Concept explainers
a.
To approximate:
The mass of the squid.
a.
Answer to Problem 28E
The mass of the squid is approximately 667 grams.
Explanation of Solution
Given:
An arrow squid has a beak used for eating. Given the length b (in millimeters) of an arrow squid’s lower beak, you can approximate the squid’s mass (in grams) using function
The beak of an arrow squid washes ashore on beach, where it is found and measured by a biologist. The lower beak has a length of 5 millimeters.
Calculation:
To solve our given problem, we will substitute
Therefore, themass of the squid is approximately 667 grams.
b.
To approximate:
How long is the lower beak of an arrow squid to the nearest tenth of a millimeter with a mass of 1100 grams?
b.
Answer to Problem 28E
The length of the lower beak of an arrow squid would be approximately 6.8 millimeters.
Explanation of Solution
Given:
An arrow squid has a beak used for eating. Given the length b (in millimeters) of an arrow squid’s lower beak, you can approximate the squid’s mass (in grams) using function
The beak of an arrow squid washes ashore on beach, where it is found and measured by a biologist. The lower beak has a length of 5 millimeters.
Calculation:
To find the length of the lower beak of an arrow squid we will substitute
Therefore, thelength of the lower beak of an arrow squidwould be approximately 6.8 millimeters.
Chapter 8 Solutions
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
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