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3 years ago

Given the function f(x)=2xf(x)=2x, evaluate f(3)f(3).

Mathematics

1 answer:

kifflom [539]3 years ago

8 0

Answer:

hope it helps you............

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The Westside Bakery uses 440 pounds of sugar to make

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Answer:b) 0.44

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3 years ago

“40% of what number is 34?”

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85. i provided a picture just incase you needed your work shown.

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What is the factorization of 121b^4-49

Nezavi [6.7K]

121^4-49

(11^2+7)(11^2-7) 1. 121. 49

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3 years ago

Shreya has 40 pairs of shoes stacked in boxes.

GaryK [48]

Answer:

80 shoes

Step-by-step explanation:

sin e a pair is 2 shoes,

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2 years ago

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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