Table of Contents
- 1 How many ordered pairs of integers x/y are there such that 0 <| xy |< 36?
- 2 How many pairs of X and Y satisfy the equation 1 2x 1 y 1 3?
- 3 How many ordered pairs of integers satisfy the equation 1 x 1 y 1 12?
- 4 How many ordered pairs satisfy the equation MN 2m 2n if?
- 5 What is x if X and y equal 0?
- 6 Can X and Y be positive and negative and vice versa?
How many ordered pairs of integers x/y are there such that 0 <| xy |< 36?
Problem 1 How many ordered pairs of integers (x, y) are there such that 0 < |xy| < 36? Answer: 524.
How many ordered pairs of positive integers x/y satisfy the inequality 2x 3y 10 a one?
How many ordered pairs satisfy the inequality 2x+3y<10? There will be an infinite set of points that satisfy the inequality 2x+3y<10.
How many pairs of X and Y satisfy the equation 1 2x 1 y 1 3?
Explanation: Only 3 pairs {(30,6), (10,10), (6,30)} satisfy the given equation.
How many ordered pairs of integer x/y )( x/y are there such that their product is a positive integer less than 100?
How many ordered pairs of integer (x,y)(x,y) are there such that their product is a positive integer less than 100. Given 0 x and y are either both positive or both negative. Also given (x,y) is not equal to (y,x). Thus can take 198−1=197 pairs.
How many ordered pairs of integers satisfy the equation 1 x 1 y 1 12?
Hence, there are total of 15 ordered pairs.
For what value of k for which the system KX 2y 5 and 3x Y 1 has no solution?
Hence, the given system of equations will have no solution, if k=6.
How many ordered pairs satisfy the equation MN 2m 2n if?
Answer: Thus we have obtained six pairs of that satisfy the given equation.
How do I find ordered pairs?
Ordered pairs are often used to represent two variables. When we write (x, y) = (7, – 2), we mean x = 7 and y = – 2. The number which corresponds to the value of x is called the x-coordinate and the number which corresponds to the value of y is called the y-coordinate.
What is x if X and y equal 0?
If x or y equal 0, then x and y equal 0. We have at least one solution : (x, y) = (0,0), and we can now assume that x != 0 and y != 0 Also, it is obvious that x and y can’t be positive & negative or negative & positive, otherwise we would have x + y = 0. |x| = |y| and they have the same sign, which means x = y.
Why is x = -1/2 not equal to 2/3?
For example x = -2 would not work because although -1/2 is less than 1/4, -1/2 is greater than -2/3, not less than. The same thing for x = 2. -1/2 is less than 2/3, but 2/3 is not less than 1/4. So we only have two values for x: 0 and 1.
Can X and Y be positive and negative and vice versa?
Also, it is obvious that x and y can’t be positive & negative or negative & positive, otherwise we would have x + y = 0. |x| = |y| and they have the same sign, which means x = y. (0,0) and (1, 1) are the only solutions!
How many divisors does 10 have?
So a and b have to have the same parity.” 10! = 2 8 ⋅ 3 4 ⋅ 5 2 ⋅ 7 1 ⟹ ( 8 + 1) ( 4 + 1) ( 2 + 1) ( 1 + 1) = 270 divisors in 10! . Since 10! is an even number, each divisor must be even so that x and y will come out as integers when the divisors are added or subtracted and subsequently divided by 2.