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inna [77]
4 years ago
8

Why might a researcher use a sample rather than an entire population for their study?

Mathematics
1 answer:
cestrela7 [59]4 years ago
6 0

Answer:

c

Step-by-step explanation:

its easier to take a group of 100 or something random people than a whole population.

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What are mind jigglers
Arada [10]
I think the phrase comes from " Multiplication Mind Jigglers", a math exercise to practice multiplication. A Jiggler is the noun for jiggle, which is short movements up and down or to the sides, and i think it refers to how the children who do the exercise have to "hop" around the page to find the right answer.
4 0
3 years ago
Simplify the following fraction by putting it in lowest terms or by performing the indicated operation.
netineya [11]
(2x-1)(2x-1)
(4x^2+2x+1)(2x-1)

(2x-1) cancels out so

2x-1
4^2+2x+1
8 0
3 years ago
The greater of two consecutive even integers is 20 more than twice the smaller. find the integers
Sliva [168]

9514 1404 393

Answer:

  -19, -18

Step-by-step explanation:

Let x represent the smaller integer. Then the larger is x+1 and their relationship is ...

  x +1 = 20 + 2x

  -19 = x . . . . . . . . . subtract x+20 from both sides.

The smaller integer is -19; the larger is -18.

4 0
3 years ago
In 1924, the tempature in Fairfield Montana, dropped from 63 degrees to negative 21 degrees in 12 hours. What was the average ho
Tanzania [10]

Answer:

​7.5°/hr

Step-by-step explanation:

  63-(-27)/12

= 90/12

= 7.5°/hr

4 0
3 years ago
Computer Depot sold 762 reams of paper. Paper Palace sold 3 times as much paper as Computer Depot and 143 reams more than Office
stiv31 [10]
Computer depot sold 762. 762 x 3 = 2286. Paper Palace sold 2286 reams. To find the amount Office Supply Central we do 2286 - 143 = 2143. Now, we add: 762 + 2286 + 2143 = 5191. So, all together they sold 5191 reams of paper. Hope this helps.
8 0
4 years ago
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