The second option is the answer
To find the range of these scores, we must take the largest scores and subtract the smallest from it.
The largest score is 99, and the smallest score is 80.
99 - 80 = 19
Answer:
The answer is D.
Step-by-step explanation:
Answer:
2) ![\frac{\sqrt{77}}{11}](https://tex.z-dn.net/?f=%5Cfrac%7B%5Csqrt%7B77%7D%7D%7B11%7D)
3) 5√2
Step-by-step explanation:
Simplest radical form of an expression is the expression in radical so that there are no more square roots, cube roots, 4th roots, etc left to find, after rationalising the denominator ( if needed ).
2. Here the given expressions,
![\frac{\sqrt{7}}{\sqrt{11}}](https://tex.z-dn.net/?f=%5Cfrac%7B%5Csqrt%7B7%7D%7D%7B%5Csqrt%7B11%7D%7D)
For rationalising the denominator multiply both numerator and denominator by √11,
![\frac{\sqrt{77}}{11}](https://tex.z-dn.net/?f=%5Cfrac%7B%5Csqrt%7B77%7D%7D%7B11%7D)
3. given expression,
![\sqrt{50}](https://tex.z-dn.net/?f=%5Csqrt%7B50%7D)
![=\sqrt{25\times 2}](https://tex.z-dn.net/?f=%3D%5Csqrt%7B25%5Ctimes%202%7D)
![(\because \sqrt{ab}=\sqrt{a}\sqrt{b})](https://tex.z-dn.net/?f=%28%5Cbecause%20%5Csqrt%7Bab%7D%3D%5Csqrt%7Ba%7D%5Csqrt%7Bb%7D%29)
![=5\sqrt{2}](https://tex.z-dn.net/?f=%3D5%5Csqrt%7B2%7D)
Since the values are the same on both sides the matrix value is a=1