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Well, honey, a rational number is any number that can be expressed as a fraction, where the numerator and denominator are both integers. So, if you can write 15 over 4 as a fraction (15/4), then yes, it's a rational number. Don't stress, math can be a real pain in the behind sometimes, but this one's a no-brainer.
What else can I help you with?
Is 4 over 10 rational number?
Yes 4/10 or 2/5 is a rational number because it can be expressed as a fraction
Is 21 over the square root of 4 a rational or irrational?
It is equal to 21/2 which is a rational number
Is 4 over 3 rational or irrational?
4/3 is irrational because it is as follows 4/3=1.333 (1.333 continuing )
Is 4 over 9 squared rational or irrational?
Any number that can be written as a fraction is rational -- therefore, 4/9 squared is rational (it can still be written as a fraction even if you multiply it by itself).
Is 4 32 rational or irrational?
It is a rational number
This is a rational number 4 over 15?
TRUE
Write this rational number in decimal form 15 over 4?
3.75
Is 4 with a line over it a rational number?
Rational.
Is three over four a rational number?
Yes, 3/4 is a rational number
Is negative 3 over 4 an irrational number?
No. An irrational number is any number that is not a rational number; A rational number is any number that can be expressed as one integer over another integer. negative 3 over 4 is one integer (negative 3) over another integer (4), and so is a rational number.
Is -144 over 4 a rational number?
Yes. It's the ratio of -144 and 4. That makes it a rational number by definition.
Is -52 over 4 a rational number?
Any number that can be expressed as a fraction is rational. So yes.
Is .4 over .8 rational or itrational?
.4/.8 is the same as 1/2 which is a rational number
Is 4 over 10 rational number?
Yes 4/10 or 2/5 is a rational number because it can be expressed as a fraction
Is 2 over 4 a rational number?
Yes.
Is 4 not a rational number?
4 is a rational number. Any number is rational as long as it can be put into a fraction or ratio. In other words, 4 is a rational number because if you want to express 4 as a fraction, you would just put it over 1; 4 is the numerator, and 1 is the denominator in this case.
What rational numbers are equal to 12 over 15?
4/5
