Answer:
5
Step-by-step explanation:
<h3>Given</h3>
<u>In and AP</u>
<h3>Solution</h3>
<u>Formula for the terms of AP:</u>
<u>The difference of terms:</u>
- a + 3d - (a - d) = 13 - 3
- 2d = 10
- d = 5
Answer:
This is not a right triangle(No)
Step-by-step explanation:
Answer:


Step-by-step explanation:
Represent trees with T and wreaths with W
Given


Solving (a): Cost of W
Substitute 3 + 4 * W for T in the second equation


Collect Like Terms


Divide through by 6


Hence, each wreath costs $16
Solving (b): Cost of T

Substitute 16 for W



Hence, each tree costs $67
Answer:
C
Step-by-step explanation:
Number of points Jill scored in the first 4 games = 4 * 4 = 16
number of points Jill scored in the first 4 games = 6 * 9 = 54
total points Jill scored in 10 games 16 + 54 = 70
the average number of points after 10 games = 70 / 10 = 7 points