Answer:
x = 
Step-by-step explanation:
Given
=
( cross- multiply )
25 × 2x = 5 × 4
50x = 20 ( divide both sides by 50 )
x =
= 
Speed= distance/time.
6.4/4.
1.6 meters per minute.
Answer:
(0,1) (0.333,0)
(7,0)
m=1
Step-by-step explanation:
Answer:
51,51 and 78
Step-by-step explanation:
3x+9=4x-5
3x=4x-14
-x=-14
x=14
Answer:
(a+b) - (ab)
Step-by-step explanation:
sum of two numbers a and b decreased by their product
(a+b) - (ab)