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3 years ago

Approximately _____ percent of the population are diagnosed with panic disorder using DSM criteria.

1 answer:

3 0

DSM stands for Diagnostic and Statistical Manual of Mental Disorders. DSM is aclassification system for the mental disorders and indicates how the disorder can be distinguished from other. The DSM-5 recognized anxiety disorders are: generalized anxiety disorder, phobic disorder, panic disorder and obsessive compulsive disorder. <span>Approximately 3 percent of the population are diagnosed with panic disorder using DSM criteria.</span>

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PLEASE HELP ME WITH THIS ALGEBRA QUESTION!! THANK YOU!!

lesantik [10]

Answer:

The first four terms of the sequence are: {-10,-23,-62,-179}

Step-by-step explanation:

Given recursive formula is:

$a_n = 3a_{n-1}+7$

First term = a1 = -10

The first term is already known. In order to find the next terms, we will put n=2,3,4 in the recursive formula.

Putting n=2

$a_2 = 3a_{2-1}+7\\a_2 = 3a_1+7\\a_2 = 3(-10)+7\\a_2 = -30+7\\a_2 = -23$

Putting n=3

$a_3 = 3a_{3-1}+7\\a_3 = 3a_2+7\\a_3 = 3(-23)+7\\a_3 = -69+7\\a_3 = -62$

Putting n=4

$a_4 = 3a_{4-1}+7\\a_4 = 3a_3+7\\a_4 = 3(-62)+7\\a_4 = -186+7\\a_4 = -179$

Hence,

The first four terms of the sequence are: {-10,-23,-62,-179}

6 0

4 years ago

On Monday morning, the temperature was 68 oF; but, by the afternoon, the temperature had risen 18 oF. On Tuesday morning, the te

MatroZZZ [7]

We are given

For Monday:

Morning temperature =68 F

but, by the afternoon, the temperature had risen 18 oF

so, afternoon temperature =68+18=86F

For Tuesday:

the temperature had dropped 21 oF since Monday afternoon

so, morning temperature=86-21=65F

but rose 20 F by the noon

so, noon temperature =65+20=85F

now, we can find temperature difference

temperature difference = 85F-68F

temperature difference = 17F.......................Answer

7 0

3 years ago

A waitress works 1.75 hours less in the afternoon than in the evening. If she works 5 1/8 hours in the afternoon, how many hours

Marianna [84]

Answer:

She worked $6\frac{7}{8}$ hours in evening.

Step-by-step explanation:

Let x be the hours she worked in evening,

Since, she works 1.75 hours less in the afternoon than in the evening.

So, the number of hours she worked in afternoon = x - 1.75,

According to the question,

$x-1.75 = 5\frac{1}{8}$

$x= \frac{41}{8}+1.75$ ( By adding 1.75 on both sides and change mixed fraction into simple fraction in right side )

$x=\frac{41}{8}+\frac{175}{100}$

$=\frac{1025+350}{200}$

$=\frac{1375}{200}$

$=\frac{55}{8}$

$=6\frac{7}{8}$

Hence, she worked $6\frac{7}{8}$ hours in evening.

8 0

3 years ago

Find the angle between the given vectors to the nearest tenth of a degree.

saul85 [17]

Answer:

Step-by-step explanation:

Given

u = <6, -1>

u = 6i-j

and

v=<7,-4>

v=7i-4j

The formula for angle is:

Let x be the angle

$cos\ x = \frac{u.v}{||u||.||v||}$

where ||u|| is the length and u.v is the dot product or scalar product of both vectors

So,

$||u|| = \sqrt{(6)^2+(-1)^2}\\ = \sqrt{36+1}\\ = \sqrt{37}\\ ||v||=\sqrt{(7)^2+(-4)^2}\\ = \sqrt{49+16}\\ = \sqrt{65}\\$

$u.v = u_1u_2+v_1v_2\\= (6)(7)+(-1)(-4)\\=42+4\\=46$

$cos\ x=\frac{46}{\sqrt{37}\sqrt{65}} \\= \frac{46}{\sqrt{2405} }\\Can\ also\ be\ written\ as:\\= \frac{46}{\sqrt{2405} } * \frac{\sqrt{2405} }{\sqrt{2405}} \\=\frac{46\sqrt{2405} }{2405}$

The calculated angle will be in radians. To find the angle in degrees:

$x = \frac{180}{\pi} cos^{-1} (\frac{46\sqrt{2405} }{2405})\\x = 20.282\\x= 20.3\\$

Hence Option A is correct ..

6 0

4 years ago

Sandy went to 20 baseball games this year. She went to 26 last year. How many baseball games did Sandy go to in total?

ale4655 [162]

Answer:

Step-by-step explanation:

5 0

3 years ago

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