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galben [10]
3 years ago
5

Four students did a survey to find the ice cream flavor sixth-grade students prefer. The table below shows the method each stude

nt used to conduct the survey:
Jane Asked 100 sixth-grade students at random what their favorite ice cream flavor is

Ken Asked 100 students at random from his seventh-grade class what their favorite ice cream flavor is

Sasha Asked 100 eighth-grade students at random what their favorite ice cream flavor is

Kevin Asked 100 third-grade students at random what their favorite ice cream flavor is


Which student's survey is most likely not biased?
Jane
Ken
Sasha
Kevin
Mathematics
2 answers:
riadik2000 [5.3K]3 years ago
5 0

Jane is the only who is asking the sixth grade only


So I would say A


Also I just answered this question on my own and I got it right :D

alexgriva [62]3 years ago
5 0

Answer: the answer is A

explanation: i got the answer right on flvs hope this helped!

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Triangle ABC is similar to triangle PQR, as shown below:
natita [175]

Answer:

\frac{q}{b}=\frac{r}{c}

Step-by-step explanation:

Consider the options for this question are as follow,

  • \frac{q}{c}=\frac{r}{b}
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  • \frac{q}{b}=\frac{r}{c}

Here, In triangles ABC and PQR,

AB = c, BC = a, AC = b, PQ = r, QR = p and PR = q,

Since,

\traingle ABC\sim \triangle PQR

We know that,

The corresponding sides of similar triangles are in same proportion,

Thus,

\frac{AB}{PQ}=\frac{BC}{QR}=\frac{AC}{PR}

\frac{c}{r}=\frac{a}{p}=\frac{b}{q}

\frac{r}{c}=\frac{p}{a}=\frac{q}{b}

\implies \frac{q}{b}=\frac{r}{c}

3 0
3 years ago
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the height in feet above the ground of an arrow after it is shot can be modeled by y=-16r^2+63r+4.Can the arrow pass over a tree
miss Akunina [59]

Answer:

yes

Step-by-step explanation:

y=-16r^2+63r+4

maximum value of y :

y'=0

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r= 63/32

y = -16(63/32)²+63(63/32)+4

= -4 + 124 + 4 = 124 ft

124 > 68

the Arrow can pass over the tree

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The theoretical answer for the following question provided above would be found if you study
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PLZZ HELP ITS AN EMERGENCY THIS IS DUE IN 30 MINUTES!!!​
Nataly_w [17]

Answer:

1.equation

2. inverse operations

3. 3.7

4. 8

5. yes its a solution because 58=58

6. not a solution

7. 10.3

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12. 2.1

Step-by-step explanation:

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