I need to know the answer for this question. Which por portion could be used to find the value of x

Answer:

Step-by-step explanation:

The semi-annual property tax bill is $2,987 and since it is semi-annual, he pays $2,987/2 = $1,493.5 each quarter.

So, each quarter he pays $1,493.5 + $334 = $1,827.5 for property taxes and homeowner's insurance.

And, each month he pays $1,827.5/3 = $609.17 for both property taxes and homeowner's insurance.

So, the total monthly payment he pays to North End Bank is $1,328 + $609.17 = $1,937.17.

The examples that represent the importance of determining the number of bacteria in a sample are determining the quality of milk, assessing the purity of food or water , testing to see if a patient has a bladder infection.

It is necessary to count the number of organisms present in a sample of a material, such as water, food, or a bacterial culture. Bacterial pathogens, for instance, can enter food at any point, including during growth/production at the farm, processing, handling, and packaging, as well as when the food is prepared in the kitchen . While pathogenic bacteria in tiny quantities are typically not harmful, poor storage and/or cooking practices can cause these germs to grow to dangerously high concentrations .Another method bacteria can be introduced into water is by faecal contamination . Gram-negative, non-spore-forming bacteria called coliforms can ferment lactose to create acid and gas. Fecal coliforms are a subset of these bacteria that are prevalent in both human and animal intestines. Other fecal coliform bacteria are frequently utilized as indicator species since they are rarely observed thriving in nature when there is no fecal pollution. The presence of E. coli signals the presence of feces, which raises the possibility of the presence of dangerous pathogens including Salmonella species and Campylobacter species.

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The minimum height of the cone is 17.87 in (approx)

In geometry, the cylinder is a fundamental 3 dimension shape that has two parallel circular bases at a distance. The two circular bases are joined by a curved surface, at a fixed distance from the center.  

Total surface area, A = 2πr²+ 2πrh square units

The volume of the Cylinder, V = πr²h cubic units

Here we have

A cylindrical can with an open top is to be constructed so that

The volume of the cone is 167 in³  

As we know volume of cone = (1/3) πr²h

=> (1/3) πr²h = 167

=> h = 501/πr²  

As we know Surface Area of the cone = 2πrh + 2πr²  

Substitute h = 501/πr² in Surface Area of cone  

=> SA = 2πr(501)/πr² + 2πr²  

=> SA = 1002r⁻¹+ 2πr²        

Differentiate SA with respect to r

=> SA' = (-1) 1002r⁻²+ 4πr  

=> SA' = - 1002r⁻² + 4πr  

Here  - 1002r⁻² + 4πr = 0

=>  - 501r⁻² + 2πr = 0  

=>  - 501/r² + 2πr = 0  

=>  [-501 + 2πr³ ]/r² = 0

=>  [-501 + 2πr³ ] = 0  

=>  2πr³ = 501

=>  πr³ = 250.5

=>  r³ = 79.70

=>  r = 8.92  (approx)

Hence the height of the cone, h = 501/πr²    

= 501/π(8.92)

= 17.87 (approx)

Therefore,

The minimum height of the cone is 17.87 in (approx)  

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There is only one way to pick a president from 1000 number of professors, and that is to select one of the professors.

1. There are 1000 number of professors to choose from

2. The board of trustees can only pick one of the 1000 professors

3. Therefore, there is only one way to pick a president - select one of the professors.

The board of trustees can pick a president from the 1000 professors by considering their qualifications, experience, and other criteria. They can also take into account the opinion of the faculty and students of the college. If applicable, the board may also take into account any applicable legal requirements. Finally, they can make their selection by majority vote.

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Answer:

  5, 7, 9

Step-by-step explanation:

You want three consecutive positive odd integers such that the square of the smallest exceeds twice the largest by 7.

Let x represent the middle of the integers. Then x-2 is the smallest, and x+2 is the largest. The given relation is ...

  (x -2)² -2(x +2) = 7

Eliminating parentheses gives ...

  x² -4x +4 -2x -4 = 7

  x² -6x -7 = 0 . . . . . . . . . subtract 7, simplify

  (x -7)(x +1) = 0 . . . . . . . factor

Values of x that make the factors zero are solutions to this equation:

  x -7 = 0   ⇒   x = 7

  x +1 = 0   ⇒   x = -1

The positive odd numbers are 5, 7, 9.

__

Check

5² -2(9) = 25 -18 = 7 . . . . as required

The first of the three consecutive integers is 52. The next two are 53 and 54. These are three consecutive integers such that the sum of the first two is 51 more than the third integer.

Let's call the first of the three consecutive integers "x". The next two would then be "x + 1" and "x + 2".

According to the problem, the sum of the first two integers (x + (x + 1)) is 51 more than the third integer (x + 2), so we can write an equation:

x + (x + 1) = (x + 2) + 51

Expanding the left side and solving for x:

2x + 1 = x + 53

x = 52

So, the first of the three consecutive integers is 52. The next two are 53 and 54. These are three consecutive integers such that the sum of the first two is 51 more than the third integer.

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1. The value of h(1) is 24.5 m

2. The maximum height of the balloon is 39.59 m.

3. The balloon burst  after  5.5979 sec it hits the ground

Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.

It demonstrates the equality of the relationship between the expressions printed on the left and right sides. LHS = RHS is a common mathematical formula.

Coefficients, variables, operators, constants, terms, expressions, and the equal to sign are some of the components of an equation. The "=" sign and terms on both sides must always be present when writing an equation.

Given:

h(t) = –4.9t² + 27t + 2.5.

1. For t= 1 hour

h(1) = –4.9(1)² + 27(1) + 2.5.

h(1) = 24.5m

2. Vertex formula (-b/2a, h(-b/2a))

Vertex = -27/ 2(4.9) = 2.755

So, h(2.755) = 39.59 m

3.–4.9t² + 27t + 2.5. = 0

solving the above equation for t we get

t= -0.877 sec

t = 5.5979 sec

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The diagonal of a parallelogram bisects, so BE and DE are congruent, and AE is congruent with itself.

Assume that all four of it's angles at point E are 90°.

and Therefore, it is a congruence.

Triangles ABE and ADE are congruent through a side.

Therefore AB and AD are congruent.

Since opposite sides of a parallelogram are congruent, AD and BC are congruent and AB and CD are congruent.

Therefore all four sides are congruent. Therefore ABCD is a rhombus.

A parallelogram is a two-dimensional flat shape which is formed from two pairs of ribs and each of them is the same length and has two angles that are the same size in front of it.

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The statement "the two main methods used in inferential statistics is estimation and hypothesis testing." is True.

The two main methods used in inferential statistics are estimation and hypothesis testing.

Estimation involves using sample data to estimate the value of an unknown population parameter, such as the mean or standard deviation. The goal of estimation is to make inferences about a population based on a sample of data.

Hypothesis testing is a method used to make decisions about population parameters based on sample data. The goal of hypothesis testing is to determine whether a hypothesis about a population parameter is supported by the sample data, or whether there is enough evidence to reject the hypothesis.

In hypothesis testing, a null hypothesis is tested against an alternative hypothesis using a set of statistical tests and criteria. Both estimation and hypothesis testing play a crucial role in inferential statistics and are widely used in many fields, such as economics, psychology, biology, and others.

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The slope is 3/4.  It represent that for every 3 cup of brown sugar, 4 cup of butter is required

The y intercept is 0. This means that when no butter is used, no brown sugar is needed.

The equation is slope intercept form is y = (3/4)x

An equation is an expression that shows the relationship between two or more numbers and variables using mathematical operations. An equation can be linear, quadratic, cubic and so on, depending on the degree of the variable.

The slope intercept form of the linear equation is:

y = mx + b

where m is the slope and b is the initial value.

From the graph, using the point (4, 3) and (8, 6):

[tex]y-y_1=\frac{y_2-y_1}{x_2-x_1} (x-x_1)\\\\substituting:\\\\y-3=\frac{6-3}{8-4}(x-4)\\ \\y=\frac{3}{4} x[/tex]

a) The slope is 3/4.  It represent that for every 3 cup of brown sugar, 4 cup of butter is required

b) The y intercept is 0. This means that when no butter is used, no brown sugar is needed.

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Answer:

The false statement is D) All kites are rectangles.

A kite is a quadrilateral with two pairs of adjacent sides that are congruent. A rectangle is a quadrilateral with four right angles and opposite sides that are parallel and congruent. While some kites can be rectangles (when the two pairs of congruent adjacent sides are also perpendicular), not all kites are rectangles. Therefore, statement D is false. Statements A, B, and C are true.

Step-by-step explanation:

Answer:

90,217.77

Step-by-step explanation:

We can use the equation S+RS=M to figure this out where S is the initial salary before the raise, R being the rate at which the salary is increased, and M being the Salary after the raise.

By plugging it in for the first year we get

77,000+2%*77,000=M

Solving it, we get 78,540 and since there is a new salary increase 78,540 is the new starting salary

78,540+78,540*2%=80,110.8

80,110.8+80,110.8*2%=81,713.016

83,347.27632

85,014.2218464

86,714.506283328

88,448.796408995

90,217.772337175

Or rounded up

90,217.77

Answer:

D

Step-by-step explanation:

AD≅AB because they are tangent segments from the same point, A

x² + 2 = 11

x² = 9

x = √9 = 3, -3  (two solutions of [tex]\sqrt{9}[/tex])

Answer: The perfect answer is 270x

Step-by-step explanation: I don’t really know but if I’d try I will say it’s:

For A: 10 x 12 x 9 x 6 x 15 = 97200

For B: 15 x 18 x ? x ? x X= 270x

97200 divided by 270x = 360x

a) The length of the rope left after tying the parcel is 260 cm

b) The original length of the rope was 305 cm.

The unitary method is a mathematical technique used to solve problems by breaking down the given information into smaller parts and finding the unknown value by using basic arithmetic operations.

(a) To find the length of the rope left after tying the parcel, we need to subtract the length of the rope used to tie the parcel from the original length of the rope.

Let's assume that the original length of the rope is x cm.

After Ravi tied the parcel, the remaining length of the rope is x - 45 cm.

(b) To find the original length of the rope, we need to use the information that the rope was cut into 4 pieces each 65 cm long.

Let's assume that the length of the rope left after tying the parcel is y cm.

Since the rope was cut into 4 pieces each 65 cm long, we have:

y = 65 x 4

y = 260 cm

And since the length of the rope left after tying the parcel is y cm, we have:

y = x - 45

So, the original length is

260 = x - 45

x = 305 cm

Complete Question:

Ravi had a rope. He used 45cm of the rope to tie a parcel. He then cut the remaining rope equally into 4 pieces. Each piece was 65cm long. (a) Find the length of the rope left after tying the parcel. (b) How long was the rope at first?

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For the values 44. 4, 43. 8, 45. 6, 45. 9, 44. 1, 45. 6, 44. 0, 44. 9, 45. 8, the mean of the data set is 49.52. The Mean Absolute Deviation (MAD) of the data set is 4.83.

To find the mean of the given data set, we add up all the values and divide by the number of values:

Mean = (44.4 + 43.8 + 45.6 + 45.9 + 44.1 + 45.6 + 44.0 + 44.9 + 45.8) / 9 = 445.7 / 9 = 49.52

So, the mean of the data set is 49.52.

To find the Mean Absolute Deviation (MAD), we first find the absolute difference between each value and the mean, and then find the mean of these absolute differences:

Absolute Difference = |44.4 - 49.52|, |43.8 - 49.52|, ..., |45.8 - 49.52|

MAD = (Absolute Difference1 + Absolute Difference2 + ... + Absolute Difference9) / 9

Calculating the MAD gives:

MAD = (5.12 + 5.72 + 3.92 + 3.62 + 5.42 + 3.92 + 5.52 + 4.62 + 5.32) / 9 = 43.5 / 9 = 4.83

So, the Mean Absolute Deviation (MAD) of the data set is 4.83.

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No, they did not break the record. They were slower.

An element of a whole is a fraction. The number is represented mathematically as a quotient, where the numerator and denominator are split. Both are integers in a simple fraction. A fraction appears in the numerator or denominator of a complex fraction. The numerator of a proper fraction is less than the denominator.

Given:

Barbara, Donna, Cindy, and Nicole ran in a relay race.

Their times are listed in the chart.

To break the school's record,

the girls' time had to be faster than 12[tex]\frac{2}{5}[/tex] minutes.

The time should be taken in the relay race,

33/10 + 14/5 + x + 21/10 = 62/60

x = 62/60 - 82/10

x = 43/6

Now,

43/6 + 33/10 + 14/5 + 21/10

= 15[tex]\frac{22}{60}[/tex]

Hence, they were slower.

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Answer:

So the measure of angle Y is 50 degrees.

Step-by-step explanation:

By definition, complementary angles add up to 90 degrees. So we can set up the equation:

m∠S + m∠Y = 90

We also know that m∠S = 5(m∠Y) - 210. Substituting this into the first equation, we get:

5(m∠Y) - 210 + m∠Y = 90

Combining like terms, we get:

6(m∠Y) - 210 = 90

Adding 210 to both sides, we get:

6(m∠Y) = 300

Dividing both sides by 6, we get:

m∠Y = 50

So the measure of angle Y is 50 degrees.

Answer:

the second option

Step-by-step explanation:

the limit coming to x = 4 from the left (the '-' side) is -4.

the limit coming to x = 4 from the right (the '+' side) is 2.

it does not matter that the point itself is excluded. but the tendency of the function coming from the right is clear and defined.

the one-sided limit would not exist, if the function violently oscillates at the limit point.

or if the limit is infinite. then officially it does not exist, but we can write ±infinite.

for the case of the violent oscillation there is nothing else we can write but DNE.

The examination of the results of the two numerical articulations, 72 × 3 and 72 × 7, can be resolved utilizing the duplication administrator (×). 72 × 3 = 216 and 72 × 7 = 504.

While contrasting the results of these two expressions, we can see that 504 is more prominent than 216. This can be addressed as 504 > 216.

This implies that when 72 is duplicated by 7, the outcome is more prominent than when 72 is increased by 3.

This is on the grounds that 7 is a bigger number than 3, and thus, when it is increased by 72, the outcome will be bigger. All in all, the expression 72 × 7 delivers a more noteworthy worth than the expression 72 × 3.

All in all, the examination between 72 × 3 and 72 × 7 outcomes in 72 × 7 being more prominent than 72 × 3, or 504 > 216.

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The expression that will be not equal to -{-20} are -20,{-20}. The correct options are B and D.

The mathematical expression combines numerical variables and operations denoted by addition, subtraction, multiplication, and division signs.

Mathematical symbols can be used to represent numbers (constants), variables, operations, functions, brackets, punctuation, and grouping. They can also denote the logical syntax's operation order and other properties.

Given that the expression is -(-20). The not equivalent expressions are written below,

-(-20) ≠ 20

-(-20) ≠ {-20}

Therefore, expressions like -20, and -20 will not be equal to —20. B and D are the appropriate choices.

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Answer:

[tex]x = 3[/tex]

Step-by-step explanation:

Given equation is ,

3^x - 3^{x-2} = 24

we can write it as,

3^x - (3^x/3^2) = 24

take out 3^x as common,

3^x ( 1 - 1/3^2) = 24

simplify,

3^x (1 -1/9)=24

3^x (9-1/9)=24

3^x * 8/9 = 24

3^x = 24 * 9/8

3^x = 27

3^x = 3^3

on comparing,

x = 3

and we are done!

Answer:

x = 3

Step-by-step explanation:

Given equation:

[tex]3^x-3^{x-2}=24[/tex]

Rewrite the exponent of the first term as (x - 2 + 2):

[tex]3^{x-2+2}-3^{x-2}=24[/tex]

[tex]\textsf{Apply the exponent rule} \quad a^{b+c}=a^b \cdot a^c:[/tex]

[tex]3^{(x-2)+2}-3^{x-2}=24[/tex]

[tex]3^{x-2}\cdot 3^2-3^{x-2}=24[/tex]

[tex]\textsf{Factor out the common term $3^{x-2}$}:[/tex]

[tex]3^{x-2}(3^2-1)=24[/tex]

Simplify the brackets:

[tex]3^{x-2}\cdot 8=24[/tex]

Divide both sides by 8:

[tex]3^{x-2}=3[/tex]

Apply the exponent rule a = a¹ :

[tex]3^{x-2}=3^1[/tex]

[tex]\textsf{Apply the exponent rule} \quad a^{f(x)}=a^{g(x)} \implies f(x)=g(x):[/tex]

[tex]x-2=1[/tex]

Add 2 to both sides of the equation:

[tex]x=3[/tex]

The probability of a randomly selected purchase having at most three tickets is  P(X ≤ 3). Option A

Probability is defined as a branch of mathematics that involves numerical descriptions of the likelihood of the occurance of an event, or how likely the possibility of the proposition.

The probability of an event is a number that is between 0 and 1.

Given that;

From the information given, we have that;

the probability of a randomly selected purchase having at most three tickets

This means that the probability is less than or equal to and not only less than ore greater than 3

Hence, the probability is P(X ≤ 3)

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Robert W. Fogel, in his famous article, used data from one year, 1890, to make inferences about a longer time period, 1850-1890. He did so through the use of statistical methods, including regression analysis and comparative economic growth analysis.

The basic idea behind this approach is to use the data from 1890 as a snapshot of the state of the economy at that time and to use this information to make inferences about the longer time period. The assumption behind this approach is that the data from 1890 is representative of the economy over the entire period 1850-1890, and that the underlying trends and patterns that existed in 1890 were also present in the earlier period.

Fogel used a combination of economic theory, demographic data, and historical information to validate his assumptions and to support his conclusions. He also conducted extensive sensitivity analysis to ensure that his results were robust to different assumptions and data sources.

In conclusion, while using data from one year to draw conclusions about a much longer time period might seem unconventional, it was a valid approach used by Robert W. Fogel in his research and allowed him to make important contributions to our understanding of the economic history of the United States.

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The values for each of the question is given below.

Arithmetic sequence is a sequence of numbers where the numbers are arranged in a definite order such that the difference of two consecutive numbers is a constant. This constant of difference is called common difference, 'd'.

5. aₙ = 25.5 - 6.8n

a₁ = 25.5 - (6.8 * 1) = 18.7

a₂ = 25.5 - (6.8 * 2) = 11.9

a₃ = 25.5 - (6.8 * 3) = 5.1

a₄ = 25.5 - (6.8 * 4) = -1.7

a₁₀ = 25.5 - (6.8 * 10) = -42.5

6. aₙ = 25 - 10n

substituting the value of n and solving, we get,

a₁ = 15, a₂ = 5, a₃ = -5, a₄ = -15, a₅ = -25

7. aₙ = 11 + 9n

a₁ = 20, a₂ = 29, a₃ = 38, a₄ = 47, a₆ = 65

8. aₙ = 65 - 35n

a₁ = 30, a₂ = -5, a₃ = -40, a₄ = -75, a₉ = -250

The formula to find the nth terms of an arithmetic sequence is aₙ = a₁ + (n - 1)d

9. a₁ = 25, d = 100

aₙ = 25 + 100(n - 1)

a₂ = 125, a₃ = 225, a₄ = 325

10. a₁ = 5, d = 5

aₙ = 5 + 5(n - 1)

a₂ = 10, a₃ = 15, a₄ = 20

11. a₁ = 24, d = -15

aₙ = 24 - 15(n - 1)

a₂ = 9, a₃ = -6, a₄ = -21

12. a₁ = 9, d = -50

aₙ = 9 - 50(n - 1)

a₂ = -41, a₃ = -91, a₄ = -141

Hence each of the values are found.

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The end behavior of the function f(x) = 2ˣ - 5 will be increasing only.

Let a be the initial value and x be the power of the exponent function and b be the increasing factor.

The exponent is given as

y = a(b)ˣ

The function is given below.

f(x) = 2ˣ - 5

We know that the function is an exponential function. And the exponential function is always inceasing.

Thus, the end behavior of the function f(x) = 2ˣ - 5 will be increasing only.

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Answer: The equation to find the time when the ball is 4 feet above the ground is:

-16t^2 + 10 = 4

We can solve for t by subtracting 4 from both sides:

-16t^2 + 6 = 0

And then dividing both sides by -16:

t^2 = -6 / -16

t^2 = 3/8

Taking the square root of both sides:

t = ±√(3/8)

Since time cannot be negative, we choose the positive solution:

t = √(3/8)

So the ball will be 4 feet above the ground after √(3/8) seconds.

Step-by-step explanation:

The difference between the two diameters in meters for the red blood cells and the coarse grain of sand would be = 0.0000625meter

The diameter of red blood cell = 7.5 micrometers.

The diameter of coarse grain of sand = 70 micrometers.

The difference between the two = 70-7.5 = 62.5 micrometers.

To convert to micrometers to meters divide by 1000000;

That is 1 meter = 1000,000 micrometers

X meter = 62.5 micrometers

make X meters the subject of formula;

X = 62.5/1000000

X= 0.0000625 meter

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Answer:

Step-by-step explanation:

12, 28, 44, 60

1, 3, 5, 7, 11

9, 25, 49, 81

4, 8, 15, 16, 20

Answer:

1. 12 , 24 , 36 , 48 , 60

2. 1, 3, 5, 7, 9

3. 9, 27, 45, 63, 81

4. 1, 2, 15, 16, 20

Step-by-step explanation:

1. The rule is +12, or add 12.

2. The rule is +2, or add 2.

3. The rule is +18, or add 18.

4. The rule is +1, +13, +1, +4, or add 1, add 13, add 1, add 4.