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Fiesta28 [93]
3 years ago
11

Find the area, and round to the nearest tenth

Mathematics
1 answer:
Eduardwww [97]3 years ago
5 0

Answer:

312

Step-by-step explanation:

Area = .5* a h

a = 12

h = 13

Area = 312

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If the standard deviation of an exam is 5, the z-score us 1.95 and the mean is 80; what is the actual test score? (Round the ans
skad [1K]

If the standard deviation of an exam is 5, the z-score us 1.95 and the mean is 80, the actual test score is; 89.75

<h3>How to solve z-score problems?</h3>

We are given;

Standard deviation; s = 5

z-score = 1.95

Mean = 80

Formula for z-score is;

z = (x' - μ)/σ

Thus;

1.95 = (x' - 80)/5

1.95 * 5 = (x' - 80)

9.75 = x' - 80

x' = 80 + 9.75

x' = 89.75

Read more about Z-score Problems at; brainly.com/question/25638875

#SPJ1

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2 years ago
Will mark Brainliest<br><br>1/4 ÷ 7/1 =
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1/4 divided by 7/1 equals 1/28
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natima [27]
$18 is 30% or 0.3 of 60 dollars
6 0
2 years ago
Factor each completely
vampirchik [111]
Answer:
C
You have to do it step by step
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3 years ago
What is the value of 1/2 of 2/3 of 3/4 of 4/5 of 5/6 of 6/7 of 7/8 of 8/9 of 9/10 of 1000?
Alenkasestr [34]

Answer:

it's 100

Step-by-step explanation:

9/10 of 1000 is 900, 8/9 of 900 is 800, 7/8 of 800 is 700, 6/7 of 700 is 600, 5/6 of 600 is 500, 4/5 of 500 is 400, 3/4 of 400 is 300, 2/3 of 300 is 200, and 1/2 of 200 is 100 which makes 100 the value of 1/2 of 2/3 of 3/4 of 4/5 of 5/6 of 6/7 of 7/8 of 8/9 of 9/10 of 1000? I hope this makes sense.

5 0
3 years ago
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