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Montano1993 [528]
3 years ago
12

The length of a rectangle is six times its width. If the rectangle is 600 yd^2 find its perimeter

Mathematics
1 answer:
vovangra [49]3 years ago
4 0

Answer:

8400 yd^2

Step-by-step explanation:

600x 6 because its six times

3600

L+L+W+W=p

8400 yd ^2

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he​ half-life for a link on a social network website is 2.6 hours. Write an exponential function T that gives the percentage of
pychu [463]

Answer:

% Remaining= [1-(1/2)^{\frac{t}{2.6}}]x100

And replacing the value t =5.5 hours we got:

% Remaining= [1-(1/2)^{\frac{5.5}{2.6}}]x100 =76.922\%

Step-by-step explanation:

Previous concepts

The half-life is defined "as the amount of time it takes a given quantity to decrease to half of its initial value. The term is most commonly used in relation to atoms undergoing radioactive decay, but can be used to describe other types of decay, whether exponential or not".

Solution to the problem

The half life model is given by the following expression:

A(t) = A_o (1/2)^{\frac{t}{h}}

Where A(t) represent the amount after t hours.

A_o represent the initial amount

t the number of hours

h=2.6 hours the half life

And we want to estimate the % after 5.5 hours. On this case we can begin finding the amount after 5.5 hours like this:

A(5.5) = A_o (1/2)^{\frac{5.5}{2.6}}

Now in order to find the percentage relative to the initial amount w can use the definition of relative change like this:

% Remaining = \frac{|A_o - A_o(1/2)^{\frac{5.5}{2.6}}|}{A_o} x100

We can take common factor A_o and we got:

% Remaining= [1-(1/2)^{\frac{t}{2.6}}]x100

And replacing the value t =5.5 hours we got:

% Remaining = [1-(1/2)^{\frac{5.5}{2.6}}]x100 =76.922\%

5 0
4 years ago
I need help i dont understand it. its due in literally 2 hrs.
k0ka [10]

Answer:

$1.25&75

Step-by-step explanation:

8 hotdogs for 10 dollars =

1 hotdog for 1.25 dollars.

1.25×60 = 75

4 0
3 years ago
What is the slope of the line?
WITCHER [35]

Answer:

Is it 2/5?

Step-by-step explanation:

5 0
3 years ago
Megan surveyed a random sample of 60 students at her school and found that 42 of them ride the bus to school each day. If there
GarryVolchara [31]

Answer:

224 student ride the bus to school each day.

Step-by-step explanation:

7 0
4 years ago
What is the quadratic in vertex form that has an a value of 8 and a vertex of (5, 6)?
faltersainse [42]

Answer:

y= 8(x-5)² + 6

Step-by-step explanation:

Parabolas have two equation forms, namely; the standard and vertex form.

In the vertex form, y = a(x - h)² + k, the variables h and k are the coordinates of the parabola's vertex.

In this case; a=8, h =5, and k=6

Therefore;

The vertex equation will be

y= 8(x-5)² + 6

8 0
3 years ago
Read 2 more answers
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