What is the perimeter of a triangle 7.25 cm by 7.2 cm by 8 cm
1 answer:
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Answer:
![(x + 7) * (3x + 1) = (3x^2 + 22x + 7)](https://tex.z-dn.net/?f=%28x%20%2B%207%29%20%2A%20%283x%20%2B%201%29%20%3D%20%283x%5E2%20%2B%2022x%20%2B%207%29)
Step-by-step explanation:
Given
![(3x^2 + 22x + 7) \div (x + 7) = 3x + 1](https://tex.z-dn.net/?f=%283x%5E2%20%2B%2022x%20%2B%207%29%20%5Cdiv%20%28x%20%2B%207%29%20%3D%203x%20%2B%201)
![(x + 7) * (\ ) = [\ ]](https://tex.z-dn.net/?f=%28x%20%2B%207%29%20%2A%20%28%5C%20%29%20%3D%20%5B%5C%20%5D)
Required
Complete the blanks
We have:
![(3x^2 + 22x + 7) \div (x + 7) = 3x + 1](https://tex.z-dn.net/?f=%283x%5E2%20%2B%2022x%20%2B%207%29%20%5Cdiv%20%28x%20%2B%207%29%20%3D%203x%20%2B%201)
Rewrite as:
![\frac{(3x^2 + 22x + 7) }{ (x + 7)} = 3x + 1](https://tex.z-dn.net/?f=%5Cfrac%7B%283x%5E2%20%2B%2022x%20%2B%207%29%20%7D%7B%20%28x%20%2B%207%29%7D%20%3D%203x%20%2B%201)
Cross multiply
![(x + 7) * (3x + 1) = (3x^2 + 22x + 7)](https://tex.z-dn.net/?f=%28x%20%2B%207%29%20%2A%20%283x%20%2B%201%29%20%3D%20%283x%5E2%20%2B%2022x%20%2B%207%29)
Answer: 0.887
Step-by-step explanation:
I think yes due to root 2 maybe I am wrong sorry id this was not helpful
Answer:
Step-by-step explanation:
RM 280 = 40% of 8 months
RM 700= 100% of 8 months
RM 700/8= 8 months
RM 87.5 = 1 month
Answer = 87.5
Answer:
100 dollars
Step-by-step explanation:
1, 20
2, 40
3, 60
4, 80
5, 100
100 dollars
hopefully this helps you :)
pls mark brainlest ;)