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LuckyWell [14K]
2 years ago
7

Line l has a slope of the line through which of the following pair of points is perpendicular to l?

Mathematics
1 answer:
gladu [14]2 years ago
8 0
C) (7,7), (-5,4)
I hope it helps
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Solve. Show all your steps. <br> 1/8x=1/2
Llana [10]
    x = 4Rearrange:Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation : 
                     1/8*x-(1/2)=0 
Step by step solution :Step  1  :            1 Simplify   —            2Equation at the end of step  1  :   1         1  (— • x) -  —  = 0    8         2Step  2  :            1 Simplify   —            8Equation at the end of step  2  :   1         1  (— • x) -  —  = 0    8         2Step  3  :Calculating the Least Common Multiple : 3.1    Find the Least Common Multiple 
      The left denominator is :       8 
      The right denominator is :       2 
the answer is 4
7 0
3 years ago
Read 2 more answers
It appears that people who are mildly obese are less active than leaner people. One study looked at the average number of minute
hoa [83]

Answer:

Obese people

Lower = \mu - 2\sigma = 373- 2(67) = 239

Upper = \mu + 2\sigma = 373+ 2(67) = 507

Lean People

Lower = \mu - 2\sigma = 526- 2(107) = 312

Upper = \mu + 2\sigma = 526+ 2(107) = 740

Step-by-step explanation:

Previous concepts

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

The Z-score is "a numerical measurement used in statistics of a value's relationship to the mean (average) of a group of values, measured in terms of standard deviations from the mean".  

The empirical rule, also referred to as the three-sigma rule or 68-95-99.7 rule, is a statistical rule which states that for a normal distribution, "almost all data falls within three standard deviations (denoted by σ) of the mean (denoted by µ). Broken down, the empirical rule shows that 68% falls within the first standard deviation (µ ± σ), 95% within the first two standard deviations (µ ± 2σ), and 99.7% within the first three standard deviations (µ ± 3σ)".

Solution to the problem

Obese people

Let X the random variable that represent the minutes of a population (obese people), and for this case we know the distribution for X is given by:

X \sim N(373,67)  

Where \mu=373 and \sigma=67

On this case we know that 95% of the data values are within two deviation from the mean using the 68-95-99.7 rule so then we can find the limits liek this:

Lower = \mu - 2\sigma = 373- 2(67) = 239

Upper = \mu + 2\sigma = 373+ 2(67) = 507

Lean People

Let X the random variable that represent the minutes of a population (lean people), and for this case we know the distribution for X is given by:

X \sim N(526,107)  

Where \mu=526 and \sigma=107

On this case we know that 95% of the data values are within two deviation from the mean using the 68-95-99.7 rule so then we can find the limits liek this:

Lower = \mu - 2\sigma = 526- 2(107) = 312

Upper = \mu + 2\sigma = 526+ 2(107) = 740

The interval for the lean people is significantly higher than the interval for the obese people.

5 0
3 years ago
2 divided by square root 13 plus square root 11
coldgirl [10]

Answer: 3.87132498658 in other words 3.871

Step-by-step explanation:

4 0
2 years ago
Barb and John each have a savings account with a sum of money in it. Barb and John each begin to add a set amount of money each
BigorU [14]

Answer:

The answers are, "John saves $35 dollars the first week" and "John is saving at a faster rate than Barb"


8 0
3 years ago
Read 2 more answers
Please help me with my math
jeyben [28]
25.3 is what i got for the first image.
3 0
3 years ago
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