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dolphi86 [110]
3 years ago
6

Find the half life of an element which decays by 3.409% each day

Mathematics
1 answer:
vodomira [7]3 years ago
7 0

Answer:

The half-life of a radioactive isotope is 140  How many days would it take for the decay rate of a sample of this isotope to fall to one-fourth of its initial value?

Step-by-step explanation:

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11 3/8 would be the simplified version and 91/8 would be the other way.
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Two integers have a sum of -44 and a difference of 22. The greater of the two integers is
Leni [432]

Answer:

  -11

Step-by-step explanation:

The generic solution to ...

  • a + b = sum
  • a - b = difference

Can be found by adding the two equations:

  (a+b) + (a-b) = (sum) + (difference)

  2a = (sum + difference)

  a = (sum + difference)/2

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Our particular solution is ...

  a = (-44 +22)/2 = -11

The greater of the two numbers is -11.

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The other number is -33.

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Which statement(s) could be used to prove RTS TRU?
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Movies at the rental store are $3.75 each. Snacks and drinks are $1.89 each. Round each amount to the nearest dollar to estimate
Troyanec [42]

The estimate the total cost to rent 3 movies and buy popcorn, a soda, and a candy bar is $18. option C

<h3>Total cost</h3>

This is the summation of all units cost of items or the results of adding all cost(fixed and variable)

Cost of movies = $3.75

= $4.00 to the nearest dollar

Cost of snacks (drinks, popcorn, candy bars) = $1.89 each

= $2.00 to the nearest dollar

Cost to rent 3 movies and buy popcorn, a soda, and a candy bar.

Total cost = (Cost of movies × number of movies) + cost of popcorn + cost of soda + cost of candy bar

= (4 × 3) + 2 + 2 + 2

= 12 + 2 + 2 + 2

= $18

Therefore, the estimate the total cost to rent 3 movies and buy popcorn, a soda, and a candy bar is $18. option C

Learn more about total cost:

brainly.com/question/2021001

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2 years ago
Simplify: 3x(-11x + 1) A) -33x2 + 3x B) -33x2 + 1 C) -33x + 1 D) -30x
kondor19780726 [428]
The right answer is A...........
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