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nlexa [21]
2 years ago
6

R=26 in. find the diameter.

Mathematics
1 answer:
Iteru [2.4K]2 years ago
6 0

Answer:

see

Step-by-step explanation:

diameter=2×pi×r

diameter. 2.22/7.r

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A mistake was made in the steps shown to simplify the expression. Which step includes the mistake?
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Step 2 how did the 8 get there?
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Which of the following graphs of exponential functions corresponds to a geometric sequence with a first term of 4 and a ratio of
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Answer: graph E.


A geometric sequence can be written as:

a_{n} = a_{1} \cdot r^{(n - 1)}

where:

a₁ = first term = 4

r = ratio = 0.5


Substituting the numbers, we have:

a_{n} = 4 \cdot (\frac{1}{2})^{n-1}

or else

f(x) = 4 \cdot (\frac{1}{2})^{x - 1}


This is an exponential function with base less than 1. Therefore, we can exclude graph C (which depicts a linear function), and graphs A and D (which depict an exponential function with base greater than 1).


In order to choose between graph B and E, let's evaluate the function in two different points:

f(1) = 4 \cdot (\frac{1}{2})^{1 - 1} = 4

f(2) = 4 \cdot (\frac{1}{2})^{2 - 1} = 4 \cdot \frac{1}{2} = 2


Therefore, we need to look for the graph passing through the points (1, 4) and (2, 2). That is graph E.




3 0
3 years ago
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11. When you multiply two decimals less than 1, how does the product compare to the factors?
ANEK [815]

Answer:

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Step-by-step explanation:

When we multiply two decimals less than one, it is a certainty that the result of the multiplication would be less than the two decimals that were multiplied. An example is the multiplication of the decimals below;

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We can see from the example above that the result of the multiplication of the two decimals that are less than one, results in a product that is less than the factors that were multiplied.

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Step-by-step explanation:

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