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3 years ago

8

Zach wants to build a slanted skateboard ramp. He knows he wants the ramp to form a 15 degrees angle with the ground and be 4 fe

et tall.How long will the ramp be?

1 answer:

frutty [35]3 years ago

8 0

Answer:

54

Step-by-step explanation:

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alukav5142 [94]

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3 years ago

If a_1=2a 1 =2 and a_n=(a_{n-1})^2-2a n =(a n−1 ) 2 −2 then find the value of a_4a 4 .

Aleks04 [339]

9514 1404 393

Answer:

2

Step-by-step explanation:

We assume your recursive formula is ...

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Using this to find a4, we get ...

$a_2=a_1^2-2=2^2-2=2\\a_3=a_2^2-2=2^2-2=2\\a_4=a_3^2-2=2^2-2=2\\\\\boxed{a_4=2}$

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3 years ago