Answer:
30,000
Step-by-step explanation:
Answer:
7
Step-by-step explanation:
the answer is 7
21 is 3 times 7
Answer:It will take 5 sec for a parachute to open.I did it on a piece of paper for u to show u more information
Step-by-step explanation:
B. 381.6 because 9 x .06 = 0.54, so that equals 9.54 x 40 = 381.6
Using the formula given in the question, we can solve for the area.
h = 10
b1 = 20
b2 = 8
Now, solve with the given values.
1/2(10)(20 + 8)
5(28)
140
Therefore, the area is 140 square feet.
Best of Luck!