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notsponge [240]
3 years ago
12

Markus sent a chain letter to his friends, asking them to forward the letter to more friends. The relationship between the elaps

ed time, t tt, in days, since Markus sent the email, and the total number of people who receive the email, P ( t ) P(t)P, left parenthesis, t, right parenthesis, is modeled by the following function: P(t)=6⋅(1.43)t Complete the following sentence about the daily percent change in the number of people who receive the email. Every day, % %percent of people are added to / subtracted from the total number of people who receive the email.
Mathematics
2 answers:
rjkz [21]3 years ago
8 0

Answer:

MArkus is a homesexual a man with many homies

Step-by-step explanation:

Ray Of Light [21]3 years ago
4 0

Answer:

Every day, 43% percent of people are added from the total number of people who receive the email

Step-by-step explanation:

we know that

The equation of a exponential growth function is given by

P(t)=a(1+r)^t

where

P(t) is the total number of people who receive the email

t is the time in days

a is the initial value

r is the rate of change

we have

P(t)=6(1.43)^t

so

a=6 ---> initial number of people who receive the email

(1+r)=1.43

solve for r

r=1.43-1\\r=0.43

Convert to percentage

0.43(100)=43\%

so

The daily percent change in the number of people who receive the email. every day is 43%

therefore

Every day, 43% percent of people are added from the total number of people who receive the email

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KATRIN_1 [288]

Answer: The age of the twins is 10 years.

Step-by-step explanation:

Suppose the age of older sister be x

Let the age of twins sister be x-9, as they are born after 9 years.

Product of their ages be

x(x-9)(x-9)\\\\=x(x^2-18x+81)\\\\=x^3-18x^2+81x

Sum of their ages will be

x+x-9+x-9\\\\=3x-18

According to question,

1861+3x-18=x^3-18x^2+81x\\\\x^3-18x^2+81x-3x+18-1861=0\\\\x^3-18x^2+78x-1843=0\\\\x=19

So, Age of older sister will be 19 years.

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19-9=10\ years

Hence, the age of the twins is 10 years.

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jenyasd209 [6]

Answer:

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3 years ago
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Step-by-step explanation:

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