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2 years ago

Find the value of b help me please

Mathematics

2 answers:

raketka [301]2 years ago

8 0

Answer:

sqrt(2)

Step-by-step explanation:

slava [35]2 years ago

4 0

Answer:

$b = \sqrt{2}$

Step-by-step explanation:

$\cos \: 60 \degree = \frac{b}{2 \sqrt{2} } \\ \\ \frac{1}{2} = \frac{b}{2 \sqrt{2} } \\ \\b = \frac{2 \sqrt{2} }{2} \\ \\ b = \sqrt{2}$

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3 years ago

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Work Shown:

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3 years ago

Can someone please help with this ?

creativ13 [48]

Answer: -9n+20

This is the same as 20-9n

================================================

Explanation:

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The jump from 2 to -7 is also "minus 9".

Assuming this pattern continues on, we have an arithmetic sequence with

a = 11 = first term
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The nth term can be found like so

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Let's check the answer by trying n = 3

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This shows the third term is -7, which matches what the original sequence shows. The answer is partially confirmed. I'll let you check the other values of n. You should get 11 when trying n = 1, and you should get 2 when trying n = 2.

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