Points A and B are on opposite sides of the Grand Canyon. Point C is 200 yards from A. Angle B
measures 87° and angle C measures 67º. What is the distance between A and B? Round answer to
nearest tenth.

Answer:

  C, E, F

Step-by-step explanation:

You want to know which points match the ceiling function among ...

The ceiling function is also known as the least integer function. It returns the smallest integer greater than or equal to its argument value. It is essentially a "round to next higher" function, with any integer input remaining unchanged.

The attachment shows the input and output of the ceiling function for the values on the answer choice list. C, E, F are points on the function's graph.

Answer: 7

Step-by-step explanation:

To solve this equation, we first need to use the order of operations to simplify the expression on the left-hand side of the equation. The order of operations tells us that we should perform the operations within parentheses first, followed by any exponents, then multiplication and division (from left to right), and finally addition and subtraction (from left to right).

In this case, we have a set of parentheses with the term 5(x-1) inside. This means we need to calculate the value of 5(x-1) first. We can do this by multiplying 5 and (x-1), which gives us 5x-5.

Next, we need to add 4 to 5x-5 to get the final expression on the left-hand side of the equation. This gives us 4+5x-5, which simplifies to 5x-1.

Now we have the equation 5x-1=34. To solve this equation for the value of x, we need to isolate the x term on one side of the equation by moving all the other terms to the other side. We can do this by adding 1 to both sides of the equation, which gives us 5x = 35.

Finally, we can divide both sides of the equation by 5 to find the value of x. This gives us x = 35/5 = 7. Therefore, the value of x that makes the equation true is 7.

Answer:7

Step-by-step explanation:

4+5(x-1)=34

Distribute: 4+5(x - 1) = 34

                   4+5x - 5=34

Subtract the numbers:  4 + 5x - 5=34

                                        -1 + 5x =34

Rearrange terms:    -1 + 5x =34

                                    5x - 1 = 34

Solution: x=7

Hope this helps!!

If American children watch an average of 25 hours of television per week with a standard deviation of 8 hours. the probability the mean number of hours of television they watch per week is less than 22 is: 2) 0.0089.

First step is to find the standard deviation

σ = 8/√40

σ = 1.2649

Using this formula to find the Z-score

Z = x - μ/σ

Z =22-25/1.2649

Z = -3//1.2649

Z = -2.37

Hence,

P-value=P(Z < -2.37)  

P-value =0.0089

Therefore the correct option is 2.

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The domain is the set of all values in the set (- ∞, ∞).

Function : In mathematics, a function from a set X to a set Y assigns to each element of X exactly one element of Y. The set X is called the domain of the function and the set Y is called the codomain of the function

Expression : A mathematical expression is made up of terms (constants and variables) separated by mathematical operators

Equation : A mathematical equation is used to equate two expressions.

Given is a quadratic function as follows -

ax² + bx + c

For any quadratic equation (with vertex at origin), the value of [y] or the range is either the set of all positive values from 0 to infinity when the quadratic function open upwards and  the set of all negative values from 0 to -infinity when the quadratic function open downwards. The domain is the set of all values in the set (- ∞, ∞).

Therefore, the domain is the set of all values in the set (- ∞, ∞).

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{Question in english language is as follows -

How the domain of the quadratic function is determined.}

In an adjacency list representation, corresponding to each vertex v is a linked list such that each node of the linked list contains the vertex u, and there is an edge from v to u.

This is a common way to represent a graph in computer memory, where each vertex is represented by an object that stores its adjacent vertices in a list. This representation is useful when the graph is sparse, meaning it has relatively few edges compared to the number of vertices it has. It is not as efficient for dense graphs, where the number of edges is close to the maximum possible number of edges.

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The number of different frames you can create, if There are 4 different styles, each available in 5 different colors, there are 3 different shades of blue to choose from, is 12.

A combination is a choice of items from a group of different items, where the order of the choices is irrelevant.

Given:

There are 4 different styles, each available in 5 different colors, there are 3 different shades of blue to choose from,

Calculate the total number of frames, we can create as shown below,

The number of frames = different styles available for blue color × shades of blue

The number of frames = 4 × 3

The number of frames = 12

Thus, the number of frames you can create is 12.

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A freshman has a 0.35 chance of being chosen. A freshman has a 0.38 chance of being chosen. The likelihood of a freshman being chosen is 0.23.

A probability is a number that represents the possibility or chance that a specific event will occur. Probabilities can be stated as proportions ranging from 0 to 1, as well as percentages ranging from 0% to 100%. It is predicated on the likelihood of something occurring. The rationale underlying probability is the foundation of theoretical probability. If a coin is tossed, the theoretical probability of receiving a head is 12.

Here,

.................. Math .. Art . Biology Total

Freshman . 0.10 . 0.08 . 0.17 .... 0.35

Sophomore 0.22 . 0.30 . 0.13 ... 0.65

Total ......... 0.32 . 0.38 . 0.30 ...... 1

(a) 0.35

(b) 0.38

(c) 0.10 + 0.13 = 0.23

The probability that a freshman is selected is 0.35. The probability that a freshman is selected is 0.38. The probability that a freshman is selected is 0.23.

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Answer:

Step-by-step explanation:

given:

-15x + 20y =15

0 = 18x + 24y -18

let's get the 2nd equation into a form like the top equation

-18x -24y = -18

multipy thur by -1

18x +24y = 18

we'll need to  use substitution for this problem.  elimination has a zero issue.

18x = -24y +18

x = -[tex]\frac{4}{3}[/tex] y + 1

now plug this into the 1st equation

-15(  -[tex]\frac{4}{3}[/tex] y + 1 ) + 20 y = 15

20y -15 +20y = 15

40y = 30

y = 3/4

now that we've found y, plug that into our x = -[tex]\frac{4}{3}[/tex] y + 1 , to find x

x = -1 +1

x = 0

Answer:

The probability that a worker selected at random makes between $500 and $550 is approximately 0.24.

Step-by-step explanation:

To calculate this probability, we can use the standard normal distribution, which is a normal distribution with a mean of 0 and a standard deviation of 1. We can convert the weekly wage amounts to standard units by subtracting the mean and dividing by the standard deviation.

For wages between $500 and $550, the corresponding standard units are:

$500 - $400 = $100 / $50 = 2

$550 - $400 = $150 / $50 = 3

We can use a standard normal table or a calculator to find the probability that a value chosen at random from the standard normal distribution falls within the range of 2 to 3 standard units. This probability is approximately 0.24.

Since the weekly wages at the factory are normally distributed with a mean of $400 and a standard deviation of $50, this probability is also the probability that a worker selected at random makes between $500 and $550.

Yes, there must be two selected numbers whose difference is 2. Any assignment of n+1 pigeons to n holes. Then there exists at least one hole with at least 2 pigeons in it.

A general rule, called the pigeon -hole principle, is that if there are more pigeons than holes, there should be at least one hole with at least two pigeons. If we put n + 1 objects into n boxes, we can say that at least one box contains 2 or more objects. Example: If there are Kn+ 1 (where k is a positive integer) pigeons distributed in n holes, then the holes contain at least k + 1 pigeons. Consider 2n pair of pigeon holes (1,3), (2,4), (5,7),(6,8), .. ..,(4n-3,4n-1),(4n-2,4n). The 2 numbers in each pair have the difference 2.

If we choose 2n+1 numbers(pigeons), then they cannot all belong to different pairs.

Thus by pigeon hole principle, there must be two selected numbers whose difference is 2.

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The annuity provide each week is $547.59 (approx.)

Define Annuity

A fixed sum of money paid to someone each year, typically for the rest of their life.

Given,

Dajon already knows that he will have $500,000 when he retires.

P = $500,000

Next, he sets up a payout annuity for 15 years in an account paying 2.05% interest.

r = 2.05 % or 0.0205

t = 15 years

Since, annuity provide each week then

n = 52 weeks (in a year)

The Annuity formula is,

P = d [ ( 1 + r/n)^nt - 1 ] / (r/n)

where, d = regular deposit

Now, plug in the values and find the value of d

P = d [ ( 1 + 0.0205/52)^52*15 - 1 ] / (0.0205/52)

Calculate the value it gives,

P = $547.5936993 or 547.59

Hence, the annuity provide each week is $547.59 (approx.)

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Answer: 19.2mm^2

Step-by-step explanation: the area of a rectangle is simply base x height

so do 9.6 x 2 to get 19.2mm^2

The solution of the system of equations is the point of intersection (4, 2), as shown in the graph below.

Caroline bought 4 soda bottles.

Caroline bought 2 juice bottles.

In order to determine the solution to this problem, use the information given to create two equations.

Number of soda bottle = x.

Number of juice bottle = y.

First Equation for the total number of bottle that Kelvin bought

x + y = 6 --> eqn. 1

Second Equation 2 for the total sugar in the soda bottles and total sugar in juice bottles that equals 150 grams of sugar.

30x + 15y = 150

Simplify by dividing by 5

6x + 3y = 30 --> eqn. 2

Rewrite eqn. 1:

y = 6 - x

Solve simultaneously for the variables of x and y, by substituting the value of y into equation 2:

6x + 3(6 - x) = 30

6x + 18 - 3x = 30

3x + 18 = 30

3x = 30 - 18

3x = 12

3x/3 = 12/3

x = 4

Caroline bought 4 soda bottles.

Substitute x = 4 into equation 1 to find the value of y:

x + y = 6

4 + y = 6

y = 6 - 4

y = 2

Caroline bought 2 juice bottles.

The graph below shows the point of intersection, (4, 2), which is the solution.

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The linear function is y = x + 7 and it has it domain and range at  (-∞, ∞) respectively while it x and y - intercepts are (-7, 0) and  (0, 7) respectively.

A linear function has one independent variable and one dependent variable. The independent variable is x and the dependent variable is y.

The linear function always model the form of y = mx + c

Taking the points, we can find the slope of the line

m = y₂ - y₁ / x₂ - x₁

m = 8 - 0 / 1 - (-7)

m = 8 / 8

m = 1

The slope of the line is 1

Using the slope to find the y - intercept;

y = mx + c

8 = 1(1) + c

8 = 1 + c

c = 8 - 1

c = 7

The linear function is y = x + 7

The range of this function is (-∞, ∞) and the domain of the function is

(-∞, ∞).

The x and y -intercept of the function are

x - intercept = (-7, 0)

y - intercept = (0, 7)

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The length of the arc is 10.47 units

From the question, we have the following parameters that can be used in our computation:

Radius = 10

Angle = π/3

The length of the arc can be calculated using

Arc length = Radius * Angle

Substitute the known values in the above equation, so, we have the following representation

Arc length = 10 * π/3

Evaluate

Arc length = 10.47

Hence, the arc length is 10.47

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Bank reconciliation is an accounting process to bring the balance as per the bank statement to agree with the balance as per the checkbook.

The journal entry to adjust the checkbook balance is as follows:

May 1 Debit Bank Charges $20

Credit Checkbook $20

The preparation of the Bank Reconciliation Statement is as follows:

Balance as per bank statement            $16,833.19

Add Uncleared Deposits                        $1,650.00

Less Outstanding Checks                     $2,040.84

Balance as per adjusted checkbook  $16,442.35

Checkbook balance on May 31 = $16,462.35

Bank Statement balance on May 31 = $16,833.19

Uncleared Deposits:

May 29   $575

May 30 $1,075   $1,650

Outstanding Checks:

Check 189 - $127.50

Check 191 - $462.19

Check 192 - $569.42

Check 194 - $881.73  $2,040.84

Bank charges = $20.00

Checkbook Adjustment:

Balance as per checkbook      $16,462.35

Less Bank charges                           20.00

Adjusted checkbook balance $16,442.35

Transaction Analysis for Journal:

Bank Charges $20 Checkbook $20

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The value of a in the expression is -3

From the question, we have the following parameters that can be used in our computation:

r²-6 r+9 can be factorized to give an expression of the form (r+a)²

This means that

r² - 6r + 9 = (r+a)²

Factorize the expression r² - 6r + 9

So, we have

(r - 3)² = (r + a)²

By comparison, we have

a = -3

Hence, the solution of a is -3

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The true statements are,

A. The coefficients of xⁿ and yⁿ both equal 1.

D. For any term x and y in the expansion, a + b = n

What is an expression?

Mathematical expression is defined as the collection of the numbers variables and functions by using operations like addition, subtraction, multiplication, and division.

Given that;

The expression is,

⇒ (x + y)ⁿ

Now,

We know that;

A binomial expansion is,

⇒  [tex](x + y)^n = x^n + nx^n^-^1 y + ^{n} C_{2} x^n^-^2y^2 + ..... + nxy^n^-^1 + y^n[/tex]

Clearly, For Option A:

The coefficients of xⁿ and yⁿ both equal 1.

If we see first and last term of the expansion, This statement is true.

For Option D:

For any term xᵃyᵇ in the expansion, a + b = n.

Let we take 3rd term of expansion

Here, a = n-2 and b=2

So,   a + b = n-2+2 = n

Thus, a + b = n is true statement.

For Option B:

For any term xᵃyᵇ in the expansion, a - b = n.

Let we take 3rd term of expansion

Here, a=n-2 and b=2

If we do  a-b = n-2-2=n-4≠n

Thus, a-b=n is false statement.

Thus, The true statements are given below,

A. The coefficients of xⁿ and yⁿ both equal 1.

D. For any term x and y in the expansion, a + b = n

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Answer:

16 books

Step-by-step explanation:

8/12 is equivalent to 16/24. If each book is 1/24 width, 16/1 = 16

Answer: Work shown below. Have a nice day! :)

The graph in which point are plotted is given below and Point D and F lie on Y axis and X axis respectively other lie on the different quadrant

What does a math quadrant mean?

The term "quadrant" refers to each of the four divisions of the coordinate plane. Furthermore, when we speak of the sections, we also mean the sections as the coordinate axes split them. This is where the x-axis is, and this is where the y-axis is on the up-down axis. On a coordinate plane, it divides the space into four parts, as you can see.

Point A (-5,4)

Lies in 2 quadrant of the graph

Point B (-3,-2)

Lies in 3 quadrant of the graph

Point C (4,6)

Lies in 1 quadrant of the graph

Point D (0,-4)

Lies on negative y axis of the graph

Point E (2,-1)

Lies in 4 quadrant of the graph

Point F (1,0)

Lies on positive x axis of the graph

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Answer: It is D

Step-by-step explanation:

In order to calculate linear regression, we apply the formula Y = B + X. The current access level for 16 plus is 2.5. As a result, Option A is the right response. We get 26 from 16 + 10.

The slope and intercept of a line show how steep it is, and the intercept shows where the line crosses an axis. It is possible to calculate an average rate of change using the slope and intercept, which describe the linear relationship between two variables.

An equation of the form Y = a + bX, where X is the explanatory variable and Y is the dependent variable, represents a linear regression line. A line's intercept (the value of y when x = 0) is equal to the slope of the line, which is b.

The regression slope intercept equation, [tex]y' = b_{0} + b_{1} x[/tex], where "[tex]b_{0}[/tex]" is the y-intercept and "[tex]b_{1} x[/tex]" is the slope, is actually just an algebraic version of the regression equation. Once the equation for linear regression has been discovered,

Therefore the correct answer is option a ) 2.5

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20 + 4x+2 = 6x+8 --- By exterior angle

4x+22=6x+8

4x-6x=8-22

-2x=-14

x=7

Hope it helps

Answer:

yes, by ASA

Step-by-step explanation:

sum of interior angles of a triangle = 180°

180 - (45+63) = 180 - 108 = 72°

the two triangles have two congruent angles and the side between them.

They are congruent for (ASA) angle side angle

the value of [tex]f o f^{-1}[/tex](5) of the function f(x) = x + 9 is 5

An inverse function or an anti function is defined as a function, which can reverse into another function. In simple words, if any function “f” takes x to y then, the inverse of “f” will take y to x. If the function is denoted by ‘f’ or ‘F’, then the inverse function is denoted by f^-1 or F^-1. One should not confuse (-1) with exponent or reciprocal here.

[tex]f^{-1}[/tex](x) =

if f(x) = x + 9

setting x + 9 = y and making x the subject we have

y = x + 9

x = y - 9

replacing x with [tex]f^{-1}[/tex](x) and y with x we have

[tex]f^{-1}[/tex](x) = x - 9

so the f o [tex]f^{-1}[/tex](x) can be gotten by substituting x in f(x) with x - 9 so that we have

f o [tex]f^{-1}[/tex](x) = (x - 9) + 9

f o [tex]f^{-1}[/tex](x) = x

so f o [tex]f^{-1}[/tex](5) will be x = 5

which becomes

f o [tex]f^{-1}[/tex](5) = 5

In conclusion f o [tex]f^{-1}[/tex](x) is 5

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The solution to the system of equation y + 2x² = 14 , y = 3x² - 6 is as follows:

System of equation can be solved using different method such as elimination method, substitution method and graphical method.

Let's solve the system of equation by substitution method.

Therefore,

y + 2x² = 14

y = 3x² - 6

Therefore, using substitution method,

3x² - 6 + 2x² = 14

5x² - 6  = 14

5x² = 14 + 6

5x² = 20

x² = 20 / 5

x² = 4

x = √4

x = 2

Therefore, let's find the value of y using y = 3x² - 6.

y = 3x² - 6

y = 3(2)² - 6

y = 12 - 6

y = 6

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Answer:

A.) G

Step-by-step explanation:

I'd say A.) G because when you look at the graph the y-intercept is 4. When you look at the equation the y-intercept is 6. 6 is bigger than 4 so then the answer should be A.) G