2 years ago

What expression is equivalent to -14.8-4b-(17.1-3b)

Mathematics

2 answers:

Mekhanik [1.2K]2 years ago

8 0

Yes it’s B. -2.3 + b ❤️

Zigmanuir [339]2 years ago

7 0

Answer is B:2.3-b
Combine like terms

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Step-by-step explanation:

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2 years ago

(10.02)

melisa1 [442]

Answer:

$sin O=\dfrac{3\sqrt{13}}{13}\\cos O=\dfrac{2\sqrt{13}}{13}\\tan O=\dfrac{3}{2}$

Step-by-step explanation:

If the point (2,3) is on the terminal side of an angle in standard position.

Adjacent of O, x=2,

Opposite of O, y=3

Next, we determine the hypotenuse, r using Pythagoras Theorem.

$Hypotenuse =\sqrt{Opposite^2+Adjacent^2} \\r=\sqrt{3^2+2^2} \\r=\sqrt{13}$

Therefore:

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$Tan O=\dfrac{Opposite}{Adjacent} \\tan O=\dfrac{3}{2}$

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2 years ago