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BlackZzzverrR [31]
3 years ago
9

The monthly expenditures on food by single adults in one city are monthly distributed with a mean of $410 and a standard deviati

on of $70
Mathematics
1 answer:
Keith_Richards [23]3 years ago
6 0

Answer:

is the whole question asked?

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The sum of two numbers is 21 and their difference is 7 what are those two numbers
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If you need the sum than here is an equation for it 7x3= 21
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I will give 50 points
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High

Step-by-step explanation:

the only numbers that don't overlap is 53 and 59 all the others would overlap.

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There are 7 books on the floor. The number of books on the shelf is 2 more than 3 times a number of books on the floor. How many
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O perimetro de uma praça é 320 m. Qual o valor do seu diâmetro
never [62]

Answer:

A área de um quadrado cujo perímetro é de 320 m é 6400 m2

Step-by-step explanation:

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3 years ago
emma will roll two number cubes labeled 1 through 6. She will record the sum of the two numbers after each roll. She will roll t
SashulF [63]

Answer:

75 times

Step-by-step explanation:

First of all let's ook at the 36 possible outcomes and their sums.

2=1,1

3=1,2 2,1

4=1,3 ; 2,2 ; 3,1

5=1,4 ; 2,3 ; 3,2 ; 4,1

6=1,5 ; 2,4 ; 3,3 ; 4,2 ; 5,1

7=1,6 ; 2,5 ; 3,4 ; 4,3 ; 5,2 ; 6,1

8=2,6 ; 3,5 ; 4,4 ; 5,3 ; 6,2

9=3,6 ; 4,5 ; 5,4 ; 6,3

10=4,6 ; 5,5 ; 6,4

11=5,6 ; 6,5

12=6,6

Looking at the above, there are 4 sums equal to 5 out of a total of 36 sums.

Thus, probability of getting a sum equal to 5 is;

P(5) = 5/36

Now,since the cubes are rolled 540 times, number of times a sum equal to 5 will appear will be;

(5/36) x 540 = 75 times

4 0
3 years ago
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