# Questions on Algebra: Operations with Signed Numbers answered by real tutors!

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 Algebra: Operations with Signed Numbers Solvers Lessons Answers archive Quiz In Depth

 Question 93221: how do i get 20 from only useing four fours Click here to see answer by Nate(3500)

 Question 93824: how would i get the answer to 23-(4/5 + 3/5) this is what i tried:: 23-(4/5 + 3/5) 23-(7/5) 23/1 - 7/5 -16/4 would that be correct??? Click here to see answer by stanbon(57303)

 Question 94358: How do i figure out 2 minus 3 minus 4 plus 5? and i need to show my work too. Click here to see answer by tutorcecilia(2152)
 Question 94358: How do i figure out 2 minus 3 minus 4 plus 5? and i need to show my work too. Click here to see answer by edjones(7569)

 Question 95314: WRITE AN ALEBRAIC EXPRESSION! THE SUM OF 18 AND A NUMBER 91 MORE THAN THE SQUARE OF A NUMBER TWO FIFTHS THE CUBE OF A NUMBER Click here to see answer by checkley71(8403)

 Question 95313: I DONT KNOW HOW 2 DO THIS @ ALL! IT SAY WRITE AN ALGEBRAIC EXPRESSION!....... 15 DECREASED BY TWICE A NUMBER THREE FOURTHS THE SQUARE OF B Click here to see answer by stanbon(57303)

 Question 95573: If m is the number of minutes a taxi rides lasts,then 2+0.35 can be used to find the coast of a taxi ride with Bill´s Taxi Company. How much will it cost for a 12-min taxi ride? Click here to see answer by tutorcecilia(2152)

 Question 95675: 3(x)-2(y)=12 can only use the number 5, 6, 7, 8, or 9 Click here to see answer by Edwin McCravy(8906)

 Question 96130: use operation symbols, parentheses, and the numbers 1,2,3, and 4 to express the numbers from 1 to 15. for examp;e, 2+3-(4x1)=1. Click here to see answer by jim_thompson5910(28550)

 Question 96346: What is the algebraic expression for three fourths the square of b? Click here to see answer by bucky(2189)

 Question 96544: the problem is: At Indianapolis Motor Speedway, one lap is 2.5 miles in length. the average speed of an Indy racing car is 190 miles per hour. Find the length of one lap in yards. ( show work ) and then it says: How many seconds would it take to complete one lap. I don't get how to set up the equation to solve it help! Click here to see answer by stanbon(57303)

 Question 96700: Good early morn; I am studying Perl on my own and have come to a halt. I understand that the ** means to the power of for instance 2 ** (3 ** 4) = 2 ** 81 then when I solve the next step and come up with a very large number 2417851639229258349412354. The answer that shows in the book on the same page is 2.41e24. I get how they came up with the 2.41 and I know that the e stands for (times 10) the next step is where I am lost. My Question is How would I figure out a problem such as this? Basically I would like to know the steps in solving the ending. I would truly appreciate the Help. Thank-You ahead of time. Kelley J Burke Click here to see answer by jim_thompson5910(28550)

 Question 97074: you can omly add,subtract,multiply, or divide.you must only use the number 9 six times to get the answer of 100. Click here to see answer by mathslover(135)

 Question 97635: fill in the balnks using order of operations 7 14 2 4 =24 Click here to see answer by jim_thompson5910(28550)

 Question 99202: hi i really need your help.I really dont know how to do this can you help me. it says to evaluate: 52 ÷ (-22 + 32) + 24 · (1/4) =   122 - 42 ÷ (-1/2) + 2 · (-3)2 = Click here to see answer by checkley71(8403)

 Question 99198: hi i have some hw and i really am stuck with no one to help me.Can you show me this problem so i can do the rest.This is really appreciative.thanks!!!!! These are what the variables mean Note:this is a fraction A=5 b=-6 c=-3 question-      [2b2 - a3 ÷ (8c - 1)] ÷ (-2a - 1) ___________________________________ 12c2 + 12b – 2a - 4    Click here to see answer by checkley71(8403)

 Question 99735: ok stuck on this one could someone please show me how to figure this one out 100+3{[2(3-5)+4]6+2[4+(-5]}+8 i'm lost help please Click here to see answer by checkley71(8403)

 Question 100421: 24u-6(8-4u)+52= Please show the steps to slove so I can use it as an example. Thanks, Bruce Click here to see answer by jim_thompson5910(28550)

 Question 100938: the one problem i cant get is 3.9-3.1+4.5^2 it's order of operation Click here to see answer by edjones(7569)

 Question 100775: 7[(24)/(8)*2+(2 to the 4th - 2 to the 3)] Click here to see answer by ckaeser(6)

 Question 102375: Pre-Algebra Chapter 3 Resource Book Lesson 3.3 Practice B (Don't know if this will help) Tell whether the given value of the variable is a solution of the equation. question 2: 4x + 13 = -9 -3(x+9); x = -7 4(-7) + 13 = -9 -3 (-7 + 9) -28 + 13 = -9 + 21 -27 12 = -15 x does not equal -7 Click here to see answer by jim_thompson5910(28550)

 Question 102370: Pre-Algebra Chapter 3 Resource Book Lesson 3.3 Practice B (Don't know if this will help) Tell whether the given value of the variable is a solution of the equation. question 2: 4x + 13 = -9 -3(x+9); x = -7 Click here to see answer by bucky(2189)

 Question 104309: When you are working with Integers in Math, how do you solve Multiplication using like and unlike signs? Click here to see answer by doukungfoo(195)

 Question 104584: In Math when you are dealing with Integers and Division, how do you divide with Like and Unlike signs? Click here to see answer by cheesey(22)

 Question 104596: In Math when you are dealing with Integers and Division, how do you divide with Like and Unlike signs? Click here to see answer by tutorcecilia(2152)
 Question 104596: In Math when you are dealing with Integers and Division, how do you divide with Like and Unlike signs? Click here to see answer by doukungfoo(195)