Answer:
it should be 47 because of (3x-4)
Step-by-step explanation:
Answer: -1
Step-by-step explanation:
-4-0=-4
2-(-2=4
-4/4=-1
Answer:
1. $60 2. $233.20
Step-by-step explanation:
That is the answer
Answer:
![\large\boxed{\sqrt{27y^8}=3y^4\sqrt3}](https://tex.z-dn.net/?f=%5Clarge%5Cboxed%7B%5Csqrt%7B27y%5E8%7D%3D3y%5E4%5Csqrt3%7D)
Step-by-step explanation:
![\sqrt{27y^8}=\sqrt{9\cdot3\cdot y^{4\cdot2}}\\\\\text{Use}\ \sqrt{ab}=\sqrt{a}\cdot\sqrt{b},\ (a^n)^m=a^{nm}\ \text{and}\ \sqrt{a^2}=a\\\\=\sqrt9\cdot\sqrt3\cdot\sqrt{(y^4)^2}=3\cdot\sqrt3\cdot y^4=3y^4\sqrt3](https://tex.z-dn.net/?f=%5Csqrt%7B27y%5E8%7D%3D%5Csqrt%7B9%5Ccdot3%5Ccdot%20y%5E%7B4%5Ccdot2%7D%7D%5C%5C%5C%5C%5Ctext%7BUse%7D%5C%20%5Csqrt%7Bab%7D%3D%5Csqrt%7Ba%7D%5Ccdot%5Csqrt%7Bb%7D%2C%5C%20%28a%5En%29%5Em%3Da%5E%7Bnm%7D%5C%20%5Ctext%7Band%7D%5C%20%5Csqrt%7Ba%5E2%7D%3Da%5C%5C%5C%5C%3D%5Csqrt9%5Ccdot%5Csqrt3%5Ccdot%5Csqrt%7B%28y%5E4%29%5E2%7D%3D3%5Ccdot%5Csqrt3%5Ccdot%20y%5E4%3D3y%5E4%5Csqrt3)
This may not help at all but the answer to number 7 is C.