Coupon B would give the lower price because 20% off 57 is 45.60 and 8 dollars off 57 is 49
Answer:
Step-by-step explanation:
Answer:
I believe that the answer is B,72.
Hope this helps!
-Abigail
Answer:
3cm I think that's the answer
Answer: <em>x = 1.25</em>
Step-by-step explanation:
<em>HF - is the middle line of the triangle ABC.</em>
![HF=\dfrac{1}{2} AB\\\\HF=4x+1\\AB=12x-3\\\\4x+1=\dfrac{1}{2} \cdot (12x-3)\\\\4x+1=\dfrac{12x-3}{2} \\\\(4x+1) \cdot 2 =12x-3\\8x+2=12x-3\\8x+2-12x=12x-3-12x\\-4x+2=-3\\-4x+2-2=-3-2\\-4x=-5\\-4x \cdot (-1)=-5 \cdot (-1)\\4x=5\\4x \div 4=5 \div 4\\x=1.25](https://tex.z-dn.net/?f=HF%3D%5Cdfrac%7B1%7D%7B2%7D%20AB%5C%5C%5C%5CHF%3D4x%2B1%5C%5CAB%3D12x-3%5C%5C%5C%5C4x%2B1%3D%5Cdfrac%7B1%7D%7B2%7D%20%20%5Ccdot%20%2812x-3%29%5C%5C%5C%5C4x%2B1%3D%5Cdfrac%7B12x-3%7D%7B2%7D%20%5C%5C%5C%5C%284x%2B1%29%20%5Ccdot%202%20%3D12x-3%5C%5C8x%2B2%3D12x-3%5C%5C8x%2B2-12x%3D12x-3-12x%5C%5C-4x%2B2%3D-3%5C%5C-4x%2B2-2%3D-3-2%5C%5C-4x%3D-5%5C%5C-4x%20%5Ccdot%20%28-1%29%3D-5%20%5Ccdot%20%28-1%29%5C%5C4x%3D5%5C%5C4x%20%5Cdiv%204%3D5%20%5Cdiv%204%5C%5Cx%3D1.25)