Answer: 10.3 s
Step-by-step explanation:
Given
The height of the arrow is given by 
At
and 
When arrow hits ground, h becomes 0 i.e.

Neglecting the negative value of t
So, the arrow hits the ground after 10.30 s
Answer:
62°
Step-by-step explanation:
The diagonals of a rhombus are perpendicular bisectors of each other, and each bisects the angle at a vertex of the rhombus. So, ∠DCG is the complement of ∠CDG, which is congruent to ∠EDG. We believe the marking 28° is intended to apply to ∠EDG, which would mean that ...
m∠DCG = 90° - 28°
m∠DCG = 62°
Answer:
Step-by-step explanation:
The estemit will be 0
Answer:
25 = c
Step-by-step explanation:
You had a good start on filling in the values in the Pythagorean Theorem. The work needed to be finished.

Answer:
The mean is the average of a data set. You can find the mean by adding all of the numbers in the guven set of data and then divide by the total number of values in a set.
Step-by-step explanation:
for example:
2, 6, 8, 13, 16, 11, 7
add all of these numbers together
the total would be 63
there are 7 numbers in the data set so you would divide 63 by 7
the mean of the data set would be 9