I have a math problem it says: He used 160 batteries in 40 calculators. how many batteries are required for 225 calculators? Can
I have a little help please?
1 answer:
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Drawing of the description:
To get the total area, we have to calculate the area of the rectangle and trapezoid, and then add them.
• Area of rectangle
• Area of trapezoid
• Area of the front of the house
Finally, to get the total area we add them:
Answer: 697.5 ft²
Answer:
1.668 S
Step-by-step explanation:
We are given that
Product
For first order reaction,
Rate constant=k=
Temperature=
We have to find the time taken by the reaction when concentration of A to decrease from 0.790 M to 0.230 M.
Substitute the values then we get
Hence, it would take 1.668 s for the concentration of A to decrease from 0.790 M to 0.230 M.