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Snowcat [4.5K]
3 years ago
12

What is the equivalent decimal for 1\2

Mathematics
2 answers:
deff fn [24]3 years ago
5 0
0.5 is the equivalent decimal for 1/2 
tangare [24]3 years ago
4 0
It is 2/4, 4/8, 3/6, 1.5/3 hope that helps and always good luck
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Simplify.<br> 40 to the half power
allochka39001 [22]

Answer:

2✓10

Step-by-step explanation:

40 to the half power

can also be written as √40

so,√2×2×10=2√10

7 0
2 years ago
An English professor assigns letter grades on a test according to the following scheme. A: Top 15% of scores B: Scores below the
lisabon 2012 [21]

Answer:

59 to 66

Step-by-step explanation:

Mean test scores = u = 74.2

Standard Deviation = \sigma = 9.6

According to the given data, following is the range of grades:

Grade A: 85% to 100%

Grade B: 55% to 85%

Grade C: 19% to 55%

Grade D: 6% to 19%

Grade F: 0% to 6%

So, the grade D will be given to the students from 6% to 19% scores. We can convert these percentages to numerical limits using the z scores. First we need to to identify the corresponding z scores of these limits.

6% to 19% in decimal form would be 0.06 to 0.19. Corresponding z score for  0.06 is -1.56 and that for 0.19 is -0.88 (From the z table)

The formula for z score is:

z=\frac{x-u}{\sigma}

For z = -1.56, we get:

-1.56=\frac{x-74.2}{9.6}\\\\ x = 59

For z = -0.88, we get:

-0.88=\frac{x-74.2}{9.6}\\\\ x = 66

Therefore, a numerical limits for a D grade would be from 59 to 66 (rounded to nearest whole numbers)

7 0
4 years ago
Solve the system by elimination -3x+4y=16 3x+y=4
Illusion [34]
X's cancel 5y = 20 y= 4 X=0
7 0
3 years ago
Find the length of a rectangle given the information below.
ahrayia [7]

Answer:

156ft would be the answer

Step-by-step explanation:

Simple, 184-28=156. If it was the area you would divide 184 by 28 to get about 6.57.  

L+W=P

aka length + width= perimeter. But LxW=Area, LxW=A, or bXh (base times the height)

4 0
4 years ago
Vanessa and Zack are playing a game where the player with the lower score wins.
dezoksy [38]
What is the question
3 0
3 years ago
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