4. What is the measure of angle x*?
O 90°
O 180⁰
O 30°
O 60°

The best option to find a reasonable estimate for the amount of time it takes to run the obstacle course among 200 contestants is to option D: Time 20 contestants and average their times.

A reasonable estimate is an approximation that is based on logical reasoning and information available, and it is within a reasonable margin of error. It is not expected to be precise, but it is expected to provide a fair idea of the value being estimated.

For example, estimating the cost of a renovation project within 5% of the actual cost would be considered a reasonable estimate.

By timing only one contestant, the time might not be representative of the entire group since individual performances can vary significantly. Timing the race official himself also won't give an accurate estimate since the official might not be a typical contestant in terms of speed and agility.

On the other hand, timing 2 contestants and averaging their times might not provide a big enough sample size to get a good estimate.By timing 20 contestants, there is a higher chance that the sample size will be representative of the entire group, and the average time will provide a more accurate estimate of the typical performance on the obstacle course.

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If to help pay for culinary school, Keiko borrowed money from her credit union:

a. Keiko's monthly payment is  $542.63.

b. The  total amount to repay the loan is $65,115.60

c. The total amount of interest she will pay is $15,115.60

(a) To find Keiko's monthly payment, we can use the formula for calculating the monthly payment for an amortized loan:

P = (r * A) / (1 - (1 + r)^(-n))

Where:

P =Monthly payment

A=  loan amount

r = Monthly interest rate

n = Total number of payment

Plugging in the values for Keiko's loan, we get:

P = $50,000

r = 0.055 / 12 = 0.00458

n = 10 * 12 = 120

P = (0.055/12 * $50,000) / (1 - (1 + 0.055/12)^(-120)) = $542.63

(b) If Keiko pays the monthly payment each month for the full term, the total amount she will repay the loan will be:

Total amount = Monthly payment * Total number of payments

= $542.63* 120 = $65,115.60

(c) If Keiko pays the monthly payment each month for the full term, the total amount of interest she will pay will be:

Total interest = Total amount - Loan amount

=$65,115.60 - $50,000 = $15,115.60

So, Keiko will pay a total of $15,115.60 in interest over the 10-year term of the loan.

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a. The x-intercepts are 1/4 and 4. b. The vertex of the graph of f(x) is (1.875, 56), and it represents a maximum point on the graph.

The object's form is symmetrical because of the axis of symmetry, which is a straight line. On each of its sides, the axis of symmetry produces a perfect reflection. It could be lateral, vertical, or horizontal. The two sides of an object are the same if we fold and unfold it along the axis of symmetry. Various forms have various symmetry lines. There are four lines of symmetry in a square, two lines in a rectangle, infinite lines in a circle, and no lines of symmetry in a parallelogram. There are n axes of symmetry in a regular polygon with n sides.

We know that,

To find the x-intercepts, we set f(x) equal to 0 and solve for x:

-16x² + 60x + 16 = 0

4x² - 15x - 4 = 0

4x² - 16x + x - 4 = 0

4x (x - 4) - 1(x - 4) = 0

(4x - 1) (x - 4) = 0

x = 1/4

x = 4

The x-intercepts are 1/4 and 4.

The vertex of the graph of f(x) can be found using the formula x = -b/2a

x = -60 / (2(-16)) = 1.875

To establish whether the vertex is a maximum or minimum, we examine the shape of the coefficient of the x square term, which is negative (-16). This signifies that the graph expands down and the vertex is a maximum.

Hence, the vertex of the graph of f(x) is (1.875, 56), and it represents a maximum point on the graph.

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The side x of the similar triangle is 12.7 units.

The triangles are similar triangle.

Two triangles are said to be similar when they have two corresponding angles congruent and the sides proportional.

Therefore, using the proportion

37- 5 / x = x / 5

Evaluate the difference of 37 and 5

32 / x = x / 5

Cross multiply the equation

x × x = 32 × 5

So, we have

x² = 160

Take the square root of both sides

x = √160

Evaluate the square roots

x = 12.6491106407

Hence, the value of x is x = 12.7 units (when approximated)

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Answer:

-8

Step-by-step explanation:

4x - 9 + 3x = 8x - 1

7x - 9 = 8x - 1

7x = 8x + 8

x = -8

Therefore, the solution to the equation 4x - (9 - 3x) = 8x - 1 is x = -8.

Given:-

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Solution:-

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[tex] \: [/tex]

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[tex] \: [/tex]

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[tex] \: [/tex]

━━━━━━━━━━━━━━━━━━━━━━━

hope it helps! :)

Step-by-step explanation:

Using the formula for simple interest:

Simple Interest = P * r * t

where P is the principal, r is the rate of interest, and t is the time in years.

Substituting the given values:

Simple Interest = $370 * 0.02 * 2 = $14.80

Therefore, the simple interest owed for the use of the money is $14.80.

The future value of a 10-year investment of $1200 at an APR of 7% compounded monthly is $2366.84

what is compound interest ?

Compound interest is the interest earned on an initial deposit or investment, plus all the interest that has accumulated on it over time. It is interest calculated on both the principal amount and any interest earned from previous periods, which is added to the principal amount at the end of each compounding period.
[tex]FV = P * (1 + r/n)^{n*t}[/tex]

Where:

FV = Future Value

P = Principal or initial investment

r = Annual interest rate

n = Number of times interest is compounded per year

t = Time in years

According to the question:
In this case:

P = $1200

r = 7% = 0.07

n = 12 (compounded monthly)

t = 10

Plugging these values into the formula, we get:

[tex]FV = P * (1 + r/n)^{n*t}[/tex]

[tex]FV = 1200 * (1 + 0.07/12)^{12*10}[/tex]

[tex]FV = 1200 * (1.00583333)^{120}[/tex]

[tex]FV = 1200 * 1.97236812[/tex]

[tex]FV = 2366.84[/tex]

Therefore, the future value of a 10-year investment of $1200 at an APR of 7% compounded monthly is $2366.84 (rounded to the nearest cent).

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Answer:

Answer D is correct

Step-by-step explanation:

Answer:

40?

Step-by-step explanation:

Answer:

To find the average amount won each day by the champions, we need to divide the total amount won by the number of days:

Average amount won each day = Total amount won / Number of days

Total amount won = $694,563

Number of days = 22

Average amount won each day = $694,563 / 22 = $31,611.95 (rounded to the nearest cent)

Therefore, the average amount won each day by the champions on Jeopardy in September was approximately $31,611.95.

Step-by-step explanation:

Answer:

1.1

Step-by-step explanation:

-3+1.9 =-1.1

-3+1.1=-1.9

Answer:

-3 + 1.1 = -1.9

Step-by-step explanation:

Let us assume that,

→ Missing number = m

Now we have to,

→ Find the required value of m.

Forming the equation,

→ -3 + m = -1.9

Then the value of m will be,

→ -3 + m = -1.9

→ m - 3 = -1.9

→ m = -1.9 + 3

→ [ m = 1.1 ]

Hence, the value of m is 1.1.

Answer:

35$ - 17% gives you 29.05$

while 32$ - 12% gives you 28.16$

so 35$ - 17% would be your answer

Answer:

B

Step-by-step explanation:

The answer is 21 because the pattern is multiplying by 3!

Answer: :)

n

_

8

I used n as the unknown number

Step-by-step explanation:

The quotient is the result of division between two numbers.

The quotient of a number (I used n) and 8 would be n 8

Answer:

the answer is A

hope it helps u

mark brainlist

Answer: D

As x Values-Decrease, the function increases toward positive infinity.

As the x values decreases, the function decreases towards y=-2

Step-by-step explanation:

It's a basic function that follows within the 2^x format. Where x-> infinity would mean that y-> infinity as well. However, since there was a translation within the y unit (hence the -2) the asymptote decreased by two.

So as the x unit increases, so does the y.

However, as the x unit decreases, the y decreases to -2.

Answer:

Step-by-step explanation:

sorry I don’t know

The number of problems assigned initially to each student by Lin’s teacher is 4.

Equations are mathematical statements that have two algebraic expressions on either side of equals (=) sign. The phrases written on the left and right sides are equal, as shown by this example.

Equations can be resolved in order to ascertain the value of a variable that represents an unknowable quantity. In the absence of the "equal to" symbol, a statement is not an equation. That will be taken into consideration as a phrase.

Lin’s teacher assigned each of them the same number of problems to complete.

Total number of problems assigned by Lin's teacher  to students = 30

Let the  total number of problems assigned  to each student initially  be x

So, the number of problems assigned   to  all the  students  initially = 5x

Also it is given that  Lin's teacher assigns 2 more problems to each student

which means he gives 10 more problems to solve

5x+10 = 30

5x = 20

x = 4

Hence, The number of problems assigned initially to each student by Lin’s teacher is 4.

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Answer:

Translation

Step-by-step explanation:

Translation

Answer:

t ≤ -3

Step-by-step explanation:

4t + 5 ≤ -7

4t ≤ -12

t ≤ -3

The value of function f(x) at x =1 will be 4.

A relationship between a group of inputs and one output is referred to as a function. In plain English, a function is an association between inputs in which each input is connected to precisely one output. A domain, codomain, or range exists for every function. Typically, f(x), where x is the input, is used to represent a function.

Given a function f(x) = -3x + 7

To calculate the value of the function at x = 1,

We need to substitute the value of x = 1 in the function,

thus,

f(1) = -3 * 1 + 7

f(1) = -3+ 7

f(1) = 4

This represents the point (1, 4) on function f(x) = -3x +7.

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The graph's function g(x) has a single x-intercept, a y intercept, a vertical asymptote, an oblique asymptote, and both.

Asymptotes are points along a line that a curve approaches but never touches. The term "asymptote" refers to the point at which a function's graph converges. Asymptotes are often not necessary when graphing functions.

There are three distinct asymptotes.

Asymptote horizontal (HA) - Given that it is horizontal, its equation has the form y = k. The horizontal asymptote is the point at which the function f(x) tends to zero.

As it is a vertical line, the vertical asymptote's equation has the form x = k. When the denominator of a rational function approaches towards 0, vertical asymptotes are defined.

The equation for the slanting asymptote (also known as the oblique asymptote) is y = mx + b since the line is inclined.

given the information,

Let's write the function as g. (x)

The value of g (x) is right now.

g (x) = ( -4x² + 36) / (x + 3)

We gain by simple.

g (x) = -4x² - 4×9) / (x + 3)

We gain more after additional simplification.

g (x) = -4 (x + 3) (x - 3) / (x + 3)

g (x) = -4x + 12

There is now a vertical asymptote for the function at (0, 12)

There is a horizontal asymptote for the function at (3, 0)

The function is so resolved.

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The complete question is:

G(x)=-4x^2+36/x+3

What key features does f(x), shown in the graph, share

with g(x), shown in the equation? Select three options.

at least one x-intercept

at least one y-intercept

Dan oblique asymptote

O a vertical asymptote

the domain of x

Answer:

Step-by-step explanation:

The population in thousands of a town in the year 2007 is 16.56 thousand.

In an exponential function, the base value controls how quickly the function increases or decreases. The function expands exponentially if the base value is more than 1, whereas it degrades exponentially if the base value is between 0 and 1. Faster growth or decay is indicated by a bigger base value.

Given that,

y = 8.5(1.1)ˣ

The value of x is calculated as:

x = 2007 - 2000 = 7 years.

Substitute the value of x in the given function:

y = 8.5(1.1)⁷

y = 16.56

Hence, the population in thousands of a town in the year 2007 is 16.56 thousand.

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In answering the question above, the solution is The answer is s 4 = 632 expressions as a result.

In mathematics, you can multiply, divide, add, or take away. The following is how an expression is put together: Numeric value, expression, and math operator The elements of a mathematical expression include numbers, parameters, and functions. It is feasible to use contrasting words and expressions. Any mathematical statement containing variables, numbers, and a mathematical action between them is known as an expression, often known as an algebraic expression. As an example, the expression 4m + 5 is composed of the expressions 4m and 5, as well as the variable m from the above equation, which are all separated by the mathematical symbol +.

Let's start by condensing the expression included within the summation:

[tex]2(3^n - 1) = 2*3^n - 2[/tex]

We may now enter the following expression in the original equation:

[tex]s_4[/tex] = 4 * ∑[tex](k=1[/tex]to [tex]4) 2(3^k - 1)[/tex]

[tex]s_4 = 4 * [2(3^1 - 1) + 2(3^2 - 1) + 2(3^3 - 1) + 2(3^4 - 1)]\\s_4 = 4 * [2(3^1 + 3^2 + 3^3 + 3^4) - 8]\\s_4 = 4 * [2(3^1 + 3^2 + 3^3 + 3^4) - 2^3]\\s_4 = 4 * [2(80) - 8]\\s_4 = 632[/tex]

The answer is s 4 = 632 as a result.

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Accordingly, if Britta only paid the interest during her two years of education, she would accrue about $33,782 in interest over the course of her loan.

The sum of money that a borrower must give a lender as interest is compensation for the use of borrowed funds. It is typically computed as a percentage of the principal, which is the amount borrowed, and is repaid alongside the principal over a predetermined amount of time. The cost of the lender, the likelihood of a default, and the desire for credit in the economy are just a few of the variables that affect the interest rate, or the percentage charged for borrowing the money.

given

We can use the following method to determine the total interest paid:

Principal x Interest Rate x Duration equals total interest.

where Principal denotes the sum borrowed, Interest Rate denotes the annual interest rate (in decimal form), and Time denotes the number of years over which interest will accrue.

Assume Britta took out a $50,000 loan to pay for her schooling.

Therefore, the amount of her loan at the conclusion of that time frame would be:

$50,000 x 1.06^2 = $56,420

The interest that will be charged on this balance for the remaining 10 years and 6 months of the loan period needs to be calculated now. Using the above method, we obtain:

$56,420 multiplied by 0.06 times 10.5 equals the total interest, or $33,782.

Accordingly, if Britta only paid the interest during her two years of education, she would accrue about $33,782 in interest over the course of her loan.

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The amount of time it would take the water to cool to 150°F is: C. About 8 min.

In this scenario, the time would be plotted on the x-axis of the scatter plot while the temperature would be plotted on the y-axis of the scatter plot.

On the Excel worksheet, you should right click on any data point on the scatter plot, select format trend line, and then tick the box to display an equation for the line of best fit (trend line) on the scatter plot.

From the scatter plot (see attachment) which models the relationship between the time and temperature, an exponential equation for the line of best fit is given by:

[tex]y = 192e^{-0.028x}[/tex]

When temperature y = 150°F, the value of x (in minutes) can be calculated as follows:

[tex]150 = 192e^{-0.028x}[/tex]

ln(150/192) = -0.028x

x = -0.24686007793/0.028

x = 8 mins.

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The correct statements are 7. 3 ∈ B, 9. B ⊂ A, 12. C ⊂ U

13. A ⋃ B  = {1, 2, 3, 4, 5, }   14. A ⋃ C  = { 1, 2, 3, 4, 5, 6}

15. A ⋂ C  = { 4 }                   16. B ⋂ C = { }

17. [tex]A^{c}[/tex]  =  {6, 7, 8, 9, 10}         18. [tex]B^{c}[/tex] = {0, 2, 4, 6, 7, 8, 9, 10}  

In mathematics, a set is a collection of distinct objects, which are called its elements or members. These objects can be anything - numbers, letters, people, animals, or other sets.

Sets are typically denoted using curly braces, and the elements of the set are listed inside the braces, separated by commas.

Here we have

A = {1, 2, 3, 4, 5} B = {1, 3, 5} C = {4, 6}  and U = {numbers from 0 to 10}

=> U = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 }

i. Indicate if each statement is true or false.

7. 3 ∈ B which means 3 belongs to set B

Since, set B = {1, 3, 5}

=> ∴ 3 ∈ B is true

8. 5 ∈ C which means 5 belongs to set C

The set C = {4, 6}

=> 5 ∈ C is false

9. B ⊂ A which means B is a subset of A and elements of B are belongs to set A.  

Since elements of B are lies in set A

=> B ⊂ A is true

10. C ⊂ A which means C is a subset of A

Since all the elements of C are not lie in set A

=> C ⊂ A is false

11. C ⊂ B which means C is a subset of B

Since all the elements of C are not lie in set B

=> C ⊂ B is false

12. C ⊂ U which means C is a subset of U

Since all the elements of C are lies in U

=> C ⊂ U is true  

13. A ⋃ B = {1, 2, 3, 4, 5} ∪ {1, 3, 5} = {1, 2, 3, 4, 5, }  

14. A ⋃ C = {1, 2, 3, 4, 5} ∪ {4, 6} = { 1, 2, 3, 4, 5, 6}

15. A ⋂ C  = {1, 2, 3, 4, 5} ⋂ {4, 6} = { 4 }

16. B ⋂ C =  {1, 3, 5} ⋂ {4, 6} = { }

17. [tex]A^{c}[/tex]  = The elements in the universal set but not in A = {6, 7, 8, 9, 10}

18. [tex]B^{c}[/tex] = The elements in universal set but not in B = {0, 2, 4, 6, 7, 8, 9, 10}  

Therefore,

The correct statements are 7. 3 ∈ B, 9. B ⊂ A, 12. C ⊂ U

13. A ⋃ B  = {1, 2, 3, 4, 5, }   14. A ⋃ C  = { 1, 2, 3, 4, 5, 6}

15. A ⋂ C  = { 4 }                   16. B ⋂ C = { }

17. [tex]A^{c}[/tex]  =  {6, 7, 8, 9, 10}         18. [tex]B^{c}[/tex] = {0, 2, 4, 6, 7, 8, 9, 10}  

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The given expression is already written in function notation.

Function notation is a way of representing a mathematical relationship between two variables, where one variable (usually denoted as x) is the input and the other variable (usually denoted as y) is the output. In this case, y is a function of x, which means that the value of y depends on the value of x.

To write the linear equation y = 2x + 5 in function notation, we replace y with f(x) to get:

f(x) = 2x + 5

This means that f(x) is a function of x, where the output f(x) is equal to 2 times the input x plus 5. The variable f(x) represents the value of y for a given value of x.

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Answer:B

Step-by-step explanation:

Answer: D : 7cm

Step-by-step explanation:

The area of the triangle is 3 cm^2.

Area is the measure of the amount of space inside a two-dimensional shape, such as a square, rectangle, triangle, or circle. It is usually measured in square units, such as square centimeters, square inches, or square meters.

Two-dimensional shapes are flat shapes that exist in only two dimensions - length and width. They are also known as 2D shapes. Some common examples of two-dimensional shapes include:

In the given question,

To find the area of a triangle, we need the length of two sides and the angle between them. We are given that the length of two sides of the triangle are 3 cm and 4 cm, and the angle between them is 30°.

We can use the formula for the area of a triangle, which is:

Area = (1/2) x base x height

We can take the side of length 3 cm as the base of the triangle, and the side of length 4 cm as the height, as it forms a right angle with the base. To find the height, we can use trigonometry.

sin(30°) = opposite/hypotenuse

sin(30°) = height/4

height = 4 x sin(30°)

height = 2 cm

Now, we can substitute the values in the formula for the area of the triangle:

Area = (1/2) x base x height

Area = (1/2) x 3 x 2

Area = 3 cm^2

Therefore, the area of the triangle is 3 cm^2.

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