3 years ago

ST has endpoints S(-2,-4) and T(6,8). Find the coordinates of the midpoint of ST.

1 answer:

5 0

The midpoint is (2,2)

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lys-0071 [83]

3.5 each bc 4 * 3.5 is 14

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3 years ago

EleoNora [17]

In 816,148 6 is in the thousandth. 148 is closer to zero than 1000. it rounds down. so rounding to the closest thousandth gets 816,000.

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3 years ago

Solnce55 [7]

Answer:

18.9

Step-by-step explanation:

4/5 + 3/5 + 3.5 * 5

Well using PEMDAS you would need to do 3.5 x 5 which is 17.5

After that you would to 4/5 + 3/5 which is 7/5 also as 1 2/5

Then you would do 7/5 + 17.5 = 18.9

I might be wrong but that is what I got and I hope it helps you :)

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3 years ago

andreev551 [17]

Answer:

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Step-by-step explanation:

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3 years ago

amid [387]

This is not true.

$\tan^2x+\sec^2x=\dfrac{\sin^2x}{\cos^2x}+\dfrac1{\cos^2x}=\dfrac{1-\cos^2x+1}{\cos^2x}=2\sec^2x-1$

$2\sec^2x-1=1\implies\sec^2x=1\implies\sec x=\pm1\implies x=n\pi$

where is $n$ is any integer. So suppose we pick some value of $x$ other than these, say $x=\dfrac\pi4$ . Then

$\tan^2\dfrac\pi4+\sec^2\dfrac\pi4=1+2=3\neq1$

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3 years ago