If a€R then multiplicative inverse of a is ?

Answers

Answer 1

Answer:

[tex]\frac{1}{a}[/tex]

Step-by-step explanation:

the product of a number and its multiplicative inverse = 1 , then

a × [tex]\frac{1}{a}[/tex] = 1

multiplicative inverse of a is then [tex]\frac{1}{a}[/tex]


Related Questions

Which outcome did the Battle of San Antonio de Béxar have?
A. Mexican troops forced the Texans to retreat.
B. Both sides withdrew from the town.
C. Texans captured San Antonio.
D. Mexican soldiers demolished the Alamo.​

Answers

Answer:

b

Step-by-step explanation:

both sides withdrew

What is the slope of 3x 5y =- 9?

Answers

3x - 5y=-9 has a [tex]\frac{-3}{5}[/tex] slope.

A line's steepness can be determined by looking at its slope. To find the slope of a line, you need to have the equation of the line in the form y = mx + b, where m is the slope and b is the y-intercept (the point at which the line crosses the y-axis).

To put the equation 3x - 5y = -9 in this form, you can start by isolating the y term on one side of the equation:

3x - 5y = -9

-5y = -3x - 9

y = (-3/5)x - (9/5)

The slope of the line is therefore -3/5.

The complete question is:-

What is the slope of 3x - 5y =- 9?

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What is the f/x function called?

Answers

The domain and scope of the identity function are the same. Equation for the identity function is  f(x) = x, or y = x.

What is function?

An statement, rule, or law in mathematics that specifies the connection between an independent variable and a dependent variable (the dependent variable). A relationship between a group of inputs and one output each is referred to as a function. In plain English, a function is an association between inputs in which each input is connected to precisely one output. Y=X2 is an illustration of this. You only receive one output for y if you enter anything for x. The fact that x is the input value leads us to argue that y is a function of x.

identity function are the same.

Equation for the identity function is

f(x) = x, or y = x.

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What does 5 more than mean?

Answers

'5 more than' means that a number is 5 units greater than the original number, using the concept of addition.

Addition (usually signified by the plus symbol +) is one of the four basic operations of arithmetic, the other three being subtraction, multiplication and division.The addition of two whole numbers results in the total amount or sum of those values combined. The example in the adjacent image shows a combination of three apples and two apples, making a total of five apples. This observation is equivalent to the mathematical expression "3 + 2 = 5" (that is, "3 plus 2 is equal to 5").

Besides counting items, addition can also be defined and executed without referring to concrete objects, using abstractions called numbers instead, such as integers, real numbers and complex numbers. Addition belongs to arithmetic, a branch of mathematics. In algebra, another area of mathematics, addition can also be performed on abstract objects such as vectors, matrices, subspaces and subgroups.

Now, let us understand the meaning.

Let the original number be x.

'5 more than a number' implies x + 5.

This means that the new number, x + 5, is greater than the original number, x, by 5 units. We also have to keep in mind, [tex]x + 5 > x[/tex].

Hence, the final meaning is 5 units greater than the original number.

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Thank you to whoever replies<33​

Answers

Answer:

between 1 and 10 percent

the graph at right shows the situation after the u.s. removes a tariff on imports of canned tuna.

Answers

The supply-demand curve after US removed tariff on imports is provided. The customer surplus is denoted by area A+B+C+D, loss in producer surplus by A and government loss in revenue by C.

When supply is equal to the demand we get the equilibrium quantity produced and equilibrium price.

The initial price P0 is less than the equilibrium price and thus there is excess demand of the product and thus there is import. When tariff is removed price again drops increasing the excess demand and thus more product is imported.

Consumer surplus is the amount the customer saves as price set by the supplier is less than the amount the consumer is ready to pay. As the customer is ready to pay at P0, the customer surplus when price drop to P1 is given by area A+B+C+D.

The loss in producer surplus is denoted by the area A. As the tariff is removed, the loss in revenue for government is denoted by the area C.

--The question is incomplete, answering to the question below--

"The graph at right shows the situation after the U.S. removes a tariff on imports of canned tuna.

Which areas show the gain in consumer surplus?

A. C

B. A+B+C+D

C. A

D. B+C+D

Which area shows the loss in producer surplus?

A. B+C+D

B. A + B

C. A

D. A+B+C+D

Which area shows the loss in government tariff revenue?

A. A

B. C

C. A+B+C+D

D. B+C+D"

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Is mean and SD the same?

Answers

Answer:

No, they are not the same

Step-by-step explanation:

Mean is simply the average sum of data. When Standard deviation is obtained from the average of the square of data

solve please solve my problems of math ​

Answers

Answer:

A = πx² cm²

Step-by-step explanation:

the area (A) of a circle is calculated as

A = πr² ( r is the radius)

Given circumference C = 2πx , and C is calculated as

C = 2πr , then equating gives

2πr = 2πx ( divide both sides by 2π )

r = x

Then

A = πr² = πx² cm²

How to solve systems of equations by substitution with 3 variables?

Answers

To solve the system of equations using substitution method for three variables minimum three equations are required using following steps:

1. Get the value third variable in form of other two and substitute in other two equations.

2. Now get the value of second variable in first variable and get the value of all three variables.

Let us consider three system of equations in three variable are :

x + y + z = 0   __(1)

2x + 3y + z = 2 __(2)

3x + 2y + 2z = 1  ____(3)

Get the value of z in form of x and y from (1) and substitute in (2) and (3)

z = -(x + y)

2x + 3y -(x + y) = 2

⇒x +2y = 2   __(4)

3x + 2y +2(-(x +y)) = 1

⇒3x + 2y -2x -2y =1

⇒x = 1

Now substitute in (4)

1 + 2y = 2

⇒ y = 1/2

Now substitute the value of x and y in (1)

z = - ( 1 + 1/2)

⇒z = -3/2

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Write an equation or expression for the following. The quotient of twelve and a number is four times the number increased by one ​

Answers

Answer: quotient deals with addition and times deal with multiplication

12/(n*4+1)

Winter Wonderland charges children $0.50 per ride down the sledding hill plus an entrance fee. Todd sled down the hill 16 times and paid $18 for his time at winter wonderland.


What is the equation in y=mx+b form?

Answers

The equation of the amount to be paid by anyone using the ride in slope intercept form is; y = 0.5x + 10

How to write an equation in slope intercept form?

The general form of the equation of a Line in slope intercept form is;

y = mx + b

where;

m is slope

b is y-intercept

Now, we are told that;

Amount charge by Winter Wonderland per child = $0.50

We are told that there is a separate entrance fee.

Amount of times todd sled down the hill = 16 times

Amount paid by todd = $18

Thus, using the slope intercept form, we have;

18 = 0.5(16) + b

18 = 8 + b

b = 10

Thus, the equation of this amount to be paid in slope intercept form is;

y = 0.5x + 10

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Mrs. Ortega paid $188 for some jeans and T-shirts. A pair of jeans cost $26, and a T-shirt was $16 cheaper than a pair of jeans. If Mr. Ortega bought 3 pairs of jeans, how many T-shirts did she buy?

Answers

Answer:

A pair jeans=26$

:. 3 pair jeans=78$

1 t-shirt=10$

No of t-shirt=188$-78$/10$=11

What is the nature of the roots of x² − 3x 4 0?

Answers

The roots of the equation are x = (3 + iÂ√7)/2 and x = (3 - iÂ√7)/2.

The equation x^2 - 3x + 4 = 0 can be factored as (x - 4)(x - 1) = 0.

Therefore, the roots of the equation are x = 4 and x = 1.

To calculate this, we can use the Quadratic Formula:

x = [-b ± Â√(b^2 - 4ac)]/2a

In this equation, a = 1, b = -3, and c = 4

x = [-(-3) ± Â√((-3)^2 - 4(1)(4))]/2(1)

x = [(3) ± Â√(9 - 16)]/2

x = (3 ± Â√(-7))/2

x = (3 ± iÂ√7)/2

Therefore, the roots of the equation are x = (3 + iÂ√7)/2 and x = (3 - iÂ√7)/2.

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Joshua has a points card for a movie theater. He receives 60 rewards points just for signing up. He earns 5.5 points for each visit to the movie theater. He needs at least 245 points for a free movie ticket. Which inequality can be used to determine vv, the minimum number of visits Joshua needs to earn his first free movie ticket?

Answers

The inequality that can be used to determine v, the minimum number of visits Joshua needs to earn his first free movie ticket is 5.5v + 60 ≥ 245

The minimum number of visits Joshua needs is approximately 34 visits.

How to write and solve inequality?

Points needed for a free movie ticket = at least 245 pointsPoints earned for signing up = 60 pointsPoints earned for each visit to the movies = 5.5 pointsNumber of visits Joshua needs to earn his first free movie ticket = v

5.5v + 60 ≥ 245

Subtract 60 from both sides

5.5v ≥ 245 - 60

5.5v ≥ 185

divide both sides by 5.5

v ≥ 185 / 5.5

v ≥ 33.63636363636363

Approximately,

v ≥ 34

Therefore, the minimum number of visits Joshua needs to earn his first free movie ticket is approximately 34 visits

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Help Please :> Its for my homework I don't understand it :p

Answers

Answer:

>

Step-by-step explanation:

81 is greater than 64

Most Algebra 1 Formulas for needed for CST

Answers

The below would be most important Algebra 1 Formulas for CST.

Linear Equation:

[tex]Ax + By + C = 0[/tex]

Equation of Straight Line or Slope:

[tex]y = mx+b[/tex]

Point-slope form:

[tex]y-y_{1} = m(x-x_1)[/tex]

Slope when 2 points are given:

[tex]m = \frac{(y_2 - y_1)}{(x_2-x_1)}[/tex]

Quadratic Equation:

[tex]Ax^2 + Bx +C = 0[/tex]

When lines are parallel:

Slope of both lines are equal. [tex]m_1 = m_2[/tex]

When lines are perpendicular:

Slope of perpendicular lines are opposite reciprocals, meaning if the slope of a line [tex]l_1[/tex] is [tex]\frac{1}{2}[/tex]. The line [tex]l_2[/tex] perpendicular to [tex]l_1[/tex] is [tex]-\frac{2}{1}[/tex].

Work Formula:

Total Work Done = Number of Days [tex]\times[/tex] Efficiency

where Efficiency is inversely proportional to Time Taken.

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now let's look at the data from all the buffalo. if we calculate the 60% confidence interval for every buffalo's count (i.e. data sample), how many cis do we expect to contain the true mean? store your answer in theoretical hits. then we need to check our theoretical answer with our actual data. calculate the 60% confidence interval for each buffalo's count. then commpute how many of those cis contain the true mean. assume that the true mean is 25,000 . store this value in sample hits. does this value match the theoretical value?

Answers

For a 60% confidence interval, the number of cis that we expect to contain the true mean is of 60% of the total amount.

What is the interpretation of a x% confidence interval?

The interpretation of a x% confidence interval it is x% likely that the population parameter(mean/proportion/standard deviation) is between a and b, which are the bounds of the confidence interval.

The bounds a and b of the confidence interval are given by the estimate plus/minus the margin of error.

The interpretation also means that out of n samples, the percentage which are expected to contain the true mean is of x, hence the percentage for this problem is of 60%, as it is the confidence level.

Missing Information

The problem is incomplete, hence only the first part could be answered.

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what’s the surface area? & B and c

Answers

Answer:

Surface area: 502 ft^2

B) Volume
C) Surface area

Step-by-step explanation:

Surface area Formula: 2(lw + wh + lh) = 2(13*15+15*2+13*2)= 502 ft^2

B) Volume because it's asking how much it can hold
C) Surface area because it's asking like how much paint should Cover the thing, not how much it can hold

Let x^{3}-5 x^{2}-17 x+21=0x
3
−5x
2
−17x+21=0​ be a polynomial equation.

a) Find all potential rational solution(s) using the Rational Root Theorem. Separate multiple solutions with commas if necessary.
Preview

b) Find all the distinct,​ actual rational solution(s). Separate multiple solutions with commas if necessary. If no solutions exist, enter \text{None}None​.

Answers

By Rational Root Theorem, all rational roots of the polynomial equationx³-5x²-17x+21 = 0x is (x−3)(x+1)(x+7).

How do you find rational solution using Rational Root Theorem?

The rational root theorem, also known as the rational root test, is an algebraic theorem that states that for a polynomial equation with integer coefficients to have a solution (root) that is a rational number, the leading coefficient (the coefficient of the greatest power) must be divisible by the fraction's denominator and the constant term (the one without a variable) must be divisible by the fraction's denominator.

It is given that,

x³-5x²-17x+21 = 0x

Factor the left side of the equation,

(x−1)(x−7)(x+3)=0

If any of the factors on the left side of the equation equals 0, the entire expression equals 0.

x−1=0

x−7=0

x+3=0

Set, x−1equal to 0 and solve for x.

x−1 equal to 0.

x−1=0

Add 1 to both sides of the equation.

x=1

Set, x−7 equal to 0 and solve for  x

Set x−7equal to 0.

x−7=0

Add 7 to both sides of the equation.

x=7

Set x+3 equal to 0and solve for x.

Set x+3 equal to 0.

x+3=0

Subtract 3 from both sides of the equation.

x= −3

The final solution is all the values that make (x−1)(x−7)(+3)=0 true.

x=1,7,−3.

Hence, By Rational Root Theorem, all rational roots of the polynomial equationx³-5x²-17x+21 = 0x is (x−3)(x+1)(x+7).

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Sienna has 534 pounds of grapes. She eats 18 pound and gives 212 pounds to her brother.

How many pounds of grapes does Sienna have left?

Answers

Answer: 304 Pound of Grapes

Step-by-step explanation:

Sienna has 534 grapes. She eats 18 pounds of grapes.

[tex]534-18[/tex]

[tex]=516[/tex]

She gives 212 pounds of grapes to her brother.

[tex]516-212[/tex]

[tex]=\fbox{304 grapes left}[/tex]

How do you know when a graph is inequality?

Answers

When plotting an inequality on a graph, treat the <, ≤, >, or ≥sign as an equals sign.

What is a graph of inequality?

Treat the <, ≤, >, or ≥ sign as a = sign when putting an inequality on a graph.

Graph the equation as a dotted line if the inequality is either < or >. 

Graph the equation as a solid line if the inequality is either ≤ or ≥.

How to Graph Linear Inequalities: Steps

(A) Always begin by separating the variable y from the inequality's left side.

(B) Symbolizing equality instead of inequality is step two.

(C) In the X, Y, XY, XY plane, graph the boundary line from step 2.

(D) The final step is to shade a portion or one side of the borderline.

Therefore, when plotting an inequality on a graph, treat the <, ≤, >, or ≥sign as an equals sign.

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What are the 3 methods used to calculate volume?

Answers

3 methods used to calculate volume are-

Volume by Space SolverCalculate Volume Using Density and MassVolume by Displacement SolverDefine the three method to find volume?Volume by Space Solver

Every physical object takes up space, and you may determine the volume of some of these by counting their individual parts. The volume of objects with straightforward shapes, such as cones, rectangular prisms, sphere, and cylinders, can be determined using this method most easily.

Calculate Volume Using Density and Mass

The definition of density is the mass of an object per unit of volume. Therefore, using the equation: If you understand the object's density and can weigh it, you can calculate its volume.

volume = weight / density

Volume by Displacement Solver

You might not be able to precisely gauge an object's physical dimensions if it has an unusual shape.

The volume that is displaced when an object is submerged in a liquid and perhaps a gas can be measured as a substitute. This approach to measuring volume is widely popular and, when used properly, very precise.

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what is the slope if all y's are 5 in a table of data

Answers

Answer: 0 slope; horizontal line

a line ray or segment that divides a segment into two congruent parts at a 90° angle

Answers

A line, line segment, or ray that divides an angle into two congruent angles is called an angle bisector.

What are supplementary angles example?

Supplementary angles are those angles that sum up to 180 degrees. For example, angle 130° and angle 50° are supplementary angles because sum of 130° and 50° is equal to 180°. Similarly, complementary angles add up to 90 degrees.

What do you mean by angle bisector?

If the angle is divided by the line and the angle is divided such that the angles are equal to each other then the line is called the angle bisector.

The word congruent means equal of the things. In this, the angles are congruent to each other which means the angles are equal to each other.

Thus, the black space is to be filled by the angle bisector.

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How do you find the inverse of x and y intercepts?

Answers

When the original graph is mirrored around the line y = x, the inverse function's graph may be determined, the domain of the inverse, f-1(x), corresponds to the range of the original function (x), the x intercept of f-1(x) is the y intercept of f, and the range of the inverse f-1(x) is the domain of f(x) (x).

What is a intercept theorem?

The intercept theorem, also referred to as Thales' theorem, the basic proportionality theorem, or the side splitter theorem, is a crucial concept in basic geometry that discusses the ratios of different line segments that are produced when two intersecting lines are intercepted by a pair of parallels.

It is equivalent to the ratios in similar triangles theorem. It is typically credited to the Greek mathematician Thales. Despite the fact that its first known demonstration may be found in Euclid's Elements, it was known to the ancient Babylonians and Egyptians.

Similarity and the intercept theorem go hand in hand. It is equivalent to the idea of similar triangles in that it may be used to demonstrate both the qualities of similar triangles and the intercept theorem.

Hence, When the original graph is mirrored around the line y = x, the inverse function's graph may be determined, the domain of the inverse, f-1(x), corresponds to the range of the original function (x), the x intercept of f-1(x) is the y intercept of f, and the range of the inverse f-1(x) is the domain of f(x) (x).

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What represents a function on a graph?

Answers

Use the vertical line test to determine whether a graph accurately represents a function. If a vertical line is moved across it and only ever touches it at one point, the graph is said to be a function. If the vertical line crosses the graph more than once, the graph is not a function.

What do we mean by a Graph of a function?

Equations that have been solved for y are graphed as functions! In this instance, the graph of f(x) is the graph of y = x² - 3.

Making points for the graph is simple.

Select a value for the first coordinate, then calculate the second coordinate by evaluating f at that value

To establish if a graph reflects a function, use the vertical line test.

The graph is a function if a vertical line drawn across it is moved and only ever touches it at one point.

The graph is not a function if the vertical line crosses it at more than one location.

Therefore, use the vertical line test to determine whether a graph accurately represents a function. If a vertical line is moved across it and only ever touches it at one point, the graph is said to be a function. If the vertical line crosses the graph more than once, the graph is not a function.

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Is reflection and rotation the same?

Answers

Reflection is the act of flipping a figure over a line. The act of rotating involves turning a figure a predetermined distance around a point. And hence, reflection and rotation is not the same.

What is reflection?

In mathematics, a reflection is an isometric mapping from a Euclidean space to itself with a set of fixed points called the hyperplane, also referred to as the axis or plane of reflection.

The image created by a reflection is the figure's mirror image in the axis or plane of reflection.

Rotation:

The concept of rotation in mathematics has its roots in geometry.

Any rotation is a movement of a certain area while maintaining at least one point. It may be used to describe, for instance, how a rigid body moves around a fixed point.

So, we can say that flipping a figure over a line is called reflection. Rotation is the process of turning a figure a specific amount around a point.

Therefore, reflection is the act of flipping a figure over a line. The act of rotating involves turning a figure a predetermined distance around a point. And hence, reflection and rotation are not the same.

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A cannonball is shot with a velocity of 90 m/s. If its vertical velocity at the top of its arc is 0 m/s and the horizontal velocity at the top of its arc is 45 m/s, at what angle was it shot?

Answers

The measure of the angle when a cannonball is shot will be 60°.

What is a vector?

The quantity which has magnitude, and direction, and follows the law of vector addition is called a vector.

A cannonball is shot with a speed of 90 m/s. Assuming its upward speed at the highest point of its curve is 0 m/s and the flat speed at the highest point of its bend is 45 m/s.

We know that in projectile motion, the horizontal velocity does not change.

Let 'x' be the angle it shot. Then the cosine of the angle x is the ratio of horizontal velocity to the resultant velocity when it is shot. Then we have

cos x = 45 / 90

cos x = 1/2

cos x = cos 60°

x = 60°

The proportion of the point when a cannonball is shot will be 60°.

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The stationary section is on isle 14, one row over from the scents and perfumes.

Answers

The correct spelling are of the following words is Caucion :caution ,Isle :aisle and Cents :sents

The scent of her perfume is the signifier, and the feminine and romantic association she makes with the scent is the signified.

In linguistics, the concepts of signifier and signified are seen in Saussure's theory of the sign. A sign is formed by the pair signifier/signified. Signifier is a word, an image, anything that has a material form. Signified is the meaning attributed to the signifier by an individual. That means the same signifier can have different signifieds according to the each person. For Mary, the signifier "floral perfume" presents as its signified the "feminine and romantic" feeling. To a different person -  myself, for instance -, a floral perfume does not have the same meaning. I do not see it as romantic or feminine. Instead, because the sweet smell gives me a headache, that has become my signified for it.

The stationary section is on isle 14, one row over from the perfumes and cents.

Hence Caucion :caution

Isle :aisle

Cents :sents

the complete question is

Correct the misspellings in these sentences.

Please use caucion when entering this area as the floor can be slippary.

The stationary section is on isle 14, one row over from the perfumes and cents.

Hence Caucion :caution

Isle :aisle

Cents :sents

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What is the standard deviation of 25?

Answers

Variance's square root is always the standard deviation. √25 thus equals 5.

Describe the term standard deviation?Both the standard deviation and the variance are indicators of how far data deviates from the mean. Because the results are all in data form or units, S.D. provides accurate results. Variance produces squared data findings, making it challenging to compare to actual data. Therefore, it makes sense to compare findings using S.D. rather than variance.

Saying that the median is 7, the mode is 2, and the variance is squared does not make much sense.

However, it makes sense to state that the data's median, mode, and standard deviation are 7, 2, and 4, respectively.

Variance produces squared findings that make it impossible to compare to actual data without. You can only understand differences from getting S.D.

Thus,

√25 = 5.

Variance's square root is always the standard deviation.

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What is the value of the following expression 20 19 5 7? if an economy is in long-run equilibrium, which of the following combinations of policy actions will necessarily result in inflation in the short run?answer choicesa. Increasing the money supply and increasing government spendingb. Increasing the discount rate and decreasing income taxesc. Increasing the required reserve ratio and increasing the discount rated. Selling government bonds on the open market and decreasing government spendinge. Buying government bonds on the open market and decreasing government spending Is there a calculator that solves algebra? A square meter of the axon membrane has a resistance of 0.2 ohms. The membrane is 7.5 x 10 m thick. What is the resistivity of the membrane? What is atherosclerosis also called? Marissa is a good tennis player whose performance seems to improve as the crowd watching her gets larger. The best explanation for this phenomenon isanswer choicesthe bystander effectmisattributionsocial facilitationa social schemathe self-serving bias What is the salary of civil judge in Pakistan? is b in {a1,a2,a3}? how many vectors are in {a1,a2,a3}? From a tax-paying investors point of view, a stock repurchase? endure all, a manufacturer of batteries claims that the lifetime of their batteries is normally distributed with a mean of 500 hr. and a standard deviation of 40 hr. what is the probability that an endure all battery selected at random will last more than 550 hours? a) exam image b) exam image c) exam image d) exam image e) exam image f) none of the above. What did Wilson promise with new freedom? What are the median of 5 7 10 12 11? What are the properties of sodium bicarbonate? Write Fibonacci sequences in Assembly language!Please help me!!! Kathy worked as a regional sales manager at PharmCo, a pharmaceutical company in Pennsylvania, for over 25 years. At the age of 51, Kathy was denied a promotion because the company decided she was too old for the next-level job position. The new position was later filled by a younger employee whom Kathy had previously supervised. Under the Age Discrimination in Employment Act (ADEA), Kathy should file a(an)disparate treatment claim against her employer.intersectional discrimination claim against her employer.disparate impact claim against her employer.retaliation claim against her employer for denying her a promotion. A hospital director is told that 54% of the emergency room visitors are insured. The director wants to test the claim that the percentage of insured patients is under the expected percentage. A sample of 120 patients found that 60 were insured. Find the value of the test statistic. Round your answer to two decimal places. After you both have bought some items you decide its time for some candy at the candy store. you decide to buy 5 and 1/2 pounds of jelly beans your friend suggests that you share your jelly beans with your other friends tomorrow. you decide to give each friend 1/4 of a pound. how many friends can you share your jelly beans with? set up an expression to find the number of friends you can share it with____. the seventh paragraph as a whole implicitly challenges which of the following ideas? responses talent is a valuable asset for aspiring writers. talent is a valuable asset for aspiring writers. talent can promote laziness in young writers. talent can promote laziness in young writers. successful writers must be very talented. successful writers must be very talented. people should take pride in their talents. people should take pride in their talents. talent is meaningless without persistence. Sandra strongly prefers to work alone and take responsibility for her projects, while also making her own decisions how she wants to accomplish tasks. Sandra tends to prefer which of one of these factors of the job characteristics model. O Task Identity O Task Significance O Task Motivation O Autonomy O Skill Variety For each diagram below, work out whether AB is a tangent to the circle, is not atangent to the circle, or if it is not possible to tell.Justify your answers.13 cm5 cm12 cm10 cm4 cm11 cm18 cm18 cm25 cmNot drawn accurately