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pav-90 [236]
3 years ago
8

Three friends each created 4 bags of dough. After 10 days, each of those 4 bags is then divided into 4 more bags of dough. How m

any days has pass before 192 bags of dough are created?
Mathematics
1 answer:
adoni [48]3 years ago
5 0
After 20 days, 192 bags were created. Hope it helps :)
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How many ounces is 13 lbs?​
const2013 [10]

Answer:

208 oz

Step-by-step explanation:

So do 16x13=208

13 lbs=208 oz

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3 years ago
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The population of a city grows exponentially at rate of 8% per year.Find the number of years it takes for the population to be d
Ilya [14]

Answer:

<em>It will take 9 years for the population to double</em>

Step-by-step explanation:

<u>Exponential Growth </u>

The natural growth of some magnitudes can be modeled by the equation:

P=P_o(1+r)^t

Where P is the actual amount of the magnitude, Po is its initial amount, r is the growth rate and t is the time.

The population of a city grows at a rate of r=8% = 0.08 per year. We are required to find when (t) the population will double, or P=2Po.

Substituting in the equation:

2P_o=P_o(1+0.08)^t

Simplifying:

2=(1.08)^t

Taking logarithms:

\log 2=\log (1.08)^t

Applying the exponent property of logs:

\log 2=t\log (1.08)

Solving for t:

\displaystyle t=\frac{\log 2}{\log (1.08)}

Calculating:

t\approx 9

It will take 9 years for the population to double

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3 years ago
which of the ordered pairs is a solution of the given system? y=3x-2 y=-x A.(2,9)B.(1,4)C.(1/2,-1/2)
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Step-by-step explanation:


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3 years ago
The quadratic regression graphed on the coordinate grid represents the height of a road surface x meters from the center of the
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The height of the surface increases, then decreases, from the center out to the sides of the road.

<h3>What is quadratic equation?</h3>

The polynomial having a degree of 2 is defined as the quadratic equation it means that the variable will have a maximum power of 2.

Let

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we know that

The quadratic regression graphed represent a vertical parabola open downward

The function increase in the interval --------> (-5,0)        

The function decrease in the interval -------->   (0,5)

therefore

The height of the surface increases, then decreases, from the center out to the sides of the road.

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The following multiple regression printout can be used to predict a person's height (in inches) given his or her shoe size and g
alisha [4.7K]

Answer:

a. 8.95

b. it is

c. yes it belongs

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Step-by-step explanation:

GIven the regression outpuit that we have in this question, the value of the t test statistics for the shoe size can be solved as

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d. The regression coefficient of gender shows that on the average, while holding other variables constant, males are 2.574 inches taller than the their female counterparts.

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