What's the given quantity?
Answer:
correct
Step-by-step explanation:
I believe the correct answer would be that it has one solution which is 5. Calculating x for the quadratic equation, you will only get one value so it should be one solution. Hope this answers the question. Have a nice day.
Answer:
22.8
Step-by-step explanation:
![a^{2} +b^{2} =c^{2} \\20^{2} +11^{2} =x^{2} \\400+121=x^{2}\\\sqrt{521} =x\\\\or\\\\22.8 = x](https://tex.z-dn.net/?f=a%5E%7B2%7D%20%2Bb%5E%7B2%7D%20%3Dc%5E%7B2%7D%20%5C%5C20%5E%7B2%7D%20%2B11%5E%7B2%7D%20%3Dx%5E%7B2%7D%20%5C%5C400%2B121%3Dx%5E%7B2%7D%5C%5C%5Csqrt%7B521%7D%20%3Dx%5C%5C%5C%5Cor%5C%5C%5C%5C22.8%20%3D%20x)