2 years ago

Can show me how to do this ?

1 answer:

4 0

You have to multiply your 20cm by 6cm and your final answer being 120 because 0 times 6 is zero and 2 times 6 is 12, then that getting you 120

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Answer:

$9\sqrt{3}$ cm^2

Step-by-step explanation:

area of an equilateral triangle = $\frac{s^{2} \sqrt{3} }{4}$ (s = length of the side)

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2 years ago

The angle of elevation from a buoy in the water to the top of a lighthouse is 68degrees. If a buoy is 300 ft from the base of th

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Answer:

The height of the lighthouse is $742.5\ ft$

Step-by-step explanation:

Let

h -----> the height of the lighthouse

we know that

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$tan(68\°)=\frac{h}{300}$

Solve for h

$h=(300)tan(68\°)=742.5\ ft$

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3 years ago

Subtract 2x^2-3xy+4y^2 from 3x^2-5xy-6y^2

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Answer:

x ^2 − 2 y ^2 −8 x y

Step-by-step explanation:

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2 years ago

Without multiplying, tell which is greater: x 45 or x 45 explain.

Vanyuwa [196]

Answer: x45=x45 cannot be greater because they're both equivalent to each other.

Step-by-step explanation:

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3 years ago