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DerKrebs [107]
3 years ago
13

Plz help me solve this and plz show work thx

Mathematics
1 answer:
svlad2 [7]3 years ago
4 0
The fractions don't have common denominators so first we find the LCD which between 5 and 10 is 10. 4/5 changes to 8/10.
Then subtract 8/10 b from both sides to isolate the variable term. 6=1/10 b.
Multiple by 10 on each side to make the coefficient 1. 60=b
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A natural number greater than 1 that has only itself and 1 as factors is called alan
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Nana76 [90]

Answer:

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Step-by-step explanation:

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Using the law of cosine for Triangle KJL, we can write:

j^{2} = k^{2} + l^{2}-2(k)(l)cos(J)  \\  \\ 
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Using the values of k,j and l, we can write:

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So option B gives the correct answer
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