Divide. (20x^3-35x+18)/(5x-5)
1 answer:
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Answer: The greatest number of rows Li Na can plant is 9.
Step-by-step explanation:
Given: Li Na is going to plant 63 tomato plants and 81 rhubarb plants.
Li Na would like to plant the plants in rows where each row has the same number of tomato plants and each row has the same number of rhubarb plants.
To find the greatest number of rows Li Na can plant, we need to find the GCF of 63 and 81.
Since ,
Clearly, GCF(63,81)=9
Therefore, the greatest number of rows Li Na can plant is 9.
We have been given that a huge ice glacier in the Himalayas initially covered an area of 45 square kilo-meters. The relationship between A, the area of the glacier in square kilo-meters, and t, the number of years the glacier has been melting, is modeled by the equation .
To find the time it will take for the area of the glacier to decrease to 15 square kilo-meters, we will equate and solve for t as:
Now we will switch sides:
Let us take natural log on both sides of equation.
Using natural log property , we will get:
Therefore, it will take years for area of the glacier to decrease to 15 square kilo-meters.