Answer:
To find the simple interest, we multiply 300 × 0.04 × 8 to get that:
The interest is: $96.00
It will take 15 hours to mow 9 lawns
Answer:
15 men and 10 women attended
Step-by-step explanation:
Answer:
Breadth=x+2
Step-by-step explanation:
Answer:
cos (a+b)= cos a cos b - sin a sin b
Step-by-step explanation:
I had to answer this question too, but I don't know the explanation. I just saw it in this Khan Academy video. https://www.khanacademy.org/math/precalculus/x9e81a4f98389efdf:trig/x9e81a4f98389efdf:angle-addition/v/cosine-addition-identity-example