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Alexeev081 [22]
3 years ago
9

What is the value of C-F​

Mathematics
1 answer:
photoshop1234 [79]3 years ago
4 0

Answer:

The sweat chloride reference value is less than 30 mmol/L. A value of more than 60 mmol/L of chloride in the sweat is consistent with a diagnosis of cystic fibrosis. The values of 30-60 mEq/L may represent heterozygous carriers, these carriers cannot be accurately identified with a sweat chloride test.

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Giving brainliest :)
Verizon [17]

Answer:

f^{-1}(x)=x^2+1

Step-by-step explanation:

The inverse of a function is when the x and y are swapped. So the first step is to write f(x) as y and then swap the x and y

Original Equation:

f(x)=\sqrt{x-1}\\

write f(x) as y (since that's what it represents)

y=\sqrt{x-1}

Swap x and y

x=\sqrt{y-1}

Square both sides

x^2=y-1

Add 1 to both sides

x^2+1=y

So this gives you the equation:

f^{-1}(x)=x^2+1

8 0
2 years ago
A set of data items is normally distributed with a mean of 400 and a standard deviation of 60. Find the data item in this distri
Softa [21]

Answer:

The data item is X = 580

Step-by-step explanation:

Normal Probability Distribution:

Problems of normal distributions can be solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the z-score of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the p-value, we get the probability that the value of the measure is greater than X.

Mean of 400 and a standard deviation of 60.

This means that \mu = 400, \sigma = 60

z=3

We have to find X when Z = 3. So

Z = \frac{X - \mu}{\sigma}

3 = \frac{X - 400}{60}

X - 400 = 3*60

X = 580

The data item is X = 580

6 0
3 years ago
A repair service charges $55.00 to come to your home plus $24.50 per hour. Find a function that describes the arithmetic sequenc
Kryger [21]

Answer:

f(x)=24.50x+55

Total cost for 7 hours: $226.5

Step-by-step explanation:

We consider that x is the amount of hours.

24.5*7+55=226.5

171.5+55=226.5

5 0
3 years ago
Identify the function family to which g(x) belongs. (g(x) x 3 + 5​
alexgriva [62]
B is bbbbbbbbbbbbbbbbbbbbbbbb
4 0
4 years ago
Write and solve an inequality to find the values of x for which the perimeter of the rectangle is less than 140.
Mashcka [7]

Given:

Length of the rectangle = x+4

Width of the rectangle = x

The perimeter of the rectangle is less than 140.

To find:

The inequality for the given situation and solve it.

Solution:

We have,

l=x+4

w=x

We know that, the perimeter of a rectangle is

P=2(l+w)

P=2(x+4+x)

P=2(2x+4)

P=4x+8

It is given that the perimeter of the rectangle is less than 140.

P

4x+8

4x

4x

Divide both sides by 4.

x

x

Therefore, the correct option is A because the sign of inequality is < and the solution of inequality is x.

3 0
3 years ago
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