Answer:
transitive property of equality
Step-by-step explanation:
in math if A=B and B=C, then A=C
12 cents because 3/2 hens make 3/2 of an egg for 3/2 cents. Multiplying each part of the equation by 2/3 means you get 1 hen = 1 egg = 1 cent. Since there are twelve eggs in a dozen, you pay 12 cents.
Answer:
x=2
Step-by-step explanation:
-x+5=-11x+25
add +x on both sides -11x+x =-10x
-10x+25=5
subtract 25 on both sides
you get -10x=-20
x=2
There is 3600 seconds per hour.
Multiply the speed per second by 3600 to get the speed in miles per hour then convert to kilometer/hour.
4.9 * 3600 = 17,640 miles per hour
17,640 x 1.6 = 28,224 kilometers per hour