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The sum of two consecutive positive even integers is 340 what are the integers?
There are no such integers. Proof: choose any positive whole number x two consecutive even integers: (2x) (2x+2) Take the sum (2x)+(2x+2) (2x)+(2x+2)=340 4x+2=340 4x=338 x=338/4=84.5 Since this is not a whole number, there is no whole number that satisfies the conditions. (There are two consecutive odd integers which add up to 340: 169 and 171)
Does the equation 2x plus 6y equals 35 have any whole-number solutions Why or why not?
no
What is the LCM of 2x-2 4x-12?
4x2 - 16x + 12
What is the largest multiple of 3 and 7?
There is no such number. Since if x were the largest multiple of 3 and 7 then what about 2x? 2x would be a multiple of 3 since x is a multiple of 3; 2x would be a multiple of 7 since x is a multiple of 7; and 2x is bigger than x. So x cannot be the largest.
What is the sum of two consecutive whole numbers?
The sum of any two consecutive whole numbers is always odd, and equal to one more than twice the first number (2x+1).
What does it mean when it says list the first five nonzero multiples of each number?
Take the first number. Add it to itself. Keep adding that number to the total three more times. The first five nonzero multiples of 9 are 9, 18, 27, 36, and 45. Put another way, let each number equal x. The first five nonzero multiples of x are 1x, 2x, 3x, 4x and 5x.
What does LCM look like?
2x
What is the LCM of 2x plus y and 2x plus y?
The least common multiple (LCM) of two identical expressions, such as 2x + y and 2x + y, is simply the expression itself. In this case, the LCM of 2x + y and 2x + y is 2x + y. This is because the LCM is the smallest expression that both 2x + y and 2x + y can divide into evenly without leaving a remainder.
The sum of two consecutive positive even integers is 340 what are the integers?
There are no such integers. Proof: choose any positive whole number x two consecutive even integers: (2x) (2x+2) Take the sum (2x)+(2x+2) (2x)+(2x+2)=340 4x+2=340 4x=338 x=338/4=84.5 Since this is not a whole number, there is no whole number that satisfies the conditions. (There are two consecutive odd integers which add up to 340: 169 and 171)
What is the LCM of 2x 5y 15xy?
30xy
Does the equation 2x plus 6y equals 35 have any whole-number solutions Why or why not?
no
What is the LCM of 2x-2 4x-12?
4x2 - 16x + 12
What is the LCM of 5 6 15?
5 is 56 is 2x 315 is 3 x 5then the LCM is 5 x 2 x 3 = 30
1 more than 8 times a whole number is 25 more than 2 times that number?
Let the unknown number be x: 8x+1 = 2x+25 8x-2x = 25-1 6x = 24 x = 4
What is the largest multiple of 3 and 7?
There is no such number. Since if x were the largest multiple of 3 and 7 then what about 2x? 2x would be a multiple of 3 since x is a multiple of 3; 2x would be a multiple of 7 since x is a multiple of 7; and 2x is bigger than x. So x cannot be the largest.
How do you perform 2x plus 2y and raise the whole thing to the negative one?
The answer to your question is (2x + 2y)^-1 = 1/(2x + 2y)^1. When you raise a number to a negative power, you can rewrite it by dividing one by the original number with the negative sign dropped from the exponent. Because the power here is 1, you can rewrite the answer again to 1/(2x + 2y) since any number raised to the power of 1 is simply the number itself. You can't add 2x and 2y because they are two different variables.
If 12 is decreased by twice a number is -7 what is the number?
Let the number be x 12-2x = -7 -2x = -7-12 -2x = -19 x = 9.5
