Hello from MrBillDoesMath!
Answer:
3
Discussion:
Let the number be "n",
2n + 15 = 21 => subtract 15 from both sides
2n = 21 - 15 = 6 => divide both sides by 2
n = 6/2 = 3
Check: Start with 3. Double it (gives 6), add 15 to it ( 6 + 15) which gives 21/
Thank you,
MrB
Answer:
Angle 8 = 100 degrees
Step-by-step explanation:
Angle 2 = Angle 8
Because, they are alternate exterior angles.
Answer:
explanation
Step-by-step explanation:
the reason for your statement is just your explanation of why you think that.
Answer:
240 feet
Step-by-step explanation:
If its a rectangle then this is a perimeter question
2length x 2width = perimeter
30 x 2 + 90 x 2 = 240 feet
