I just need help on this.
2 answers:
Answer:
Step-by-step explanation:
From the problem statement:
"I am less than one-half"
This means that the number is less than , or 0.50
"but greater than four tenths"
This means that the number is greater than , or 0.40
"I am a decimal with the digit 2 in my hundredths place"
This means that the number follows the format 0.x2, so we just need to figure out what x is. We know that the number is between 0.40 and 0.50, so the number in this case would be 0.42
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Answer:
Step-by-step explanation:
The first step is to add -5 to both sides:
The next step is to divide 3 on both sides:
Answer:
6.31 mi
Step-by-step explanation:
The diagram below explains the solution better.
From the diagram,
C = starting point of the race.
A = end of the first part of the race.
B = end of the race.
Using Cosine rule, we can find the straight-line distance between the starting point and the end of the race.
Cosine rule states that:
where A = angle A = <A
Given that
b = 5.2 miles
c = 2.0 miles
<A = 115° (from the diagram)
Hence,
The straight-line distance between the starting point and the end of the race is 6.31 mi
