Use the formula for the probability of the complement of an event.
A single card is drawn from a deck. What is the probability of not drawing a king?

Answers

Answer 1

Using the probability, we can find that when a single card is drawn from the deck, the probability of not drawing a king is 12/13.

Describe probability?

The ability to occur is known as probability. The occurrence of random events is the subject of this branch of mathematics. The value is expressed as a number between 0 and 1. Probability has been introduced in mathematics to predict how likely events are to occur.

Here the total number of cards in a deck is 52.

There are four jacks, four queens, and four kings in a deck of 52 cards. Twelve face cards follow.

If we choose one of the king cards here, then:

Probability of drawing a king will be:

P = 4/52

= 1/13

Now, we have to find the probability of not drawing a king, so:

Probability = 1 - 1/13

= 13-1/13

=12/13

Therefore, when a single card is drawn from the deck, the probability of not drawing a king is 12/13.

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Related Questions

An angle measures 50° more than the measure of its complementary angle. What is the measure of each angle?

Answers

The measure of the angle x is 70°, and the measure of its complementary angle is (90 - x) = (90 - 70) = 20°.

What is complementary angle?

When two angles in geometry add up to 90°, they are said to be complimentary.

Right triangles frequently include complementary angles, where one angle is a right angle (measured 90 degrees), while the other two angles are mutually exclusive.

If two angles add up to 90 degrees, they are complimentary.

If one of the angles has a measure of x, then the complementary angle's measure is (90 - x).

We are told that the angle x measures 50° more than its complementary angle, which can be written as:

x = (90 - x) + 50

Simplifying and solving for x, we have:

2x = 140

x = 70

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If the area of a rectangle is 15x²+12x and
the length is 5x+4 find the width

Answers

Answer:

width = 3x

Step-by-step explanation:

Area of a rectangle = Length × width

Length = 5x + 4

Breadth = y

15x² + 12x = 5x + 4 × y

y = 15x² + 12x

---------------

5x + 4

y = 3x

Need help asap it’s 8th grade math

Answers

Answer:

B.

Step-by-step explanation:

x + 3x + 6 = 6 + 4x

Add like terms.

4x + 6 = 6 + 4x

Transfer like terms to the same side of the equation.

4x - 4x = 6 - 6

When we add and subtract like expressions, the result will be 0 = 0.

This means, whatever value we pick in place of x, there will always be a solution therefore, the equation in option B has infinitely many solutions.

Carlos has been collecting baseball cards for the past few years. The number of total cards in his collection each year is as follows. • 50 cards the first year • 100 cards the second year • 150 cards the third year • 200 cards the fourth year
Write a function that represents the number of cards as a function of the number of years, t .

Answers

A linear function representing the number of cards as a function of the number of years, t is y = 50 + 50t.

What is a linear function?

A linear function is a mathematical or algebraic equation of a straight line in the slope-intercept form.

Linear functions are written as f(x) = mx + b, where m is the slope and b is the y-intercept of the line.

Number of Total Cards in Carlos' Collection

Year             Total Cards

Year 1              50

Year 2            100

Year 3            150

Year 4           200

Slope = Rise/Run = (100 - 50)/(2 - 1)

= 50

Initial value in the first year = 50

Let the number of years involved = t

Let the value in year t = y

Linear Equation:

y = 50 + 50t

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Polygon JKLM is drawn with vertices J(−4, −4), K(−4, −6), L(−1, −6), M (−1, −4). Determine the image coordinates of L′ if the preimage is reflected across y = −2.

L′(−3, 6)
L′(−1, 6)
L′(−1, 2)
L′(1, 2)

Answers

The image coordinates of L′ are L′(-1, 2).

What are Transformation and Reflection?

Single or multiple changes in a geometrical shape or figure are called Geometrical Transformation.

A geometrical transformation in which a geometrical figure changes his position to his mirror image about some point or line or axis is called Reflection.

To reflect the preimage of point L across the line y = -2, we need to find the distance between L and the line y = -2 and then move that same distance above the line to get the image L′.

The distance between point L and the line y = -2 is 4 units (since the y-coordinate of point L is -6 and the y-coordinate of the line y = -2 is -2).

So, to get the image L′, we move 4 units above the line y = -2 starting from the x-coordinate of L, which is -1. This gives us the coordinates (-1, 2).

Therefore, the image coordinates of L′ are L′(-1, 2).

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what is the volume of this figure?

Answers

The volume of the hexagonal prism is 374.13 cubic inches.

What is apothem of a polygon?

The distance from a regular polygon's centre to one of its sides' midpoints is known as the apothem. In other terms, it is the greatest circle whose radius fits inside the polygon. The apothem runs through the middle of the polygon and is perpendicular to the side it touches. All apothems are equivalent in a regular polygon.

For regular polygons, the apothem is a crucial quantity because it is used to determine the polygon's area. The formula: can be used to determine the area of a regular polygon.

A = apothem x perimeter x (1/2)

The volume of the hexagonal prism is given by the formula:

V = B x h

Here, B is the base area thus,

Given the base area = 41.57 sq. in and height = 9 in we have:

V = (41.57)(9) = 374.13 cubic inches.

Hence, the volume of the hexagonal prism is 374.13 cubic inches.

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Fred, a frequent business traveler, is considering signing up for a hotel rewards program.
Hotel Elegance is currently offering 881 points for signing up, plus 22 points for every night
Fred books at the hotel. Alternatively, Hotel Paradiso is offering a sign-up bonus of 851
points, plus 23 points per night. If Fred books a certain number of nights, the points he earns
with either hotel will be the same. How many points will he have? How many nights will that
be?

Answers

If Fred books a certain number of nights, If Fred books 30 nights at either hotel, he will earn 1,661 points.

What are the points?

Let's assume that Fred books "n" nights at the hotel.

For Hotel Elegance, the total number of points that Fred will earn is:

881 + 22n

For Hotel Paradiso, the total number of points that Fred will earn is:

851 + 23n

According to the problem, Fred will earn the same number of points at both hotels if:

881 + 22n = 851 + 23n

Solving for "n", we get:

n = 30

Therefore, if Fred books 30 nights at either hotel, he will earn the same number of points. To find out how many points he will earn, we can substitute "n=30" into either equation:

For Hotel Elegance:

881 + 22n = 881 + 22(30) = 1,661 points

For Hotel Paradiso:

851 + 23n = 851 + 23(30) = 1,621 points

Therefore, if Fred books 30 nights at either hotel, he will earn 1,661 points.

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What number decreased by 25% is equal to 7?

Answers

Answer:
28
Explanation:
25% is the same as a quarter, so four quarters make a whole. 7 * 4 = 28 and 28 * 0.25 = 7.

Assume the random variable X has a binomial distribution with the given probability of obtaining a success. Find the following probability, given the number of trials and
the probability of obtaining a success. Round your answer to four decimal places.
P(X ≤ 3).n = 7, p = 0.4

Answers

The probability of success for given number of trials is 0.4751.

What is probability?

Probability can be used to determine the likelihood of an event. The likelihood that an event will happen is the only useful outcome. a scale where 0 indicates impossibility and 1 indicates a specific occurrence.

We know that the probability is given by:

P = nCx * [tex]p^{x}[/tex] * [tex]q^{n-x}[/tex]

P (x ≤ 3) = P(0) + P(1) + P(2) + P(3)

Now,

⇒ P(0) = 7C0 * [tex]0.4^{0}[/tex] * [tex]0.6^{7}[/tex]

⇒ P(0) = 1 * 1 * 0.0279936

⇒ P(0) = 0.02799

Similarly,

⇒ P(1) = 7C1 * [tex]0.4^{1}[/tex] * [tex]0.6^{6}[/tex]

⇒ P(1) = 7 * 0.4 * 0.046656

⇒ P(1) = 0.13064

Similarly,

⇒ P(2) = 7C2 * [tex]0.4^{2}[/tex] * [tex]0.6^{5}[/tex]

⇒ P(2) = 21 * 0.16 * 0.07776

⇒ P(2) = 0.02613

Similarly,

⇒ P(3) = 7C3 * [tex]0.4^{3}[/tex] * [tex]0.6^{4}[/tex]

⇒ P(3) = 35 * 0.064 * 0.1296

⇒ P(3) = 0.2903

So, now we get

⇒ P (x ≤ 3) = P(0) + P(1) + P(2) + P(3)

⇒ P (x ≤ 3) = 0.02799 + 0.13064 + 0.02613 + 0.2903

⇒ P (x ≤ 3) = 0.4751

Hence, the probability of success for given number of trials is 0.4751.

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how do i put this into desmos calculator?

Answers

The height of the air plane is obtained as 10503 ft.

What is the height?

We know that we can be able able to use the principles that can apply to the right triangle so as to be able to obtain the height that the triangle has been able to attain.

We know that in working with the right triangle, we have to look out for the ratio that we can be able to use to obtain the height that the problem in this case requires that we should find and as such we have that;

Tan 35 = H/15000

H = height of the airplane

H = 15000 Tan35

H = 10503 ft

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A patient weighs 258 pounds. What is the patients weight in kilograms? Round to the nearest tenth

Answers

Answer:

Step-by-step explanation:

well 2.20 (ronded) pounds is  one kilogram so multiply 258 by 2.20 then divide by two to get 117.03

Can you please show your work

Answers

The average velocity is given by the displacement during the time thus,[3, 4]: Average Velocity = 40 m/s. [3, 3.5]: Average Velocity = 40 m/s. [3, 3.1]: Average Velocity = 40 m/s. [3,3.01]: Average Velocity = 40 m/s.

What is speed and velocity?

Unaffected by direction, speed is a scalar quantity that describes how quickly an object is travelling. The speed and direction of an object's motion are both described by its velocity, which is a vector quantity. In other terms, velocity is the rate of positional change of an object in a specific direction. Therefore, if two objects are travelling in separate directions or if one is accelerating while the other is not, they can have the same speed but distinct velocities.

The average velocity is given by the displacement during the time, thus we have:

Displacement = h(t2) - h(t1) = (40t2 - 0.8312) - (40t1 - 0.8312) = 40(t2 - t1)

Now, the average velocity between t2 - t1 is:

Average Velocity = Displacement / Duration = 40(t2 - t1) / (t2 - t1) = 40 m/s

Using the different values of t2 and t1 we see that:

[3, 4]:

Average Velocity = 40 m/s

[3, 3.5]:

Average Velocity = 40 m/s

[3, 3.1]:

Average Velocity = 40 m/s

[3,3.01]:

Average Velocity = 40 m/s

[3, 3.001]:

Average Velocity = 40 m/s

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Find the value of angle c. Give your answer
in degrees (°).
65°
127⁰°
140°
Not drawn accurately

Answers

Answer:

65° + 127° + 140° = 332°

360° - 332° = 28° (measure of missing interior angle)

28° + c = 180°, so c = 152°.

The value of angle C is 152°

What is Quadrilateral:

A quadrilateral is a four-sided polygon, which means it is a closed shape with four straight sides. The sum of the angles in a quadrilateral is always 360 degrees.

To solve the given problem, find the missing angle using the sum of angles and find the angle C with the 4th angle of the Quadrilateral.

Here we have

A quadrilateral with angles 65°, 140°, 127°

Let 'x' be the missing angle

As we know the sum of angles in a quadrilateral is 360°

=>  65° + 140° + 127° + x = 360°

=>  332° + x = 360°

=>  x = 28°  

Here ∠C + 28° = 180°   [ Sum of Linear angles ]  

=> ∠C = 180° - 28°

=> ∠C = 152°

Therefore,

The value of angle C is 152°

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find two numbers who’s product is -10

Answers

Answer:

One possible pair of numbers whose product is -10 is 2 and -5. Another possible pair of numbers whose product is -10 is -2 and 5.

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Warren is building shelves for his 3-D printed model collection. He has a piece of wood that is 4.5 feet long. After cutting five equal pieces of wood from it, he has 0.7 feet of wood left over.


Part A: Write an equation that could be used to determine the length of each of the five pieces of wood he cut. (1 point)


Part B: Explain how you know the equation from Part A is correct. (1 point)


Part C: Solve the equation from Part A. Show every step of your work. (2 points)

Answers

Part A: The equation that could be used to determine the length of each of the five pieces of wood cut by Warren is: x + 0.7 = 4.5

Part B: The equation from Part A is correct because it takes into account the total length of the wood (4.5 feet), as well as the amount of wood that is left over (0.7 feet).

Part C: the length of each of the five pieces of wood cut by Warren is 3.8 feet.

What is equation?

It is made up of two mathematical objects, with an equals sign (=) between them. Equations are used to represent relationships between unknown variables and can be solved to find their values.

Part A:

The equation that could be used to determine the length of each of the five pieces of wood cut by Warren is: x + 0.7 = 4.5, where x is the length of each piece of wood.

Part B:

The equation from Part A is correct because it takes into account the total length of the wood (4.5 feet), as well as the amount of wood that is left over (0.7 feet).

This equation can be used to calculate how much wood Warren has cut off from the original 4.5 feet of wood, which is the length of each of the five pieces of wood.

Part C:

Solving the equation from Part A:

x + 0.7 = 4.5

Subtract 0.7 from both sides:

x + 0.7 - 0.7 = 4.5 - 0.7

x = 3.8

Therefore, the length of each of the five pieces of wood cut by Warren is 3.8 feet.

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45 POINTS! Three balls are packaged in a cylindrical container. The balls just touch the

top, bottom, and sides of the cylinder. The diameter of each ball is 13 cm.

a. What is the volume of the cylinder rounded to the nearest cubed centimeter

b. What is the total volume of the three balls rounded to the nearest cubed centimeter?

c. What percent of the volume of the container is occupied by the three balls?

Answers

Answer:

a) 5177 cubic centimeters

b) 3451 cubic centimeters

c) 66.66% (67%)

Step-by-step explanation:

a) V=pi*r2*h

   V=pi*6.5^2*39

   V=5176.5593

b) V=4/3*pi*r^3

   V=4/3*pi*6.5^3

   V=1150.34651

remember we have to multiply by 3 since there are 3 balls:

   V=3451.03953

c) 3451/5177=0.66660*100=66.66%

2.
a. Describe what
the absolute
value of a
number is.
b.|-109|
c.|-7|-2=
a.
b.
109
-109
C. -9

Answers

a. The absolute value of a number is the distance of the number from zero on a number line. It is always a non-negative value, meaning that it is either zero or a positive number. It is denoted by two vertical bars surrounding the number, like |x|.

b. The absolute value of -109 is the distance of -109 from zero on a number line. Since -109 is 109 units away from zero, the absolute value of -109 is 109. Therefore, |-109| = 109.

c. First, we need to evaluate |-7|, which is the absolute value of -7. The distance of -7 from zero on a number line is 7 units, so |-7| = 7. Therefore, the expression |-7| - 2 is equivalent to 7 - 2, which is equal to 5. Therefore, |-7| - 2 = 5.

Kacie just bought a new house and needs to buy new sod for her backyard, if the dimensisons of her yard are 33.5 feet by 13.6 feet, what s the area if her yard

Answers

The area of Kacie's yard is 455.6 square feet (33.5 feet x 13.6 feet = 455.6 sq ft).

Describe fully the single transformation which takes shape A to shape B

Answers

The transformation that took place from shape A to shape B is that there was a 180° turn around at point 0,2 on the graph.

How to determine the transformation of a shape?

On the graph, the shape A is the same size as the shape B but with different angles of transformation.

For shape A,

The width at x-axis = -4,-2

length at y-axis = 1,4

For shape B;

The width at x-axis = 2,4

length at y-axis = 0,3

Therefore, transformation that took place from shape A to shape B is that there was a 180° turn around at point 0,2 on the graph.

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A student needs to decorate a box as part of a project for her history class. A model of the box is shown.

A rectangular prism with dimensions of 22 inches by 14 inches by 3 inches.

What is the surface area of the box?

416 in2
232 in2
832 in2
616 in2

Answers

After answering the query, we may state that Therefore, the surface area of the box is 832 in².

what is surface area ?

An object's surface area is a measure of how much space it takes up overall. The entire amount of space around a three-dimensional form is its surface area. The total surface area of a three-dimensional form is referred to as its surface area. By summing the areas of each face, one may get the surface area of a cuboid with six rectangular faces. Alternatively, you may identify the box's dimensions using the following formula: Surface (SA) equals 2lh, 2lw, and 2hw. A three-dimensional form's surface area is a measurement of how much space it takes up overall on the surface (a three-dimensional shape has a height, breadth, and depth).

To find the surface area of the rectangular prism, we need to find the area of each of its six faces and then add them up.

The top and bottom faces each have an area of 22 inches by 14 inches = 308 square inches.

The front and back faces each have an area of 22 inches by 3 inches = 66 square inches.

The left and right faces each have an area of 14 inches by 3 inches = 42 square inches.

2(308) + 2(66) + 2(42) = 616 + 132 + 84 = 832 square inches.

Therefore, the surface area of the box is 832 in².

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If the volume of the sphere below is 36 in3, what is the volume of a hemisphere of the same ball?

Answers

Answer:

R = 3

Step-by-step explanation:

V = 4 π r³/3 = 36

Multiply both of the sides by 3

4π · r³ =108 πcm³

Now your going to divide by 4π

r³ = 27cm³

Square off the ³

r = 3

Jim is making smoothies for his friends. If 5 ounces of fruit is needed for each​ smoothie, how many pounds of fruit would he need to make 12 ​smoothies?

Answers

Answer:

Jim would need 3.75 pounds of fruit to make 12 smoothies.

Step-by-step explanation:

Since 1 pound = 16 ounces, 12 smoothies will require:

12 x 5 = 60 ounces of fruit

To convert this to pounds, we divide by 16:

60 / 16 = 3.75 pounds of fruit

Therefore, Jim would need 3.75 pounds of fruit to make 12 smoothies.

what is the side length of the dilated square?

Answers

The side length of the dilated side would be 3 cm.

How to find the side length ?

The area of the original square is 16 cm ², so its side length is √ 16 = 4 cm.

When the square is dilated by a factor of 0. 75, its area will be reduced to ( 0. 75 ) ² times the original area , which would then be:

= ( 0.75 ) ² x 16 cm ² = 9 cm²

Therefore, the area of the scaled square is 9 cm². The area of a square equals to the size of its side duration, thus we can locate the side length of the magnified square by extracting the square root of its area:

√ 9 cm = 3 cm

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Boris's gas tank is 1/2 full. After he buys 3 gallons of gas, it is 2/3 full. How many gallons can Boris's tank hold?

Answers

Boris's gas tank can hold 18 gallons of gas.

What are gallons?

Gallons are a unit of volume commonly used to measure liquids, particularly in the United States. One gallon is equivalent to 128 fluid ounces or 3.785 liters. It is often used to measure the amount of gasoline or other fuels used in vehicles, as well as the amount of water in swimming pools or storage tanks.

Let's assume that the tank can hold "x" gallons of gas.

According to the problem, Boris's gas tank is initially half full, which means that it contains:

[tex]1/2 * x = x/2[/tex] gallons of gas

After he buys 3 gallons of gas, the tank is 2/3 full, which means it contains:

[tex]2/3 * x = 2x/3[/tex]gallons of gas

We can set up an equation based on the given information:

[tex]x/2 + 3 = 2x/3[/tex]

Multiplying both sides by 6 to eliminate the fractions:

[tex]3x + 18 = 4x[/tex]

Subtracting 3x from both sides:

[tex]18 = x[/tex]

Therefore, Boris's gas tank can hold 18 gallons of gas.

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Boris's gas tank can hold 18 gallons of gas.

What are gallons?

Gallons are a unit of volume commonly used to measure liquids, particularly in the United States. One gallon is equivalent to 128 fluid ounces or 3.785 liters. It is often used to measure the amount of gasoline or other fuels used in vehicles, as well as the amount of water in swimming pools or storage tanks.

Let's call the total capacity of Boris's gas tank "x". We know that when the tank is half full, it contains 1/2x gallons of gas. After Boris buys 3 gallons of gas, the tank is 2/3 full, which means it contains 2/3x gallons of gas. We can set up an equation to solve for x:

1/2x + 3 = 2/3x

To solve for x, we need to isolate it on one side of the equation. We can do this by first subtracting 1/2*x from both sides:

3 = 2/3x - 1/2x

To simplify the right side, we need to find a common denominator. The smallest common denominator of 2 and 3 is 6, so we can rewrite the fractions as:

3 = (4/6)*x - (3/6)*x

Now we can combine the terms on the right side:

3 = (1/6)*x

To solve for x, we can multiply both sides by 6:

x = 18

Therefore, Boris's gas tank can hold 18 gallons of gas.

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8
3
ut of
Clear my choice
Find the length of an arc of a sector, if you are given a central angle. If the central
angle is 36 °, and the radius is 12 inches what is the length of the arc.
First, draw the circle and the sector. When highlighting the arc, observe it is a fraction
of the whole circumference. The fraction of the circumference is the central angle
divided by the degrees of a circle.
central angle
degrees in a circle
Next, multiply by that fraction by the total circumference.
Round to the nearest tenth.
Select one:
a. 1.6

Answers

The length of the arc is approximately 7.5 inches.

What is circle?

A circle is a geometric shape that consists of all points in a plane that are equidistant from a fixed point called the center. It can also be defined as the set of points that are a fixed distance (called the radius) away from the center point.

I'm sorry, but the answer you provided is not correct.

To find the length of the arc, you first need to determine what fraction of the circle the sector represents. The central angle is 36 degrees, which is 36/360 or 1/10 of the full circle.

To find the length of the arc, you can then use the formula:

arc length = (central angle/360) x 2πr

where r is the radius of the circle.

Plugging in the values you provided, we get:

arc length = (36/360) x 2π(12) = 2.4π inches

Rounding to the nearest tenth gives:

arc length ≈ 7.5 inches

Therefore, the length of the arc is approximately 7.5 inches.

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ridgette brings a bag of 100 assorted candies in different flavors to her swim meet. She randomly grabs some candies out of the bag and hands them out to her teammates. The table below shows the flavors she has handed out. Flavor Number of candies lemon 6 orange 5 grape 8 cherry 13 Based on the data, estimate how many lemon candies were in the bag of 100 candies

Answers

Based on the data, the estimated number of lemon candies in the bag of 100 assorted candies is about 19.

What is proportion?

In mathematics, proportion refers to the relationship between two quantities that are equivalent or have a constant ratio. It is usually expressed as a fraction or a ratio. For example, if a recipe calls for 2 cups of flour and 1 cup of water, the proportion of flour to water is 2:1 or 2/1. Proportions are used in a variety of mathematical and real-world situations, such as solving problems involving ratios, rates, and percentages.

In the given question,

We can use a simple proportion to estimate the number of lemon candies in the bag. We know that Ridgette handed out a total of 6 lemon candies out of a total of candies. Therefore, the proportion of lemon candies in the bag is:

6/total candies = number of lemon candies/100

We can cross-multiply to solve for the number of lemon candies:

number of lemon candies = 6 x 100 / total candies

We can also use the information about the other flavors to estimate the total number of candies in the bag. The total number of candies is:

total candies = lemon + orange + grape + cherry

Using the information from the table, we can estimate the total number of candies:

total candies = 6 + 5 + 8 + 13 = 32

Therefore, the estimated number of lemon candies in the bag is:

number of lemon candies = 6 x 100 / 32 = 18.75

We can round this to the nearest whole number to estimate that there were about 19 lemon candies in the bag of 100 assorted candies.

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Payout on homeowner's insurance policy. Ivy Gordon's home in Charleston was recently gutted in a fire. Her living and dining rooms were destroyed completely, and the damaged personal property had a replacement price of $32,000. The average age of the damaged personal property was 5 years, and its useful life was estimated to be 15 years. What is the maximum amount the insurance company would pay Ivy, assuming that it reimburses losses on an actual cash-value
basis?

Answers

Therefore, if the insurance provider reimburses damages on a real cash-value basis, the most the insurer could possibly pay Cornell for the destroyed personal goods is $21,333.33.

What Does Percent Mean?

The fraction or proportion can be expressed as a percentage as a number out of 100. Latin's translation of the term "percent" is "per hundred". The part (numerical number) is divided by the total (numerical value) to determine the percentage, which is then multiplied by 100.

If Ivy's losses are covered on a true cash-value basis, her insurer would be required to pay the following maximum amount:

The depreciated worth of the destroyed personal property must be determined first. Given that the expected 15-year useful life and the average age of the product

Given that its expected usable life is 15 years and that its average age is 5 years, the amount of its usefulness that has already been used up is:

5 years / a fifteen-year period equals a third, or 33.33%

As a result, the depreciated worth of the personal property damaged is:

$32,000 x (100% - 33.33%) = $21,333.33

Therefore, if the insurance provider reimburses damages on a genuine cash-value basis, the most the insurer could possibly pay Harvard for the destroyed personal goods is $21,333.33. This is due to the insurance provider's refusal to pay Ivy the full cost of replacement of what was damaged, but only the diminished worth of it.

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The maximum amount the insurance company would pay Ivy on an actual cash-value basis is $21,338.68.

what is percentage?

Percentage is a way of expressing a number or proportion as a fraction of 100. It is represented by the symbol "%".

To determine the maximum amount the insurance company would pay Ivy on an actual cash-value basis, we need to calculate the depreciated value of the damaged personal property.

First, we can calculate the percentage of the useful life that the damaged personal property had been used up to the time of the fire:

Percentage of useful life used = (age of damaged property / useful life) x 100%

Percentage of useful life used = (5 / 15) x 100%

Percentage of useful life used = 33.33%

Next, we can calculate the depreciation percentage based on the percentage of useful life used:

Depreciation percentage = Percentage of useful life used x 1/100

Depreciation percentage = 33.33% x 1/100

Depreciation percentage = 0.3333

Finally, we can calculate the depreciated value of the damaged personal property:

Depreciated value = Replacement price x (1 - Depreciation percentage)

Depreciated value = $32,000 x (1 - 0.3333)

Depreciated value = $21,338.68

Therefore, the maximum amount the insurance company would pay Ivy on an actual cash-value basis is $21,338.68.

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An airplane over the ocean sights an island at an angle of depression of 45. At this time, the
distance from the airplane to the island is 15,000 meters. What is the height of the plane to
the nearest meter?
Type your answer...

Answers

The height of the plane above the ocean is approximately 15,000 meters to the nearest meter.

What is the angle of depression?

The angle of depression is an angle formed between a horizontal line (such as the ground, ocean surface, or any other reference plane) and a line of sight from an observer looking downward towards an object or point of interest that is located below the observer's line of sight.

According to the given information:

The angle of depression is the angle formed between the horizontal line (such as the ocean's surface) and the line of sight from an observer looking downward to an object (such as the island). In this case, the angle of depression is given as 45 degrees.

Given:

Angle of depression = 45 degrees.

Distance from airplane to island = 15,000 meters.

To find the height of the plane, we can use trigonometry. The tangent function is commonly used to relate angles of depression to the height of an object above the horizontal.

In a right triangle, the tangent of an angle is defined as the ratio of the length of the side opposite the angle to the length of the side adjacent to the angle. In this case, the side opposite the angle of depression is the height of the plane, and the side adjacent to the angle is the distance from the airplane to the island.

Using the tangent function:

tan(angle of depression) = height of plane/distance to the island

Plugging in the given values:

tan(45 degrees) = height of plane / 15,000 meters

We can now solve for the height of the plane:

height of plane = tan(45 degrees) * 15,000 meters

Using a calculator, we find:

height of plane = 15000 * tan(45 degrees) ≈ 15000 meters (rounded to the nearest meter)

So, the height of the plane above the ocean is approximately 15,000 meters to the nearest meter.

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If 0 < x < 2π, find the sum of all solutions to the equation 2cos^2(x)-7 cos(x)-4=0.
Show how to do it on a ti-84 if possible.

Answers

The sum of all solutions to the equation 2cos²(x) - 7cos(x) - 4 = 0 for 0 < x < 2π is approximately 9.425 + 2π.

What is quadratic equation?

In mathematics, a quadratic is a polynomial expression of the second degree, meaning it contains one or more terms that are squared but no terms that are cubed or higher. Quadratic functions are typically written in the form ax² + bx + c, where a, b, and c are constants and x is the variable.

To find the sum of all solutions to the equation 2cos²(x) - 7cos(x) - 4 = 0 for 0 < x < 2π, we can first use the quadratic formula to solve for cos(x):

cos(x) = [7 ± √(7² - 4(2)(-4))] / (2(2))

cos(x) = [7 ± √89] / 4

The two possible solutions for cos(x) are:

cos(x) = (7 + √89) / 4

cos(x) = (7 - √89) / 4

Note that for 0 < x < 2π, the cosine function has values between -1 and 1. Therefore, the first solution cos(x) = (7 + √89) / 4 is not valid, since it is greater than 1.

The second solution cos(x) = (7 - √89) / 4 is valid, since it is between -1 and 1. Therefore, the sum of all solutions to the equation is:

x = cos⁻¹[(7 - √89) / 4] + 2πn, where n is an integer.

We need to find the sum of all possible values of x for 0 < x < 2π. We can do this by finding the smallest and largest values of n that give valid solutions, and then summing the corresponding values of x.

The smallest value of n that gives a valid solution is n = 0, since cos⁻¹[(7 - √89) / 4] is already between 0 and 2π. The largest value of n that gives a valid solution is n = -1, since adding 2π to cos^(-1)[(7 - √89) / 4] gives a value greater than 2π.

Therefore, the sum of all solutions to the equation is:

89) / 4 - 2π]

x = cos⁻¹[(7 - √89) / 4] + cos⁻¹[(7 - √

x ≈ 6.2832 + 0.8429 + 2π

x ≈ 9.425 + 2π

The sum of all solutions to the equation 2cos²(x) - 7cos(x) - 4 = 0 for 0 < x < 2π is approximately 9.425 + 2π.

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Below is the graph of equation y=|x+2|-1. Use this graph to find all values of x such that y>0, y<0

Answers

Note that all values of y > 0 at x = (0, 1, 2, 3, 4)

How is this so?

As seen from the graph attached in answer area as well, The graph is above  x-axis (i.e. y value of equation) only when x has values {0, 1, 2, 3, 4}.

At x = 0:

y = - | 0-2| + 2
⇒ - 2+ 2

y = 0

At x = 1:

y = - | 0-1| + 2
⇒ 0+ 2

y = 1

At x = 2:

y = - | 2-2| + 2
⇒ - 1+ 2

y = 1

At x = 3:

y = - | 3-2| + 2
⇒ - 1+ 2

y = 1

At x = 4:

y = - | 4-2| + 2
⇒ - 2+ 2

y = 0

Thus,  all values of y > 0 at x = (0, 1, 2, 3, 4)

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