Huilan's age is two times Thomas's age. The sum of their ages is 27. What is Thomas's age?
1 answer:
Answer:
pretty sure it’s 13 or 13.5
Step-by-step explanation:
27 divided by 2 is 13.5
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Answer:
The answer is "2 years".
Step-by-step explanation:
Given:
![\to P(t) = 493\times4^{\frac{t}{2}}](https://tex.z-dn.net/?f=%5Cto%20P%28t%29%20%3D%20493%5Ctimes4%5E%7B%5Cfrac%7Bt%7D%7B2%7D%7D)
when t=0
![P(0) = 493\times4^{\frac{0}{2}}\\\\](https://tex.z-dn.net/?f=P%280%29%20%3D%20493%5Ctimes4%5E%7B%5Cfrac%7B0%7D%7B2%7D%7D%5C%5C%5C%5C)
Calculating the quadrupling time:
![\to P(t) = 4 \times P(0) \\\\](https://tex.z-dn.net/?f=%5Cto%20P%28t%29%20%3D%204%20%5Ctimes%20P%280%29%20%5C%5C%5C%5C)
Solving
720 degrees = 12.566 radians
Answer:
Step-by-step explanation:
2145
Step-by-step explanation:
12.5÷100 × 5
=0.125×5
=0.625
For this case we have:
Expression 1:
![\frac {2m ^ 2-4m} {2 (m-2)} = \frac {2m (m-2)} {2 (m-2)} = m](https://tex.z-dn.net/?f=%5Cfrac%20%7B2m%20%5E%202-4m%7D%20%7B2%20%28m-2%29%7D%20%3D%20%5Cfrac%20%7B2m%20%28m-2%29%7D%20%7B2%20%28m-2%29%7D%20%3D%20m)
Expression 2:
![\frac {m ^ 2-2m + 1} {(m-1)} = \frac {(m-1) (m-1)} {(m-1)} = (m-1)](https://tex.z-dn.net/?f=%5Cfrac%20%7Bm%20%5E%202-2m%20%2B%201%7D%20%7B%28m-1%29%7D%20%3D%20%5Cfrac%20%7B%28m-1%29%20%28m-1%29%7D%20%7B%28m-1%29%7D%20%3D%20%28m-1%29)
Expression 3:
![\frac {m ^ 2-3m + 2} {m ^ 2-m} = \frac {(m-2) (m-1)} {m (m-1)} = \frac {(m-2) } {m}](https://tex.z-dn.net/?f=%5Cfrac%20%7Bm%20%5E%202-3m%20%2B%202%7D%20%7Bm%20%5E%202-m%7D%20%3D%20%5Cfrac%20%7B%28m-2%29%20%28m-1%29%7D%20%7Bm%20%28m-1%29%7D%20%3D%20%5Cfrac%20%7B%28m-2%29%20%7D%20%7Bm%7D)
Expression 4:
![\frac {m ^ 2-m-2} {m ^ 2-1} = \frac {(m-2) (m + 1)} {(m + 1) (m-1)} = \frac {( m-2)} {(m-1)}](https://tex.z-dn.net/?f=%5Cfrac%20%7Bm%20%5E%202-m-2%7D%20%7Bm%20%5E%202-1%7D%20%3D%20%5Cfrac%20%7B%28m-2%29%20%28m%20%2B%201%29%7D%20%7B%28m%20%2B%201%29%20%28m-1%29%7D%20%3D%20%5Cfrac%20%7B%28%20m-2%29%7D%20%7B%28m-1%29%7D)
Answer:
1.D
2.B
3.A
4.C