How to solve this with tan I need AB

Mathematics

1 answer:

sesenic [268]3 years ago

5 0

Answer:

AB = 2.18 units

Step-by-step explanation:

$\tan 52\degree =\frac{AB}{BC} \\ \\ AB = BC \tan 52\degree \\ \\ AB = 1.7 \times 1.2799416322 \\ \\ AB = 1.7 \times 1.2799416322 \\ \\AB = 2.17590077 \\ \\ AB \approx 2.18 \: units$

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9x - y = 15 2x + 8y = 28

faust18 [17]

9x - y = 15
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Use the substitution method.
Solve for y in the first equation.

9x - y = 15
-y = 15 - 9x
y = -15 + 9x

Now plug in y into the second equation.
2x + 8(-15 + 9x) = 28
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Plug x back into the rewritten first equation.
y = -15 + 9(2)
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x = 2, y = 3

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Step-by-step explanation:

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Read 2 more answers

What is the equation of the line with a slope of 3/4 that goes through the point (4, 1) in slope-intercept form?

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Answer:

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Step-by-step explanation:

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