Since L₂ is twice as long as L₁, the length of L₁ should be 12' and 6 3/4".
<h3>How to calculate the length (L₁)?</h3>
First of all, we would convert the value of the overall length in feet to inches as follows:
1 feet = 12 inches
37 × 8 1/4 feet = X inches
Cross-multiplying, we have:
X = 1809/4 inches.
Since L₂ is twice as long as L₁, we have:
L₂ = 2L₁
Also, the overall length is given by:
T = 2L₁ + 2L₂
T = L₂ + 2L₂
T = 3L₂
1809/4 = 3L₂
L₂ = 1809/4 × 1/3
L₂ = 1809/12
L₂ = 150.75''
L₂ = 12' and 6 3/4".
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B
Step-by-step explanation:
![x - 12 = - 4](https://tex.z-dn.net/?f=x%20-%2012%20%3D%20%20-%204)
![put \: like \: terms \: together\\ x = - 4 + 12 \\ solve\\ x = 8](https://tex.z-dn.net/?f=%20put%20%5C%3A%20like%20%5C%3A%20terms%20%5C%3A%20together%5C%5C%20x%20%3D%20%20-%204%20%20%2B%2012%20%5C%5C%20%20solve%5C%5C%20x%20%3D%208)
Answer:
a = 43 / 30
Step-by-step explanation:
-7 ( 8a -9 ) = -23 + 4a
-56a + 63 = -23 +4a
-60a + 63 = -23
-60a = -86
a = 43 / 30
Answer:
Step-by-step explanation:
I think A but for sure on C and D. Good luck