3 years ago

Let S represent the number of randomly selected adults in a community surveyed to find someone with a certain genetic trait.

Mathematics

2 answers:

baherus [9]3 years ago

8 0

The answer is: C (I took the test)

faust18 [17]3 years ago

6 0

Answer:

In repeated sampling from the distribution of S , the average of the values will approach 4.66.

Step-by-step explanation:

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Use either Gaussian elimination or Gauss-Jordan elimination to solve the given system or show that no solution exists. (If there

True [87]

Answer:

x1 = t, x2 = -t and x3 = 0

Step-by-step explanation:

Given the system of equation

x1 + x2 + x3 = 0 .... 1

x1 + x2 + 9x3 = 0 .... 2

Subtract both equation

x3 - 9x3 = 0

-8x3 = 0

x3 = 0

Substitute x3 = 0 into equation 1

x1 + x2 + 0 = 0

x1+x2 = 0

x1 = -x2

Let t = x1

t = -x2

x2 = -t

Hence x1 = t, x2 = -t and x3 = 0

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2 years ago

What is the value of the expression |a + b| + |c| when a = –5, b = 8, and c = –13?

nasty-shy [4]

|a+b| + |c| when a= -5, b= 8, c= -13:

|-5+ 8|+ |-13|
= |3|+ 13
= 3+ 13
= 16

The correct answer is D. 16~

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3 years ago

Given that ABCD is a rhombus, find the value of x.<br> (X+14)

Kay [80]

Answer:

option B. $x=38^o$

Step-by-step explanation:

we know that

1) The two diagonals of a rhombus are perpendicular

2) The sum of the interior angles in any triangle must be equal to 180 degrees

Let

O ----> the intersection point of the diagonals of the rhombus

In the right triangle OAD

$x^o+(x+14)^o+90^o=180^o$

solve for x

$x^o+(x+14)^o=90^o$

$2x=90^o-14^o$

$2x=76^o$

$x=38^o$

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3 years ago

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Ksivusya [100]

Answer:

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Step-by-step explanation:

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mr Goodwill [35]

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3 years ago

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