2 years ago

PLS HELP ME WITH THIS QUESTION!!! AND PLS PLS PLS DO EXPLAIN. I WILL MARK THE BEST ANSWER BRAINLIEST

Mathematics

1 answer:

Alborosie2 years ago

6 0

Hold on- I didn't read the question correctly! Just one moment.

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Solve the triangle that has a=4.6, B=19°, A=92° (picture provided)

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Answer:

Option b

Step-by-step explanation:

To solve this problem use the law of the sines.

We have 2 angles of the triangle and one of the sides.

$a = 4.6\\B = 19\°\\A = 92\°\\C = 180 -A - B\\C = 180 - 92 - 19\\C = 69\°$

The law of the sines is:

$\frac{sin(A)}{a} = \frac{sin(B)}{b} = \frac{sin(C)}{c}$

Then:

$\frac{sin(92)}{4.6} = \frac{sin(19)}{b}\\\\b = \frac{sin(19)}{\frac{sin(92)}{4.6}}\\\\b = 1.5$

$\frac{sin(B)}{b} = \frac{sin(C)}{c}\\\\\frac{sin(19)}{1.5} = \frac{sin(69)}{c}\\\\c = \frac{sin(69)}{\frac{sin(19)}{1.5}}\\\\c = 4.30$

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2 years ago

In the sequence – 40, –33, –26, –19, … determine the 77th term and the sum of the first 90 terms.

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7x77=539

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3 years ago

What a Expression that has a value -8

kirill [66]

Answer:

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Step-by-step explanation:

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Answer:

Step-by-step explanation:

the answer is 48

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