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Misha Larkins [42]
3 years ago
9

Noah wants to predict who will be selected as the sixth-grade treasurer for student council. Which of the following groups shoul

d Noah survey to make his prediction?
A) The first 100 students from an alphabetical list of the entire school
B) The first 100 students from an alphabetical list of sixth graders
C) One hundred random students from the entire school
D) One hundred random students from the sixth grade
Mathematics
2 answers:
drek231 [11]3 years ago
5 0
The answer is D .. one hundred random students from the sixth grade
Snezhnost [94]3 years ago
5 0
D) One hundred random students from the sixth grade
First off, the survey should be focused on the sixth graders, since they are the demographic that will be voting for 6th grade treasurer. 

Next, the group should be random, because random groups better represent the entire class than an alphabetic list. Maybe those first 100 kids in the list like Noah because he has a last name that begins with A or something. It's not likely, but it's something that could corrupt the data collection. 

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postnew [5]

Answer:

january really

Step-by-step explanation:

3 0
3 years ago
Ms. Donaldson earns $19.20 per hour for the first 40 hours she works in a week. She earns 1 1/2 times that amount per hour for e
Mice21 [21]

Answer:

a) $926.40

b) $606.32

Step-by-step explanation:

a)

If she worked a total of 45.5 hours, she will receive $19.20 per hour in the first 40 hours and 1.5 * $19.20 for the exceeding 5.5 hours, so her earnings is:

19.2 * 40 + 1.5 * 5.5 * 19.2 = $926.40

b)

The deduction is $34.75, so the remaining will be:

926.40 - 34.75 = $891.65

Then, after this deduction, the taxes is 32% of the remaining, so:

891.65 - 0.32 * 891.65 = $606.32

She received $606.32

6 0
3 years ago
If number is added to its square, the result is 56. find the number.
jekas [21]

Answer:

  -8 or +7

Step-by-step explanation:

Let x represent the number. The the problem statement tells us ...

  x² + x = 56

  x² +x -56 = 0 . . . . . subtract 56 to put into standard form

  (x +8)(x -7) = 0 . . . . factor

Solutions to the equation are values of x that make the factors zero:

  x = -8 . . . or . . . x = +7

The number could be -8 or +7.

_____

<em>Check</em>

For x = -8, the square is (-8)² = 64. Adding -8 to that gives 64-8 = 56.

For x = 7, the square is 7² = 49. Adding 7 to that gives 49+7 = 56.

5 0
3 years ago
PLEASE HELP THIS IS DUE IN 5 MINUTES PLEASE
Fed [463]

Answer: 8/5

Check:

8/5 = 1.6

1.6 x 5 = 8

7 0
3 years ago
Read 2 more answers
Pauline uses her home computer for word processing under contract to an agency. she is paid $7 per page for the first 50 pages,
MrMuchimi

a) 67=50+17

50×7+17×9=350+153=503$

b) 123=50+50+23

50×7+50×9+23×10=350+450+230=1030$

5 0
3 years ago
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