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rewona [7]
3 years ago
5

Translate the word phrase into a variable expression:

Mathematics
1 answer:
bekas [8.4K]3 years ago
8 0
" the difference " means subtract

the difference of twice a number and 3...

2x - 3 <== ur expression
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A 20 ft. ladder is used against a 15 ft. wall. What is the measure of the angle made by the ladder and the ground (nearest whole
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Step-by-step explanation:

Given that,

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We know that,

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So,

\sin\theta=\dfrac{15}{20}\\\\\theta=\sin^{-1}(\dfrac{15}{20})\\\\\theta=48.59^{\circ}

Now using Pythagoras theoerm,

b=\sqrt{H^2-h^2}\\\\b=\sqrt{20^2-15^2}\\\\b=13.2\ ft

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Answer:

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Again, anything to the 0th power is equal to 1.

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Now you can subtract 9 from 12 to get 3 as your final answer.

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3 years ago
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