Answer:
Below.
Step-by-step explanation:
30 kg 500g + 28kg 700g
= 58kg + 1200g
= 59kg 200g.
Difference
= 30 kg 500g - 28kg 700g
= 2kg + 500 - 700
= 2kg - 200g
= 1kg 800g.
Answer:

Step-by-step explanation:
Given the triangular prism with:
- Height of the Triangle =6cm
- Base of the Triangle =7cm
- Length of the Prism =10cm
Volume of a Prism= Base Area X Length of the Prism

The volume is 210 cubic centimeter.
Answer:
3is the right answer
Step-by-step explanation:
you did it right
Answer:
y=5x-21
Step-by-step explanation:
Answer:
(- 4, - 2 )
Step-by-step explanation:
Under a rotation about the origin of 90°
a point (x, y ) → (- y, x ) , then
(- 2, 4 ) → (- 4, - 2 )