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lisov135 [29]
3 years ago
10

Find the midpoint of each given points (4,6),(1,5)

Mathematics
2 answers:
astraxan [27]3 years ago
8 0

Answer:

(  5/2)  (11/2)

Step-by-step explanation:

as given

x1=4

x2=1

y1=6

y2=5

midpoint= (x1+x2/2 ) (y1+y2/2)

=( (4+1)/2 )         (6+5)/2)

=(5/2)             (11/2)   required midpoints

Sphinxa [80]3 years ago
7 0
(5/2,11/2) :))))))))))))))
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Harman [31]

Answer:

<h2>see below</h2>

Step-by-step explanation:

<h3>to understand this</h3><h3>you need to know about:</h3>
  • algebra
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<h3>let's solve:</h3>

given function:

\quad   \rm\: f(x) =  - 2x +8

when x is 0

\sf \:f(0) =  - 2.0 + 8

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\sf f(0) = 8

when x is 3

\sf f(3) =  - 2.3 + 8

simplify multiplication:

\rm \: f(3) =  - 8 + 8

add:

\rm \: f(3) =  0

when x is 6

\quad   \rm\: f(6) =  - 2.6 +8

simplify multiplication:

\quad   \rm\: f(6) =  - 12 +8

simplify addition:

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when x is 9:

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simplify multiplication:

\quad   \rm\: f(9) =  - 18 + 8

simplify addition:

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8 0
2 years ago
Read 2 more answers
The ages of five friends are 20,31,28,31 and 25. How many of the friends are older than the average (arithmetic mean) age?
FromTheMoon [43]

Answer:

3 friends

Step-by-step explanation:

The mean age is 27 so 3 friends are above that age.

7 0
3 years ago
A machine fills containers with a particular product. Assume the filling weights are normally distributed with a variance of 0.1
Ghella [55]

Answer:

z=-0.674

And if we solve for \mu we got

\mu=12 +0.674*0.4=12.270

So then the mean is 'mu = 12.270 for this case.

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".  

Solution to the problem

Let X the random variable that represent the variable of interest of a population, and for this case we know the distribution for X is given by:

X \sim N(\mu,\sqrt{0.16}= 0.4)  

For this part we want to find a value a, such that we satisfy this condition:

P(X>12)=0.85   (a)

P(X   (b)

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As we can see on the figure attached the z value that satisfy the condition with 0.25 of the area on the left and 0.85 of the area on the right it's z=-0.674. On this case P(Z<-0.674)=0.25 and P(z>-0.674)=0.85

If we use condition (b) from previous we have this:

P(X  

P(z

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8 0
3 years ago
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anygoal [31]

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Step-by-step explanation:

Use FOIL to check if the factors work.

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(x * 2) + (x * -6) = 2x - 6x = -4x

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3 years ago
Please help, due soon. show work for the problem
notka56 [123]
The answer would be c
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