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Rasek [7]
2 years ago
15

A pediatrician has smallpox vaccines numbered 1,2,3, chickenpox vaccines numbered 1,2,3,4,5,6, and influenza vaccines numbered 1

,2. If a single vaccine is picked at random, what is the probability that it is not an influenza vaccine?
Provide the final answer as a fraction.
Mathematics
1 answer:
Elis [28]2 years ago
8 0

Answer:

it's c

Step-by-step explanation:

because it is

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Leo, Kush and Mai share some money in the ratio 3:5:8
Marta_Voda [28]

Answer:

The total amount of money that they shared is \£6,000

Step-by-step explanation:

Let

x-----> amount of money Leo shares

y-----> amount of money Kush shares

z-----> amount of money Mai shares

we know that

\frac{x}{y} =\frac{3}{5}

x=\frac{3}{5}y -----> equation A

\frac{y}{z} =\frac{5}{8}

z=\frac{8}{5}y -----> equation B

\frac{x}{z} =\frac{3}{8}

z=\frac{8}{3}x -----> equation C

y=x+750 ------> equation D

substitute equation A in equation D and solve for y

y=\frac{3}{5}y+750

y-\frac{3}{5}y=750

\frac{2}{5}y=750

y=750*5/2=\£1,875

Find the value of x (equation A)

x=\frac{3}{5}(1,875)=\£1,125

Find the value of z (equation C)

z=\frac{8}{3}(1,125)=\£3,000

therefore

The total amount of money is equal to

x+y+z=\£1,125+\£1,875+\£3,000=\£6,000

5 0
3 years ago
Just two more thanks for all the help thus far
guapka [62]

Answer:

The answer can be calculated by doing the following steps;

Step-by-step explanation:

3 0
3 years ago
3b-4/2 = c (solve for b)<br><br> please show work, thanks!
liq [111]

Answer:

Step-by-step explanation:

1. multiply both sides by 2

<em>3b-4=2c</em>

2. add 4 to both sides

3b=2c+4

3. divide both sides by 3

b= \frac{2b+4}{3}

6 0
3 years ago
What are the different types of gons. (hexagon, octagon, decagon)
Colt1911 [192]
There could be one more pentagon 

**As far as I know 
3 0
3 years ago
Explain the error. To find her total earnings for those two weeks, Nadia writes 7.5 x 18.5 + 20 =$158.75. Show the correct solut
noname [10]

Answer:

it should be 20

Step-by-step explanation:


3 0
3 years ago
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