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s344n2d4d5 [400]
3 years ago
8

I need this done today whoever gets this correct gets brainliest!!! PLZZ HELPP MEE!!!

Mathematics
1 answer:
Stella [2.4K]3 years ago
7 0

Answer:

B Survey a random sample of eighth-grade students

Step-by-step explanation:

In order to reach the best conclusion without biased data, the best sampling method would be B because not only does it survey 8th graders, but it also surveys a random group, ensuring that not all of the students are potentially excelling in and/or having trouble with homework.

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Tcecarenko [31]

Answer:

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Step-by-step explanation:

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3 years ago
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PilotLPTM [1.2K]

Answer:

The value of c that completes the square  x^2+2x+c is 1

Step-by-step explanation:

We need to find the value of c that completes the square  x^2+2x+c

The formula used will be: a^2+2ab+b^2=(a+b)^2

In the question given the value c can be found by breaking the middle term. we are given 2x while the general formula is 2ab for middle term so,

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so, c= 1

Solving:

x^2+2x+c\\=x^2+2(x)(1)+(1)^2-(1)^2\\=(x+1)^2-1

So, the value of c that completes the square  x^2+2x+c is 1

6 0
3 years ago
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Vitek1552 [10]
The answer would be D: 12 ft2
6 0
2 years ago
Which list of numbers is in order from GREATEST to LEAST? 2.7, 2 1/2, 3/10,-1/9 is this right??
ikadub [295]
Yes you are correct.
8 0
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It takes a cook 180 minutes to cook if 45 minutes is already completed .what percentage is completed
AleksandrR [38]

Answer:

25%

Step-by-step explanation:

45 is 1/4 of 180. 1/4 is 25%.

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3 years ago
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