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Hitman42 [59]
3 years ago
11

Find the perimeter of the figure. Round your answer to the nearest hundredth. in.

Mathematics
1 answer:
Vanyuwa [196]3 years ago
6 0

Answer:

61.13

Step-by-step explanation:

2\pi(4) = 8\pi = 25.13

25.13 + 10 + 10 + 8 + 8 = 61.13

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Find the minimum value if f(x) = xe^x over [-2,0]
SashulF [63]

Given function:

f(x)=xe^x

The minimum value of the function can be found by setting the first derivative of the function to zero.

f^{\prime}(x)=xe^x+e^x\begin{gathered} xe^x+e^x\text{ = 0} \\ e^x(x\text{ + 1)  = 0} \end{gathered}

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\begin{gathered} x\text{ + 1 = 0} \\ x\text{ = -1} \end{gathered}\begin{gathered} e^x\text{ = 0} \\ \text{Does not exist} \end{gathered}

Substituting the value of x into the original function:

\begin{gathered} f(x=1)=-1\times e^{^{-1}}_{} \\ =\text{ -}0.368 \end{gathered}

Hence, the minimum value in the given range is (-1, -0.368)

6 0
1 year ago
Which is a counterexample that disproves the conjecture? After completing several multiplication problems, a student concludes t
Dahasolnce [82]
When you make the product of a binomial of the kind x + a times other binomial that is of the kind x - a, you obtain another binomial (not a trinomial), so any example with that form will be a counterexample that disproves the conjecture:

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For example, (x +3) * (x - 3) = x^2 - 9. So, not always the product of two binomials is a trinomial.
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Answer:

A

Step-by-step explanation:

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