Answer:
using identity (a+b)(a-b) = a^2 -b^2
If you flipped the picture, it would be 60 degrees. But since its not flipped, it could possibly be 120 degrees since all sides are equal as the sides are parallel to each other.
Hope this helps.
Answer
240 degrees
Step-by-step explanation:
The probability of guessing 4 right is
.. (5C4)*(1/2)^5 = 5/32
The probability of guessing 5 right is
.. (5C5)*(1/2)^5 = 1/32
So, the probability of guessing 4 or 5 right is
.. (5+1)/32 = 6/32 = 0.1875
Answer:
Susan worked for 10 mins
Step-by-step explanation:
because twice as fast 20 mins and 10 plus equal 30 I MIGHT BE WRONG