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Serjik [45]
3 years ago
13

Iswar can read 5 pages in 15 min . Anne can read 15 pages in 1 hour .Explain how you could use a table or graph to find how much

longer it would take Anne to read 300 page book than Iswar ​
Mathematics
1 answer:
Alexus [3.1K]3 years ago
7 0

Answer:

300\ minutes  or  5\ hours

Step-by-step explanation:

step 1

Iswar

we know that

Iswar can read 5 pages in 15 min

so

by proportion

Find how much long it take Iswar to read 300 pages

\frac{15}{5}\frac{minutes}{pages} =\frac{x}{300}\frac{minutes}{pages}\\ \\x=300*15/5\\ \\x=900\ minutes

step 2

Anne

we know that

Anne can read 15 pages in 60 min (1 hour)

so

by proportion

Find how much long it take Anne to read 300 pages

\frac{60}{15}\frac{minutes}{pages} =\frac{x}{300}\frac{minutes}{pages}\\ \\x=300*60/15\\ \\x=1,200\ minutes

step 3

Find the difference

1,200\ minutes-900\ minutes=300\ minutes

300\ minutes=5\ hours

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Marizza181 [45]

Answer:

a) 0.4

b) 0.28

c) The events are not independent

d) The events are not mutually exclusive

Step-by-step explanation:

Hi!

Lets call:

Gar = {homes with garage}

Pool = {homes with pool},  

A = {homes with pool and garage}  = Gar ∩ Pool

The data we are given is:

P(Gar) = 0.56

P(Pool) = 0.27

P(A) = 0.16

a) B = {homes with garage but not pool}. This set B is the set Gar without set A: B = Gar / A  

P(B) = P(Gar) - P(A) = 0.4

b) This is a conditional probability:

P(Pool | Gar) = P(Gar ∩ Pool) / P(Gar) = 0.16/0.56 = 0.28

c) To be independent events, it must be, by definition:

P(Gar ∩ Pool) = P(Gar) * P(Pool)

0.16 ≠ 0.56*0.27 = 0.15

Then, the events Gar and Pool are not independent

d) Gar and Pool are not mutually exclusive, because there are houses with both pool and garage. We know that because P(A) is not zero.

5 0
3 years ago
Suppose we describe the weather as either hot ​(Upper H​) or cloudy ​(Upper C​). Answer parts​ (a) and​ (b) below.
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Answer:

{HH,CC,HC,CH}

Step-by-step explanation:

We are given that

H denotes hot and cloudy denotes C.

We have to find the  total possible outcomes for the weather on two consecutive days.

The possible cases in two consecutive days

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Both days are cloud=CC

First day is hot  other day cloudy=HC

First day is cloudy other day is hot=CH

Total possible cases=HH,CC,HC,CH

Therefor, the total outcomes for the weather on two consecutive days={HH,CC,HC,CH}

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Answer:

The force required is 6000

Step-by-step explanation:

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