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3 years ago

Identify the domain of the function shown in the graph

Mathematics

2 answers:

Fofino [41]3 years ago

6 0

Answer:

I think its D

Step-by-step explanation:

Elza [17]3 years ago

5 0

Option B: all real numbers because this is a sin wave that will go from -infinite to infinite on both sides. This is the domain.

The range is top to bottom. It will never go higher than 1 or lower than - 1.

It is also inclusive.

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For what real values of does the quadratic 12x^2+kx+27=0 have nonreal roots

bija089 [108]

Answer:

k<±36

Step-by-step explanation:

Δ<0 (no real roots)

b²-4ac<0

k²-4x12x27<0

k²-1296<0

k²<1296

k<±36

3 0

3 years ago

What is the definition of data

Studentka2010 [4]

Answer:

facts and statistics collected together for reference or analysis

a piece of information :)

Step-by-step explanation:

5 0

3 years ago

Can someone help with this one i think i did it wrong but i don’t know if i’m correct

Maurinko [17]

Answer:

A rectangle

Step-by-step explanation:

Plot it carefully on grid paper. You will see that opposite sides are congruent making it a parallelogram, but adjacent sides are not, so it is not a square or a rhombus. Also each two adjacent sides are perpendicular, so it makes it a rectangle.

8 0

4 years ago

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Vaselesa [24]

Answer:

x=21.5, plug it in and get 69 degrees

Step-by-step explanation:

4x-17+31=90

4x+14=90

4x=86

x=21.5

8 0

3 years ago

Read 2 more answers

A study of the US clinical population found that 24.5% are diagnosed with a mental disorder, 14% are diagnosed with an alcohol-r

Keith_Richards [23]

Answer:

Part (A) The probability that someone from the clinical population is diagnosed with a mental disorder, knowing that the person is diagnosed with an alcohol-related disorder is 0.286

Part (B) The probability that someone from the clinical population is diagnosed with an alcohol-related disorder, knowing that the person is diagnosed with a mental disorder is 0.163.

Step-by-step explanation:

Consider the provided information.

A study of the US clinical population found that 24.5% are diagnosed with a mental disorder, 14% are diagnosed with an alcohol-related disorder, and 4% are diagnosed with both disorders.

P(M) = P(Mental disorder) = 24.5% = 0.245

P(A) =P(Alcohol-related disorder) = 14% = 0.14

P(M and A) =P(Both disorder) = 4% = 0.04

Part (A) What is the probability that someone from the clinical population is diagnosed with a mental disorder, knowing that the person is diagnosed with an alcohol-related disorder?

$P(\text{Mental disorder}\mid\text{alcohol-related disorder})=\frac{P(M\ and\ A)}{P(A)}$

$P(\text{Mental disorder}\mid\text{alcohol-related disorder})=\frac{0.04}{0.14}=0.286$

Hence, the required probability is 0.286.

Part (b) What is the probability that someone from the clinical population is diagnosed with an alcohol-related disorder, knowing that the person is diagnosed with a mental disorder.

$P(\text{alcohol-related disorder}\mid\text{Mental disorder})=\frac{P(M\ and\ A)}{P(M)}$

$P(\text{alcohol-related disorder}\mid\text{Mental disorder})=\frac{0.04}{0.245}=0.163$

Hence, the required probability is 0.163.

8 0

3 years ago