# Questions on Algebra: Real numbers, Irrational numbers, etc answered by real tutors!

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 Algebra: Real numbers, Irrational numbers, etc Solvers Lessons Answers archive Quiz In Depth

 Question 238194: Write each of the following square roots in the form a√b, where a and b are integers and b has the least value possible. For example, √180=6√5. 1. √360 2. √40 3. √240 Please, please help! Thank you. Click here to see answer by solver91311(17077)

 Question 238188: Knowing that √2 is an irrational number, argue that √2/2 is also an irrational number. Please help. Even just some ideas would be great. Thank you! Click here to see answer by Theo(3504)

 Question 238843: Find the distance between the given numbers. (a) 7/15 and -1/24 Click here to see answer by rfer(12731)

 Question 238854: If Jessica only spent 20% instead of the 25% allotment for food in May of 2001, how much did she save? Click here to see answer by checkley77(12569)

 Question 239795: 1.integer _______=undefined 0 2.what kind of integer is ZERO? Click here to see answer by College Student(505)

 Question 239507: how would you begin to solve this problem 1+i over 1+2i + 1-i over 1-2i Click here to see answer by Alan3354(31538)

 Question 241267: when I worked on to problems using the elimination method I came up with 0=0 in both equations. Is this a solution or non solution or infinite solution Click here to see answer by rapaljer(4667)

 Question 241319: what makes a number to be called irration? Click here to see answer by Theo(3504)

 Question 240925: Find two consecutive even integers such that the sum of the larger and three times the smaller is 234 Click here to see answer by College Student(505)

 Question 242796: Sunflower seeds are packed in packages each weighing 3 & 1/4 ounces. If there is a supply of 15 & 1/2 pounds of sunflower seeds, how many packages of seeds can be packed? How many ounces of sunflower seeds will be left over? (16 oz. = 1 pound) Click here to see answer by oberobic(2304)

 Question 242615: show that only one out of n, n+2 or n+4 is divisible by 3 where n is positive integer. Click here to see answer by Edwin McCravy(8999)

 Question 242587: how do you do you get the roots of Click here to see answer by ankor@dixie-net.com(15747)

 Question 242614: Prove that no number of the type 4k+2 be a perfect square. Click here to see answer by Edwin McCravy(8999)

 Question 243432: a 12 foot tree casts a 16 foot shadow. How many feet tall is a nearby tree that casts a 20 foot shadow at the same time ? Click here to see answer by checkley77(12569)

 Question 244561: what are 5 different integers that their average will equal -11 Click here to see answer by Edwin McCravy(8999)

 Question 245913: This is in my text and I have tried to solve problem listed below. I asking the on how to solve. Someone else did it a different way but confusing. It say's to complete each ordered pair so that it satisfies the given equation. y = 2x - 5: (8, ), (-1, ), (- ,-1) I tried steps but get confused and someone else say's its incorrect. I could use some guidance. Click here to see answer by solver91311(17077)
 Question 245913: This is in my text and I have tried to solve problem listed below. I asking the on how to solve. Someone else did it a different way but confusing. It say's to complete each ordered pair so that it satisfies the given equation. y = 2x - 5: (8, ), (-1, ), (- ,-1) I tried steps but get confused and someone else say's its incorrect. I could use some guidance. Click here to see answer by rfer(12731)
 Question 245913: This is in my text and I have tried to solve problem listed below. I asking the on how to solve. Someone else did it a different way but confusing. It say's to complete each ordered pair so that it satisfies the given equation. y = 2x - 5: (8, ), (-1, ), (- ,-1) I tried steps but get confused and someone else say's its incorrect. I could use some guidance. Click here to see answer by stanbon(57984)

 Question 246131: When dividing by a negative number in an inequality, do I switch the signs around? Thank you Click here to see answer by stanbon(57984)

 Question 246215: What is the domain of g(x)=sqrroot of 5x-75 in interval notation? 5x-75 is all under the square root sign. Thanks Click here to see answer by dabanfield(803)

 Question 246294: Suppose that a is a negative real number. Determine whether each of the following is positive or negative, and explain your answer. . a) -a b) |-a| c)-|a| d) -(-a) e)-|-a| Click here to see answer by College Student(505)

 Question 246735: twenty times the square of a non zero number is equal to 15 times the number Click here to see answer by dabanfield(803)