Answer:
B) x=0
Step-by-step explanation:
x +20+ 10x= 9x +20
1st step: simplify the left side by combining like terms
10x+x=11x
2nd) 11x+ 20= 9x +20
Next, you subtract 11 and 9 which is equal to 2.
2x+20=20
Now, the 20 cancels out the other twenty so your left with 2x which is not an answer, therefore the only other number is 0 to be possible.
Check: 0+20+0=20 (first expression)
0x9=0 0+20= 20 (2nd expression)
20 = 20 so this is CORRECT!!!!!!!!
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
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Answer:
B?
Step-by-step explanation:
Because the number between 10 is 5 going across and the one that goes up and down you can count 3 down and thats where your point it
Answer:
5,398.5
Step-by-step explanation:
The number before 4 is greater than 4 so I added 1 to 4.