f(x) = -22 + x + 14
Find f(2)

Answers

Answer 1

Answer:

sln

f(x) =-22+x+14 put 2 in x

f(2)=-22+2+14

f(2) =38


Related Questions

Write an algebraic expression for the word expression 9 less than the sum of x and 5

Answers

Answer:

X + 5 - 9

Step-by-step explanation:

Is your expression.

Exercise 3.62. A little boy plays outside in the yard. On his own he would come back inside at a random time uniformly distributed on the interval [0, 1]. (Let us take the units to be hours.) However, if the boy is not back inside in 45 minutes his mother brings him in. Let X be the time when the boy comes back inside (a) Find the cumulative distribution function F of X (b) Find the mean E(X) (c) Find the variance Var(X) Hint. You should see something analogous in Examples 3.20 and 3.38.

Answers

a) The cumulative distribution function F of X is: F(x) = P(X ≤ x) = 1

b) The mean E(X) is: E(X) = 0.5 hours.

c) The variance Var(X) is: the variance of X is approximately 0.0833 hours².

To find the cumulative distribution function (CDF) of X, we need to consider two cases: when the boy comes back inside before 45 minutes and when the boy is brought inside by his mother after 45 minutes.

(a) Cumulative Distribution Function (CDF) F of X:

For 0 ≤ x < 0.75 (when the boy comes back inside before 45 minutes):

Since the boy comes back inside uniformly distributed on the interval [0, 1], the CDF is simply the probability that the boy comes back inside before time x.

The probability of the boy coming back inside before x is equal to x, as it is a uniform distribution.

F(x) = P(X ≤ x) = x

For 0.75 ≤ x ≤ 1 (when the mother brings the boy inside after 45 minutes):

If the boy is not back inside at 45 minutes (0.75 hours), his mother brings him inside.

Therefore, the probability of the boy coming back inside before x in this case is 1.

F(x) = P(X ≤ x) = 1

(b) Mean (Expected Value) E(X):

The expected value of X, denoted by E(X), is the average time the boy spends outside before coming back inside.

For a uniform distribution on the interval [0, 1], the expected value is the midpoint of the interval.

Therefore, E(X) = (1 + 0) / 2 = 0.5 hours.

(c) Variance Var(X):

The variance of X, denoted by Var(X), measures the spread or variability of the random variable X around its mean.

For a uniform distribution on the interval [0, 1], the variance is given by:

Var(X) = (1² - 0²) / 12 = 1 / 12 ≈ 0.0833 hours²

So, the variance of X is approximately 0.0833 hours².

To learn more on probability click:

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Write 1 3/8 as an improper fraction.

Answers

Answer:

[tex] \frac{11}{8} [/tex]

Step-by-step explanation:

[tex] \frac{1 \times 8 + 3}{8} [/tex]

Answer:

11/8

Step-by-step explanation:

WRITE AN EQUETION TO REPREDENT ECH ONE ​

Answers

Answer:

2x=3

W+1.3=2.7

3y=5.1

z+1/3=1/2

Step-by-step explanation:

You just add up all on the left to equate that on the right

2x=3

W+1.3=2.7

3y=5.1

z+1/3=1/2

In case you have to solve:

x=3/2

W=2.4

y=1.7

z=1/6

What is the solution to 4x+63 ≤ 18?​

Answers

Answer:

[tex] - \frac{45}{4} [/tex]

the answer is x ≤ -45/4

Plz help me
A.6x3+2 3/4=20 3/4 cm3
B.6x3x2 3/4= 49 1/2 cm3
C.6+3+2 3/4=11 3/4 cm3
D.3x2 3/4= 8 1/4

Answers

Answer:

The answer to this would be B.

Step-by-step explanation:

When finding the volume of a three-dimensional object you want to use the formula, (Length) x (Height) x (Width) = (Volume)

In this case, 6 cm is your height

3 cm is your length,

and 2 3/4 cm is your width.

When you plug in those numbers, the only equation that matches is B. 6x3x2 3/4.

Hope this helped!

Oil prices are projected to increase by 100% by next June. A quart of oil currently costs $2.45. What is the projected cost of a gallon of oil next June? Round your answer to the nearest hundredth.

Answers

Answer:

4.9

Step-by-step explanation:

100% of 2.45 is 2.45.

We add 2.45 + 2.45 which is 4.9.

Can I get brainliest?

Answer:

19.60

Step-by-step explanation:

What is 14 2/7 x 4 3/10=

Answers

Answer:

430/ 7

Step-by-step explanation:

yess this is the correct answer

Scores on the GRE.
A college senior who took the Graduate Record Examination exam scored 560 on the Verbal Reasoning section and 740 on the Quantitative Reasoning section. The mean score for Verbal Reasoning section was 460 with a standard deviation of 132, and the mean score for the Quantitative Reasoning was 452 with a standard deviation of 140. Suppose that both distributions are nearly normal. Round calculated answers to 4 decimal places unless directed otherwise.
(a) Write down the short-hand for these two normal distributions
(b) What is her Z score on the Verbal Reasoning section? On the Quantitative Reasoning section? Draw a standard normal distribution curve and mark these two Z scores.
(c) What do these Z scores tell you?
(d) Relative to others, which section did she do better on?
(e) Find her percentile scores for the two exams.
(f) What percent of the test takers did better than her on the Verbal Reasoning section? On the Quantitative Reasoning section?

Answers

Answer:

Kindly check explanation

Step-by-step explanation:

Verbal:

Score, x = 560

Mean, m = 460

Standard deviation, s = 132

Quantitative :

Score, x = 740

Mean, m = 452

Standard deviation, s = 140

a)

Verbal :

X ~ N(460, 132)

Quantitative :

X ~ N(452, 140)

(b)

What is her Z score on the Verbal Reasoning section? On the Quantitative Reasoning section? Draw a standard normal distribution curve and mark these two Z scores.

Zscore = (x - m) / s

Verbal :

Zscore = (560 - 460) / 132 = 0.758

Quantitative :

Zscore = (740 - 452) /140 = 2.057

(c.)

He has a higher standardized score in the quantitative than the verbal score.

(d.)

The Zscore shows that he performed better in the quantitative reasoning than verbal.

(e) Find her percentile scores for the two exams.

(f) What percent of the test takers did better than her on the Verbal Reasoning section? On the Quantitative Reasoning section?

Verbal :

Score greater than 560

P(x > 560) :

Z = (560 - 460) / 132 = 0.758

P(Z > 0.758) = 0.22423 = 22.4%

Quantitative :

Score greater than 740

P(x > 740) :

Z = (740 - 452) / 140 = 2.057

P(Z > 0.758) = 0.0198 = 1.98%

3y=54 what is y in the equation

Answers

Answer:

y=18

Step-by-step explanation:

54 divided by 3 = 18

Hope this helps :)

(Brainliest?)

Answer:

18

Step-by-step explanation:

Divide each side by 3

54/3 = 18

1/4 Marks
5/17 Marks
Given that f(x) = x2
x2 – 3
9
a) Find f(3)
b) Find f(x)
c) Find f'(11)

Answers

Answer:

a)13

b)F(x)=1/f(x) = 2/ x^2-3

c) 1/59

Please help me. Will mark you brainliest

Answers

Step-by-step explanation:

dont type the link he is spamming it. I dont know the answer because I cant see the small type but if you download bartleby you can get the answer by professions (10 free) no credit card in 34 minutes and this is not a advertisement btw

will mark brainlest Coby needs to know the area and perimeter of his farm property. The length of his property is 1/9 mile and the width is 3/8 mile. What is the area? and What is the perimeter?

Answers

Answer for Area :

1/24

Answer for Perimeter :

35/36

Step-by-step explanation:

To find the area it's l x w so you multipy 1/9 and 3/8 = 1/24

To find the perimeter you add all the sides together so you add 1/9 + 1/9 + 3/8 + 3/8 = 35/36

I hope this helped you!! :> Have a great rest of your day!

Answer: area 1/24 perimeter 35/36

Step-by-step explanation:

For the quadratic function f(x) = x2 + 8x + 12 in standard form, find the following key features:
vertex
y-intercept
Roots x =
and x =
Axis of Symmetry x =

Answers

Answer:

vertex:(−4,−4)

y-intercept:(0,12)

roots x=−2

and x= -6

AOS:-4

Step-by-step explanation:

pls someone answer this...​

Answers

Answer:

p=10

Step-by-step explanation:

3p+10+5p=90

8p+10=90

8p=80

p=10

Answer:

p = 5

Step-by-step explanation:

Th angles are complimentary, meaning that they equal 90° if put together.  This mean that you can set them equal to eachother.  

3p + 10 = 5p  

Subtract 3p from both sides.

10 = 2p

Divide both sides by 2.  

p = 5  

You can check you work by plugging in 5 for p.  

3(5) + 10 = 5(5)

15 + 10 = 25

25 = 25

Therefore, p = 5.  

Sorry if I'm wrong, but I hoped this helped.  Have a great day/night!  

 

The daily rainfall experienced by Soaking City has been recorded on 9 randomly selected days throughout the year. This process has been repeated for every possible combination of 9 days in a year. The standard error of the mean has been calculated and is equal to 0.39 inches. If the rainfall was recorded on 36 (instead of 9) randomly selected days throughout the year, the standard error of the mean would be equal to:____.
a. 0.078 inches.
b. 0.248 inches.
c. 0.045 inches.
d. 3.429 inches.

Answers

If the rainfall was recorded on 36 (instead of 9) randomly selected days throughout the year, the standard error of the mean would be equal to 0.195 inches.

The standard error measures the variability or uncertainty in an estimate or statistic based on a sample. It is often denoted as SE or SE(θ), where θ represents a population parameter of interest.

Given that

the standard error of the mean, SE = 0.39 (when sample size,n = 9).

Let s be the standard deviation around the mean, then

Since SE = [tex]\dfrac{s}{\sqrt n}[/tex]

In this sample,

0.39 = [tex]\dfrac{s}{\sqrt9}[/tex]

s = 0.39 × 3

s = 1.17.

If the sample size is increased from 9 to 36,

SE = [tex]\dfrac{1.17}{\sqrt36}[/tex]

SE = [tex]\frac{1.17}{6}[/tex]

SE = 0.195 inches.

Thus, the standard error of the mean changes from 0.39 inches to 0.195 inches.

Learn more about Standard Error here:

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Answer this correctly I’ll give brainalist + 10 points

Answers

Answer:

50

Step-by-step explanation:

please brainalist

Answer:

x= 60

Step-by-step explanation:

brr 180 degrees total, divided by 3x would be 60

so X=60

The parking garage has 9 rows with 10 parking space in each row . There are 8 empty space . How many space are filled.

Answers

Answer:

82 .

Step-by-step explanation:

9x 10 = 90 then 90-8 = 82 that how many spaces are filled .

Find the height of the parallelogram shown below, if the area is 2115.
45
?
51

Answers

Answer:

47

Step-by-step explanation:

2115/45=47

Suppose you roll a special 43-sided die. What is the probability that one of the following numbers is rolled? 29 27 5

Answers

3/43 cuz 29, 27, and 5 are only three out of 43 different numbers

letttttt gooooo keep it going gurl

Answers

Answer:

a

Step-by-step explanation:

the other ones are incorrect

What is the coefficient of 20x?

Answers

Answer:

20

Step-by-step explanation:

A coefficient is the number that is attached to the variable.

In this case, the number attached to the variable is 20.

Therefore, the coefficient is 20

hope this helps :)

how do I solve this ​

Answers

Answer:

f(x) = 2x^3 - 6x^2 - 20x + 48

Step-by-step explanation:

A polynomial with zeros a, b, c, etc., is the product of (x - a)(x - b)(x - c)...

f(x) = (x + 3)(x - 2)(x - 4)

f(x) = (x^2 + x - 6)(x - 4)

f(x) = x^3 - 4x^2 + x^2 - 4x - 6x + 24

f(x) = x^3 - 3x^2 - 10x + 24

This polynomial function has the zeros listed in the problem.

Now we need to make sure it includes the point (6, 144).

f(x) = (x + 3)(x - 2)(x - 4)

f(6) = (6 + 3)(6 - 2)(6 - 4)

f(6) = 9 * 4 * 2

f(6) = 72

The polynomial function has point (6, 72). We want it to include the point (6, 144). We multiply the function by 2.

f(x) = 2(x^3 - 3x^2 - 10x + 24)

f(x) = 2x^3 - 6x^2 - 20x + 48

The function f(x)=a(x+3)(x-2)(x-4) has those zeros. Plug in the coordinates and solve for a=2.

f(x)=2(x+3)(x-2)(x-4)
You can also multiply that out if you want to

Please sombody actually help me im stuck on this.​

Answers

Answer:

A=6

B=19

C=55

D=119

E=70

Answer:

Blank A = 6

Blank B = 19

Blank C = 55

Blank D = 119

Blank E = 70

What is the value of this expression? 42−{(7+14)÷7}×4
A. 6
B. 28
C.30
D. 156

Answers

Answer:

42−{(7+14)÷7}×4

42 - {21 ÷ 7} x 4

42 - 3 x 4

42 - 12

30

Step-by-step explanation:

C
Add 7+14 first and then divided by 7×4 then subtract it by 42

Help memmememmememenememmeemememmemememememmemememememmeme

Answers

Answer:

165438339828369373938+50

PLEASE HELP DUE IN 15 MINUTES WILL GIVE BRAINLIEST!

Answers

4m = 12x + 40

8x + 8x + 12x + 40 + 4m = 360

28x + 40 + 12x + 40 = 360

x = 7

m = 12(7) + 40 = 124

Determine the equation for the line that passes through the point (-5,3 ) with a slope of -2/3

Answers

Answer:

y=-2/3x-1/3

Step-by-step explanation:

Plug in the point (-5,3)

3=-2/3(-5)+k

3=3.3333+k

k (y-intercept)=-0.33333, or -1/3

Determine whether the following sequence is geometric. If so, find the common ratio.
1, -5, 25, - 125, ...

Answers

Geometric sequence

-5 each term is multiplied by -5

-5is the answer I think

What slope is being shown in the equation:
y-9=-3(x+6)

Answers

The slope is -3. The slope equals the coefficient of x and in this equation that would be -3.
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