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olya-2409 [2.1K]
3 years ago
5

What is the probability that a randomly selected person from this study tried to quit smoking using a lozenge given that they al

so use gum?

Mathematics
1 answer:
anastassius [24]3 years ago
7 0

Answer:

866/733

Step-by-step explanation:

172 divided by the total numbers

i.e 172/239+102+40+106+661+60+172+86

=172/1466

=86/733

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A Japanese bullet train travels 558 miles per 3 hours A. What is the rate B. How far does the train travel in 1 hour WHO EVER A
Delicious77 [7]

Answer:

Step-by-step explanation:

Remark

The rate is going to be the same as the distance travelled in 1 hour. The units will be different.

Formula

d = r * t

Givens

d = 558 miles

t = 3 hours

Problem A

r = d / t

r = 558/ 3 = 186 miles / hr

Problem B

Givens

r = 186 miles / hour

t = 1 hour

d = ?

Solution

d = 186 mi/hr * 1 hr

d = 186 miles

<u>Note</u>

This looks really trivial, but it's not. You have to learn to see the difference between a number and its units. It's not very often that the numbers will be the same, but if the units differ, then it is an entirely different question.

7 0
3 years ago
How many fixed-requirement constraints does a transportation problem with 5 factories and 6 customers have?a. 30.b. 11.c. 6.d. 5
bulgar [2K]

Answer:

Option B

Step-by-step explanation:

From the question we are told that:

Demand point m=5

Supply Point n=6

Generally the equation for fixed-requirement constraints is mathematically given by

 X=m+n

 X=5+6

 X=11

Therefore the correct option is

Option B

7 0
3 years ago
I nees it asap please​
yaroslaw [1]

Answer:

A

Step-by-step explanation:

Area of a square=L^2

Area=(7a4b8)^2

Area=49a8b16

6 0
3 years ago
Solve showing all work<br> Y=x^2+3 <br> y=x+5
Romashka-Z-Leto [24]

Answer:

x=2 , x=(-1)

Step-by-step explanation:

y=x^2+3----------1

y=x+5-------------2

1=2

x^2+3 = x+5

x^2-x-2=0

(x-2)(x+1)=0

x=2 , x=(-1)

8 0
3 years ago
Jill collected a total of 19 gallons of honey. If she distributed all of the honey equally between 9 jars how much will be in ea
Ratling [72]
There would be 2g in each jar
8 0
4 years ago
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