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2 years ago

A colony of 100 bacteria doubles in size every 60 hours what will the population be 180 hours from now

Mathematics

1 answer:

EleoNora [17]2 years ago

6 0

Answer:

20 hours thank you very much

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A fruit bowl has 5 apples 7 oranges and 4 bananas. What is the ratio of apples to bananas?

Korolek [52]

Answer:

5 apples to 4 bananas

Step-by-step explanation:

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3 years ago

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Jacks average in math for the first nine weeks was an 88 . His second nine weeks average decreased 12.5% what was his average fo

ikadub [295]

10% of 88 = 8.8

2.5% of 88 = 2.2

2.2 + 8.8 = 11

88 - 11 = 77

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3 years ago

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Find two consecutive integers whose sum is 901.

aleksandr82 [10.1K]

the answer is :

x+1 and x+2

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3 years ago

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Encourage po

Step-by-step explanation:

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3 years ago

Please show your work and explain it.

Maru [420]

Answer:

$f(x)=\dfrac{x+2}{2(x-2)}$

Step-by-step explanation:

Remember when you divide fractions, you need to get the reciprocal of the divisor and multiply. So your first simplification would be:

$\dfrac{x^2+4x+4}{x^2-6x+8}\div\dfrac{6x+12}{3x-12}\\\\=\dfrac{x^2+4x+4}{x^2-6x+8}\times\dfrac{3x-12}{6x+12}\\\\=\dfrac{(x^2+4x+4)(3x-12)}{(x^2-6x+8)(6x+12)}$

Next we factor what we can so we can further simplify the rest of the equation:

$=\dfrac{(x^2+4x+4)(3x-12)}{(x^2-6x+8)(6x+12)}\\\\=\dfrac{(x+2)(x+2)(3x-12)}{(x^2-6x+8)(6(x+2))}\\\\$

We can now cancel out (x+2)

$=\dfrac{(x+2)(3x-12)}{(x^2-6x+8)(6)}$

Next we factor out even more:

$=\dfrac{(x+2)(3)(x-4)}{(x-2)(x-4)(6)}$

We cancel out x-4 and reduce the 3 and 6 into simpler terms:

$=\dfrac{(x+2)(1)}{(x-2)(2)}$

And we can now simplify it to:

$=\dfrac{x+2}{2(x-2)}$

6 0

3 years ago