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ycow [4]
3 years ago
12

Debra has 2/3 of a pound of loose green tea leaves. If she wants to keep one-half if the tea at home and the other half at work,

what fraction of a pound will she have at work?
a) 1/6
b) 1/4
c) 1/3
d) 1/3
Mathematics
1 answer:
stealth61 [152]3 years ago
7 0
The answer is 1/6 because 2/3-1/2 the command denominator is 6 so 2 goes in six 3 times then you do 3×1 =3 so you got 3/6 then you do 3 goes in 6 2 times then you do 2×2=4 and 4-3=1 so you get 1/6
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teacher gives 5 students a multiple choice test, in which each problem is worth 1 point and there is no penalty with negative po
mamaluj [8]

The mean is the average value of a given set of numbers, and the median is the number in the middle of a set of numbers arranged in increasing order

The correct values as response to the questions are;

The minimum possible <em>top score</em> is <u>21</u>

The maximum possible <em>top score</em> is <u>32</u>

The <em>minimum </em>of the possible <em>standard deviation</em> is approximately <u>1.26</u>

The <em>maximum </em>of the possible <em>standard deviation</em> is approximately <u>11.7</u>

<u />

The reason the above values are correct are as follows:

<u />

The given parameters are;

The number of students that take the test, n = 5

The amount of points for each problem = 1 point

The median score = 9

The mean Score = 10

Required:

The minimum possible score;

The maximum possible top score

The minimum of the possible standard deviations

The maximum of the possible standard deviations

Solution:

Given that there is a score (the median) which is 9, we have;

The scores obtainable in the test is Scores ≥ 9

Therefore, for a score of 10, we have;

The minimum total points obtainable = Mean × Number of students

Therefore;

Total minimum total points obtainable by the 5 students = 5 × 10 = 50

  • The minimum possible top score

By arrangement, with the median at the middle, the minimum possible top score is given as follows;

0, 0, 9, 20, 21

Therefore, the minimum possible top score is <u>21</u>

<u />

  • The maximum possible top score

The maximum possible top score is similarly given by arrangement of the numbers as follows'

0, 0, 9, 9, 32

The maximum possible top score is <u>32</u>

<u />

  • The minimum standard deviation

By arrangement and selection, the minimum standard deviation is given as follows;

The minimum of the possible standard deviations of (9, 9, 9, 11, 12) ≈ <u>1.26</u>

  • The maximum of the possible standard deviation

The maximum of the possible standard deviation is given as follows;

The maximum of the possible standard deviation of (0, 0, 9, 9, 32) ≈ <u>11.7</u>

<u />

Learn more about mean and median here:

brainly.com/question/17012793

8 0
2 years ago
What times blank equal 90 and a 100
torisob [31]

Answer:

10x9=90

10x10=100

Step-by-step explanation:

4 0
3 years ago
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How do you write 25/45 as a ratio
Gwar [14]
It is 5:9 in simplest form 
3 0
3 years ago
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What is the value of x?<br>45°<br>(2x - 5)°​
vichka [17]

Answer:

50

Step-by-step explanation:

2x25=50-5=45

7 0
3 years ago
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To get the right color to paint the house, Wendy must
Nataly [62]

Answer:

Wendy must mix .25 with .75

Step-by-step explanation:

Because 1 is a third of 3 which makes the process for the decimals.

6 0
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