Answer: 3 lessons
Step-by-step explanation:
Matt starts swimming lessons on Day 5.
He then goes to swimming lessons every 10 days. The dates he went on lessons are therefore:
First lesson = Day 5
Second lesson = Day 5 + 10 days = Day 15
Third lesson = Day 15 + 10 days = Day 25
Fourth lesson = Day 25 + 10 days= Day 35
<em>He therefore only went for 3 lessons because the 4th lesson was after Day 30. </em>
Answer:
3n^2+7n-5
Step-by-step explanation:
Distribute n to 3n and -1
Distribute 5 to 3n and -1
then you have 3n^2-n+8n-5
Use the like terms principle to get
3n^2+7n-5
Answer:
Step-by-step explanation:
Since the figure is a square, the area is (1/3)^2 or 1/3 x 1/3
The area is 1/9 square inches.
Answer:
13
Step-by-step explanation:
39 divided by 3 = 13
52 divided by 4 = 13
65 divided by 5 = 13
so therefore, the constant of proportionality is 13