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ASHA 777 [7]
3 years ago
8

Determine the domain and range of each graph use inequalities to write your answer​

Mathematics
1 answer:
pav-90 [236]3 years ago
7 0

Answer: Domain is all real numbers. And range is y≥ 3

Step-by-step explanation:

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Step-by-step explanation: Given the equation of the height expressed ad;

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2 years ago
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ivann1987 [24]

Answer:

<h2>a = 400/21, b = 580/21</h2>

Step-by-step explanation:

Small triangles are similar. Therefore, the sides are proportional

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21a=(20)(20)       <em>divide both sides by 21</em>

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For b, we can use the Pythagorean theorem:

b^2=\left(\dfrac{400}{21}\right)^2+20^2\\\\b^2=\dfrac{160000}{441}+400\\\\b^2=\dfrac{160000}{441}+\dfrac{176400}{441}\\\\b^2=\dfrac{336400}{441}\to b=\sqrt{\dfrac{336400}{441}}\\\\b=\dfrac{\sqrt{336400}}{\sqrt{441}}\\\\b=\dfrac{580}{21}

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Answer:

x = 3 should be the answer

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