2 years ago

What value of q makes the equation true? 18/q=3/5 A.)6 B.)30 C.)25 D.)18

Mathematics

1 answer:

seropon [69]2 years ago

6 0

B because 3 times 6 makes 18, so 5 times six is 30 which is B

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Step-by-step explanation:

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True or false: the equation tan^2x+1=sec^2x

zhenek [66]

ANSWER

True

EXPLANATION

The given trigonometric equation is:

${ \tan}^{2} x + 1 = { \sec}^{2} x$

We take the LHS and simplify to arrive at the RHS.

${ \tan}^{2} x + 1 = \frac{{ \sin}^{2} x}{{ \cos}^{2} x} + 1$

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${ \tan}^{2} x + 1 = \frac{{ \sin}^{2} x + {\cos}^{2} x}{{ \cos}^{2} x}$

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This identity has been verified .Therefore the correct answer is true.

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3:5
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