What is the result when the number 28 is decreased by 2.6%?

Answer:

Step-by-step explanation:

Part one is when you need to do area/perimiter.

DO

We can actually think that insurance companies offer uninsured/ underinsured coverage at a cheaper rate than collision coverage because the risk of a claim is typically lower for uninsured/underinsured coverage.

An agreement to provide compensation to another party in the event of a certain loss, damage, or injury is known as insurance, and it is a way to safeguard against financial loss. It is a type of risk management that is mostly applied to protect against the risk of a potential or unforeseen loss.

Collision coverage is for damage to the policyholder's own vehicle, while uninsured/underinsured coverage is for damage caused by another driver who does not have enough insurance to cover the costs of an accident. Since fewer drivers are uninsured or underinsured, the likelihood of a claim being made under that coverage is lower, and thus the cost is less.

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Option (b) is the correct option i.e. The height is 5 units.

The height of an object is determined by measuring the distance between its base and its top.

As opposed to length, width, and height for a rectangular shape's area, the basic formula for volume is length, breadth, and height. The calculation is unaffected by how the different dimensions are referred to; for example, "depth" can be used in place of "height."

Given, V = πr².H

          V/πr² = H

So, It can be written in terms of height, H as V/πr².

Now, If r = 3 units and V= 45π then,

H =   V/πr² = 45π / π(3)²

                = 45π/9π

                = 5 units.

Hence, height is 5 units.

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The value of k for which the equation has imaginary roots is k > ±2.

For a quadratic equation of the form k²x²-8x+4 to have a real double root, the discriminant (b²-4ac) must be equal to zero. For this equation, the discriminant is (-8)² - 4 * k² * 4 = 64 - 16k².

For the discriminant to be equal to zero, 64 - 16k² = 0 and k² = 4. Therefore, the value of k for which the equation has a real double root is k = ±2.

For a quadratic equation of the form k²x²-8x+4 to have two different double roots, the discriminant (b²-4ac) must be greater than zero. For this equation, the discriminant is (-8)² - 4 * k² * 4 = 64 - 16k².

For the discriminant to be greater than zero, 64 - 16k² > 0 and k² < 4. Therefore, the value of k for which the equation has two different double roots is k < ±2.

For a quadratic equation of the form k²x²-8x+4 to have imaginary roots, the discriminant (b²-4ac) must be less than zero. For this equation, the discriminant is (-8)² - 4 * k^2 * 4 = 64 - 16k².

For the discriminant to be less than zero, 64 - 16k² < 0 and k² > 4. Therefore, the value of k for which the equation has imaginary roots is k > ±2.

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The quotient of the expression is 8 × 10² and option C is the correct answer.

The way of representing huge numbers in terms of powers is known as an exponent. Exponent, then, is the number of times a number has been multiplied by itself.

Adding exponents while maintaining the same base is the rule for multiplying like bases.

Exponents should be multiplied while bases are kept constant when bases are raised by a power of two or more.

Division Rule: When dividing like bases, maintain the base constant and deduct the exponent of the denominator from the exponent of the numerator.

Rewrite as fraction:

[tex]\frac{(5.04) (10^{12})}{(6.3)(10^9)}[/tex]

Simplify using exponent rule with same base [tex]\frac{a^n}{a^m} = a^{(n-m)}[/tex]:

[tex]\frac{(5.04) (10^{12-9})}{(6.3)}[/tex]

Calculate the sum or difference:

[tex]\frac{(5.04) (10^{3})}{(6.3)}[/tex]

Convert fraction into decimal: 0. 8 × 10³ = 8 × 10².

Hence, the quotient of the expression is 8 × 10² and option C is the correct answer.

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The Federal Reserve uses three main tools to conduct monetary policy: Open Market Operations, the Discount Rate, and Interest on Reserves (IOR).

Open Market Operations involve the buying and selling of government securities in the open market, which impacts the money supply and interest rates. The Discount Rate is the interest rate the Federal Reserve charges commercial banks to borrow from it. A lower Discount Rate encourages borrowing, while a higher Discount Rate discourages borrowing. Interest on Reserves (IOR) is the interest rate the Federal Reserve pays commercial banks on their excess reserves. A higher IOR rate encourages banks to keep more of their funds in the form of reserves, while a lower IOR rate encourages banks to lend out more of their funds. The Required Reserve Ratio is also used to affect the money supply, as it determines the amount of reserves banks must keep on hand. An increase in the Required Reserve Ratio reduces the money supply, while a decrease in the Required Reserve Ratio increases the money supply.

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The expression can be rewritten as -

y = (1/27)x - (8/27)

Given is the expression as -

x = 8 + 27y

We can rewrite the expression as -

x = 8 + 27y

27y = x - 8

y = (1/27)x - (8/27)

Therefore, the expression can be rewritten as -

y = (1/27)x - (8/27)

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Answer:

The perimeter of the square is 32x + 20 inches, and the perimeter of the rectangle is (4x - 5) + (4x - 5) + (12x + 15) + (12x + 15) = 32x + 20 inches.

So, to find the value of x that makes the perimeters the same, we set 32x + 20 = 32x + 20 and solve for x.

x = 0

Step-by-step explanation:

The meaning of a zero in this situation shows that there was a time the player was in a steady position or without movement.

A data set is defined as the number of variables that makes up the data of an event, research or an experiment.

The data sets that was given are {+3, -1, -2, +1} which represent the number of moves that was made by a player.

But when a zero is included in that data set, this means that the player didn't make a move at the particular point in time.

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From the given expressions of prime numbers, the following are never a prime number:

Option b.  p²+ 24  

Option c. p²+ 26

Prime number is represented by 'p'

The expressions which can never be a prime number is given by :

Let us consider value of p = 1

a. p²+ 16

⇒1² + 16

⇒17 a prime number

b.  p²+ 24

⇒1² + 24

⇒25 is not a prime number.

c.  p²+ 26

⇒1² + 26

⇒27 is not a prime number.

d.  p²+ 46

⇒1² + 46

⇒47 a prime number.

e.  p²+ 96

⇒1² + 96

⇒97 a prime number.

Therefore, the expression represented by option b. p²+ 24 and option c. p²+ 26 can never be a prime number.

The above question is incomplete , the complete question is :

Which of the following expressions is never a prime number when p is a prime number?

a. p²+ 16           b. p²+ 24               c. p²+ 26         d. p²+ 46        e. p²+ 96

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Answer:606.02371

Step-by-step explanation:

The numerical representation of "six hundred six and two thousand, three hundred seventy-one ten-thousandths" is 606.02371.

Out of the following, the statement is It generates testable hypotheses, is supported by a large body of evidence, and is broad in scope is  true of a scientific theory.

A scientific theory is a well-substantiated explanation of some aspect of the natural world that is acquired through the scientific method and repeatedly tested and confirmed through observation and experimentation. A scientific theory is not just an idea or speculation. It is a systematic way of organizing and interpreting observations that are based on facts and evidence. It is also open to being tested and disproved if new evidence arises.

A scientific theory must be supported by a large body of evidence from multiple sources to be considered valid. Furthermore, a scientific theory must be broad in scope and explain a wide range of phenomena. It must also generate testable hypotheses that can be tested and verified through experimentation and observation.

A scientific theory is not accepted until it is thoroughly tested and confirmed through numerous experiments and observations. Therefore, it is not accepted after the person who formulated it has died.

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Answer:

200mph

Step-by-step explanation:

Answer: The elimination method is a method for solving a system of equations by eliminating one of the variables. One way to do this is to multiply one equation by a constant and then add or subtract it from the other equation to cancel out one of the variables.

We will start by multiplying the first equation by 3:

2x + 6y = 2 ----> 6x + 18y = 6

Now we will subtract the second equation from the modified first equation:

6x + 18y = 6

(2x + 2y = 2)

4x + 16y = 4

Now we can solve for one of the variables, we will solve for x:

4x = 4

x = 1

Now that we know x = 1, we can substitute this back into one of the original equations, for example the first one:

2x + 6y = 2

2(1) + 6y = 2

6y = 0

y = 0

So the solution to the system of equations is x = 1 and y = 0

Therefore, the solution is (1,0)

Step-by-step explanation:

The correct option regarding the growth rate of the exponential function is given as follows:

For each x increase of 1, the y increases by a common factor of 3.

A function is classified as exponential if when the input variable is changed by one, the output variable is multiplied by a constant.

A function is classified as linear if when the input variable is changed by one, the output variable is increased/decreased by a constant.

As the function in this problem is exponential, the increase of the output y must be a common factor, purely.

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The graph of f(x) = 3x is a vertical stretch with a factor of 3 of the graph of the parent function f(x) = x.

The parent function for this problem is defined as follows:

f(x) = x.

The transformed function is given as follows:

f(x) = 3x.

The only transformation is a multiplication by the constant 3. As the constant has an absolute value greater than 1, the graph of f(x) = 3x is a vertical stretch with a factor of 3 of the graph of the parent function f(x) = x.

The problem asks for how the graph of f(x) = 3x compares to the graph of f(x) = x.

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The probability that a student studied for exactly 1 hour is 0.23

Probability is a measure of the likelihood of a particular event occurring. It is a number between 0 and 1, with 0 indicating that an event is impossible and 1 indicating that an event is certain.

From the given table, you need notice that the number of students who study for 1 hour is 8.

In order to determine the probability that a student studied for exactly 1 hour, we need to find total number of students. That is:

Total number of student = 1 + 8 + 2 + 5 + 9 + 7 + 3 = 35

probability (exactly 1 hour) =  number of exactly 1 hour/Total number

probability (exactly 1 hour) = 8/35 = 0.23

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Answer:

B

Step-by-step explanation:

The coordinates of the ends of the image are J'(x, y) = (- 7, 7), K'(x, y) = (- 5, 2) and L'(x, y) = (- 2, 3), whose transformation formula is P'(x, y) = P(x, y) + (0, - 2 · p). A representation of the figures is in the image shown below.

In this problem we find a geometric locus generated by three points on Cartesian plane that is reflected over the x-axis, whose formula is shown below:

P'(x, y) = P(x, y) + (0, - 2 · p)

Where:

If we know that J(x, y) = (- 7, - 7), K(x, y) = (- 5, - 2) and L(x, y) = (- 2, - 3), then the coordinates of the image are:

J'(x, y) = (- 7, - 7) + (0, 14)

J'(x, y) = (- 7, 7)

K'(x, y) = (- 5, - 2) + (0, 4)

K'(x, y) = (- 5, 2)

L'(x, y) = (- 2, - 3) + (0, 6)

L'(x, y) = (- 2, 3)

Now we proceed to graph both the geometric locus and its image.

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Answer: Yes

Step-by-step explanation:

First You need to find a common denominator between 5/8 and 3/5 so you can add them together.

The earliest common denominator between 8 and 5 is 40.

So you have to Multiply the numerator by whatever it takes the denomintor to reach 40.

So for 8 to reach 40 you have to multiply 8 by 5 so you must also multiple the numerator by 5 giving you 25 so your fraction becomes 25/40.

If you do the same for the other fraction you end with 24/40.

so 25/40 + 24/40 = 49/40 which is greater than 1

As per the given limit, the rigorous assertion of the function is a − δ < x < a + δ

In math term function is called as  a relation between a set of inputs and a set of permissible outputs with the property that each input is related to exactly one output

Here we have given that the distance between two points a and b on a number line is given by  |a−b|.

And we need to find the rigorous assertion of the function.

Then the statement is written as

=> |f(x)−L|<ε

And it can be be interpreted as the distance between f(x) and L is less than ε.

Here we have another statement that is written as  

=> 0<|x−a|<δ

And it ma be interpreted as the value of x≠a and the distance between x and a is less than δ.

Here we have also important to look at the following equivalences for absolute value that the statement  |f(x)−L|<ε  is equivalent to the  statement  L−ε<f(x)<L+ε.

And the statement  0<|x−a|<δ is also equivalent to the statement  a−δ<x<a+δ here we know that x≠a.

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Answer:

To find the average growth on Alexandra's total investment, we need to calculate the weighted average of the growth in each of the three investments. The weighted average is calculated by multiplying the growth of each investment by its proportion of the total investment and then adding them together.

First, we need to calculate the total amount of money that Alexandra invested. Since he invested 40% in mutual funds, 40% in real estate, and 20% in stocks, we can assume he invested $100.

So the amount invested in mutual funds is 40/100 * $100 = $40

The amount invested in real estate is 40/100 * $100 = $40

The amount invested in stocks is 20/100 * $100 = $20

Then we can calculate the growth of each investment using the percentages provided:

The growth of mutual funds is 2/100 * $40 = $0.80

The growth of real estate is 7/100 * $40 = $2.80

The growth of stocks is 11/100 * $20 = $2.20

Now we can add up the growth of each investment and divide it by the total investment to find the average growth:

($0.80 + $2.80 + $2.20) / $100 = $5.80 / $100 = 0.058 or 5.8%

So the average growth on Alexandra's total investment is 5.8%.

Answer:

area of sector = 49π/6 cm² ≈ 25.7 cm²

Step-by-step explanation:

area of sector = (n/360°)πr²

where n = central angle of sector, and r = radius of circle

Here, we have:

n = 60°

r = d/2 = 14 cm / 2 = 7 cm

area of sector = (60°/360°)π(7 cm)²

area of sector = (1/6)π(49 cm²)

area of sector = 49π/6 cm² ≈ 25.7 cm²

In a case whereby longer leg of a right triangle is 3cm longer than the shorter leg and hypotenuse is 6cm longer than the shorter leg then the side lengths of the triangle is  9 inches.

The concept that will be used is pythagoras theorem.

We can make s = the length of the shorter leg.

Where the longer leg  can be expressedas  (s + 3),

Then the hypotenuse is( s + 6).

From pythagoras theorem,  a^2 + b^2 = c^2.  

then we have s^2 + (s + 3)^2 = (s + 6)^2

[s^2 + (s + 3)(s + 3)] =[ (s + 6)(s + 6) ]

s^2 + s^2 + 6s + 9 = s^2 + 12s + 36

If we collect like terms we have

s^2 - 6s - 27 = 0

Then if we factorize we have

(x - 9)(x + 3) = 0

then

we can set the whole left side to equal 0.

x - 9 = 0, then  x = 9

x + 3 = 0, then  x = -3.  

But we can only have positive value which sis 9, hence shortest side is 9 inches.

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Answer:

1.625 mL

Step-by-step explanation:

2.5 mg per lb

For 130 lb, 130 × 2.5 mg = 325 mg are needed.

1 mL has 200 mg

1 mL is to 200 mg as x ml is to 325 mg

1/200 = x/325

200x = 325

x = 1.625

Answer 1.625 mL

a) The graph of the piece-wise function is given by the image presented at the end of the answer.

b) The x-intercepts of the function are given as follows: x = -4, x = 0 and x = 19.

c) The graph of g(x) is positive on these following intervals: (-4,0) and (4,19).

A piece-wise function is a function that has different definitions, depending on the input of the function.

The definitions for the function in this problem are given as follows:

The features of the function are given as follows:

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When you know the tower's height, you may calculate your distance from it.The answer is 92.54 feet .

When you know the tower's height, you may calculate your distance from it.The tangent of the angle of elevation multiplied by the horizontal distance, or doing the calculation, is all that is required to manually determine the height.

30° vertical angle from A to the tower's summit

50 + x is the horizontal separation between A and the tower's base.

Call h to get the tower's height.

tan 30 = h / (50 + x) => 50 + x = h / tan 30 => x = h / tan 30 - 50 (1)

40° vertical angle from B to the tower's summit

The tower's base is x feet away from B in a horizontal direction.

ratio: x = h / tan40; tan40 = h / tan40 (2)

Consequently, (1) and (2) are equivalent.

Tan40 = Tan30 - 50 =

30 - 40 = 50 h/tan

1,7321h - 1,1918h = 50

0.5403h = 50

h = 50/0.5403 = 92.54

Response: 92.54 feet

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