Pile Y has the greater mean number of pages per book because it is 5 books less than pile W.
<h3>How to calculate greater mean number of pages?</h3>
From the complete information, we can deduce that the number of each pile of book is given as follows:
<u>For pile W;</u>
Red books = 10 × 5 = 50 red books.
Blue books = 5 × 5 = 25 blue books.
Therefore, total books in pile W = 50 + 25 = 75 books.
Mathematically, the mean for each pile can be calculated by using the following formula:
Mean = [F(x)]/n
Mean = 75/10
Mean = 7.5.
<u>For pile Y;</u>
Red books = 10 × 5 = 50 red books.
Mean = [F(x)]/n
Mean = 50/5
Mean = 10.
In conclusion, pile Y has the greater mean number of pages per book because it is 5 books less than pile W.
Read more on mean here: brainly.com/question/9550536
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Use PEMDAS
P Parentheses first
E Exponents (ie Powers and Square Roots, etc.)
MD Multiplication and Division (left-to-right)
AS Addition and Subtraction (left-to-right)
![(15-7)(4\div2)=(8)(2)=16](https://tex.z-dn.net/?f=%2815-7%29%284%5Cdiv2%29%3D%288%29%282%29%3D16)
Answer:
m = -1.3
Step-by-step explanation:
subtract 3.7 from both side so it gets you 2.4-3.7 = m
then you will get -1.3
Answer:
![2.16 \times {10}^{ - 4}](https://tex.z-dn.net/?f=2.16%20%5Ctimes%20%20%7B10%7D%5E%7B%20-%204%7D%20)
Step-by-step explanation:
The lab technician is dividing a cell that has a diameter of
![4 .32 \times {10}^{ - 4}](https://tex.z-dn.net/?f=4%20.32%20%5Ctimes%20%20%7B10%7D%5E%7B%20-%204%7D%20)
The new cells has a diameter that is half of the diameter of the original cell.
The diameter of the new cell is given as:
![\frac{4.32 \times {10}^{ - 4} }{2}](https://tex.z-dn.net/?f=%20%5Cfrac%7B4.32%20%5Ctimes%20%20%7B10%7D%5E%7B%20-%204%7D%20%7D%7B2%7D%20)
Rewrite the numerator in standard notation:
![\frac{0.000432}{2}](https://tex.z-dn.net/?f=%20%5Cfrac%7B0.000432%7D%7B2%7D%20)
![= 0.00216](https://tex.z-dn.net/?f=%20%3D%200.00216)
We rewrite in scientific notation to obtain:
![2.16 \times {10}^{ - 4}](https://tex.z-dn.net/?f=2.16%20%5Ctimes%20%20%7B10%7D%5E%7B%20-%204%7D%20)
Answer:
Kidz comic costs the most
<em></em>
Step-by-step explanation:
Given
Family Fun
![C(x) = 1.99x](https://tex.z-dn.net/?f=C%28x%29%20%3D%201.99x)
Kidz Comics
--- monthly rate
--- delivery charge
Required
Which is more expensive
A linear function is represented as:
![f(x) = mx + b](https://tex.z-dn.net/?f=f%28x%29%20%3D%20mx%20%2B%20b)
Where
![m = rate](https://tex.z-dn.net/?f=m%20%3D%20rate)
--- i.e. the base charge
So, for Kidz comic; We have:
![f(x) = mx + b](https://tex.z-dn.net/?f=f%28x%29%20%3D%20mx%20%2B%20b)
![C(x) = 1.85x + 10](https://tex.z-dn.net/?f=C%28x%29%20%3D%201.85x%20%2B%2010)
To calculate the annual cost, we set x = 12; i.e. 12 months.
So, we have:
---- Family Fun
![C(12) = 1.99 * 12](https://tex.z-dn.net/?f=C%2812%29%20%3D%201.99%20%2A%2012)
![C(12) = 23.88](https://tex.z-dn.net/?f=C%2812%29%20%3D%2023.88)
--- Kidz comic
![C(12) = 1.85*12 + 10](https://tex.z-dn.net/?f=C%2812%29%20%3D%201.85%2A12%20%2B%2010)
![C(12) = 22.2 + 10](https://tex.z-dn.net/?f=C%2812%29%20%3D%2022.2%20%2B%2010)
![C(12) = 32.2](https://tex.z-dn.net/?f=C%2812%29%20%3D%2032.2)
By comparison
![32.2 > 23.88](https://tex.z-dn.net/?f=32.2%20%3E%2023.88)
<em>Hence, Kidz comic is more expensive</em>