Answer:
Step-by-step explanation:
She flips both timers at the same time.
When the 7 runs out that means you'll have 4 min left in the 11min.
That will be the start time of your 15 minutes.
Once the 4 minutes runs out then turn it over again and when it empties 15 minutes have gone by.
(60 times 4 ) plus (25 times 2)
60•4=240 in^
25•2=50in^
Surface of it all is
240 in^ + 50 in^ = 290 in ^
A) The area of a trapezoid is the product of height and average base length.
.. area = (8 cm)*(12 cm +20 cm)/2 = 128 cm^2
b) The area is half the product of the diagonals.
.. area = (1/2)*(10 in)*(6 in) = 30 in^2
Answer:
7+y
Step-by-step explanation:
