3. Suppose a person carrying a virus returns to an isolated group of 100 persons. Assume that the day rate at which the virus spreads out is proportional to the multiplication of the number of infected persons and the number of non-infected persons. It is observed that the number of infected persons is 7 after 4 days. Determine the number of infected persons after 10 days. {60 persons after truncation}

Q: 1+1(9)-20

A: The given expression is 1+1(9)-20 When we multiply any number by 1 the result is 1. So when we…

Q: (-5-20-100 to

A:

Q: (b) Find all x-intercepts and y-intercepts. Check all that apply. | 3 | 2 O None intercept(s): y-…

A: (b) X-intercept: The x-intercept is the point on the graph where a line crosses the x-axis. The…

Q: 4+(9+2)=(10+ )

A:

Q: x + 12 + x = 48

A: Solution

Q: 2+2-w

A: To simplify  2+ 2- w

Q: 5n+34=-2(1-7)

A: Consider the following expression: 5n+34=-21-75n+34=-2×-65n+34=125n=12-345n=-22n=-225n=-4.4

Q: 3-4+8

A: 3-4+8 =-1+8 =8-1 7

Q: 1 L (s- 4)6 J

A:

Q: 8+9-10

A: Given that                                            8+9-10 here we will use BODMAS B= Bracket  O=…

Q: 18-2(3+4)

A: The given expression is;

Q: 20+(-4)(-5)

A: The calculation for 20+(-4)(-5) is presented as follows:

Q: 4(p-4)-(p+7)=5(p-3)

A: Solved below

Q: 8- 6- +2+ -4- +8- to

A: DOMAIN: The values of x will define the domain of a function. RANGE: The values of y or f(x) will…

Q: 3z-13-z+5=0

A: Given equation is

Q: (7-3)(4+10)+3

A: Solve the given equation

Q: squareroot z+8=3

A:

Q: 13-2+3

A: this is a simple calculation question we will simplify this by normal calculation.

Q: K2  - 6k - 14 = -7

A: For the value of k, we have to factorise the given polynomial function.

Q: -5+2(8-12)

A: Use PEMDAS rule to simplify.First we work with the parenthesis. In it 8-12=-4

Q: 8 + 7(42 - 3)

A: 8 + 7(42 - 3) = ?

Q: - 6 = r-6. 3C

A: The given expression is: x-6=x-6