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9² = 12² + 15² - 2 (12) (15) cos (B)
81 = 144 + 225 - 360 cos(B)
81 = 369 - 360 cos (B)
360 cos (B) = 369 - 81
360 cos (B) = 288
cos (B) = 0.8
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Answer: Cosine B = 0.8
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12² = 15² + 9² - 2 (15)(9) cos (A)
144 = 225 + 81 - 270 Cos A
144 = 306 - 270 Cos A
270 Cos A = 162
Cos A = 3/5 or 0.6
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Answer: Cosine Angle A = 3/5
Hallo! Her er svaret ditt på dette spørsmålet! ☺
Answer: If you are solving by Substitution, your answer will be...
Point form : (-6,4)
Equation form : x=-6 , y=4
Step-by-step explanation: Solve for the first variable in one of the euations, then substitute the result into the other equation.
Hope this helps you out! ☺
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Answer:
Carmen made $25,000 in sales in the month.
Step-by-step explanation:
To find the total number of sales, start with the amount she made in commission and then divide by the percentage of commission that she makes.
$2,500/10% = $25,000
