Answer:
Step-by-step explanation: sin β =
; cos β = 
10) sin
= 
18 sin
= x
18 (0.53) = x
<em>x= 9.5 units </em>
cos
= 
18 cos
= y
y = 18 (0.85)
<em>y = 15.3 units </em>
<em></em>
<em>You use the same strategy for the rest of the questions. Feel free to reach out if you have more questions. </em>
Answer:
25x ²−49y ²
Step-by-step explanation:
We need to find product of (5x+7)(5x−7y)
By using identity (a+b)(a−b)=a −b ²
We have a=5x,b=7y
Thus (5x+7y)(5x−7y)=(5x) ²−(7y)
<em>let me know if it was helpful</em>
<em />
Answer:
after two months because
40 + 10 + 10 = 60
AND
30 + 15 + 15 = 60
Step-by-step explanation:
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