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Vaselesa [24]
3 years ago
10

Please answer ASAP it’s timed

Mathematics
2 answers:
ivanzaharov [21]3 years ago
8 0
2^9.......…………………dhdjbfjfdkdvxkkffhkgbfjfufufng

Kobotan [32]3 years ago
5 0

Answer:

See answer below

Step-by-step explanation:

Hi there,

First checkbox, Second-to-last checkbox, and last checkbox are all valid expressions.

2^{5} *2^{4} =2^{5+4} =2^{9} based on a common algebraic rule x^{a} * x^{b} = x^{a+b}

The first checkbox is just the stated answer.

The second-to-last answer is the same, as it can be rearranged as follows:

2^{-2} *2^{11}  =2^{-2+11} =2^{9} based on the same algebraic rule above, applies for negative numbers as well!

The last checkbox is simply the definition of an exponent; each exponent has been expanded; a^{5} = a*a*a*a*a

Study well and persevere.

thanks,

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The number N of bacteria present in a culture at time t (in hours) obeys the equation N = 1000e^0.01t After how many hours will
jasenka [17]

Answer: N(t) = (2^t)*1500

Step-by-step explanation:

Let's define the hour "zero" as the initial population.

So if N(t)  is the number of bacteria after t hours, then:

N(0) = 1500.

Now, we know that the population doubles every hour, so we will have that after one hour, at t = 1

N(1) = 2*1500 = 3000

after two hours, at t = 2.

N(2) = 2*(2*1500) = (2^2)*1500

After three hours, at t = 3

N(3) = 2*(2^2)*1500 = (2^3)*1500

So we already can see the pattern, the number of bacteria after t hours will be:

N(t) = (2^t)*1500

5 0
3 years ago
9) Three times a number added to 12 gives -6. Find the number.​
KatRina [158]

Answer:

The number is -6.

Step-by-step explanation:

Variable x = a number

Set up an equation:

3x + 12 = -6

Isolate variable x:

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Check your work:

3(-6) + 12 = -6

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Correct!

7 0
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Step-by-step explanation:

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Step-by-step explanation:

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Plz plz guys solve this i will give you brainliest ​ with procedure
scoray [572]

Answer:

5:9

Step-by-step explanation:

1/5kg:360g

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=200g

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6 0
3 years ago
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