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Naily [24]
3 years ago
6

A. imagine that you are one of the people who left the luncheon with a contagious disease and interacted with an average of 9 di

fferent people each day. how many people could potentially be infected in 7 days?
b. imagine the other remaining persons who received the contagious disease at the end of the luncheon interacted with an average of 6 different people per day. how many people could potentially be infected in 7 days by these others who left the luncheon?​
Mathematics
1 answer:
shusha [124]3 years ago
8 0

1.       In line with the test each person who came into interaction with the infected person will become infected also. With this information, the calculation would be: 9 people each day for 7days would be equivalent to 9 x 7 which equals 63 people.

2.       Here were 7 other people in the experiment if patient zero is left out. If each person intermingled with 6 different people every day in 7 days then the calculation would be: 7 people infected x 6 new people = 42 infected people each day

42 new people every day x 7 days = 294 infected persons.

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2) How can 4(3 + 8) be rewritten using the distributive property?
Lena [83]
1. 4(3 + 8)
= (4 * 3) + (4 * 8)
= 12 + 32
= 44
So, the answer to this question is the third option.
Glad I could help and have a fantastic day!
Also, can you please mark my answer as the brainliest answer?
Thanks.
8 0
3 years ago
John wants to nail a thumbtack on his circular board, pictured below. If the thumbtack is equally likely to be placed anywhere o
Nikitich [7]

Answer: A. 51%

Step-by-step explanation:

Area of circle = \pi r^2 , where r = radius of the circle.

In the figure below, we have the complete question.

According to that,

Radius of outer circle = 7ft

Radius of inner circle = 5ft

The probability that the thumbtack will be placed on the inner circle

=\dfrac{\text{Area of inner circle}}{\text{Area of outer circle}}\\\\=\dfrac{\pi (5)^2}{\pi (7)^2}\\\\=\dfrac{25}{49}[π is canceled from numerator and denominator

in percent, \dfrac{25}{49}\times100=51.0204081633\%\approx51\%

So, the probability that the thumbtack will be placed on the inner circle = 51%

Hence, the correct option is A. 51%.

6 0
3 years ago
PLEASE HELP!!!!!!!!!!!!!!!!!! <br><br> Find the perimeter of the figure to the nearest hundredth.
garik1379 [7]

Answer:

26.86

Step-by-step explanation:

P = 5 + 7 + 7 + C {divided by} 2

C = d {times} π

  = 5 {times} 3.14

  ≈ 15.71

P = 19 + 15.71 {divided by} 2

  = 19 + 7.855

  = 26.855

  ≈26.86

8 0
3 years ago
Complete the sentence.<br><br> Twenty-seven is % of 60.
tekilochka [14]
The answer is 16.2%
5 0
2 years ago
Read 2 more answers
what is the complete factorization of the polynomial function over the set of complex numbers? f(x)=x^3-4x^2+4x-16
Shtirlitz [24]
The answer is f(x)=(x-4)(x^2+4)
5 0
3 years ago
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