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ankoles [38]
4 years ago
11

The population of a colony of bacteria can be modeled by the function P(t) = 19,300(5)^t, where t is the elapsed time

Mathematics
2 answers:
kipiarov [429]4 years ago
6 0

Answer:

C. P–1(t) =   log5 (StartFraction t Over 19,300 EndFraction)

Step-by-step explanation:

allsm [11]4 years ago
4 0
Answer: root t(5)/19300

Explanation:

P(t) = 19300(5)^t
P-1(t) = root t(5)/19300


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Which probability is equal to 25%?<br> А<br> 5/100<br> B<br> 1/4<br> с<br> 25/1<br> D<br> 4/5
loris [4]

Answer:

1/4

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
(ar^b)^4=81r^24<br> where a and b are positive integers. <br> Work out a and b
galina1969 [7]

Answer:

Vales of a =3 and b = 6

Step-by-step explanation:

Given that: (ar^b)^4 = 81r^{24}            .....[1] where a and b are positive integers

we can write 81 and 24 as;

81 = 3 \cdot 3 \cdot 3 \cdot 3 = 3^4

24 = 4 \cdot 6

We have [1] as;

(ar^b)^4 = 3^4r^{4 \cdot 6}

Using power rules;

a^nb^n = (ab)^n

a^n = b^n which implies a = b

then;

(ar^b)^4 = (3r^6)^4

ar^b = 3r^6

On comparing both sides we have;

a = 3 and

r^b = r^6

⇒b = 6

Therefore, the value of a and b are, 3 and 6





6 0
4 years ago
A contractor is in charge of hiring people for a construction project. The number of days it would take to complete the project
sweet-ann [11.9K]

Answer:

\text{Domain of x}=[1,\infty), x \in Z^+

Step-by-step explanation:

Given the function: f(x)=\dfrac{280}{x},$ where:

f(x) =number of days it would take to complete the project

x =number of full-time workers.

\text{When x=0, }f(x)=\dfrac{280}{0}=$Undetermined\\\text{When x=1, }f(x)=\dfrac{280}{1}=$280 days\\\text{When x=280, }f(x)=\dfrac{280}{280}=$1 day\\\text{When x=560, }f(x)=\dfrac{280}{560}=$0.5 days

The domain of a function is the complete set of possible values of the independent variable.

In this case, the independent variable is x, the number of full-time workers. We have shown that x cannot be zero as there must be at least a worker on ground.

Therefore, an appropriate domain of the function f(x) is the set of positive integers (from 1 to infinity).

\text{Domain of x}=[1,\infty), x \in Z^+

7 0
3 years ago
15 is what percent of 40
Cloud [144]
15% of 40...
15% in decimal form is 0.15...

0.15(40)= 6

your answer is 6.
7 0
3 years ago
Read 2 more answers
Help me please if you don’t mind
torisob [31]
Both diagram B and D
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3 years ago
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