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pav-90 [236]
2 years ago
13

Please answer this question now

Mathematics
2 answers:
IrinaVladis [17]2 years ago
6 0

Answer:

(8,1)

Step-by-step explanation:

VikaD [51]2 years ago
5 0

Answer:

The midpoint is (8,1)

Step-by-step explanation:

To find the midpoint take the average of the x coordinates and the average of the y coordinates

x= (x1+x2)/2   and y = (y1+y2)/2

x = (-3+19)/2 = 16/2 = 8

y = (-12+14)/2 = 2/2 = 1

The midpoint is (8,1)

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A sample of 1700 computer chips revealed that 51% of the chips do not fail in the first 1000 hours of their use. The company's p
hichkok12 [17]

Answer:

The answer is -1.2

Step-by-step explanation:

Recalling the standard deviation formula,

we have : σ = sqrt[ P * ( 1 - P ) / n ]

Where sqrt = square root

n = Number of derivative

Therefore,:

if, H0: p is not 48%  vs H1: p1 = 48%

 

 

standard deviation is:

σ = sqrt[ P * ( 1 - P ) / n ] = sqrt[ .48*.49/900 ] = .01666333+ z -score is (p-P)/σ

= (.51-.53)/.01666333

The answer therefore =  -1.2

 ICONCLUSION:

It can therefore be concluded that there is statistical evidence that the proportions are different. H0 accepted in the hypothesis.

3 0
3 years ago
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Use the quadratic formula to solve 2x^2=5x+6. Leave your answer in radical form. Show all of your work!
Westkost [7]

Answer:

In radical from 169/50 , 177/200

Step-by-step explanation:

Given:

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Value of x

Computation:

Using quadratic formula:

\frac{-b\±\sqrt{b^2-4ac} }{2a}\\\\By\ putting\ all\ value\\\\ \frac{-(-5)\±\sqrt{(-5)^2-4(2)(-6)} }{2(2)}\\\\ \frac{5\±\sqrt{25+48} }{4}\\\\ \frac{5\±8.54 }{4}\\\\\frac{5+8.54 }{4},\frac{5-8.54 }{4} \\\\3.38 , 0.885

Value of x 3.38 , 0.885

In radical from 169/50 , 177/200

8 0
3 years ago
Guysss i need helppppp.... please answer all of them and if u dont know please dont answer
lukranit [14]

Answer:

This says middle school.. What grade are you in? I am in 8th grade and do not know any of that...

I have never seen work near that.........

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2 years ago
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miskamm [114]

Answer:

The greatest prime factor of 38 is 19

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Solnce55 [7]

Answer:

\frac{72}{-x^{5} +9}

Step-by-step explanation:

Let me know if that is not the same equation you wrote and if you have any questions !!

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