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3 years ago

What percent of 50 is 15? A. 0.3% B. 7.5% C. 30% D. 35%

Mathematics

2 answers:

Vitek1552 [10]3 years ago

8 0

30% is the answer. Find the description in the picture

Harrizon [31]3 years ago

6 0

Answer

Step-by-step explanation

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Researchers recorded that a certain bacteria population declined from 800,000 to 500,000 in 6 hours after the administration of

kupik [55]

Answer:

We can assume that the decline in the population is an exponential decay.

An exponential decay can be written as:

P(t) = A*b^t

Where A is the initial population, b is the base and t is the variable, in this case, number of hours.

We know that: A = 800,000.

P(t) = 800,000*b^t

And we know that after 6 hours, the popuation was 500,000:

p(6h) = 500,000 = 800,000*b^6

then we have that:

b^6 = 500,000/800,000 = 5/8

b = (5/8)^(1/6) = 0.925

Then our equation is:

P(t) = 800,000*0.925^t

Now, the population after 24 hours will be:

P(24) = 800,000*0.925^24 = 123,166

5 0

3 years ago

ANSWER !! <br> ILL GIVE 40 POINTS !!<br> DONT SKIP :(( <br> PLUS BRAINLIEST !

stepladder [879]

its X < 1 or x > 3

where every the point goes is where the graph goes is what I do

5 0

3 years ago

Solve the problem. Make sure your answer is in simplest form. 3/16 x 4/21 = ?

Irina18 [472]

Answer:

$\frac{1}{28}$

Step-by-step explanation:

The result is given by means of some algebraic handling:

$\frac{3}{16}\times \frac{4}{21}$

$\frac{12}{336}$ - Multiplication of rationals.

$\frac{6}{168}$ - Dividing each term by 2.

$\frac{3}{84}$ - Dividing each term by 2.

$\frac{1}{28}$ - Dividing each term by 3.

8 0

3 years ago

Suppose that a teacher plans to give four students a quiz. The minimum possible score on the quiz is 0, and the maximum possible

denis23 [38]

Answer:

5 is the largest it could possibly be

8 0

3 years ago

ASAPPP! please help, POINTS!!

Bas_tet [7]

Answer:

C: 1.5

Step-by-step explanation:

For point D, the y value goes from 4 -> 6. This means that 4x = 6 , $x=\frac{6}{4} = 1.5$ .

For point F, both values (x and y) are multiplied by 1.5.

7 0

3 years ago

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