A box is filled with 14 green cards, 2 yellow cards, and 2 red cards. A card is chosen at random from the box. What is the proba
1 answer:
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Answer:
5390 gallons of water was wasted by the city's residents last year.
Step-by-step explanation:
Let denotes gallons of water wasted by the city's residents last year.
Gallons of water wasted by the city's residents this year = 2695 gallons
This is 50% less than last year.
Therefore,
gallons
So, 5390 gallons of water was wasted by the city's residents last year.
Step-by-step explanation:
Answer:
y = 3.33x - 18
Step-by-step explanation:
In order for a line to be perpendicular to another, it must have a slope with the negative reciprocal
- Here in the equation y = -0.3z + 6 has a slope of -0.3 (can also be written as
)
- A line that is perpendicular to this line will need to have a slope of 3.33 repeating (or
)
- I will using fractions for simplicity and convert to decimals afterwards
Since we have our slope and the two points, we can plug them into y = mx + b to solve for b and write our new equation of a line
- Substituting in the values that we have we get:
- Simplifying we get -8 = 10 + b, making b = -18
Now that we have our slope and our y-intercept we can plug them into the same formula used before to find our perpendicular line:
which can also be written as y = 3.33x - 18