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meriva
3 years ago
9

A researcher wishes to investigate differences in college admission rates between students at two high schools. She randomly sel

ect 100 students from the 200 seniors at school a and 100 students from the 300 students at school b. What sampling method did she use?
Cluster
Stratified
Simple Random
Systematic
Mathematics
2 answers:
kodGreya [7K]3 years ago
7 0

56

sorry thisnis wrong

i need point

Katen [24]3 years ago
5 0

Answer: stratified

Step-by-step explanation:

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Kristen earns $13.50 for each hour she works. On Monday she worked 4 hours. She also worked Tuesday. If she earned a total of $1
insens350 [35]

Answer:8 hours on Tuesday

Step-by-step explanation:13.50 x 4=54

162-54=108

108÷13.50=8

8 0
3 years ago
1 Point<br> The circle below is centered at (-3, 2) and has a radius of 3. What is its<br> equation?
arlik [135]

Answer:

(x + 3)^2 + (y - 2)^2 = 9

Step-by-step explanation:

<u>Equation for a circle:  (x – h)^2 + (y – k)^2 = r^2</u>

<u />

<u>Step 1:  Determine what h, k, and r are</u>

<em>h is the x value of the point:  -3</em>

<em>k is the y value of the point:  2</em>

<em>r is the radius of the circle:  3</em>

<u>Step 2:  Plug in and solve</u>

(x – h)^2 + (y – k)^2 = r^2

(x – (-3))^2 + (y – (2))^2 = (3)^2

<em>(x + 3)^2 + (y - 2)^2 = 9</em>

<em />

Answer:  (x + 3)^2 + (y - 2)^2 = 9

8 0
3 years ago
What is .0067 .007 .00618 .00701 .006 arranged in largest to smallest
Sidana [21]


00701, .007, .0067, .00618, .006
Step 1 : Compare the whole numbers.Step 2 : When whole numbers are same check the decimal places.Step 3 : Convert into like decimals considering the maximum decimal number.The correct order is .00701, .007, .0067, .00618, .006
5 0
3 years ago
It takes a guinea pig about 68 days to develop comepletely before it is born. Which of these is less than 68 days
irakobra [83]
67 add the anwers though just so i can make sure

7 0
3 years ago
Read 2 more answers
Christine went shopping and bought each of her six nephews a gift, either a video costing $14.95 for a CD costing $16.88. She sp
andrezito [222]

Let v = number of video's she bought

Let c = number of CD's she bought

v+c=16

1495v+1688c=9355

Multiply both sides of (1) by 1495

and subtract (1) from (2)

-1495v-1495c=-8970

193c=386

c=2h

6 0
3 years ago
Read 2 more answers
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