Answer:
Step-by-step explanation:
Hello,
You can use Pythagoras in the 4 right triangles.
For one triangle it comes 
.
Then for the polygon it gives 
.
Hope this helps.
Do not hesitate if you need further explanation.
Thank you
Answer:
1 avocado= 50 cents 16 avocados is 8 dollars 20 avocados are 10 dollars and 9 avocados is 4.50
Step-by-step explanation:
Let minimum score on the final exam to earn an A be X
Further solving :
X = <em> </em>99 marks
<span>The answer is a. cos2x - sin2x - sin x. Use the rule: cos2x = (cos^2)x - (sin^2)x. So, substitute cos2x in the expression: cos2x - sinx = ((cos^2)x - (sin^2)x) - sinx = (cos^2)x - (sin^2)x - sinx. Therefore, choice a. is correct choice.</span>
Step-by-step explanation:
it would be best if you snapped this question for better understanding, however
4/√5. +. 3√125
4/√5. +. 3(√25 x √5)
4/√5 + 3(5√5)
4/√5 + 15√5
