical work. You can use the comments field to explain

    asked by BleakTuber on December 6, 2018
  91. Pre-Algebra

    Can someone check this? 11. Which of these nonterminating decimals can be converted into a rational number? ***a. 0.626226222... b. 0.020220222... c. 0.123123123... d. 0.898998999... Thanks for the help, Luna

    asked by Luna on October 22, 2018
  92. pre-algebra

    find the greatest common factor of 15

    asked by fardowsa on September 7, 2018
  93. Pre-Algebra

    which symbol will make |-8| ? 8 true A.) > B.) < C.) = D.)its a equal (=) sign with a line (/) though it and I don't know whats its called..sorry but I think its C

    asked by Audrey on August 24, 2018
  94. Pre-Algebra

    I have another Pythagorean theorem: word problem that has stumped me for the last time. The floor of storage unit is 12 meters long and 9 meters wide. What is the distance between two opposite corners of the floor? Thank you so much!

    asked by Evalyn Carver on May 17, 2018
  95. Pre-Algebra

    Can I have some help please. 4. (3x+4)(x - 2) A. 3x^2-2x-8 B. x-8 C. 3x-2x-8 D. 3x^2+2x+8 5. (2y-1)(4y-3) A. -2y+3 B. 8y^2-10y-3 C. 8y^2-10y+3 D. 8y^2-2y+3

    asked by Cammie on May 14, 2018
  96. Pre-Algebra

    A survey about the student government program at school finds of 245 students: • 218 students like the program • 27 students think the program is unnecessary If a circle graph were made from this data, what would the measure of the central angle be for

    asked by Buhgingi on March 8, 2018
  97. Pre-Algebra

    There are (24)2 ⋅ 20 books in a cupboard. What is the total number of books in the cupboard? 22 26 28 216

    asked by T on February 27, 2018
  98. Pre-Algebra

    If (92)p = 98, what is the value of p? 2 3 4 5 6

    asked by T on February 27, 2018
  99. Pre-Algebra

    9. During the basketball season, Diane took 134 shots and made about 56% of them. a. How many shots did Diane make? b. The team made a total of 498 shots. What percent of the team's made shots did Diane make? A. 24 shots; 15.1% B. 753 shots; 27% C. 240

    asked by Help me! on December 14, 2017
  100. Pre-Algebra

    1. Write the fraction 8/9 as a percent. Round to the nearest hundredth of a percent where necessary. A. 88.89% B. 1.13% C. 44.44% D. 66.67% 2. Write 0.063 as a percent. A. 0.63% B. 6.3% C. 63% D. 630% 3. A study in your town found that 54 in 1,762 people

    asked by Check Please on December 14, 2017

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