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Talja [164]
3 years ago
7

74 students were chosen from a local university to participate in a study. Every student attending the university had an equal p

ossibility of being chosen. Which sampling method was used?
voluntary response
random selection
census
sample
Mathematics
1 answer:
a_sh-v [17]3 years ago
4 0
My answer is Random selection
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Whats the common ratio of the sequence 7.04 Q14​
julsineya [31]

Answer:

\frac{1}{4}

Step-by-step explanation:

The given sequence is a geometric sequence.

We can find the common ratio using any two consecutive terms of the sequence.

r=\frac{\frac{-1}{10} }{\frac{x-2}{5} }=\frac{-1}{10}\times \frac{-5}{2}=\frac{1}{4}

The common ratio is \frac{1}{4}

4 0
2 years ago
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Simplify -12x^4/x^4+8x^5
alexgriva [62]

Answer:

OPTION A: $ \frac{12}{1 + 8x} $, where $ x \ne - \frac{1}{8} $.

Step-by-step explanation:

Given: $ \frac{- 12x^4}{x^4 + 8x^5} $

Taking $ x^4 $ common outside in the denominator, we get:

$ = \frac{-12x^4}{(x^4)(1 + 8x)} $

$ x^4 $ will get cancelled on the numerator and denominator, we get:

$ = \frac{-12}{1 + 8x} $

we know that the denominator can not be zero.

That means, 1 + 8x $ \ne $ 0.

$ \implies 8x \ne -1 $

$ \implies x \ne \frac{-1}{8} $

So, the answer is: $ \frac{-12}{1 + 8x} $, where $ x \ne \frac{-1}{8} $.

6 0
3 years ago
Select the function that’s represented in the graph
vesna_86 [32]

Answer:

D.

Step-by-step explanation:

you can use a graphing calculator to graph the equation and match it with the picture.

6 0
3 years ago
Which of the following sets represents the range of the function shown?{(–3, 4), (5, 11), (9, –1), (10, 13)}
Leni [432]

Range is all the y values in this case that would be...

{-1, 4, 11, 13}

Keep in mind that there are different ways to show range. The one I showed it just one of them

Hope this helped!

~Just a girl in love with Shawn Mendes

7 0
2 years ago
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What is the value of the expression 3.9x10^5/1.3x10^2?
Tanya [424]

Answer:

3 * 10 ^3

Step-by-step explanation:

Divide the numbers

3.9 / 1.3

3

Subtract the powers of 10

10^5 / 10^2 = 10 ^ (5-2) = 10^3

The result is 3 * 10 ^3

6 0
2 years ago
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