For the standard normal probability distribution, the area to the right of the mean is:

Answers

Answer 1

the answer is 0.5. I hope this is helpful.

Related Questions

Alexander deposited money into his retirement account that is compounded annually at an interest rate of 7%.
Alexander thought the equivalent quarterly interest rate would be 2%. Is Alexander correct? If he is, explain
why. If he is not correct, state what the equivalent quarterly interest rate is and show how you got your
answer. i need to show my work and everything

Answers

The reason he is NOT correct is because a quarterly rate refers to 1/4 of a year. 7/4 does mot equal 2. it only equals 1.75, so his quarterly interest would be 1.75%.

PLEASE HELP ASAP!! Will give brainliest!

Answers

1/2n + 3/4n = 1/2 ...multiply by common denominator 4

2n + 3n = 2

5n = 2

n = 2/5

So... n = 2/5

I hope this helped! : )
Please rate and thank!

(a) A certain solution has a hydrogen ion concentration of 0.00000914 moles per liter. Write this number in scientific notation.
(b) A humpback whale can weigh up to ×1.1105 pounds. Write this number in standard notation.

Answers

(a) 0.00000914 in scientific notation: 9.14 * 10^-6

(b) As to this one, the equation seems incomplete. What's the exponent of 10, if it says there's any exponent?

Final answer:

The hydrogen ion concentration can be written in scientific notation as 9.14 x 10-6 M. The weight of a humpback whale can be written in standard notation as 11,105 pounds.

Explanation:

(a) The given hydrogen ion concentration of 0.00000914 moles per liter can be written in scientific notation as 9.14 x 10-6 M. To convert the number to scientific notation, we move the decimal point to the left until there is one non-zero digit to the left of the decimal point and multiply by the corresponding power of 10.

(b) The weight of a humpback whale, which is given as ×1.1105 pounds, can be written in standard notation as 11,105 pounds. To convert from scientific notation to standard notation, we move the decimal point to the right or left by the power of 10 indicated by the exponent.

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Given that f(a+b)= f(a) + f(b) and f(x) is always positive, what os the value of f(0)?

Answers

This is a strange question, and f(x) may not even exist. Why do I say that? Well..

[1] We know that f(a+b) = f(a) + f(b). Therefore, f(0+0) = f(0) + f(0). In other words, f(0) = f(0) + f(0). Subtracting, we see, f(0) - f(0) = f(0) or 0 = f(0).

[2] So, what's the problem? We found the answer, f(0) = 0, right? Maybe, but the second rule says that f(x) is always positive. However, f(0) = 0 is not positive!

Since there is a contradiction, we must either conclude that the single value f(0) does not exist, or that the entire function f(x) does not exist.

To fix this, we could instead say that "f(x) is always nonnegative" and then we would be safe.

Write a decimal number that, then round to the nearest tenth, is 0.3.

Answers

0.34 could round down to o.3

In the xy-plane, if the parabola wiry equation y=ax^2+bx+c, where a, b, and c are constants, passes through the point (-1,1), which of the following must be true?

A) a-b=1
B) -b+c=1
C) a+b+c=1
D) a-b+c=1

Please help ;(

Answers

The answer is D cause you are given that the polynomial y=ax^+bx+c has the value y=1 a+x= -1. It means that (substitute this value of x= -1 into the polynomial) 1=y=a×(-1)+c =a*1-b+c=a-b+c.
again:a-b+c=1

The correct option will be "option D".

It is given that in the x-y plane, parabola with equation y=ax² + bx + c , passes through point (-1,1).

We have to check which equation is most suitable.

What is parabola ?

The graph of a quadratic equation in two variables (y=ax² + bx + c) is called a parabola.

Parabola has the equation ,

y = ax² + bx + c --------- Equation (1)

At point (−1, 1)

x = -1 and y = 1

Substitute the values of x and y in the equation (1).

i.e., y = ax² + bx + c

1 = a × (-1)² + b× (-1) + c

1 = a × (1) - b + c

1 = a - b + c

Thus, in x-y plane at point (1,-1) , equation will be , a - b + c = 1.

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A jet travels 510 miles in 2 hours. At this rate, how far could the jet fly in 15 hours? What is the rate of the speed of the jet?

Answers

First, find how much distance is covered in 1 hour

510/2 = 255.

Multiply 1 hour distance covered by 15

255*15=3825 miles

Hope I helped :)

Simplify. y^-3 pls help me i need this very bad

Answers

my understanding is that when the power is a negative number, move it to the denominator and change it to positive.
In this case, the base is y, the power is -3
y^(-3)=1/(y^3)

I really need help with these questions. What will these word problems look like?

A. The perimeter, P, of a rectangle is the sum of twice the length and twice the width.

1. P = 2(l+w) units

2. P = 2(5)+2(9) units

3. P = 4x units

4. P = (l+l)+(w+w) units

5. P = 2(x+3) units

B. The area, A, of a triangle is one-half the product of the triangle's base and height.

1. A = 1/2 (b+h)

2. A = 1/2(12)(5)

3. A = 1/2(b*h)

4. A = (x + y)/2

5. A = x^2/2

There is more than one answer to each problem. I will award brainliest answer, I really could use some help with this.

Answers

A. The perimeter, P, of a rectangle is the sum of twice the length and twice the width.

answer

1. P = 2(l+w) units
2. P = 2(5)+2(9) units
4. P = (l+l)+(w+w) units

B. The area, A, of a triangle is one-half the product of the triangle's base and height.

answer

2. A = 1/2(12)(5)

3. A = 1/2(b*h)

Given the following functions f(x) and g(x), describe the changes (horizontal shifts, vertical shifts, etc.) to the graph of g(x) with respect to the graph of f(x).

f ( x ) = | x | g ( x ) = - | x + 3 | -2

Answers

g(x)=-|x+3|-2
So, first you have to subtract 2 (in other words the line will go two to the right).
Second, you have to add 3 and then take the absolute value, so it will move three up and curve up too. Hope this helped!

An air cargo plane can transport as many as 15 regular shipping containers. One supersize container takes up the space of 3 regular containers.

Answers

An air cargo plane can transport as many as 15 regular shipping containers. One super-size container takes up the space of 3 regular containers. Write an inequality to model the number of regular and super-size containers the plane can transport.

Let the number of regular containers the plane can transport be x and the number of super-size containers the plane can transport be y, then

Given that one super-size container takes up the space of 3 regular containers, i.e. y = 3x and that the capacity of the plane is 15 regular containers.

When the ship is not carrying any super-sized container, it can carry up to 15 regular containers and when the ship is not carrying any regular containers it can carry up to 5 super-sized containers.

Therefore, the inequality to model the number of regular and super-size containers the plane can transport is given by

x + 3y ≤ 15

How to solve the second equation

Answers

[tex]\bf \textit{ vertex of a vertical parabola, using coefficients}\\\\ \begin{array}{lccclll} y = &{{ -0.02}}x^2&{{ +1}}x&{{ +6}}\\ &\uparrow &\uparrow &\uparrow \\ &a&b&c \end{array}\qquad \left(-\cfrac{{{ b}}}{2{{ a}}}\quad ,\quad {{ c}}-\cfrac{{{ b}}^2}{4{{ a}}}\right) \\\\\\ \left( -\cfrac{1^2}{2(-0.02)}~~,~~6-\cfrac{1^2}{4(-0.02)} \right) \\\\\\ (\stackrel{\textit{how far ahead it went}}{25}~,~\stackrel{\textit{how high it went}}{18\frac{1}{2}})[/tex]

[tex]\bf \textit{ vertex of a vertical parabola, using coefficients}\\\\ \begin{array}{lccclll} y = &{{ -0.01}}x^2&{{ +0.7}}x&{{ +6}}\\ &\uparrow &\uparrow &\uparrow \\ &a&b&c \end{array}\qquad \left(-\cfrac{{{ b}}}{2{{ a}}}\quad ,\quad {{ c}}-\cfrac{{{ b}}^2}{4{{ a}}}\right) \\\\\\ \left( -\cfrac{0.7^2}{2(-0.01)}~~,~~6-\cfrac{0.7^2}{4(-0.01)} \right) \\\\\\ (\stackrel{\textit{how far ahead it went}}{24\frac{1}{2}}~,~\stackrel{\textit{how high it went}}{18\frac{1}{2}})[/tex]

The endpoints of a diameter of a circle a(-1,1) and b(3,3). what is the length of the radius

Answers

If we determine the distance from one point to the second point, we get the length of the diameter. This is calculated through the equation,

D= sqrt ((x2 – x1)^2 + (y2 – y1)^2)

Substituting the known values,

D = sqrt ((-1 – 3)^2 + (1 – 3)^2)

D = 4.47

The length of the radius is half that of the diameter. Hence, the radius is,

R = 4.47 /2 = 2.236

Answer: r = 2.24

Read the following conjecture.

Any number that is divisible by 2 is also divisible by 8.

Find a counterexample to show that the conjecture is false

A: 16

B: 24

C: 28

D: 32

Answers

The answer to your question is C

16/2 =8, 16/8 = 2

24/2 = 12, 24/8 = 3

28/2 = 14, 28/8 = 3.5

32/2 = 16, 32/8 = 4

28 isn't divisible by 8

Answer is C

What happens when you multiply a fraction by its reciprocal?

Answers

Multiplying by the reciprocal is the same as dividing by the original fraction
(1/2)/(3/4)=(1/2)*(4/3)=4/6=2/3

I'm not quite sure about this one. Can someone help? -Concept: Logs-

Answers

Hi there!

The correct answer is option 1

Here is how it looks like on mine. Check the picture

Hello!

I believe the answer is the 1st one..

Here's what I got. (pic below)

Have a good weekend! ☺♥

round 999.999 to the nearest tenth

Answers

999.9

to the left of the point you start with tenths then hundredths and so on

Answer: 1000
Reasoning:
For the number 999.999, the 0.9 is the tenth's digit.
Since the next number is 5 or greater, we round the 0.9 up. Now 0.9 rounded up is 1, so that takes away the decimals and adds one to the ones place value.
Since we are adding 1 to 9, it becomes 10, meaning the following 9 becomes a ten as well.
All said and done, it becomes 1000 from the rounding.

Find the average value of f over region
d. f(x, y) = 4x sin(y), d is enclosed by the curves y = 0, y = x2, and x = 7.

Answers

Final answer:

The question involves finding the average value of function f(x, y) = 4x sin(y) over a particular region. This is done using a double integral to integrate the function over the region and divide by the area of that region. The area of the region is determined using the given boundaries.

Explanation:

The subject of this question is calculus, specifically dealing with a double integral to find the average value of a function over the specified region. The given function is f(x, y) = 4x sin(y), and the region d is enclosed by the curves y = 0, y = x^2, and x = 7.

To find the average value of function f over the region d, you should use the formula for the average value of a function of two variables. This is given by: Avg = (1/Area(D)) ∫∫_D f(x, y) dA

Before we can use this formula, we need to find the area of region D. This can be obtained as a simple integral from the given boundaries: Area(D) = ∫ from 0 to 7 dx ∫ from 0 to x^2 dy = ∫ from 0 to 7 x^2 dx = [x^3/3]_0^7 = 343/3

We can then proceed with the double integration by applying the appropriate limits. This is a more complex process that requires substitutions and careful calculation. After evaluating the average value, you should get a numerical solution.

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Final answer:

To find the average value of a function over a region, calculate the double integral of the function over that region and divide it by the area of the region.

Explanation:

To find the average value of a function over a region, we need to calculate the double integral of the function over that region and then divide it by the area of the region. In this case, the region d is enclosed by the curves y = 0, y = x-2, and x = 7. We can set up the integral as follows:

So, the average value of f over region d is 1.12.

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If the length of the rectangle is twice the width and the perimeter of the rectangle is 30 cm find its area

Answers

Lets let width=x meters.
Length is twice the width, twice meaning two times and we know that the width is x so length = 2x.
The perimeter is the sum of all the sides or width + width + length + length which is equal to x + x + 2x + 2x by substituting x for width and 2x for length. We know that x is really 1x since 1 times anything is that anything.
So the perimeter can be written as 1x + 1x + 2x + 2x which we are told is equally 42 meters. We reduce the equation by collecting all terms that have the same variables so we get (1 + 1 + 2 + 2 )x = 42. Adding the collected terms together we get 6x = 42. Now we solve for x by dividing both sides of the equation by six. Whatever we do to one side we have to do to the other so the equation remains balanced. So 6x divide by 6 is 1x or we can just say x, and 42 is divided 6 giving us 7. So x = 7. Going back to our original stated facts width = x = 7 and length = twice the width or 2x = 2 (7) =14. So
width = 7 meters
legth = 14 meters

We can double check this since we know the formular for the perimeter = width + width + length + length = 7 + 7 + 14 + 14 = 42.

Will give brainliest if correct.

Answers

The answer is AB should be 2 feet not 3. :) Hopes this helps, have a good day.

It's b hope this helps

A city has 7204 recycle bins. The city gives half of the recycle bins to it's citizens. The rest of the recycle bins are divided into 23 equal groups for city parks. How many recycle bins are left over?

Answers

The number of recycle bins that the city gives to citizens:
7204 : 2= 3602
The number of recycle bins is left:
7204 - 3602= 3602
The largest number of bins that can be given in each group:
3602 : 23 = 156 (residual: 14)
=> There are 14 bins left over.

Each digit in the division example has been replaced with the same letter throughout (r stands for remainder) the digits used were 1, 2, 3, 4, 5, 7, and 9 find the numbers clue u is 5

Answers

Final answer:

This is a cryptarithm problem where every unique letter represents a unique digit. Given that 'u' equals 5, we would navigate the problem by dividing numbers out front and subtracting the exponents.

Explanation:

This question is about a form of a cryptarithm. Cryptarithms are mathematical puzzles where the digits are replaced by letters of the alphabet or other symbols. If the same letter appears more than once, it represents the same digit each time. Your question implies that each letter corresponds to a unique digit and that division is involved. Therefore, we need to figure out which numbers are represented by the remaining letters. You've already been given that 'u' represents 5. Since there isn't a complete problem provided, I can't offer a step by step guide on how to solve it. However, I can suggest to you to start the cryptarithm solution by dividing numbers out front and subtracting the exponents.

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Final answer:

The question involves substituting the given number for a letter in a division problem and then solving it. It's a step-by-step process of trial and error.

Explanation:

In this problem, you are asked to find the numbers that replace the same letter throughout a division problem. Given that 'u' is 5, you know that wherever 'u' appears in your division equation, you can replace it with 5. Solve the division problem accordingly. Do not forget, each distinct letter represents a distinct number. It is a process of trial and error until you come up with the right numbers that fit the equation and abides by the division rules.

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Describe the end behavior of the function:

y = x3 + 3x2 - 2x + 4

a)left - rises, right - falls
b)left - rises, right - rises
c)left - falls, right - falls
d)left - falls, right - rises

Answers

The equation above is a cubic, since the highest degree present is a 3. The degree is odd and the function is positive, meaning the function travels from Quadrant 3 to Quadrant 1 (looking from left to right of the graph)
See the picture I added.
Therefore, the answer must be D.
Hope this helps

A baker wants to put 3 3/4 pounds of apples in each pie sge makes. She purchased 52 1/2 pounds of apples. How many pies can she make?

Answers

52.5 / 3.75 = 14

She can make 14 pies.

divide 52 1/2 pounds by 3 3/4 pounds

52 1/2 / 3 3/4 = 14

she can make 14 pies

How do I solve a quadratic equation using the Quadratic Formula?

Answers

The quadratic formula is useful for when you cannot factor a quadratic equation into it's roots (since they are decimals or fractions).

A standard quadratic equation is in this form; ax²+bx+c=0

The quadratic function is [tex] \frac{-b+- \sqrt{b x^{2} -4ac} }{2a} [/tex]

Insert the values of a, b and c into this equation to find out the roots.

Hope I helped :)

How do you verify that a hexagon formed by A=(0,0), B=(2,1), C=(3,3), D=(2,5), E=(0,4) and F=(-1,2) is equiangular? (I already know that it is equilateral)

Answers

The solution is attached. This is the only way I could verify if it is equiangular.

Final answer:

To verify that the hexagon is equiangular, calculate the slopes and angles of all sides using the coordinates of the vertices.

Explanation:

To verify that a hexagon is equiangular, we need to show that all interior angles of the hexagon are congruent. We can calculate the angles using the coordinates of the vertices A, B, C, D, E, and F.

Calculate the slope of each side of the hexagon. For example, for side AB with points A(0,0) and B(2,1), the slope is (1-0)/(2-0) = 1/2.Use the slope to find the angle using the formula arctan(slope). For side AB, the angle is arctan(1/2) = 26.57 degrees.Repeat steps 1 and 2 for all sides of the hexagon.If all six angles are equal, then the hexagon is equiangular.

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A rectangular swimming pool with a flat bottom is 20 feet by 12 feet. How long will it take to fill the swimming pool to 5 feet if water is being pumped into the pool at 30 cubic feet per minute?
A) 8 minutes
B) 40 minutes
C) 67 minutes
D) 120 minutes

Answers

Hi,

The answer to this question is going to be

20 feet * 12 feet * 5 feet
= 20 * 12 * 5 feet ^3
= 1200 feet^3

1200 feet^3 / (30 feet^3 / minute)
= (1200 / 30) minutes
= (120 / 3) minutes
= 40 minutes

Hoped I Helped

Absolute Value equations always have 2 answers.
True
False

Answers

The answer is, "False".

what transformation has changed the parent function f(x) =log3x to its new appearance shown in the graph below

Answers

The parent function f(x) = log_3(x) has two important values that we can find.

log_3(1) asks "3^? = 1," which we know is 0. So, log_3(1) = 0, which means (1,0) is a point on the graph for the parent function.

log_3(3) asks "3^? = 3" which we know is 1. So, log_3(3) = 1, which means (3,1) is a point on the graph for the parent function.

Now, we look at the graph they gave us and we see that our two points have moved upward 2 units. Now, (1,2) and (3,3). The transformation appears to be f(x) + 2, as you have selected.

Answer:

"f(x) + 2" You were correct

Write down five number pairs that are solutions to ab = 95 ab=95. (note that you can use negative numbers and fractions.)

Answers

We want to find values for a and b that satisfy the equation
ab = 95

There is an infinite number of pairs of (a,b).

Answer:
Here are five number pairs (they are not unique).
(a,b) = (1, 95)
= (5, 19)
= (-1, -95)
= (-5, -19)
= (5/2, 38)

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How were west african prose tales significant for african-american history? Which of the following is one of the best advantages to using presentation software to create a slide show? A.You can print slide handouts for your audience B. You can use the Internet while presenting.C. You can click through the presentation easily. D. You do not have to use a computer. The junior class has $350. The juniors want to raise at least $698 by having each member of the class pay dues. There are 116 juniors.Which of the following inequalities could be used to find how much each junior would need to pay in dues?A. $350 + 116x < $698B. $350 + 116x $698C. $350 + 116x > $698D. $350 + 116x $698 What is the importance of the cell cycle for organisms? check all that apply. growth of organisms creation of new organisms repair of damaged cells reproduction of new cells? grendel and the dragon wage war for different reasons. what are these reasons? how are these different motivations related to underlying themes of the epic? Which type of exercise is best for improving flexibility?A. Stretching B. Lifting heavy weights C. Aerobic exercises D. Sprinting What two factors affect variation in egg prices? Whereas we are credibly informed, that many of our poor subjects are, through misfortunes and want of employment, reduced to great necessity, insomuch as by their labor they are not able to provide a maintenance for themselves and families; and if they had means to defray their charges of passage, and other expences, incident to new settlements, they would be glad to settle in any of our provinces in America where by cultivating the lands, at present waste and desolate, they might not only gain a comfortable subsistence for themselves and families, but also strengthen our colonies and increase the trade, navigation and wealth of these our realms." - from the Charter of Georgia, 1732Based on the passage, who is the King of England most likely addressing in the charter?A)the poor and indebted citizens of EnglandB)slaves recently imported into the New WorldC)young English men unable to find steady workD)former landowners who recently lost their property in the American Revolution What expression is equivalent to 3y - 21? A. 3(y - 21) , B. 3(3y - 21) , C. 3(3y - 7) , D. 3(y - 7) . Need help quickly! Thanks help plz thx verry much The battle of yorktown was a victory for the british a. True b. False what percentage do the elements hydrogen and helium account for in the universe? A. 100% B. 99.9% C. 98% D.99.8% Cul de estos instrumentos no pertenece a la familia de percusin? There are 6 quarters in a jar. Jill adds 2 quarters to the jar every day. Which linear equation represents the total amount of quarters in the jar after x days? A. 6y = 2x B. y = 6x + 2 C. y=16x+2 D. y = 2x + 6 Which change in an abiotic factor causes coral bleaching? a. increased salinity b. decreased salinity c. decreased turbidity d. increased temperature WILL GIVE BRAINLESS factor the polynomial Explain how the reduction in dopaminergic signaling that could precede the development of motor symptoms in pd could explain the "parkinsonian personality Japans attack on Pearl Harbor December 7, 1941, led the United States into World War II and radically changed the lives of 120,000 men, women, and children of Japanese ancestry living in the United States. The attack intensified racial prejudices and led to fear of potential sabotage and espionage by Japanese Americans among some in the government, military, news media, and public. GET 20 POINTS AND BRAINLIEST ANSWER!!!Which identifies the best inference, based on the passage?No one spoke out in defense of Japanese Americans following the Pearl Harbor attack.The American government interned all Japanese Americans following the Pearl Harbor attack.Japanese Americans helped to plan the Pearl Harbor attack.The attack on Pearl Harbor was a major contributing factor in America's decision to enter World War II. During the early 20th century which group was dedicated to providing aid to the poor in America Stella is driving in the far right lane of a multi-lane road, but she needs to make a left turn that's coming up in 50 feet. what should she do? Steam Workshop Downloader