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aliya0001 [1]
3 years ago
6

What does 12/18÷3/5 equal to in simplest form?

Mathematics
1 answer:
natita [175]3 years ago
3 0

Answer:

10/9

Step-by-step explanation:

12/18÷3/5

Simplify

2/3÷3/5

Rule: a÷b/c=a*c/b

2/3*5/3

Rule: a/b*c/d=ac/bd

2/5*3/3

Simplify

10/3*3

Simplify

10/9 (decimal 1.1...)

Hope this help's :)

​  

 

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In a class of 30 students, 12 have a brother and 25 have a sister. There are 2 students who do not have any siblings. What is th
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Josh travels frequently. For a particular airline, it takes 20 minutes for the first bag to arrive in baggage claim after a flig
Orlov [11]

Using the uniform distribution, it is found that:

A,B) 0.3 of the time does it take longer than 27 minutes for Josh’s bag to arrive in baggage claim.

C) 20% of the time does Josh’s bag arrive in less than 22 minutes.

--------------------------

An uniform distribution has two bounds, a and b.  

The probability of finding a value of at lower than x is:

P(X < x) = \frac{x - a}{b - a}

The probability of finding a value between c and d is:

P(c \leq X \leq d) = \frac{d - c}{b - a}

The probability of finding a value above x is:

P(X > x) = \frac{b - x}{b - a}

--------------------------

  • In the graph, we have that the distribution is uniform between 20 and 30 minutes, thus a = 20, b = 30

--------------------------

Itens a and b:

  • Above 27 minutes, thus:

P(X > 27) = \frac{30 - 27}{30 - 20} = 0.3

0.3 of the time does it take longer than 27 minutes for Josh’s bag to arrive in baggage claim.

--------------------------

Item c:

  • Less than 22 minutes, thus:

P(X < 2) = \frac{22 - 20}{30 - 20} = 0.2

0.2*100 = 20%

20% of the time does Josh’s bag arrive in less than 22 minutes.

A similar problem is given at brainly.com/question/15855314

6 0
3 years ago
You normally sell 72 tacos for every 50 people that stop by your taco truck . How many tacos would you expect to sell if 275 cam
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Answer:

about 396 tacos

Step-by-step explanation:

First, figure out how many per person.

72 tacos / 50 people = about 1.44 (per person)

275 * 1.44 = about 396 tacos

8 0
3 years ago
Read 2 more answers
ou invested 7000 between two accounts paying 4% and 9% annual​ interest, respectively. If the total interest earned for the year
lana [24]

9514 1404 393

Answer:

  • $3000 at 9%
  • $4000 at 4%

Step-by-step explanation:

Let x represent the amount invested at 9%. Then 7000-x was invested at 4% and the interest earned was ...

  9%·x +4%(7000-x) = 430

  5%·x +280 = 430 . . . . . . . . . simplify

  0.05x = 150 . . . . . . . . . . . subtract 280

  x = 3000 . . . . . . . . . . divide by 0.05

$3000 was invested at 9%; $4000 was invested at 4%.

7 0
3 years ago
Find the distance between these points: (-3, 8) and (-5,1)
irina1246 [14]

Answer:

7.28011

Step-by-step explanation:

X1 =-3

X2 =-5

Y1 =8

Y2 =1

Distance Formula = √(X2-X1)²+ (Y2-y1)²

Step 1. calculate (X2-X1)²

(-5 - -3)2 = 4

Step 2. calculate (Y2-Y1)²

(1 - 8)2 = 49

Step 3. calculate √4 + 49

                = 7.28011

5 0
3 years ago
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