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Lina20 [59]
2 years ago
14

Solve the inequality. Graph the solution set. 26 + 6b 2(3b + 4)

Mathematics
2 answers:
Anna71 [15]2 years ago
7 0
<span>The inequality is : 26 + 6b= 2(3b + 4)
On opening the bracket we get,
or </span><span>26 + 6b= 6b + 8
Now, bring the variable terms to right hand side,
or 26 + 6b - 6b = 8
or 26 = 8, which is not possible because 26 can never be equal to 8.
Thus, this inequality has no solutions. </span>
brilliants [131]2 years ago
5 0

we have

26 + 6b\geq2(3b + 4)

Applying the distributive property on the right side

26 + 6b\geq6b+8

subtract 6b from both sides

26\geq 8 -------> is true

for all real numbers the inequality is true

therefore

the graph is a shaded area everywhere.

<u>the answer is</u>

the solution is all real numbers

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<u>Solution- </u>

A researcher placed a petri dish with 32,000 bacterial cells. One hour after being placed in the vacuum chamber, the number of cells in the petri dish had halved. Another hour later, the number of cells had again halved.

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The coordinate of this poin will be (0, 32000)

This means when x=0 or at the starting of the research, the number of bacteria cells was 32000.

After 3 hours, number of bacteria cells will be,

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Answer:

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after x years, the population will be

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1.3 * 1.0049^x = 1.5

1.0049^x = 1.5/1.3

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x = log(1.5/1.3)/log(1.0049)

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Therefore, at the rate of 0.49%, the Chinese population of 1.3bn needs 29 years to clock 1.5 bn

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