a car is traveling at a constant velocity of 60km/h east for 4 hours. choose the correct statement about the acceleration of the car

First, convert 23% into a fraction.

23% =

\(23 \div 100 = \frac{23}{100} \)

Now the expression to determine 23% of 122 is

\( \frac{23}{100} \times 122 \\ = ( \frac{23}{100} )(122)\)

Answer:

23/100*112this is the answer

Answer:

A) length = width +10

B) length * width = 144 OR

B) width = 144 /length  putting B) into A)

A) length = 144 / length + 10 then solving for length

A) length^2 = 144 +10 length

A) length^2 -10 length - 144 = 0  then we factor

(length -18) * (length +8) = 0

length = 18 feet

width = 8 feet

Step-by-step explanation:

Here we have a program written in C++ language. Each // symbol is a relative comment explaining the reason for each command line (and is not included during the program execution).

The Program:

#include <iostream>

//c++ build in library

using namespace std;

//main code body starts here

int main()

{

 //declare variable to store phone numbers,its area code, prefix and line    number.

long pnumber;   //declare long variable

int ac, prefix, lnumber;

 //declare integer variables, where ac: Area Code and lnumber is the Line Number

cout<<"Enter a 10-digit Phone Number: "<<endl;

 //cout command prints on screen the desired message

 cin>>pnumber;

 //cin command enables the user to interact with the programm and enter information manually

//main body to obtain the desired output starts below

 //each 'division' is used to allocate the correct value at the correct

 //since prefix is used to get the desired output of ( )    -

 ac = pnumber/10000000;

 prefix = (pnumber/10000)%1000;

 lnumber = pnumber%10000;

 //main body ends here

 cout<<"Based on your 10-digit number"<<endl;

 cout<<"below you have (AreaCode), Prefix, and - line number "<<endl;

 cout<<"("<<ac<<")"<<""<<prefix<<"-"<<lnumber<<endl;

 //Prints on screen the desired output of the long 10 digit Number

 return 0; //ends program

}

-------------------------------------------------------------------------------------------------------

The Output Sample:

Enter a 10-digit Phone Number:

8019004673

Based on your 10-digit number

below you have (Area Code), Prefix, and - line number

(801) 900-4673

....Programm finished with exit code 0

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Answer:

3 a 2 − a + 10

Step-by-step explanation:

like and 5 star

Answer:

3a^2-a+10

Step-by-step explanation:

...

Answer: 3x+4=34

Step-by-step explanation: let the number be x

A.T.Q

the number is 3 times i.e 3x

4 increase=3x+4.

and it says the equation is equal to 34.

3x+4=34

Answer:

I am pretty sure it's 312ft^2

Step-by-step explanation:

If you do 12x13/2 its 78

then you would do 78 x 4

and you get 312

so its 312ft^2

Answer:

D on ED

Step-by-step explanation:

Answer:

D

Step-by-step explanation:

Edge 2022

Answer:

2334

Step-by-step explanation:

hi

Answer:

99 members

Step-by-step explanation:

Trust me it 99 I done it on mathswatch

The total number of members of the club will be 128 members.

A histogram exists a display of statistical information that utilizes rectangles to exhibit the frequency of data items in successive numerical intervals of equivalent size.

b) The total number of members of the club will be:

= 25 + 38 + 32 + 24 + 9

= 128

The total number of members of the club will be 128 members.

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Answer:

No.

In a right triangle one of the angles is right angle i.e 90° and, therefore, sum of other two angles will always be equal to 90°, which means the other two angles will be acute angles

Answer:

C - 1 / sin^2x

Step-by-step explanation:

as csc x = 1 / sin x

so, csc^2 x = 1 / sin^ 2x

Percentages

All swimsuits were marked down 60%.

Let's assume the original price was x.

The discount of 60% can be calculated as:

60*x/100 = 0.6x

The discount on a specific rack of swimsuits runs from $18 to $27

If the savings are $18, then

0.6x = 18

Divide by 0.6:

x = 18/0.6 = 30

If the discount is $18, the original price was $30

Now for the discount of $27:

0.6x = 27

Dividing by 0.6:

x = 27/0.6 = 45

If the discount is $27, the original price was $45

Answer: The range of the original price was from $30 to $45

The correct answer is D. an approximation of the time and expense of the research report.

A research request agreement typically includes all of the following items:

A. the scales for the measures: This refers to the specific measurement scales or instruments that will be used to collect data in the research.

B. the decision problem confronting the manager: This outlines the specific problem or issue that the research aims to address and provide insights for decision-making.

C. the target population from which a sample will be drawn: This defines the specific group or population that the research will focus on and from which a representative sample will be selected.

D. an approximation of the time and expense of the research report: This item is not typically included in a research request agreement. The time and expense of the research report are usually discussed separately during project planning and budgeting.

Therefore, the correct answer is D. an approximation of the time and expense of the research report.

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Answer:

Step-by-step explanation:

(3+5) (b8)

= 8 (b8)

= 64 b

Answer:

17

Step-by-step explanation:

The coefficient of determination of the data given is 0.927 and the maintenance cost is 93670

Usin

A.)

Given the data

8

2

5

12

15

9

6

Y:

78

92

90

58

43

74

91

Using Technology, the coefficient of determination, R² is 0.927

This means that about 93% of variation in output of the branches is due to the regression line.

B.)

Given that M'(x) = 90x² + 5,000, we can integrate it to find M(x):

M(x) = ∫(90x² + 5,000) dx

Hence,

M(x) = 30x² + 5000x

Maintainace cost at the end of seventeenth year would be :

M(17) = 30(17)² + 5000(17)

M(17) = 8670 + 85000

M(17) = 93670

Therefore, maintainace cost at the end of 17th year would be 93670

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The two way table which would show the characteristics listed of the random sample, would be:

                                              Order dessert                 No dessert

Split the check                             50                                    18

One person pays                         16                                      38

The number of people who like to split the check for dessert is 50 so this goes into the first cell. 68 people in total prefer to split the check which means the second cell for Split the check - No dessert would be:

= 68 - 50

= 18 people

56 people decide to skip dessert totally which means the number for those who believe one person pays but with no dessert is:

= 56 - 18

= 38 people

The number who believe one person pays and order dessert are then :

= 122 - 68 - 38

= 16 people

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Probit coefficients are typically estimated using:

A. the method of maximum likelihood.

The method of maximum likelihood is used to estimate the probit coefficients. This method aims to find the coefficients that maximize the likelihood of observing the given sample data. It involves an iterative process to identify the most likely parameter values for the model, making it suitable for nonlinear models like the probit model. Maximum likelihood estimation is a widely used method in econometric analysis due to its desirable properties, such as consistency and asymptotic efficiency.

In summary, probit coefficients are estimated using the method of maximum likelihood, which provides the most accurate and efficient estimates for this type of model.

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Answer:

A

Step-by-step explanation:

Given a parabola in standard form, y = ax² + bx + c ( a ≠ 0 ), then

minimum/ maximum value is the y- coordinate of the vertex.

The x- coordinate of the vertex is

\(x_{vertex}\) = - \(\frac{b}{2a}\)

y = x² - \(\frac{5}{3}\) x + \(\frac{31}{36}\) ← is in standard form

with a = 1 and b = - \(\frac{5}{3}\) , thus

\(\frac{x}{vertex}\) = - \(\frac{-\frac{5}{3} }{2}\) = \(\frac{5}{6}\)

Substitute this value into y

y = (\(\frac{5}{6}\) )² - \(\frac{5}{3}\) (\(\frac{5}{6}\) ) + \(\frac{31}{36}\)

   = \(\frac{25}{36}\) - \(\frac{25}{18}\) + \(\frac{31}{36}\) = \(\frac{1}{6}\)

Since a > 1 then the vertex is a minimum, thus

minimum value = \(\frac{1}{6}\) → A

After simplifying the expression, - ( 7 x - 3 y ) + 2 ( 3/4 x + 1/2 y), we get the result as - 11 / 2 x + 4 y.

- ( 7 x - 3 y ) + 2 ( 3/4 x + 1/2 y)

First we will multiply 2 and open the brackets.

So, we get that:

- 7 x + 3 y + 3/2 x + y

Combining the like terms, we get that:

= ( - 14 + 3 ) x / 2 + 3 y + y

Simplifying and solving the expression to obtain the result, we get that:

= - 11 / 2 x + 4 y.

Therefore, after simplifying the expression, - ( 7 x - 3 y ) + 2 ( 3/4 x + 1/2 y), we get the result as - 11 / 2 x + 4 y.

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Answer:

n=2.56

Step-by-step explanation:

The function G(x) = \(4x^2 - 28x + 49\) can be rewritten as G(x) = \(4(x - 3.5)^2 -\)196, where the vertex of the parabola is located at the point (3.5, -196).

To rewrite the quadratic function by completing the square, we follow these steps:

Step 1: Start with the given quadratic function:

\(G(x) = 4x^2 - 28x + 49\)

Step 2: Divide the coefficient of the x term by 2 and square the result:

(-28 / 2)^2 = (-14)^2 = 196

Step 3: Add and subtract the value obtained in Step 2 inside the parentheses:

G(x) = 4x^2 - 28x + 196 - 196 + 49

Step 4: Rearrange the terms and group the perfect square trinomial:

\(G(x) = (4x^2 - 28x + 196) - 196 + 49\)

Step 5: Factor the perfect square trinomial and simplify:

G(x) = 4(x^2 - 7x + 49) - 196 + 49

Step 6: Complete the square inside the parentheses:

G(x) = 4(x^2 - 7x + 49) - 147

Step 7: Rewrite the perfect square trinomial as a squared binomial:

\(G(x) = 4[(x - 3.5)^2 - 3.5^2] - 147\)

Step 8: Simplify the expression inside the square brackets:

G(x) = 4(x - 3.5)^2 - 49 - 147

Step 9: Combine like terms:

G(x) = 4(x - 3.5)^2 - 196

Therefore, the function G(x) = 4x^2 - 28x + 49 can be rewritten as G(x) = 4(x - 3.5)^2 - 196, where the vertex of the parabola is located at the point (3.5, -196). The completed square form allows us to easily identify key properties of the quadratic function, such as the vertex and the direction of the parabola.

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The variable "area of the circle" would likely be classified as a continuous variable, as it can take on any value within a certain range (e.g. 0 to infinity), and the difference between any two values within that range can be any positive value.

The variable "number of equal slices in a pizza" would likely be classified as a discrete variable, as it can only take on certain integer values (e.g. 1, 2, 3, etc.). Similarly, the variable "portion of the pizza in one slice" would also be classified as a discrete variable, as it can only take on certain values (e.g. 1/2, 1/3, 1/4, etc.).

The variable "air temperature in Saint Paul, MN" would likely be classified as a continuous variable, as it can take on any value within a certain range (e.g. -40 to 120 degrees Fahrenheit), and the difference between any two values within that range can be any positive value.

The variable "last four digits of a Social Security number" would likely be classified as a discrete variable, as it can only take on certain integer values (e.g. 0001 to 9999).

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The friend's probability of beating the next level on her first attempt are 22.5 percent.

Describe probability.

To forecast how likely occurrences are to occur, probability has been introduced in mathematics. This is the fundamental theory of probability, which is also applied to the probability distribution, and from which you will discover the likelihood of results for a random experiment.

This idea is used to discuss the probability or likelihood of an event happening.

The frequency of the number 8 is seven.

The frequency of the number 9 is 11.

The full list of frequencies is provided as

10 + 9 + 6+ 7 + 8 + 12 + 4 + 6 + 7 + 11 = 80

7 + 11 = 18

18/80 is the probability.

= 0.225 x 100

22.5 percent

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Answer:

A

Step-by-step explanation:

Answer:

A) 1st graph

Step-by-step explanation:

Answer:

2 dollars donated.

Step-by-step explanation:

Answer:

18.18

Step-by-step explanation:

Answer:

9600 divided by 30 is 320

Please Mark as brainliest.

Answer: 68

Step-by-step explanation: 32 + 2=34 34*2 + 68 2 because a person naturaly has 2 feets