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3 years ago

If g=27 and f=54degrees, find h on a triangle. a. h=15.9. b. =14.9. c. 16.9. d. 18.9

1 answer:

4 0

I assume h is the hypotenuse on a triangle. We use trigonometric functions in order to find the value of h. Also, since side g is not specified whether it is adjacent or opposite angle f. We solve using every possible function and see from the choices the correct answer.

h = 27 sin 54 = 21.84
h = 27 cos 54 = 15.9

Therefore, most likely the correct answer is A.

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3 years ago

The product of a number and four, increased by one, is at least 7.

faust18 [17]

Answer:

4/6

Step-by-step explanation:

a number which means "x" or u can name any variable u want

so the product of a number and four means

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5 0

3 years ago

Read 2 more answers

Find the exact value of cos theta, given that sin thetaequalsStartFraction 15 Over 17 EndFraction and theta is in quadrant II.

vova2212 [387]

Answer:

$cos \theta = -\frac{8}{17}$

Step-by-step explanation:

For this case we know that:

$sin \theta = \frac{15}{17}$

And we want to find the value for $cos \theta$ , so then we can use the following basic identity:

$cos^2 \theta + sin^2 \theta =1$

And if we solve for $cos \theta$ we got:

$cos^2 \theta = 1- sin^2 \theta$

$cos \theta =\pm \sqrt{1-sin^2 \theta}$

And if we replace the value given we got:

$cos \theta =\pm \sqrt{1- (\frac{15}{17})^2}=\sqrt{\frac{64}{289}}=\frac{\sqrt{64}}{\sqrt{289}}=\frac{8}{17}$

For our case we know that the angle is on the II quadrant, and on this quadrant we know that the sine is positive but the cosine is negative so then the correct answer for this case would be:

$cos \theta = -\frac{8}{17}$

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3 years ago

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Maksim231197 [3]

I believe its A.6
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4 years ago

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Trava [24]

Answer:

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Step-by-step explanation:

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