Answer:
-5.25
Step-by-step explanation:
-3(-a+2)=7a+15
=>3a-6=7a+15
=>-15-6=7a-3a
=>-21=4a
=>a=-21/4=-5.25
hope this helps please mark as brainliest:)
Answer:
512 mph
Step-by-step explanation:
The relevant relation is ...
speed = distance/time
speed = 1792 mi/(3.5 h) = 512 mi/h
The plane's average rate of speed should be 512 miles per hour.
Answer:
x = -0.4
Step-by-step explanation:
Answer:
A. Meet at a right angle.
Step-by-step explanation:
We should know the properties of kite.
(1) The diagonals of a kite meet at a right angle.
(2) Kites have exactly one pair of opposite angles that are congruent.
Therefore, the answer is A. Meet at a right angle.
Thank you.
19 heavy equipment operators and 20 general laborers
