Answer:
1 :)
Step-by-step explanation:
Answer:
$230
Step-by-step explanation:
15 percent of 200 is 30, add 30 to 200 which is 115%,
so 230.
Answer:
cos^(-1)(12/13) = 22.62°
Step-by-step explanation:
Inverse trig functions are used to find angles. I was taught SOH CAH TOA: sine = opposite/hypotenuse, cosine = adjacent / hypotenuse, tan = opposite / adjacent.
Here, we have an adjacent side length and the hypotenuse. So we use inverse cosine.
Answer:
10 x = -3 -8 x²
Step-by-step explanation: