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dybincka [34]
3 years ago
7

Suppose an online auction website has roughly 500,000 users, and as each member signs up for an account,he or she is assigned a

number. which of these would result in the smallest sample size using systematic sampling?
A. Surveying each 50,000th number
B. Surveying every 50th number
C. Surveying every 5000th number
D. Surveying every 500th number
Mathematics
2 answers:
julsineya [31]3 years ago
7 0
D. Surveying every 500th number
Juli2301 [7.4K]3 years ago
4 0

Answer:

<em>Surveying every 50,000th Number </em>

Step-by-step explanation:

I took the test

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The reciprocal of y^1/2 is 5<br> Work out the value of y.
Lady_Fox [76]

Answer:

y = 1/25

Step-by-step explanation:

Reciprocal of y^(1/2)  : 1/y^(1/2)

1/y^(1/2) = 5

y^(1/2) = 1/5

y = (1/5)^2

4 0
3 years ago
The graph shows the distance a bicyclist traveled from a starting point in 10-second increments. Which of these is closest to th
myrzilka [38]

Answer:

C. 10 m/s

Step-by-step explanation:

3 0
3 years ago
When simplified, the algebraic expression (2 a - 3 b ) 2 is a binomial.<br><br><br> True or False
scoray [572]
True i think but i'm not postive
7 0
3 years ago
Solve: x2 − x − 6/x2 = x − 6/2x + 2x + 12/x After multiplying each side of the equation by the LCD and simplifying, the resultin
Vesna [10]

The resulting equation after simplyfing the given equation is 3x^2 + 20x + 12 = 0 and whoose solutions are x = -2/3 or x = -6.

According to the given question.

We have an equation

\frac{x^{2}-x-6 }{x^{2} } = \frac{x-6}{2x} +\frac{2x+12}{x}

So, to find the resulting equation of the above equation we need to simplify.

First we will take LCD

\frac{x^{2} -x - 6 }{x^{2} } = \frac{x -6+2(2x + 12)}{2x}

\implies \frac{x^{2}-x-6 }{x^{2} } =\frac{x-6+4x+24}{2x}

\implies \frac{x^{2}-x-6 }{x^{2} } = \frac{5x +18}{2x}

Multiply both the sides by x.

\frac{x^{2}-x-6 }{x} = \frac{5x+18}{2}

Again multiply both the sides by x

2x^{2} -2x-12 = 5x^{2} +18x

\implies 5x^{2} -2x^{2} +18x +2x +12 = 0

\implies 3x^{2} + 18x+2x + 12 = 0

Factorize the above equation

⇒3x(x+6)+2(x+6) = 0

⇒(3x + 2)(x+6) = 0

⇒ x = -2/3 or x = -6

Hence, the resulting equation after simplyfing the given equation is 3x^2 + 20x + 12 = 0 and whoose solutions are x = -2/3 or x = -6.

Find out more information about equation here:

brainly.com/question/2976807

#SPJ4

7 0
1 year ago
Help please!!,,,,,,,,
ipn [44]

Answer:

Question #3: Answer = 31

Step-by-step explanation

• Plug in 3 for x

• Plug in -4 for y

| -3(3)² + 2(-4) | -(3)(-4)

From here, simplify. Don't forget to use PEMDAS!

| -27 +8 | + 12

| -19 | + 12

19 + 12

31

Use this same method to solve for Question #2!

6 0
3 years ago
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