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3 years ago

Find the value of x to the nearest tenth

Mathematics

1 answer:

daser333 [38]3 years ago

6 0

Answer:

x = 9.2

Step-by-step explanation:

6/cos(57) = 11.01647075 (hypotenuse)

6^2 + b^2 = 11.01647075^2

36 - 36 + b^2 = 121.3626278 - 36

√b^2 = √85.36262784

b = 9.239189783

x = 9.2

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−

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= 

− 

 

± 

 

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+ 

4 

9 

= 

0 

3x^{2}+28x+49=0 

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= 

3 

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= 

2 

8 

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± 

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8 

2 

− 

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= 

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3 years ago