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s344n2d4d5 [400]

3 years ago

8

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

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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I had to put two screenshot because it would screenshot the whole question but plz help

Tcecarenko [31]

Answer:

i think its D dont fullly take my word tho

Step-by-step explanation:

3 0

3 years ago

Find the value of c that completes the square

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,

2(x)(1) = 2x

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

Sammy plans to build a kite He has two rods of lengths 4 feet and 3 feet Find the area of the material he will need to cover the

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

3 years ago

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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%.

6 0

3 years ago

Read 2 more answers