X + 3x + 4x = 56
8x = 56
x = 7
The shortest piece is 7 inches
The middle piece is 7*3 = 21 inches.
The longest piece is 4*7 = 28 inches
Check
7 + 21 + 28 = 56 It does check and the lengths are correct.
Answer:
A. A number divided by three minus fifteen.
Answer:
The axis of symmetry is
.
- Check the degree of your polynomial
- Plug your numbers into the axis of symmetry formula
- Write down the equation of the axis of symmetry
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Answer: i think the correct answer is a
Step-by-step explanation: so if x=-2 then that would mean y=-4 because 2 and 4 r equivalent so it has to be a
Add 6 7 and two you get 15 xy subtract -11 and -4 you get positive 7xy add 15 and 7 and you get 22xy