3 years ago

HELP ME PLEASE QUICKLY FAST!

2 answers:

5 0

The answer is 13. You can find this out by using the PEMDAS method. (Parentheses, Exponents, Multiplication and Division, Addition and Subtraction.)

sukhopar [10]3 years ago

4 0

10/2+4(3-1) goes to 10/2+4(2) then to 10/2+8 then to 5+8 then you get 13 as ur answer!!!

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garri49 [273]

Answer:

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Step-by-step explanation:

For this triangle we have to

$a=18.2\\B=62\°\\C=48\°$

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$A + 62 +48=180\\\\A=180-62-48\\\\A=70\°$

Now we use the sine theorem to find the length of b:

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

Then:

$\frac{sin(A)}{a}=\frac{sin(B)}{b}\\\\b=\frac{sin(B)}{\frac{sin(A)}{a}}\\\\b=a*\frac{sin(B)}{sin(A)}\\\\b=(18.2)\frac{sin(62)}{sin(70)}\\\\b=17$

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Explanation:

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Step-by-step explanation:

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