Answer:
2m - 20
Step-by-step explanation:
Given that:
First week minutes = m
Second week minutes = (2 * first week minutes - 20)
Second week = 2m - 20
Therefore, the expression for the number of practice minutes for the second week is :
2m - 20
Answer:
- perimeter: 36 units
- area: 54 square units
Step-by-step explanation:
The perimeter is multiplied by the scale factor:
image perimeter = 3 × original perimeter = 3×12 = 36 units
The area is multiplied by the square of the scale factor:
image area = 3² × original area = 9×6 = 54 square units
Answer:
8 2/3
Step-by-step explanation:
Answer:
A: enlargement B: 2
Step-by-step explanation:
im pretty sure this is correct
The answer is A 2/5 just convert them all to be fractions with a denominator of 15 and put them in order and look for the middle one