3 years ago

I just need an equation for this

Mathematics

1 answer:

34kurt3 years ago

8 0

Um, I think it's:
(x) + (x+6) = 42

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Answer:

a. m<DAB = 36°

b. m<B = 54°

c. m<C = 74°

Step-by-step explanation:

a. m<DAB = m<CAB + m<CAD

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7 0

3 years ago

Simplify. 1/4n-1/2 / n/6 - 1/24n<br><br> A. -6 / 2N-1<br> B. -6 / 2N+1<br> C. 6 / 2N+1

Oksi-84 [34.3K]

Answer:

Option B is the correct answer

Step-by-step explanation:

The exact expression is:

$\frac{\frac{1}{4n}-\frac{1}{2}}{\frac{n}{6}-\frac{1}{24n} }$

Taking LCM in numerator and denominator can simplify the expression. Further simplifying the expression can give us the final result, as shown below:

$\frac{\frac{1-2n}{4n} }{\frac{4n^{2}-1 }{24n}} \\\\=\frac{1-2n}{4n}\times\frac{24n}{4n^{2}-1 }\\\\=\frac{1-2n}{4n}\times\frac{24n}{(2n+1)(2n-1)}\\\\ =-\frac{2n-1}{4n}\times\frac{24n}{(2n+1)(2n-1)}\\\\ =-\frac{6}{2n+1}$

3 0

3 years ago

Read 2 more answers