Math help only three questions?
Question 5 (Multiple Choice Worth 2 points) The sum of a number and two-ninths is one and one-third. What is the number? one-ninth negative one-ninth one and one ninth negative one and one ninth Question 6 (Multiple Choice Worth 2 points) Solve for k. k minus five-twelfths equals negative four-twelfths k equals negative three-fourths k equals negative one-twelfth k equals three-fourths k equals one-twelfth Question 7 (Multiple Choice Worth 2 points) The perimeter of a rectangular store receipt is ten and five-sixths inches. If three of the sides total eight and one-half inches, what is the length of the fourth side? two and one-sixth inches two and one-third inches 3 inches three and one-twelfth inches
Math help only three questions?
Question 1 (Multiple Choice Worth 2 points) Which number is greater than three point two five times ten to the thirtieth power? eight point seven five times ten to the twenty−eighth power three point two six times ten to the twenty−ninth power two point two five times ten to the twenty−fifth power one point seven five times ten to the thirty−second power Question 2 (Multiple Choice Worth 2 points) How many places to the left should the decimal point be moved to write seven point two times ten to the negative ninth power in standard form? 7 8 9 ten Question 3 (Multiple Choice Worth 2 points) Convert four billion seven hundred million from standard form to scientific notation. four hundred seventy times ten to the seventh power forty−seven times ten to the eighth power four point seven times ten to the ninth power forty−seven to the eighth power
Math help only three questions?
Question 5 (Multiple Choice Worth 2 points) Preston began solving the following equation. His work so far is shown. What should Preston do next? k divided by four plus one-eighth equals seven-eighths; one-eighth is subtracted from both sides of the equation; k divided by four equals six-eighths Multiply both sides of the equation by 4. Divide both sides of the equation by 4. Multiply both sides of the equation by 6. Add six-eighths to both sides of the equation. Question 6 (Multiple Choice Worth 2 points) A teacher set up groups of three students to work together. She asked them to solve the equation independently, then check their answers with each other. Here are the results: x divided by three minus two-fifths equals negative one-fifth Chet: x equals negative three-fifths Lauren: x equals one and four-fifths Bradley: x equals three-fifths Which student found with the correct answer? Chet Lauren Bradley None of them Question 7 (Multiple Choice Worth 2 points) Solve the equation one-half times x plus three-fourths equals one-fourth for x. x equals one-fourth x equals negative one-fourth x equals 1 x equals negative 1
Math Help? three questions?
At which point does the line y = 2 - x intersect the circle (x - 3)2 + y2 = 25? A) (1, 3) and (6, 4) B) 6, 1) and (3, -4) C) (6, -1) and (3, 4) D) (-1, 3) and (6, -4) Devon has 14 steel balls of equal weight. If he puts 8 of them in one pan of a balance, and the rest along with a weight of 20 grams in the other pan, the pans balance each other. Which equation can be used to find the weight of each steel ball? A) 8x = 26x B) 8x = 120x C) 8x + 20 = 6x D) 8x = 6x + 20 <<< my answer Given f(x) = (2x-5)/(3x+7) what is f(f-1(3))? A) -3 B) 1/16 C) 1/3 D) 3 Thanks :)
Consumer Math Help? Just 3 Questions!?
I need help on just 3 questions of consumer math!! ----------------------- 1. The three-legged stool deals with _____. A. checking accounts, savings accounts, and investment accounts B. checking accounts, savings accounts, and retirement planning C. different types of retirement savings plans D. budgeting, retirement planning, and investment accounts 2. Social security is a payment from _____. A. the United States government B. a pension plan C. a state government D. a private investment 3. When an asset increases in value, it is said to _____. A. depreciate B. be at market value C. appreciate D. have valuized -------------------------- Thanks SO Much!! (:
Stuck on my last three math questions left here. Any help?
What is 307,495 rounded to the nearest thousand? A: 307,400 B: 310,000 C: 308,000 D: 307,000 What is the product of 713 and 82 ? 631 right? Product of is the same as sum correct? I'm really rusty, and working on it here =) And last but not least lol In the problem 10-4=6, what is the correct term for the number 4??? A: Product B: Minuend C: Subtrahend D: Difference Isn't D correct ? Difference?? Ugh..might have them worked out before I get any extra help, but would appreciate any help out there on these last ones I have....=)
Need help at math please just three questions?
1. 12 + 2(x - 5) = 5(x - 3) -- First you must distribute through the parenthesis 12 + 2x - 10 = 5x - 15 -- Now combine like terms 2 + 2x = 5x - 15 2 + 15 = 5x - 2x 17 = 3x 17/3 = x check... 12 + 2(x - 5) = 5(x - 3) 12 + 2(17/3 - 5) = 5(17/3 - 3) 12 + 2(85/15 - 75/15) = 5(17/3 - 9/3) 12 + 2(2/3) = 5(8/3) 12 + 4/3 = 40/3 36/3 + 4/3 = 40/3 40/3 = 40/3 )correct) ANSWER : x = 17/3 2. 15 - 4(x - 2) = 7(x + 2) 15 - 4x + 8 = 7x + 14 23 - 4x = 7x + 14 23 - 14 = 7x + 4x 9 = 11x 9/11 = x check... 15 - 4(x - 2) = 7(x + 2) 15 - 4(9/11 - 2) = 7(9/11 + 2) 15 - 4(18/22 - 44/22) = 7(18/22 + 44/22) 15 - 4(- 26/22) = 7(62/22) 15 + 104/22 = 434/22 330/22 + 104/22 = 434/22 434/22 = 434/22 (correct) ANSWER : x = 9/11 3. 5 + 2(x + 3) = - 3(x + 2) 5 + 2x + 6 = - 3x - 6 11 + 2x = - 3x - 6 11 + 6 = -3x - 2x 17 = - 5x - 17/5 = x check... 5 + 2(-17/5 + 3) = -3(-17/5 + 2) 5 + 2(- 51/15 + 45/15) = -3(- 34/10 + 20/10) 5 + 2(- 6/15) = -3(- 14/10) 5 - 12/15 = 42/10 75/15 - 12/15 = 42/10 63/15 = 42/10 21/5 = 21/5 (correct) ANSWER : x = - 17/5
Math help!? three questions im stuck on?
1.) a plane intersects a double napped cone so that it contains the generating line which geometric shape is formed a. Circle b. Parabola c. Point d. Line 2. The center of the circle is at (-2,3) and it has a radius of 3 What is the equation of the circle a. (x+2)^2 + (y-3)^2 = 9 <<< my answer b. (x+2)^2 + (y-3)^2 = 3 c. (x-2)^2 + (y-3)^2 = 9 d. (x-2)^2 + (y-3)^2 = 3 3. The equation of the ellipse is shown (x+3)^2 / 225 + (y + 8)^2 / 81 = 1 What are the coordinates of the foci? A. (-3, -20) and (-3, 4) B. (3, -4) and (3, 20) C. (-9, 8) and (15, 8) <<< my answer D. (-15, -8) and (9, -8) Thank You For any help!
Consumer Math please help these are the last three questions i dont get?
5. Ray Cupple bought a basic car costing $10,150.00, with options costing $738.00. There is a 6% sales tax in his state and a combined $50.00 license and registration fee. What was Ray's total cost? A. $10,938.00 B. $11,541.28 C. $11,547.00 D. $11,591.28 6. The Hamilton Brush Company issued 2,500 shares of common stock worth $100,000.00 total. What is the par value of each share? A. $25.00 B. $40.00 C. $400.00 D. $250.00 11. The Emerson First National Bank is lending you money to buy a new car. The loan agreement will probably state that you must carry _______ insurance. A. liability B. collision C. no-fault D. medical
Math help! Sooo confused!!! 3 questions.?
Assign the variable to the one where no info is given. Become familiar with the signal words and phrases(6 more than, 3 times, 8 less than, twice, etc.) to translate information given. 1st = x 2nd = 3x + 6 x + 3x + 6 = 38 4x + 6 = 38 4x = 32 x = 8 1st = 8, 2nd = 30, sum = 38 width = w length = 2w - 8 P = 2(l + w) = 260 l + w = 130 2w - 8 + w = 130 3w - 8 = 130 3w = 138 w = 46 width = 46, length = 84, P = 260 x = original salary 8% raise means + .08x 1.08x = 1620 x = 1620/1.08 x = 1500 salary before = $1500