Answer:
I dunno
Step-by-step explanation:
2x + 10 = 4x + 10
2x - 4x = 10 - 10
- 2x = 0
Answer:
60 in³
Step-by-step explanation:
Prism A is 2×3×5 which is 30in³
Prism B is 2 times the height, which means it is 4×3×5 which is 60
The reasons that the sample is representative:
The builders were chosen at random
The population included only builders who build in Vicki's town
Vickie wanted to determine the cost of building a house in her home, so the fact that the builders were from her town makes the sample more representative. Moreover, the random choosing of the builders helps to remove any biases that may be present.
Answer:
![PQR = 140](https://tex.z-dn.net/?f=PQR%20%3D%20140)
Step-by-step explanation:
Given
![XYZ = 2X](https://tex.z-dn.net/?f=XYZ%20%3D%202X)
![PQR = 8X - 20](https://tex.z-dn.net/?f=PQR%20%3D%208X%20-%2020)
Required
Find PQR
Since both angles are supplementary, we have:
![XYZ + PQR = 180](https://tex.z-dn.net/?f=XYZ%20%2B%20PQR%20%3D%20180)
This gives:
![2X + 8X - 20 = 180](https://tex.z-dn.net/?f=2X%20%2B%208X%20-%2020%20%3D%20180)
![10X - 20 = 180](https://tex.z-dn.net/?f=10X%20-%2020%20%3D%20180)
Collect Like Terms
![10X = 20 + 180](https://tex.z-dn.net/?f=10X%20%3D%2020%20%2B%20180)
![10X = 200](https://tex.z-dn.net/?f=10X%20%3D%20200)
Divide through by 10
![X = 20](https://tex.z-dn.net/?f=X%20%3D%2020)
Substitute 20 for X in ![PQR = 8X - 20](https://tex.z-dn.net/?f=PQR%20%3D%208X%20-%2020)
![PQR = 8 * 20 -20](https://tex.z-dn.net/?f=PQR%20%3D%208%20%2A%2020%20-20)
![PQR = 140](https://tex.z-dn.net/?f=PQR%20%3D%20140)
Answer:
Step-by-step explanation:
Are you trying to find a variable expression? the product of 86 means multiplication so 86*n or 86n. Other than that I dont understand the question.