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iVinArrow [24]
3 years ago
5

In ΔGHI, h = 510 inches, ∠G=25° and ∠H=122°. Find the length of g, to the nearest inch.

Mathematics
1 answer:
Licemer1 [7]3 years ago
8 0

9514 1404 393

Answer:

  254 in

Step-by-step explanation:

The Law of Sines tells you ...

  g/sin(G) = h/sin(H)

  g = h(sin(G)/sin(H)) = 510 in(0.42262/0.84805)

  g ≈ 254.15

The length of g is about 254 inches.

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Answer:

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Step-by-step explanation:

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2 years ago
Three times the square of a certain positive number exceeds six times the number by nine. find the number:
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3 years ago
A hospital uses cobalt-60 in its radiotherapy treatments for cancer patients. Cobalt-60 has a half-life of 7
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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
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  • 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}    

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

I hope it helps you!

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