Jack uses angle relationships to design public structures, such as buildings, bridges, and streets. He designs walking paths in a park as shown below. Rectangle A B C D has diagonals B D and A C that intersect at the center of the rectangle at point M. Angle M A D is 30 degrees and angle M D A is 60 degrees. Angle B M A is 90 degrees.
What is the measurement of angle DMC?

°
How do you know?

kk.bj.

step-by-step explanation:

.mnm.kn.kj

10.416 meters per second

step-by-step explanation:

distance=1 00 meters

time= 9.6 seconds in decimal form or 9 3/5 as a mixed number

average speed= 100/9.6

=10.416 meters per second or 10 52/125 as a mixed number.

or

step-by-step explanation:

we need to solve for 'x' the following equation:  

we have that:

⇒

⇒ ⇒

factorizing, we get that:

  ⇒

then, the solutions are: or

nothing extraneous has been found!

answer:   c ?

step-by-step explanation: