I think the answer is A and C!
Answer:
20
Step-by-step explanation:
area = length * breadth
320cm² = length * 16cm
divide both sides by 16cm to isolate length
20cm = length
Answer:
i cant help with the first one but the others i think i can
- plastic (insulator) -stainless steel (conductor) -silver (conductor) -wood (insulator)
Also radiation could effect the system but changing the conductivity of some of the materials also change change the way the materials accept heat.
Sorry about the first one :)
Answer:
213
Step-by-step explanation:
Answer:
Not sure what this question is asking but for the hourly rate, the answer is $20.
Step-by-step explanation:
You can write an equation as 20x=400.
Simply solve it by dividing each side by 20 to find the hourly rate in dollars per hour.
You get x=20 as your answer so 20 dollars per hour!
Hope this helps! :)