A
using the Cosine rule in ΔSTU
let t = SU, s = TU and u = ST, then
t² = u² + s² - (2us cos T )
substitute the appropriate values into the formula
t² = 5² + 9² - (2 × 5 × 9 × cos68° )
= 25 + 81 - 90cos68°
= 106 - 33.71 = 72.29
⇒ t = ≈ 8.5 in → A
Answer:
x = <u>19</u>
x - 17 = 2
2 + 17 = <u>19</u>
<em>Hope this helps!</em>
Answer: Yes
Step-by-step explanation:
Given
Kwasi earned in babysitting
He spends 40% of the money in buying drinks
Money spend is given by
So, Kwasi has enough money left to buy a skateboard.
From what I learnt so far, there are 3 possible ways of finding whether ratios form a proportion
5 equals 5/1. Simple as that.