I'd really appreciate it if someone could help me with these square problems :/
1 answer:
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Answer: 78125 ways
Step-by-step explanation:
Given : The number of possible grades = 5
The number of students in the class = 7
Then, the number of ways to assign grades to a class of seven students :_
Hence, there are 78125 ways to assign grades to a class of seven students .
<h2><u>Direct answer</u> :</h2>
Width of the enlarged photograph = 14 cm
<h2><u>Steps to derive the correct answer</u> :</h2>Length of a small photograph = 6 cm
Width of a small photograph = 4 cm
Length of the photograph when enlarged = 21 cm
Let the width of the photograph when enlarged be x.
Which means :
Thus, the value of x = 14
Therefore, the width of the enlarged photograph = <u>14 cm</u>