Robin has 4 grapes.
Step-by-step explanation:
Mary has now five because 9-4=5
The answer is n=(a-b)-1 because when you subtract a-b, you get almost the number of pages, but as you are counting the page b which has is not torn out, you must subtract 1 to get the correct answer if you plugged in a variable
Answer:
x = 6
Step-by-step explanation:
- In is right angle. (Given)
- (Given)
- (By geometric mean theorem)
- Value of x cannot be negative.
7^2 = 6^2 + 9^2 - 2(6)(9)cos(m)
-68 = 2(6)(9)cos(m)
cos(m) = -0.6296
m = arcos ( -0.6296)
m = 129.0 degrees