y = 1/2 x to the second power - 11x + 27
Answer:
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Step-by-step explanation:
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12.72792206135786
Work: square root of 2
12.7279220613582 = 162
Example
The square root of 2 is the number which when multiplied with itself gives the result as 2. It is generally represented as √2 or 2½. The numerical value of square root 2 up to 50 decimal places is as follows:
√2 = 1.41421356237309504880168872420969807856967187537694…
Hopes this help
Answer:
4 + 2/3 hours
Step-by-step explanation:
For the expert,
6 hours = 1 job
For the secretary,
7 hours = 1 job
We want to figure out how much the expert gets done in 2 hours.
2 hours = x jobs for the expert.
To turn 6 hours = 1 job into this, we can multiply both sides of the equation by 2 (the number we want to get to) / 6 (the number we are at) to get
6 hours * 2/6 = 1 job * 2/6
2 hours = 2/6 jobs
Therefore, the expert does 2/6 of the job, and 1-2/6 = 4/6 of the job is left for the secretary. We want to figure out how long it takes for her to complete the job
We know
7 hours = 1 job
and want to figure out
y hours = 4/6 jobs
We can multiply both sides of the original equation by (4/7) (the number we want to get to) / 1 (the number we are at) to get
7 hours * 4/6 = 1 job * 4/6
28 /6 hours = 4/6 jobs
= 4 + 4/6 hours
= 4 + 2/3 hours
Let the equation of the line be
y = mx + c
The line has a y-intercept of 1. Therefore, c = 1.
The equation for the line is
y = mx + 1.
The line passes through (0,1) and (1,-1). Therefore its slope is
m = 2/-1 = -2.
The equation of the line is
y = -2x + 1
Answer: y = -2x + 1