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Step-by-step explanation:
![( {x}^{2} + 3) - [3x + (8 - {x}^{2} )] \\ = {x}^{2} +3 - [3x + 8 - {x}^{2} ] \\ = {x}^{2} + 3 - 3x - 8 + {x}^{2} \\ = 2 {x}^{2} - 3x - 5](https://tex.z-dn.net/?f=%28%20%7Bx%7D%5E%7B2%7D%20%20%2B%203%29%20-%20%5B3x%20%2B%20%288%20-%20%20%7Bx%7D%5E%7B2%7D%20%29%5D%20%5C%5C%20%20%3D%20%20%7Bx%7D%5E%7B2%7D%20%20%2B3%20-%20%20%5B3x%20%2B%208%20-%20%20%7Bx%7D%5E%7B2%7D%20%5D%20%5C%5C%20%20%3D%20%20%20%7Bx%7D%5E%7B2%7D%20%20%2B%203%20-%203x%20-%208%20%2B%20%20%7Bx%7D%5E%7B2%7D%20%20%5C%5C%20%20%3D%202%20%7Bx%7D%5E%7B2%7D%20%20-%203x%20-%205)
Answer:
In this case study we have following groups:
1. Population: It had all the cars which passed the bicyclist. Out of which 3000 cars were taken.
2. Who: Each instance of a car passing a rider, means the drivers passing by.
That is the 3000 cars which passed the researcher on his bicycle.
3. What: The distance at which cars pass the bicycle rider. The distance the drivers stayed away from his bike.
Answer:
or
Step-by-step explanation:
we know that
The volume of the rectangular prism is
where
L is the length
W is the width
H is the height
substitute the given values in the formula
Simplify
---> fraction form
or
----> decimal form
8/20as well，since the number of green beads and yellow beads is the same，so equal probability
The answer to the third question is that the root of the chord is a Gb.
