Answer:
? = 43.8°
Step-by-step explanation:
cos ? = 13/18 = 0.7222
? = 43.8°
The sign isn’t switched. [ ie, -7 < 161 = 7 > -161 ]
Explanation :
When multiplying or dividing by a negative the sign flips.
Answer:
Ratio is how many times a number contains another. A ratio can be found by doing the equation multiplying or dividing each term in the ratio by the same number
Step-by-step explanation:
16: 8/25; 38%; .41
18: 84% 43/50; 7/8; .91
20: 26.8%; 2.26; 2 2/5; 2.62; 271%
22: 21/25= 84% so yes