3 years ago

Which type of study is MOST LIKELY to be used?

Mathematics

2 answers:

azamat3 years ago

6 0

I believe it would be B observational sampling

Doss [256]3 years ago

3 0

Answer:

simulation

Step-by-step explanation:

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3 years ago

Read 2 more answers

16 can be written as

Marizza181 [45]

Answer:

sixteen or 1.6 X 10E2

Step-by-step explanation:

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3 years ago

Round your answer to the nearest hundredth.

Reptile [31]

Answer:

10.99

Step-by-step explanation:

$tan20 = \frac{ac}{bc} \\ bc = \frac{ac}{tan20} \\ = \frac{4}{tan20} \\ = 10.99$

where you see tan20 the 20 has a degree sign on top

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3 years ago

In the formula A(t)equals=Upper A0A0 Superscript ktkt, A is the amount of radioactive material remaining from an initial amoun

Ivan

Answer:

693 Years

Step-by-step explanation:

Given an initial amount $A_o$ and k (a negative constant) determined by the nature of the material, the amount of radioactive material remaining at a given time t, is determined using he formula:

$A(t)= A_oe^{kt}$

If a certain radioactive isotope decays at a rate of 0.1% annually.

$\frac{1}{2} A_o= A_oe^{-0.001t}\\e^{-0.001t}=\frac{1}{2}\\$Take the natural logarithm of both sides\\-0.001t=ln(0.5)\\t=ln(0.5) \div -0.001\\t=693.15\approx 693 \:years$

The half-life of the isotope is 693 years.

5 0

3 years ago

the sum of 43.9 and a number is 49.65, as shown below l. what number should go in the box to complete the addition problem

torisob [31]

5.75 is the answer.
If you subtract 43.9 FROM 49.65, that's what you get.

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3 years ago