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nlexa [21]
3 years ago
9

The numbers of pages in the books in a library follow a normal distribution. If the mean number of pages is 180 and the standard

deviation is 30 pages, what can you conclude?
Mathematics
1 answer:
Katena32 [7]3 years ago
8 0
16% have fewer pages
84% have more pages
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Please help, brainliest!!
RSB [31]

Answer:

4(6x) + 4(12)

Distributive property

4(6x + 12) =  4(6x) + 4(12)

To see if the answer is correct, we can solve the equations

24x + 12 = 24x + 12

The expressions are equal, so the equivalent expression provided is correct

Hope this helps :)

6 0
3 years ago
Conrad had $110 to spend on 9 cheese pizzas for a party. After buying them, he had $8.75 left. How much did each pizza cost? Sho
Igoryamba
Subtract 110 and 8.75 and you get 101.25 then divide that by 9 and you get 11.25

3 0
3 years ago
If a family spend $840 in a year on rent how much do they spend in a manth
dalvyx [7]
Month*
divide 840 with 12
as 1 year has 12 months
and you get 70$

so the family spends $70 every month
4 0
3 years ago
An integer between 4.5 and 5.5
Brums [2.3K]

Answer: 5

Step-by-step explanation:

the only whole number between them is 5 <3

3 0
3 years ago
Marco earns $36.50 per hour show that the relationship between the amount he earns and the number of hours he works is proportio
Korolek [52]

To establish this equation we first need to assign some variables.

Let us assign x as the number of hours he has worked

and assign y as the total amount of money that he has earned

Therefore the equation y=36.50x is the equation that correctly represents how much money he makes regardless of how many hours he works.  Just plug in how many hours you want for x and then solve the equation and you will get how much money he makes in x amount of hours.  This is also proportional because for every hour that he works he gets the same salary of 36.50.  It is proportional because no matter how many hours he works the salary will go up the same amount for each extra hour he works.  The proportion is 36.50 dollars per hour worked.

3 0
3 years ago
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