<span>"An </span>irrational number<span> can't be expressed as a ratio between 2 </span>numbers,<span> it can't be written as a simple fraction because there is not a finite </span>number<span> of </span>numbers<span> when written as a decimal. The </span>numbers<span> in the decimal would go on forever, without repeating.</span>
I think so the answer is D:1/4*5/8=5/32
2,500 yea is that what you were looking for
Answer:
40/9
Step-by-step explanation:
Use the work formula, + = , where A is the amount of time it takes one person, B is the amount of time it takes another person, and T is the time it takes for them to work together.
Plug in the times for David and Alex alone:
+ =
Find the least common denominator, which is 40.
+ =
=
Cross multiply and solve for T:
9T = 40
T = 40/9
So, if they worked together, it would take them 40/9 hours
Answer:
4y^2-36y+81
Step-by-step explanation:
first inside outside last (FOIL)
4y^2-18y-18y+81
4y^2-36y+81