Answer:
x = 34
Step-by-step explanation:
The sum of the three angles is 180 since they make a straight line
x+12 + 100 +x = 180
Combine like terms
2x+112=180
Subtract 112 from each side
2x+112-112= 180-112
2x = 68
Divide by 2
2x/2 =68/2
x = 34
Answer:
55 i think
Step-by-step explanation:
Answer:
no because they did not multiply the whole numbers and just multiplied the powers
Step-by-step explanation:
Answer:
the first piece of rope would be 4 feet
Step-by-step explanation:
4 + 8 + 9 = 21
Answer:
20% more
Step-by-step explanation:
30%-10% = 20%