3 years ago

The depth of a lake is 15.8 m.

Mathematics

1 answer:

lorasvet [3.4K]3 years ago

6 0

Answer:

A) 16

B) 0.2

C) 1.27

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Is this an identity? <br> 1+sec^2x=tan^2x

amid [387]

No, the correct identity is $\tan^2(x)+1=\sec^2(x)$ . It is obtained by dividing the both sides of the Pythagorean Trigonometric Identity by cos²(x):

$\sin^2(x)+\cos^2(x)=1\\\\
\dfrac{\sin^2(x)+\cos^2(x)}{\cos^2(x)}=\dfrac{1}{\cos^2(x)}\\\\
\dfrac{\sin^2(x)}{\cos^2(x)}+\dfrac{\cos^2(x)}{\cos^2(x)}=\dfrac{1}{\cos^2(x)}\\\\
\boxed{\tan^2(x)+1=\sec^2(x)}~~\blacksquare$

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4 years ago

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Shalnov [3]

What is your question asking???

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3 years ago

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statuscvo [17]

Mean = (Sum of values)/(Number of values)

$Mean\\ \\ =\frac { 55+62+61+54+68+72+59+61+70 }{ 9 } \\ \\ =\frac { 562 }{ 9 } \\ \\ =62.4\quad mph\quad (1\quad d.p)\\ \\$

Range = Highest Value - Lowest Value

$Range\\ \\ =72-54\\ \\ =18\\ \\$

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3 years ago

Write the equations after translating the graph of y = |x| one unit to the right

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y = |x - 1|

Step-by-step explanation:

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Tyler is playing basketball with his friends, and he shoots an air ball from the three point line. The graph below represents th

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Answer:

Your correct answer is D. The reasonable number of seconds when the basketball is in the air is between 0 seconds and 2.5 seconds.

Step-by-step explanation:

Hope this helps :) -Mark Brainiest Please :)

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