Answer:
170
Step-by-step explanation:
A heptagon's internal angles add up to 900 degrees.
So:
(2x-13)+(3x-8)+(2x-3)+(2x-7)+(3x-1)+(2x+11)+(2x+9) = 900
16x - 12 = 900
16x = 912
x = 912/16
x = 57
So:
3x - 1 = 3 * 57 -1 = 170
Answer:
23 nickels and 16 dimes
Step-by-step explanation:
16 dimes = 1.60
23 nickels = 1.15
1.60 + 1.15 = 2.75
Answer: 12(4j + 5k + 2)
Step-Step-Explanation: Factor 12 out of 48j + 60k + 24
Answer:
Put them in 2 teams. 18 boys so 9 in each group. 24 girls so 12 in each group.
Step-by-step explanation:
Answer:
Its C
Step-by-step explanation:
