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iren2701 [21]
4 years ago
5

If there are 5,200 registered voters are randomly sampled, which statements are true of a sample of 30 voters? Check all that ap

ply.The sample size is too small and will show a large variation.The sample size is too small and can lead to false inferences.This is an invalid sample because it randomly chooses voters.A larger sample will give more reliable information.The sample size is too large to make inferences.
Mathematics
2 answers:
wel4 years ago
7 0

Answer:

The First, second, and fourth option

kondaur [170]4 years ago
5 0

Answer:

The sample size is too small and will show a large variation.

The sample size is too small and can lead to false inferences.

A larger sample will give more reliable information.

Step-by-step explanation:

-In statistical sampling, sample size is of critical importance.

-A large sample size increases the accuracy of mean values as it eliminates or flattens out outliers.

-A large sample size also leads to a lower margin of error as the confidence level increases.

-The is greater precision when a larger sample size is used.

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From the information given, determine which triangles, if any, are congruent and state by which rule. If the triangles cannot be
cluponka [151]
<h2>Answer:</h2>

Triangles ΔADM and ΔUTM are congruent by SAS postulate.

<h2>Step-by-step explanation:</h2>

We say that two triangles are congruent<em> </em> <em>if and only if </em> they have exactly the same three sides and exactly the same three angles. So if you can turn one triangle into the other by moving, rotating or flipping, then they are definitively congruent. The symbol we use for expressing congruency is ≅. Since triangles ΔADM and ΔUTM have two matching sides and a matching angle between them, then they are congruent by SAS Postulate (Side Angle Side). Then:

ΔADM ≅ ΔUTM

8 0
4 years ago
Square root of 12 added to square root 3
igor_vitrenko [27]

the answer is 5.196152423

4 0
4 years ago
The graph of the function f(x) = -(x+6)(x + 2) is shown
Leokris [45]

Answer:

The function is increasing for all real values of x where

x < –4.

Step-by-step explanation:

we have

f(x)=-(x+6)(x+2)

This is a vertical parabola open downward (the leading coefficient is negative)

The vertex (h,k) represent  a maximum

The roots of the function (or x-intercepts) are x=-6 and x=-2

The x-coordinate of the vertex is the midpoint of the roots

so

h=(-2-6)/2=-4

The y-coordinate of the vertex is

substitute the x-coordinate of the vertex in the quadratic equation

k=-(-4+6)(-4+2)

k=-(2)(-2)

k=4

The vertex is the point (-4,4)

The function is increasing in the interval (-∞,-4)

The function is decreasing in the interval (-4,∞)

6 0
4 years ago
Read 2 more answers
Solve for x. With explanation
krok68 [10]

Answer:

129

Step-by-step explanation:

the sum of the interior angles of a quadrilateral is 360, so you add 71+112+48 and subtract it from 360 to get x

8 0
3 years ago
Please help me with this question please
IrinaVladis [17]

Answer:

1 Goes with A. 2 Goes with C. 3 Goes with B.

Step-by-step explanation:

I counted them lol

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3 years ago
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