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astra-53 [7]
3 years ago
12

Identify the type of sampling used​ (random, systematic,​ convenience, stratified, or cluster​ sampling) in the situation descri

bed below. A researcher selects every 717 th social security number and surveys the corresponding person.
Mathematics
1 answer:
Dovator [93]3 years ago
8 0

Sampling is a technique that seeks to extract a part of the elements that make up the population that we are going to study, so that the distribution of the sample is similar to that of the population, for this reason randomized procedures are usually used.

Systematic sampling is a procedure that requires that the elements of the population be numbered (<em>for example the social security number</em>), then a single number is chosen randomly and from this, with a constant period or interval, the other objects are selected of the sample (<em>for example every 717 numbers</em>)

Answer: the situation describes a systematic sampling

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In ΔFGH, the measure of ∠H=90°, GF = 53, HG = 28, and FH = 45. What ratio represents the sine of ∠G?
andrew11 [14]

we have been given that in ΔFGH, the measure of ∠H=90°, GF = 53, HG = 28, and FH = 45. We are asked to find the ratio that represents the sine of ∠G.

First of all, we will draw a right triangle using our given information.

We know that sine relates opposite side of right triangle with hypotenuse.

\text{sin}=\frac{\text{Opposite}}{\text{hypotenuse}}

We can see from the attachment that opposite side to angle G is FH and hypotenuse is GF.

\text{sin}(\angle G)=\frac{FH}{GF}

\text{sin}(\angle G)=\frac{45}{53}

Therefore, the ratio \frac{45}{53} represents the sine of ∠G.

7 0
4 years ago
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Marrrta [24]

Answer:

35

Step-by-step explanation:

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PLEASE HELP ASAP I CANT GET THIS WRONG
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Answer:

Step-by-step explanation:

<A = 5x + 34

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Also,

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