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bulgar [2K]
3 years ago
9

Which element makes up 1/400 of the human body

Mathematics
1 answer:
VARVARA [1.3K]3 years ago
5 0
Magnesium ,Potassium, Sodium,or sulfur
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LSAT test scores are normally distributed with a mean of 152 and a standard deviation of 10. Find the probability that a randoml
tigry1 [53]

Answer:

the probability that a randomly chosen test-taker will score 142 or lower = 0.8643

Step-by-step explanation:

We are given;

Data point; x = 142

Mean; μ = 153

Standard deviation; σ = 10

So,let's find the z-score using;

z = (x - μ)/σ

z = (142 - 153)/10

z = -1.1

From the z-distribution table attached, the probability is;

P(z < -1.1) = 1 - 0.13567 ≈ 0.8643

5 0
3 years ago
Pls halp due today &gt;_&lt;. Thank you!
solmaris [256]

There are 7 days in a week, using this you can fill out the table.

If you have questions, feel free to add a comment to this answer.

Hope this helps.

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6 0
3 years ago
What is 3/5 equivalent too ?
ASHA 777 [7]
The equivalent is 60 over a hundred
6 0
3 years ago
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If ΔEFG ~ ΔLMN with a ratio of 3:1, which of the following is true?
Westkost [7]

Answer:

EG/LN similar FG/MN

Step-by-step explanation:

8 0
2 years ago
What is the dimension of a rectangle if the perimeter is 198
AfilCa [17]

Answer:

Length = 49.5 unit and width = 49.5 unit

Step-by-step explanation:

Given as , Perimeter of rectangle = 198 unit

so ,as Perimeter of rectangle = 2× ( Length + width)

Or,                                   198 = 2 ×  (Length + width)

Or,                                   \frac{198}{2} = length + width

So, length + width = 99 unit

Now to make area maximum

Length × width = maximum

Or, (99 - width ) × width = maximum

      99 Width - width² = maximum                              Let width = W

Now differentiate both side with respect to W

D(99W - W²)\frac{D(99w - w^2)}{Dw} = 0         as, constant diff is 0

So, 99 - 2w = 0

Or, w = \frac{99}{2}

Or, w = 49.5 unit    and L = 99- 4905 = 49.5 unit      Answer

3 0
3 years ago
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