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s344n2d4d5 [400]

2 years ago

9

A school has all of the students in grade 8 take a math test. Several samples are taken from the results. Which of the following

samples is NOT likely to produce a representative sample of the population?

1 answer:

gayaneshka [121]2 years ago

4 0

917.8
step by step
sisbeuejebusnanakaiajrbrv

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X+5÷9=3<br> What is the number where when you add 5 then divide it by 9 it is 3?

andrew11 [14]

Answer:

22 + 5 ÷ 9 = 3

Proof:

27/9

= 3

the number is 22

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3 years ago

On average, cody runs 4 miles in 38 minutes. How fast should he plan to run a 10-mile race if he maintains this place.

viva [34]

C. 1 hour and 35 minutes

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A store offers a discount of $2.25 on each sweater that originally cost $19.55. What is the total cost of 3 sweaters with the di

DENIUS [597]

Answer:

51.90

Step-by-step explanation:

the answer is 51.90

hope this helped!!!

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2 years ago

Can you please help me get this done it’s due TOMORROW!

siniylev [52]

Answer:

Hi , the answer is 280-140/ 4-2 = 140/2

y = 2/140 x

b . 70 beats each minute

Step-by-step explanation:

we will take a 2 point from the graph

(280,4) , (y1,x1) and (140, 2) , (y2,x2) each point represent a (y,x) point

m = y1-y2 / x1-x2 = 280-140 / 4-2 = 140 /2

now , y/x = 140/2 ... by B. Multiplication we will get y = 2/140 x

b .

from the graph we see that every minute the curve increase 70 beats

Thanks

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2 years ago

Water flows through a pipe at a rate of 490 milliliters every 6.5 hours. Express this rate of flow in fluid ounces per minute.

sergij07 [2.7K]

Answer:

0.42

Step-by-step explanation:

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3 years ago