Tutors Answer Your Questions about Signed-numbers (FREE)
Question 212334: Insert the correct operation into the following set of numbers to equal 34 in the boxes below. Fill in the operations that make this statement true. Each operation can be used only once.
81 ____ 21 _____ 3 ____ 7 ___ 2 = 34
Click here to see answer by Mathboy(2) |
Question 218303: 1. we have learned that the associative property does not hold for subtraction.
That is, in general,
(a - b) - c ≠ a - (b - c).
Your task is to:
a. find distinct ingtegers a,b,c such that (a - b) - c = a - (b - c).
b. PROVE that your integers work by substituting and simplifying the equation.
Click here to see answer by solver91311(24713)  |
Question 219906: Hi, my names Marlene and I am having trouble with this problem in Pre-Algebra. It is order of operations just looking at it confuses me. Here it is...
(100-85)x5+81/9x2-3(72-60)/4-(11+5)+5x9/3=
Click here to see answer by rfer(16322) |
Question 220214: Okay. Heres a question I absolutely do NOT get.
If a certain number is decreased by 8 and that difference is multiplied by 8, the result is equal to the result obtained if the number is decreased by 6 and that difference is multiplied by 6. Find the numbers.
In my opinion this is a make-believe question :(
Help please.
Click here to see answer by solver91311(24713)  |
Question 223844: so i have this test tomorrow and i do not understand how to determine what r equals.PLEASE HELP ME!
so the question says determine the value of r so that the line passes through each pair of points has the given slope.
(r,4)(7,1)with m=3/4.
step by step how do i solve this??
Click here to see answer by rfer(16322) |
Question 223844: so i have this test tomorrow and i do not understand how to determine what r equals.PLEASE HELP ME!
so the question says determine the value of r so that the line passes through each pair of points has the given slope.
(r,4)(7,1)with m=3/4.
step by step how do i solve this??
Click here to see answer by MathTherapy(10551)  |
Question 227211: I'm in the 6th grade.My question is:Integer rules when the signs are different you are supposed to subtract,are they talking about the signs in paranthes
EX is (+9)+(-8)= the two signs are different so do i just subtract both now,because the signs in parantheses are different
Click here to see answer by Theo(13342)  |
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