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mylen [45]
3 years ago
15

654x67 Quien me ayuda please

Mathematics
2 answers:
Likurg_2 [28]3 years ago
3 0
The answer is 43,818
Firlakuza [10]3 years ago
3 0

Answer: 43818

Step-by-step explanation:

¡Esta es la respuesta, espero que haya ayudado!

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Please help me!!!!!!!!!!!!!!!
Ainat [17]

r = 7.53 so d = 2r = 2(7.53) = 15.06 cm

Area of square = d^2 / 2 = (15.06)^2 / 2 = 113.41 cm^2

Area of circle = 3.14 (7.53)^2 = 178.04 cm^2

Area of yellow region = Area of circle - Area of square

Area of yellow region = 178.04 cm^2 - 113.41 cm^2

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7 0
2 years ago
Please need help please
Marianna [84]

Answer:

D is the correct answer! Hope it hepls!

Step-by-step explanation:

Please mark brainliest!

5 0
3 years ago
A hospital uses cobalt-60 in its radiotherapy treatments for cancer patients. Cobalt-60 has a half-life of 7
NeTakaya

Answer:

We have 197 g of Co-60 after 18 months.

Step-by-step explanation:

We can use the decay equation.

M_{f}=M_{i}e^{-\lambda t}

Where:

  • M(f) and M(i) are the final and initial mass respectively
  • λ is the decay constant (ln(2)/t(1/2))
  • t(1/2) is the half-life of Co
  • t is the time at the final amount of m

M_{f}=228e^{-\frac{ln(2)}{7} 1.5}    

M_{f}=197\: g    

<u>Therefore, we have 197 g of Co-60 after 18 months.</u>

I hope it helps you!

4 0
3 years ago
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