If you do 25 x X = 100
It would be x = 4
So we would divide 36% by 4 to get how many times he rode, which is 9
So he already has ridden 9 times.
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A=3.14r^2
1. 2^2= 4
2. 3.14 x 4 =12.56 as your answer
Answer:
x = 9
Step-by-step explanation:
First equation = 4x - 8
Second equation = 7x - 35
Seperate the equation with an equal sign to make it an equality equation and solve for X so :
4x - 8 = 7x - 35 (Given)
-3x - 8 = -35 (Subtraction property of equality)
-3x = -27 (Addition property of equality)
x = 9 (Division property of equality)
Solution:
x = 9
Using the exponential model given, the number of bacteria in the culture after 9 minutes after the observation began will be 4789
<u>Given the exponential model</u> :
- <em>t = number of minutes after observation begins </em>
<u>The number of bacteria in the culture 9 minutes after the observation began can be calculated thus :</u>
<em>Substitute 9 for t in the exponential equation :</em>
Therefore, the number of bacteria in the culture after 9 minutes will be about 4789
Learn more :brainly.com/question/10992447