Mathematics, 27.10.2019 02:43, ramberson101

Arecent flu epidemic, the number of flu cases increased by 40% each week. there were 3,000 flu cases during the first week of january. how many more people were affected by the flu during the third week of january than during the first week?

Answers: 3

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In this question it is already given that the number of flu cases increases by 40% each week. The number of flu cases in the first week of January was 3000. Now we have to deduce the number of more people affected by flu during the third week of January.
Percentage of increase in the number of flu cases per week = 40%
Number of people affected by flu during 1st week of January = 3000
Then
Number of people affected by flu during the 2nd week of January = (40/100) * 3000
   = 40 * 30
   = 1200
Then after 2 weeks the number of people affected by flu = (3000 + 1200)
   = 4200
The number of people affected by flu during
the 3rd week of January = (40/100) * 4200
   = 40 * 42
   = 1680
So the total number of people affected by flu during
the 2nd and 3rd week of January = (1200 + 1680)
   = 2880
So from the first week of January to the third week of January total of 2880 more people were affected by flu.

answered: keigleyhannah30

2880

Step-by-step explanation:

Like I don't know

answered: Guest

Okay so for every triangle has three angles that always add up to 180 degrees. and to tell the difference between whether they are secure, right or obtuse is that acute: has one angle that is less than 90 degrees. right triangle means there is at least one angle that is exactly 90 degrees. and an obtuse angle has an angle that is bigger than 180 degrees. i’ll do #13 as an example: 13. 40 and 50 so if every triangle has 180 degrees 40+50= 90 degrees then180-90= 90 degrees so the third angle is 90 degrees and because this triangle has a 90 degree angle it means it is a right triangle

answered: Guest

system of linear equation

step-by-step explanation:

as given in the data

a= 20 , b= -12

let us suppose that it is a straight line equation

now we know the formula for the system of linear equation

b= ma + c )

here m is slope of a straight line which is equal to formula

m= $\frac{b}{a}$ (ii)

and here c is a constant

now putting the value of a and b in equation (ii)

m= $\frac{-12}{20}$

m= $\frac{-3}{5}$

putting the value of a,b and m in equation (i) gives us

-12 = $\frac{-3}{5} *20$ + c

-12=-12 + c

adding 12 to both sides

-12 +12 = -12 +12 +c

0 =c

or c=0

as the value of the constant is zero which gives us that it is a linear equation and this order pair satisfies the system of linear equations.

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Arecent flu epidemic, the number of flu cases increased by 40% each week. there were 3,000 flu cases...