Answer:
perfect square
Step-by-step explanation:
A perfect square is a number multiplied by itself:
16 = 4^2 = 4 * 4
design and implement an application that reads in a set of values in the range of 1 to 100 (yes, you should error check for this) and then creates a chart showing how often the values appeared. the chart should look like the one below and should show how many values fell in the range of 1-10, 11-20, 21-30, and so on.
Sample Output: Code to copy: //Import the required package. import java.util.Scanner; //Define the class Main. class Main { //Start the execution of the main() method.
Code of Origin:Origin C is a programming language that is ANSI C compatible and also incorporates C++ and C# features. The majority of Origin objects can be accessed programmatically thanks to built-in C++ classes. The NAG C Library's extensive collection of numerical computational routines is also included.
C, a replacement for the programming language B, was initially created by Ritchie at Bell Labs between 1972 and 1973 to create utilities for Unix. It was used to re-implement the Unix operating system's kernel. C increasingly gained popularity in the 1980s.
import java.io.*;
import java.util.Scanner;
public class histogram
{
public static void main(java.lang.String[] args)
throws IOException
{
Scanner scan = new Scanner (System.in);
final int min = 1;
final int max = 10;
final int limit = 10;
int[] a = new int[max];
for (int b = 0; b < a.length; b++)
{
a[b] = 0;
}
System.out.println("Enter Number between 1 and 100: \n (Or press 0 to stop)");
int number = scan.nextInt();
while (number >= min && number <= (limit*max) && number != 0)
{
a[(number-1)/limit] = a[(number - 1 ) / limit] + 1;
System.out.print("Please enter a value:");
number = scan.nextInt();
}
System.out.println("\n__Histogram__");
for (int y = 0; y < a.length; y++)
{
System.out.print(" " + (y * limit + 1) + " - " + (y + 1) * limit + "\t");
return;
}
for (int z = 0; z < a[b]; z++)
{
System.out.print("*");
}
System.out.println(0);
}
}
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Ryan is on a summer holiday in Italy. The temperature is 95°F.
Use the formula below to calculate the temperature in °C.
C=5(F−32)9
Answer:
The temperature in °C is 35.
Step-by-step explanation:
To calculate the temperature in degree Celsius we need to use the following equation:
\(^{\circ} C = (^{\circ} F - 32) \times \frac{5}{9}\) (1)
The given equation has an error. Equation (1) is the correct one.
Hence, the conversion of 95 °F to °C is:
\(^{\circ} C = (95 - 32) \times \frac{5}{9} = 35\)
Therefore, the temperature in °C is 35.
I hope it helps you!
Is there a rigid transformation taking Rectangle A to Rectangle B?
Answer:
no
Step-by-step explanation:
there are just not the same. :b
The rectangle A is not transformed to B because the shape of both the rectangles is different.
What is transformation?The process of changing the location of the image on the coordinate system will be known as the translation. A rectangle is defined as a two-dimensional shape having four-sided and opposite sides equal and parallel.
Dilation is the process of increasing the size of an object while maintaining its shape. Depending on the scale factor, the object's size can be increased or decreased.
From the above definitions, it is clear that the in the transformation of the objects the size of the objects does not changes. In dilation, the size of the object can be changed.
Therefore, rectangle A is not transformed to B because the shape of both rectangles is different.
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somebody answer, please?
The table displays data collected, in meters, from a track meet.
one fourth 6 2 4
3 two thirds one third nine halves
What is the median of the data collected?
2.5
4.5
2
3
The median of the data collected from a track meet is 2 meters.
What is median?The median is the middle number in a sorted, ascending or descending list of numbers.
To calculate the median of the given date, we folloe the steps below.
Collected date: 1, 4, 6, 2, 4, 3, 2/3, 1/3, 1/2
Step 1: Rearreange the date in accending order.
1/3, 1/2, 2/3, 1, 2, 3, 4, 4, 6Step 2: Pick the middle of the number in the arranged data
Median = 2 meters.Hence, the median of the data collected is 2 meters.
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Answer:
2.5
Step-by-step explanation:
What is the value of f(−3)? f(−3) = What are the domain and range of f(x)? (Negative infinity, infinity) ; (Negative infinity, 4); (Negative infinity, 4 Right-bracket (Negative infinity, 4 Right-bracket On a coordinate plane, a piecewise function is comprised of 2 lines and a curve. A line starts at closed circle (negative 3, 4) and has a negative slope toward (negative 5, 1). A line starts at open circle (negative 3, 3) and goes to closed circle (0, 0). A curve starts at closed circle (0, 0) and curves up to open circle (4, 2). f (x) = StartLayout Enlarged left-brace First row x + 7, x less-than-or-equal-to negative 3 Second row negative x, negative 3 less-than x less-than-or-equal-to 0 third row StartRoot x EndRoot, 0 less-than x less-than 4 EndLayout
Answer:
4
B
Step-by-step explanation:
Answer:
4
next one is B
Step-by-step explanation: EdGE
23. Kelvin travelled of his journey at 45 km/h and of the remaining journey at 90 km/h. The rest of his journey was completed in 1.2 h at an average speed of 100 km/h. What was the total time taken for the whole journey?
Answer:
4.6 hours
Step-by-step explanation:
we first need to calculate the total distance he covered and total time taken whole for the journey.
Distance= speed X time
time = Distance/speed
let the total distance be X. he covers 2/5 if the journey first.
2/5 = 0.4
Time = 0.4x/45 hours
the remaining journey is 3/5x
he covers 1/3 X 3/5= 0.2x
time taken = 0.2/90 X hours
the remaining distance = 100× 1.2 = 120km
we add 0.4x + 0.2x to get the fraction he had covered
0.6x.
the remaining distance was X - 0.6x = 0.4 X
thus 120 km represents 0.4x of the journey
we calculate now the value of X
0.4x = 120
X = 300km
Total time taken = 0.4x/45 + 0.2/90 + 1.2 hours
replace X to get time
2.7 hours + 0.7 hours + 1.2 hours
= 4.6 hours
You are installing a rectangular pool in your backyard. The pool measures 24 feet by 16 feet. You also would like to build a concrete walkway around the pool. You have allocated 560 ft? of your backyard for both the pool and the walkway around it. How wide should you make the walkway?
Answer:
The walkway should be 2ft wide.
Step-by-step explanation:
Let x be the width of the walkway surrounding the pool.
The area including the pool is 560ft².
Let's solve for the value of x.
The length plus twice the width of the pool is multiplied by the width plus twice the width of the pool. This makes up the whole area.
A = lw
560 = (24 + 2x)(16 + 2x)
560 = 384 + 48x + 32x + 4x²
4x² + 80x + 384 - 560 = 0
4x² + 80x - 176 = 0
Divide the whole equation by 4
x² + 20x - 44 = 0
(x + 22)(x -2) = 0
x = -22; x = 2
Since we are dealing with dimensions, take the one with the positive value.
x = 2ft
Let's check
560ft² = (24ft + 2x)(16ft + 2x)
560ft² = (24ft + 2(2ft)) (16ft + 2(2ft))
560ft² = (24ft + 4ft)(16ft + 4ft)
560ft² = (28ft)(20ft)
560ft² = 560ft² ✔
La siguiente tabla representa la velocidad de un coche en función del tiempo:
Tiempo
(segundos)
x
Velocidad
(m/s)
f (x)
15
45
22
66
29
87
36
108
La tasa media de cambio de la función entre x a 15 a x x 29 es __________m/s2 y representa la aceleración del coche.
Fnfjfjf
Step-by-step explanation:
....................help
The exponential function that represents this situation is 25000(1.03)ˣ
Writing the exponential function that represents this situation.From the question, we have the following parameters that can be used in our computation:
Inital visitors, a = 25000
Rate of increase, r = 3%
Using the above as a guide, we have the following:
The function of the situation is
f(x) = a * (1 + r)ˣ
Substitute the known values in the above equation, so, we have the following representation
f(x) = 25000 * (1 + 3%)ˣ
So, we have
f(x) = 25000(1.03)ˣ
Hence, the function is 25000(1.03)ˣ
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Information for Questions 5-7: The Annual Survey of Colleges in the U.S. also reports on the average amount of student loan debt by state. The most recent data by state showed an approximately normal shape with a minimum average amount of
$19,000
and a maximum average amount of
$38,000
. Use the minimum and maximum value and the normal shape to estimate the mean and standard deviation of the data for the 50 states. (Mean and standard deviation have been rounded to the nearest
$100
.) a. mean
=$25,000;
standard deviation
=$3,500
b. mean
=$26,800;
standard deviation
=$2,100
c. mean
=$26,800;
standard deviation
=$3,700
d. mean
=$28.500;
standard deviation
=$1,800
e. mean
=$28,500;
standard deviation
=$3,200
A federal study of student loan debt plans to focus on those states with the highest amounts of student loan debt. The study plans on targeting those states that fall in the top
2.5%
in terms of average student loan amounts. What is the cutoff point that would place a state in the top
2.5%
based on student loan debt? (Use the mean and standard deviation estimates from Question #5.) a.
$38,100
b.
$34,900
c.
$31,700
d.
$32,500
e.
$22,100
The correct answer is $34900.
X : Average amount of loan of student debt by state .
X = N ( μ = $28500 , σ² = ( 3200 )² )
To find : What is the cutoff point that would place a state in top 2.5%
Let it be X
P( X > x ) = 0.025
P(X-μ/σ > X - 28500/3200) = 0.025
P(z >Z ) = 0.025
1 - P(z<Z ) = 0.025
P(z<Z ) = 0.975
φ(z) = 0.975
Z = φ⁻¹(0.975)
X - 28500/3200 = 1.96
X = 34772
i.e; P(X > 34772) = 0.025
Since, it is nearly equal to $34900 option b is correct.
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please help me i really need help please help me please i really need help please help me please
Answer:2.
Step-by-step explanation:
trust me on this one
Dilbert recently hired a mechanic to do some necessary work. On the final bill, Dilbert was charged a total of $712.
$430 was listed for parts and the rest for labor. If the hourly rate for labor was $47, how many hours of labor was
needed to complete the job?
Step-by-step explanation:
Dont understand, sorry!!
What is the m∠J, to the nearest tenth? JLK is right angle triangle. The length of JL is 9.4 and length of LK is 15.1. explaination?
The angle m∠J in the right angle triangle is 58.1 degrees.
How to find the angle of a triangle?One of the angle of a right tangle triangle is 90 degrees. The sum of
angles in a triangle is 180 degrees.
Therefore, the side length LK can be found using Pythagoras's theorem and the angle can be found using trigonometric ratios.
Hence,
tan ∠J = opposite / adjacent
tan ∠J = 15.1 / 9.4
∠J = tan⁻¹ 1.60638297872
∠J = 58.0909229196
Therefore,
m∠J = 58.1 degrees
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Which graph is a function of x?
Answer:
A vertical line through the origin
Step-by-step explanation:
Find the distance from the point (5, 5, 2) to the line
x=0, y= 5+3t , z=2+t
The distance from the point to the parametric line is given as follows:
5 units.
How to obtain the distance between the point and the parametric line?The first step is obtaining the vector from the line L(0, 5 + 3t, 2 + t) to the point P(5,5,2), as follows:
P - L = (5, -3t, -t).
The direction vector of the line is given as follows:
(0, 3, 1).
The dot product of the vector with the direction of the line is of zero, hence:
(5, -3t, -t)(0, 3, 1) = 0
-9t - t = 0
-10t = 0
t = 0.
Thus the point on the line which we will use to obtain the distance is of:
(0, 5 + 3(0), 2 + 0) = (0,5,2).
The the distance is obtained applying the formula for the distance between two points as follows:
Distance = square root [(5 - 0)² + (5 - 5)² + (2-2)²] = 5 units.
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Arthur is saving money to buy a used car in 8 months. The car costs $2,180. Arthur plans to start with an initial deposit and then deposit 25% more than the previous month until he has enough money to buy the car. What is the minimum initial deposit Arthur must make? Round to the nearest whole dollar.
The minimum initial deposit Arthur must make is $ 4.24.
Since Arthur is saving money to buy a used car in 8 months, and the car costs $ 2,180, and Arthur plans to start with an initial deposit and then deposit 25% more than the previous month until he has enough money to buy the car, to determine what is the minimum initial deposit Arthur must make the following calculation should be performed:
X x 1.25 x 1.56 x 1.95 x 2.44 x 3.05 x 3.81 x 4.76 = 2180 514.10X = 2180 X = 2180 / 514.10 X = 4.24
Therefore, the minimum initial deposit Arthur must make is $ 4.24.
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A car sharing service offers a membership plan with a $50 per month fee that includes 10 hours of driving each month and charges $9 for each additional hour
(A) Write a piecewise definition of the cost F(x) for a month in which a member uses a car for x hours
(B) Graph F(x) for 0 < x s 15
(C) Find lim x--->10 F(x), lim x--->10F(x), and lim x--->10F(x), which- ever exist.
Answer and Step-by-step explanation:
Given:
Charges includes 10 hour per month = $50
Charges for additional hour = $9
Piecewise definition of cost F(x) for a month in which a member use a car for hours.
Find limits?
Find lim x--->10 F(x), lim x--->10F(x), and lim x--->10F(x), which- ever exist.
Lim x → 10- F(x) = 50$
Lim x → 10 [ 9x – 70] = 9( 10) – 70
= 90 – 70
= 20 > 10
Limit does not exist.
Lim x → 10+ F(x) = 50$
Lim x → 10+ F(x) = Lim x → 10+ [90x – 70]
= 90 – 70
= 20 > 10
Limit does not exist.
Lim x → 10 F(x) = 50$
An integer or an decimal.
The limit does not exist.
The piece wise definition of the cost \(f(x)\) for a month in which a member uses a car for \(x\) hours is given by the equation,\(f(x)= 50+9(x-10)\).
Given,
Membership plan is \(\$50\) per month.
We have to write a piece wise definition of the cost \(f(x)\) for a month in which a member uses a car for \(x\) hours.
Here, \(\$\)\($50\) per month fees includes 10 hours of driving each month, so the cost for a month is given as,
\(f(x)= 50+9(x-10)\)
Here \(x\) is the no. of additional hours for the month.
Further,
\(f(x)= 9x-40\).
Now at,
\(lim _{x \to 10^+}f(x) = 9\times 10-40\\\)
Or,
\(f(x)= 90-40\\f(x)=50\)
Similarly, at left limit,
\(lim _{x \to 10^-}f(x) = 9\times (-10)-40\)
Or,
\(f(x)=-90-40\)
\(f(x)=-130\)
Finally at \(x=10\), \(f(x)=9\times10-40\)
\(f(x)=90-40\\f(x)=50\)
Since \(lim{x \to}10^+\) \(\neq limx\to 10^-\neq f(x) (at x= 10)\)
So the required function \(f(x)\) is discontinuous at \(x=10\)
Hence the piece wise definition of the cost \(f(x)\) for a month in which a member uses a car for \(x\) hours is given by the equation,\(f(x)= 50+9(x-10)\).
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Help!!!!!!!!!!!!!!!!
Answer:
13.8
Step-by-step explanation:
We know that 1 inch is 9.2 miles. The houses are 1.5 inches away. We need to divide 9.2 by 2. We get 4.6. 9.2+4.6=13.8!
13.8
Given the figure above, if m ABC = 68° and m_BCA = 90°, answer the following:
Part I: Find the m DCE.
Part II: Explain the steps you took to arrive at your answer. Make sure to identify any
theorems, postulates, or definitions used to justify your answer.
I HOPE IT WILL HELP YOU.
Thank you.
^ - ^
What is the length of the midsegment of a trapezoid with bases of length 18 and 28?
The length of the midsegment of a trapezoid with the given bases is.
Answer:
midsegment = 23
Step-by-step explanation:
the midsegment is half the sum of the bases, that is
midsegment = \(\frac{18+28}{2}\) = \(\frac{46}{2}\) = 23
----------------------------------------------------------------------------------------------------------
Answer:aaaaaaa
Step-by-step explanation:
AAAAAAAAAA
Can someone help solve this please ?
Answer:
it's the third one bc I got it right
A rectangular flag has an area of 3/8 square foot. The width is 3/4 foot. What is the length of the flag?
Answer:
1/2
Step-by-step explanation:
Area= 3/8
Width=3/4
Length=?
3/8=0.375
3/4x1/2=3/8 (0.375)
The rectangle is rotated 180º counterclockwise about the origin. Which of the following ordered pairs is a vertex of the rectangle’s image?
A.
(-5, 1)
B.
(-4, -1)
C.
(4, -5)
D.
(4, 4)
The ordered pair is a vertex of the rectangle’s image will be (-4, -1). Then the correct option is B.
What is a transformation of a shape?A point, line, or geometric figure can be transformed in one of four ways, each of which affects the structure and/or location of the object.
From before the refers to the object's initial condition, and Picture, after transformation, refers to the object's ultimate structure and location.
Rotation does not change the shape and size of the geometry. But changes the orientation of the geometry.
The rectangle is in the first quadrant then the coordinate of the vertices of a rectangle will be positive (x, y).
The rectangle is rotated 180º counterclockwise about the origin.
The rectangle will be in the third quadrant then the coordinate of the vertices of the rectangle will be negative (-x, -y).
Thus, the ordered pair is a vertex of the rectangle’s image will be (-4, -1). Then the correct option is B.
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Simplify the expression.
The provided expression's simplified form is r¹⁵.
What is exponent?The number of times a number has been multiplied by itself is referred to as an exponent. 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. For instance, the number 6 is multiplied by itself four times, yielding 6 6 6 6. A number or letter placed above and to the right of a mathematical statement known as the base is termed an exponent. It denotes that the basis is to be increased in strength.
Here,
=(r⁶/r³)⁵
=(r⁶⁻³)⁵
=(r³)⁵
=r¹⁵
The simplified form of given expression is r¹⁵.
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If the random variable x is normally distributed with a mean equal to .45 and a standard deviation equal to .40, then P(x ≥ .75) is:
If the random variable x is normally distributed with a mean equal to 0.45 and a standard deviation equal to 0.40, then P(x ≥ .75) is 0.9227.
What is a Z-score?A z-score describes the position of a raw score in terms of its distance from the mean when measured in standard deviation units. The z-score is positive if the value lies above the mean and negative if it lies below the mean.
Given the problem above, we need to find what the z-score is when P(x ≥ .75).
The formula for calculating a z-score is given by:
\(Z=\dfrac{\text{x}-\mu}{\sigma}\)
Where:
x is the value of 0.75\(\mu\) is the mean of 0.45And \(\sigma\) is the standard deviation of 0.40Now,
\(Z=\dfrac{\text{x}-\mu}{\sigma}\)
\(Z=P(\text{x} \geq 0.75) = \huge \text(\dfrac{P(Z \geq (0.75 - 0.45)}{0.40}\huge \text)\)
\(Z= P\huge \text (\dfrac{Z \geq0.30}{0.40}\huge \text)\)
\(Z=P(Z \geq 0.75) = 1 - P(Z < 0.75)\)
\(Z=1 - 0.077337\)
\(Z\thickapprox 0.9227\)
Therefore, the z-score of P(x ≥ .75) is 0.9227.
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The decay constant for 14C is 0.00012. A 4050-year-old wooden chest is found by archaeologists. What percentage of the original 14C would you expect to find in the wooden chest? (Express your answer as a percentage rounded to one decimal place.)
Answer:
The radioactive decay constant or k = ln (.5) / Half-Life
Half-Life = -.693147 / .00012
Half-Life = -5,776.225 years
We'll call beginning amount as 100%
Ending Amount = Beginning Amount / 2^n (where n = # of half-lives)
n = 4,050 / 5,776.225 = 0.7011499725
Ending Amount = 100% / 2^0.7011499725
Ending Amount = 100% / 1.625800202
Ending Amount = 61.5081729452%
Ending Amount = 61.5 % (rounded)
Step-by-step explanation:
Identify the unit rate in the graph. A ) 80 Sting B) 60 09 40 D) 20
Answer:
C - 40
Step-by-step explanation:
The unit rate in a graph is how much a unit increases with time. The unit here is Distance (mi) and the time here is Time (h). So to find the unit rate, you divide the y-value with its corresponding x-value (given it is a straight line, which it is in this case).
So for example, let's take the unit 80mi, its corresponding x-value is 2, so 80/2 = 40. Let's do the same for 160mi, its corresponding x-value is 4, so 160/4 = 40 and so on. The value will be the same for all x-y values in the graph.
Answer: 40 miles/hr
Step-by-step explanation:
The unit rate is the slope of the line. The slope is the Rise/Run, so pick any two points and calculate. I'll pick (2,80) and (4,160).
Rise is (160-80) = 80
Run is (4-2) = 2
Rise/Run, or slope, is 80/2 or 40 (miles/hour)
what is 6.74 x 1.98 estimated
Answer:
The result is 13.3452
It depends on what your teacher wants you to round to.
To the whole number, it would be 13.
To the tenth, it would be 13.3
To the hundredth, it would be 13.35.
To the thousandth, it would be 13.345.
Hope this helps.
Answer:
13.3452, multiply both the numbers,
an estimation would be about 13 since 1.98 is close to 2 and 6.74 is close to 7, but since they aren’t quite there, a 13 would make sense to guess
Tyler drove 52 miles in 13 hours. If he drove at a constant rate, how far did be
travel in one hour? Enter your answer as a whole number, proper fraction, or mised
number in simplest form.
Answer: Tyler traveled 4 miles in one hour.
Step-by-step explanation: We are given the information that Tyler traveled 52 miles in 13 hours. To find the unit rate, we divide the 52 traveled miles by 13 hours.
52 ÷ 13 = 4 miles in an hour
This means Tyler traveled 4 miles in one hour.