A 7-pack of frozen waffles costs 4.76. What is the unit price?
2 answers:
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Given:
Number of students = 35
Two out of every five boys in the club are boys.
To find:
The number of students in the club that are boys.
Solution:
Two out of every five boys in the club are boys. It means, the ratio of boys to the total number of student is 2:5.
Let the number of boys be 2x and number of students be 5x.
According to the question,
Now, the number of boys is
Therefore, 14 students in the club are boys.
The magnitude of the vectors is 7.2
The magnitude of a vector is resolved by using a formula
<h3>Magnitude of a Vector</h3>This is the displacement between two vectors and can be calculated as
where x is the magnitude of displacement between y and z.
In this question, the vectors are
- -4
- -6
Let's find the magnitude of this vector
The magnitude of the vectors is 7.2
Learn more on magnitude of vectors here;