look at the shaded right-angled triangle on the left
8 is the hypotenuse n a is opposite to the 40-degree angle
by definition, sin = opposite side / hypotenuse
so sin40=a/8
rearranging a=8sin40
Question: <span>2^x * 3^y = 72, what is x + y? Solution: x=3 and y=2/ 2^x * 3^y= 72 = 2^3 * 3^2= 72 So, if x=3 and y=2 then, 3+2 =5 The answer: x+y= 5</span>
Answer:
b. 14/21
Step-by-step explanation:
so you have 7x2 boys and 7x3 girls.