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Angelina_Jolie [31]
3 years ago
10

(Z-6) divided by 3 for z= 15.9

Mathematics
2 answers:
Ira Lisetskai [31]3 years ago
5 0
(z-6) turns to (15.9-6) which is 9.9 then divide that by 3 and you get 3.3
scoray [572]3 years ago
4 0
Simply plug in \sf{z=15.9} into \sf{\frac{z-6}{3}}

So:

\sf{\frac{15.9-6}{3}}

Simplify that more:

\sf{\frac{9.9}{3}}

And that finally becomes 

\sf{3.3}

So when \sf{z=15.9} the answer will be \boxed{\sf{3.3}}
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Which of the following applies the law of cosines correctly and could be solved to find m∠E? ANSWERS: A) cos E = 312 + 392 – 2(3
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This question is incomplete because the options were not properly written.

Complete Question

Which of the following applies the law of cosines correctly and could be solved to find m∠E? ANSWERS:

A) cos E = 31²+ 39² – 2(31)(39)

C) 56² = 39² – 2(39) ⋅ cos E

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Answer:

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From the above diagram, we see are told to apply the law of cosines to solve for m∠E i.e Angle E

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Because we have sides d , e and f and we are the look for m∠E the law of cosines would be:

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Therefore, from the above calculation and step by step calculation, the option that applies the law of cosines correctly and could be solved to find m∠E

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