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Novay_Z [31]
3 years ago
13

Q2.3. What is the lowest value for proportion to vaccinate that protects the entire population from a smallpox epidemic

Mathematics
1 answer:
Sveta_85 [38]3 years ago
7 0

Answer:

0.85 ( lowest value proportion to vaccinate )

Step-by-step explanation:

Using the herd immunity relationship

Vc = E - ( E / Ro )

Vc = critical vaccination level

E = vaccine effective against the transmission = 1

Ro = Basic reproduction number

lets assume the effectiveness of the transmission  = 100% = 1

lets assume the

Vc = 1 - ( 1 / 3  ) = 67%

but the lowest value proportion to vaccinate = 85%

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Luden [163]

Answer:

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8 0
2 years ago
Find the solution for x if |5x – 2| = 13.
Licemer1 [7]

Answer:

x=1 if that's 15 x

Step-by-step explanation:

4 0
2 years ago
David and Rob each got the same-size pack of crackers. David
Mamont248 [21]

Answer: Rob ate more crackers.

Symbol answer: 6/12 < 9/12

Step-by-Step explanation:

Common knowledge: Anytime you have the same numerator, with a different denominator, the one with the bigger denominator is always smaller. For example, if had a pizza with 6 slices and a pizza with 4 slices, the one with 6 slices and smaller and the one with 4 slices and bigger. Even though 6>4 that mindset has to change when thinking about a problem like this.

<em>Another explanation: </em>

<em>If you still don’t get it, simply find a common denominator, so we’ll choose 12. Take 3/6 and multiply that by 2/2 so you get 6/12 and then take 3/4 and multiply that by 3/3 on both the (numerator and denominator) and that equals 9/12.</em>

<em>So now you have the expression: 6/12<9/12.</em>

7 0
2 years ago
90 points
yan [13]

Answer:

Pythagorean Theorum is defined in Mathematics by a^2 + b^2 = c^2.

One leg (a) is 5. The other leg (b) is 13.

Let's use Pythagorean Theorum.

5^2 + 13^2 = c^2

5 • 5 = 25

13 • 13 = 169

25 + 169 = 194.

Step-by-step explanation:

Hope this helps

5 0
2 years ago
Read 2 more answers
How do you find three ordered pairs for -x+2y=-8
zvonat [6]
For a linear equation like this there will always be infinitely many solutions if you let x and y be any real number. So you can just pick any x and find the corresponding y. Take for exmaple x=1 then we get
-1+2y=8
2y=9
y=9/2=4.5 so an ordered pair that satifies your equation is (x,y)=(1,9/2).
Now you can go on and find more.
7 0
2 years ago
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