a.
To find the total number of pixels.
a.
Answer to Problem 37E
The total number of pixels is
Explanation of Solution
Given information:
Number of pixels in a row is 1280.
Number of pixels in a column is 1024.
Calculation:
The total number of pixels is the product of the number of pixels in a row and the number of pixels in a column.
So, the expression for total number of pixels is
Number of pixels in a row is 1280.
Number of pixels in a column is 1024.
Now,
Substitute,
So, total number of pixels is obtained as:
Hence,
The total number of pixels is
b.
To find the number of megapixels in the image having 1280 pixels in a row and 1024 pixels in a column.
b.
Answer to Problem 37E
The total number of megapixels is
Explanation of Solution
Given information:
One megapixel is equal to 1,000,000 pixels.
Calculation:
The total number of pixels is the product of the number of pixels in a row and the number of pixels in a column.
Since, one megapixel is equal to 1,000,000 pixels.
So, the expression can be written as:
Substitute,
The total number of megapixels is 1.31.
c.
To explain whether the print is clear if the length and width of the photo is 8 inches and 10 inches.
c.
Answer to Problem 37E
Clear print of this photo is not possible.
Explanation of Solution
Given information:
The print will be clear if the value of the expression
Length of photo is 8 inchs.
Width of photo is 10 inches.
Calculation:
Total number of megapixels is 1.31 so,
Length of photo is 8 inches so,
Width of photo is 10 inches so,
The print will be clear if the value of the expression
So, the expression is:
Now, Substitute,
Since, 0.016375 is less than 0.017.
Hence, the resulted ratio is less than the required factor, so a clear print of this photo is not possible.
Chapter 1 Solutions
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
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