4 years ago

Question 20 (5 points)

1 answer:

4 0

Well A seems like the most correct answer, the actual purpose of an afterburner is to inject fuel directly into the exhaust stream to increase thrust by as much as 50%. It’s usually used to go supersonic

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Copy and complet the table compare the values of 2^x-2 with the values of 2^x-2

Vladimir79 [104]

#2^(x-2)

For 2

2^(2-2)=2⁰=1

For 3

2^(3-2)=2

For 4

2^(4-2)=2²=4

For 5

2^{5-2}=2³=8

For 6

2^{6-2}=2⁴=16

#2^x-2

For 2

2²-2=2

For 3

2³-2=6

For 4

2⁴-2=14

For 5

2⁵-2=30

For 6

2⁶-2=62

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Answer:

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Step-by-step explanation:

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3 years ago

Will give brainliest answer

yaroslaw [1]

Answer

Step-by-step explanation:

To find the area of a shape multiply its height by its width. For a square you only need to find the length of one of the sides (as each side is the same length) and then multiply this by itself to find the area.

please mark me as brainliest.

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Select the inequality that represents the problem.

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How to integrate ∫㏑x/χ<br> from 1 to e

Natali [406]

$\int_1^e\dfrac{\ln x}{x}dx,~\text{if}~u=\ln x\to x=e^u\to dx=e^udu\\\\\text{So, finding the new limits:}\begin{cases}x=1\to u=\ln1\to u=0\\x=e\to u=\ln e\to u=1\end{cases}\\\\
\int_1^e\dfrac{\ln x}{x}dx=\int_0^1\dfrac{u}{e^u}e^udu=\int_0^1u\,du=\left[\dfrac{u^2}{2}\right]_0^1=\dfrac{1^2}{2}-\dfrac{0^2}{2}=\dfrac{1}{2}\\\\
\boxed{\int_1^e\dfrac{\ln x}{x}dx=\dfrac{1}{2}}$

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3 years ago