Let A and B be finite sets. Suppose that A has cardinality 6 and B has cardinality 9. What is the cardinality of each of the following sets? (a) AxB (b) The power set P(A)

y = tan(x) - (π/2 + πn)

This equation represents a tangent function with a domain of all real numbers, except for multiples of pi/2 plus pi.

The equation y = tan(x) - (π/2 + πn) represents a tangent function with a domain of all real numbers except for multiples of pi/2 plus pi. This equation is useful for finding the tangent value of any given x-value, as long as it is not equal to a multiple of pi/2 plus pi. The equation works by subtracting the multiple of pi/2 plus pi from the x-value, and then finding the tangent of the new value. This allows the tangent of the x-value to be found, regardless of whether or not it is equal to a multiple of pi/2 plus pi.

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Length of the diagonal of the rectangular prism is 14.69694. Here is the solution below

Given that the information:

Length of the rectangular prism - 10

Width of the rectangular prism - 4

Height of the rectangular prism - 10

Length of the diagonal of the rectangular prism -

Diagonal (d) = √l²+w²+h²= √10²+4²+10² =  14.69694

A rectangular prism is a three-dimensional shape, that has six faces (two at the top and bottom and four are lateral faces). All the faces of the prism are rectangular in shape. Hence, there are three pairs of identical faces here. Due to its shape, a rectangular prism is also called a cuboid.

The correct answer of this question is 14.69

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The peak to peak value of a sine wave is twice the peak value. Therefore, total number of the peak to peak value of this waveform is 2 x 80 VAC = 160 VAC.

The peak to peak value of a sine wave is an important measure of the waveform's amplitude. It is calculated by multiplying the peak value of the waveform by two. The peak value of this particular waveform is 80 VAC, so the peak to peak value of the waveform is 2 x 80 VAC = 160 VAC. This peak to peak value is a measure of the total number voltage swing of the waveform, from its lowest point to its highest point. The peak to peak value of this waveform is a useful parameter for understanding the waveform's strength and potential for causing electrical damage. As such, it is important to measure and understand the peak to peak value of any sine wave in order to successfully manage its power and potential for causing harm.

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Answer:

1. x = 20

2. m<ABK = 137

Step-by-step explanation:

1.

(3x - 5) + (4x + 2) + (2x + 3) = 180

9x  = 180

x = 20

2.

3x - 5 + 4x + 2

7x - 3

7(20) - 3

140 - 3

m<ABK = 137

Using the cosine ratio, the measure of angle A, to the nearest hundredth is: 75.52°.

The cosine ratio, also known simply as the cosine, is a trigonometric function that represents the ratio of the adjacent side to the hypotenuse of a right triangle.

It is defined as cos(θ) = adjacent side/hypotenuse, where θ is the angle between the adjacent side and the hypotenuse.

Reference angle (∅) = A

Length of adjacent side = 2

Length of hypotenuse = 8

Therefore:

cos A = adj./hyp. = 2/8

cos A = 1/4

A = cos^(-1)(1/4)

A = 75.52°

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Answer:

Below

Step-by-step explanation:

5 out of 8 are NOT blue     5/8=.625

The relationship the ratios of sin x° and cos y° share is The ratios are both identical (five thirteenths and five thirteenths). Option B

Trigonometric Identities are defined as the qualities involving trigonometry functions and also holds true for all the values of the variables given in the equation.

The different types of trigonometric identities are given as;

From the information given, we have that

sin = opposite/hypotenuse

cos = adjacent/hypotenuse

But;

Hypotenuse= 13

Opposite = 5

Adjacent = 12

Substitute the value

sin x = 5/13

cos y = 5/13

Hence, the values are identical

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Answer:

B!

Step-by-step explanation:

took the testt

On a principal of $100,000.00 with compound interest accrued at a rate of 7% per year compounded continuously over 4 years, the total sum is $132,312.98.

The interest earned on savings that are computed using both the original principal and the interest accrued over time is known as compound interest. A = P(1 + r/n)^nt, where P is the principal balance, r is the interest rate, n is the number of times interest is compounded annually, and t is the number of years, which is the formula for compound interest.

Given,  You have an inheritance of $100,000 from your grandparents, you must invest the money in a mutual fund until you are 21 years old, which will pay an annual interest rate of r% compounded continuously.

From the general formula of compound interest:

A = Pe^rt,

where P is the principal balance,

r is the interest rate,

n is the number of times interest is compounded annually,

t is the number of years

In our case,

P = 100,000

t = 21 - 17 = 4

n = 12 for compounded continuously

thus,

A = 100,000(2.71828)^r4

For the value of r = 7

A = 100,000.00(2.71828)^(0.07)(4)

A = $132,312.98

Therefore, The total amount accrued, principal plus interest, with compound interest on a principal of $100,000.00 at a rate of 7% per year compounded continuously over 4 years is $132,312.98.

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Elimination.... my biggest enemy

Welp let's dive in.

Elimination is sort of like subtraction BUT it's subtraction of equations.

In Elimination we want to make sure that we are looking for a common/ opposite coefficient.

If we see 5x and 5x stacked on each other, GREAT! or maybe -5x and 5x stacked on each other.

Why am I happy? Welll that just made the whole process easier. You see, if you see those stacked on top of each other, that means free elimation. You can just cancel them out because it becomes zero.

then we solve the problem same old same old.

P.S: If it's opposites coefficients we add the equations if it's the same we subract.

In your elimination, we have the same coefficients.

(yay)

so we can minus ad and ad

6c with 5c and 111 with 103

c=8

so we pick an equation and sustitute every c with 8

6*8+ad=111

48+ad=111

ad=63

questiojns? feel free to ask

B and C

Right pyramid has 8, Right triangular prism has 9

Answer:

1). 3a^4c^3 or D

2). -1/25 or C

3). -z/y^7 or D

4). 3 or A

5). -4^-4 or A

Step-by-step explanation:

I took the quick check already so enjoy your 100% :)

An exponential function would better approximate the data described about the volume of a gas.

The relationship between the volume of a gas and its temperature is described by the Ideal Gas Law, which states that the volume of a gas is proportional to its temperature raised to the power of the ratio of specific heat to the universal gas constant. Therefore, as the temperature of a gas increases, its volume will increase exponentially.

The data given in the problem, with the volume increasing as the temperature increases, supports the use of an exponential function to model the relationship between temperature and volume. On the other hand, a linear function, which models a constant rate of change, would not accurately capture the exponential increase in volume as the temperature increases.

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You and your friend are approximately 181.23 meters apart at that point in time.

To find the distance between you and your friend, we can use the Pythagorean theorem. Let's call the distance between you two "d".

d² = 250² + 195² - 2 X 250 X 195 X cos(18)

d = √(250² + 195² - 2 X 250 × 195 X cos(18))

d ≈ 181.23 m

So you and your friend are approximately 181.23 meters apart.

The answer was determined using the Pythagorean theorem, which states that in a right triangle, the sum of the squares of the lengths of the two smaller sides equals the square of the length of the largest side (the hypotenuse).

In this case, the two smaller sides represent the distances covered by you and your friend, and the hypotenuse represents the distance between you both.

We can use the theorem to calculate the distance "d" between you and your friend by rearranging the equation to isolate "d". We know the lengths of the two smaller sides (250 m and 195 m), and we also know the angle between them (18 degrees).

We can use the cosine formula to find the cosine of 18 degrees, and plug in all the values into the equation to find "d".

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The size of the input is doubled, the time taken to execute the loop will also double.

The time complexity of this pseudocode is O(n). This can be determined by analyzing the number of times the loop is executed. The loop is entered once and is then executed n times, where n is the number of times the loop is executed. This can be expressed mathematically as T(n) = 1 + n. Since the loop is executed a constant number of times, regardless of the size of the input, the time complexity of the pseudocode is O(n). This means that the execution time of the loop grows linearly with the size of the input. Thus, if the size of the input is doubled, the time taken to execute the loop will also double.

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Answer:

79.4cm

Step-by-step explanation:

1cm = 10mm so 794mm / 10mm = 79.4cm

The probability of selecting a spade and then selecting a heart is 0.0625, and the correct answer is option A.

Probability is a way to gauge how likely something is to happen. Many things are difficult to forecast with absolute confidence. Using it, we can only make predictions about the likelihood of an event happening, or how likely it is. Probability can range from 0 to 1, with 0 denoting an impossibility and 1 denoting a certainty.

Given that the cards are selected with replacement.

The probability of selecting a spade card is:

P(S) =13/52

Now, a heart card is selected.

Since, the previous card is replaced in the deck the total number of cards is 52.

The probability of selecting a heart card is:

P(H) = 13/ 52

The probability of selecting a spade and then selecting a heart is:

P = 13 / 52 × 13/52

P = 0.0625

Hence, the probability of selecting a spade and then selecting a heart is 0.0625, and the correct answer is option A.

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Answer: The inverse of the function k(x)=x²-3 is k^(-1)(x)=±√(x+3). The domain restrictions for the inverse are x≥-3, since the square root is only defined for non-negative values.

The inverse of a function is the reflection of the original function over the line y=x. To find the inverse of k(x)=x²-3, we first swap the x and y variables: y=x²-3. Then, we solve for x: x=±√(y+3). This gives us the inverse function k^(-1)(x)=±√(x+3).

However, it is important to note that the square root function is only defined for non-negative values. Therefore, we must restrict the domain of the inverse function to x≥-3. This means that the inverse function can only be applied to input values that are greater than or equal to -3. For values less than -3, the inverse function is undefined.

Step-by-step explanation:

Answer:

Inverse function: [tex]\pm \sqrt{x + 3}[/tex]

Domain: [tex]x \ge -3[/tex]

Step-by-step explanation:

[tex]k(x) = x^2-3[/tex]

To find the inverse, set y = k(x)

==> y = x² - 3

Swap x and y

x = y² - 3

Add 3 to both sides
x + 3 = y²

y² = x + 3

[tex]y = \pm \sqrt{x + 3}[/tex]

or, in other words:

[tex]y = \sqrt{x +3} \:\;and\; y = -\sqrt{x + 3}[/tex] are the two solutions

Replace Swap x and y again to get the inverse as a function of x
[tex]k^{-1}(x) = \sqrt{x+3},\:-\sqrt{x+3}[/tex]

Since square roots of negative numbers are not defined, the term under the square root must be ≥ 0

x + 3 ≥ 0

==> x ≥ -3

There is no restriction on the upper bound it can go upto infinity

Domain of [tex]\sqrt{x + 3} : \:x\ge \:-3[/tex]

The choice that  is equivalent to the product given is 2√10

What are surds ?

Surds in mathematics are the square root values that can't be further condensed into whole numbers or integers. Numbers with surds are illogical.

Surds are the square roots of numbers ( √) that are not able to be divided into whole or rational numbers. It cannot be precisely described by a fraction. A surd, then, is a root of a whole number with an irrational value.

√8 •√5

= √(8*5) = √40

= √(10*4)

= √4  * √10

= 2√10

The choice that  is equivalent to the product given is 2√10

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The number of zeros of the polynomial p(x) is 3.

A polynomial is a mathematical expression that solely uses the addition, subtraction, and multiplication operations to combine variables (commonly called coefficients) and variables (often called x). The variables are raised to non-zero, and the coefficients can be any real value.

The number of x-intercepts, or the places where the graph crosses the x-axis, is equal to the number of polynomial roots, also known as zeros.

We can see from the above graph that the polynomial p(x) has three x-intercepts, which indicates that it has three roots or zeros. Consequently, the polynomial p(x) has three zeros.

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Complete question -

54.10Answer:

Step-by-step explanation:

Answer:

1:3:5

Step-by-step explanation:

[tex]\frac{7}{7}=1\\\\\frac{21}{7}=3\\ \\\frac{35}{7}=5[/tex]

1:3:5

Answer

Y=-2x+1

-2 is the slope, and 1 is the y intercept

Answer:

Step-by-step explanation:

2

BECUASE YEA

Answer:

Step-by-step explanation:

h(x) = -x + 1

h(x) = 0

0 = -x + 1

-1 = -x

x = 1

The numerical length of PQ is 20

A line segment in geometry is a section of a line that has two clearly defined endpoints and contains every point on the line that lies within its confines.

Given that the line segments are: -

OQ=11  O P = 9

The numerical value of PQ will be calculated as below.

OP+OQ=PQ

11+9=PQ=11+9=PQ

Therefore PQ=20=PQ

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the probability of rolling an odd number or rolling a 2 is 2/3

The probability of rolling an even number or a 4 is 2/3

Probability is a mathematical concept that measures the likelihood or chance of an event occurring. It is expressed as a number between 0 and 1, where 0 means an event is impossible and 1 means an event is certain to occur. The probability of an event can also be expressed as a percentage or as a fraction.

If you roll a six-sided die. The probability of rolling 1, 2, 3, 4, 5 and 6 are as follows:

P (1) = 1/6

P (2) = 1/6

P (3) = 1/6

P (4) = 1/6

P (5) = 1/6

P (6) = 1/6

a. Since there are three odd numbers, P(odd) = 3/6 = 1/2

Thus, the probability of rolling an odd number or rolling a 2 will be:

P(odd or 2) = P(odd) + P(2)

                  = 1/2 + 1/6 = 2/3

b. Since there are three even numbers, P(even) = 3/6 = 1/2

Thus, the probability of rolling an even number or a 4 will be:

P(even or 4) = P(even) + P(4)

                  = 1/2 + 1/6 = 2/3

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The number of cupcakes that the customer can buy as inequality will be 3.5C + 2 < 44.

When two expressions are connected by a sign like "not equal to," "greater than," or "less than," it is said to be inequitable. The inequality shows the greater than and less than relationship between variables and the numbers.

Given that Rebecca sells cupcakes for $3.50 each and charges customers an automatic $2 charge for a cupcake box as well. A customer walks in with $44 dollars.

The inequality can be written as:-

3.5C + 2 < 44.

Where C is the number of cupcakes and $2 is the charge for the box. Which should be lesser than the total amount.

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The inequality equation is x ≤ 8 , where x is the number of cupcakes

Inequalities are the mathematical expressions in which both sides are not equal. In inequality, unlike in equations, we compare two values. The equal sign in between is replaced by less than (or less than or equal to), greater than (or greater than or equal to), or not equal to sign.

In an inequality, the two expressions are not necessarily equal which is indicated by the symbols: >, <, ≤ or ≥.

Given data ,

Let the number of cupcakes be represented as A

Now , the equation will be

The cost of each cupcake = $ 3.50

The cost per box of cupcake = $ 2.00

So , the total cost of x cupcakes = x ( 3.50 + 2.00 )

The total cost of x cupcakes = 5.50x

Now , The amount of money with Rebecca = $ 44

So , the maximum number of cupcakes she can buy is

total cost of x cupcakes < amount of money with Rebecca

Substituting the values in the equation , we get

5.50 x ≤ 44

Divide by 5.50 on both sides of the equation , we get

x ≤ 44/5.50

x ≤ 8 cupcakes

Hence , the inequality equation is x ≤ 8

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The student will need to save approximately 488.33 dollars per month in order to pay off the remaining cost at the end of 12 months.

First, let's calculate the amount that the student's grandparent will pay: 19,700 / 2 = 9,850

Next, let's subtract the amount of the athletic scholarship: 19,700 - 9,850 - 5,000 = 5,850

Finally, to find the minimum amount that the student will need to save every month, we can divide the remaining cost by the number of months (12): 5,850 / 12 = 488.33

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James and Sandra drank the most soda from their cup.

The information that was given gave specific amount that each person drank from their soda, but James and Sandra were not given a specific amount, so one can only assume they drank the most since their own percentage of drink is not disclose.

Percentage is a way to express a number as a fraction of 100. It's often denoted using the symbol "%". For example, 50% means 50 per 100, or one half

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The probability of having n-1 failures before the first success in a Geometric distribution, given a specific probability p.

The formula (1-p)n-1 represents the probability of having n-1 failures (or successes, depending on which outcome the probability p is associated with) in a Geometric distribution. For example, if p=0.3, then the formula (1-p)n-1 would represent the probability of having two failures before the first success. This would be equal to (1-0.3)2-1, or 0.49. This means that there is a 49% chance of having two failures before the first success in this example. In general, this formula can be used to calculate the probability of having n-1 failures before the first success in a Geometric distribution, given a specific probability p.

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Complete question:

What does (1-p)n-1 represent in a geometric distribution?