If three integers have a mean of 9, a median of 12, and a range of 13, then the three integers are 1, 12, and 14.
As the median is the value that's exactly in the center of a set of values, one of the three integers is 12.
Considering the first and third integers to be x and y, the range can be given as
x - y = 13
x = 13 + y
As mean can be given as,
x + 12 + y / 3 = 9
Putting x = 13 + y in this equation,
13 + y + 12 + y / 3 = 9
25 + 2y = 9 × 3
25 + 2y = 27
2y = 27 - 25
2y = 2
y = 2/2
y = 1
As,
x = 13 + y
x = 13 + 1
x = 14
Hence the three integers are calculated to be 1, 12, and 14.
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Find the inverse of each function. Is the inverse a function? f(x)=(x+3)²+1
Inverse of the given function F(x) = ( x + 3 )² + 1 is F⁻¹(x) = [√( x - 1 ) ] - 3
Given is a function of x, F(x) = ( x + 3 )² + 1
These question can be solved by following 4 easy steps
Step 1 : Switch the F(x) with the variable y
This implies, F(x) = ( x + 3 )² + 1 becomes y = ( x + 3 )² + 1
Step 2 : Interchange the variable x and y in the above obtained equation
This implies, from the equation y = 3 x³- 4, we get
x = ( y + 3 )² + 1
Step 3 : Solve the new obtained equation for y
This implies, we have to simplify the equation by rearranging the terms to get the equation in terms of the variable x.
x = ( y + 3 )² + 1
=> x + 1 = (y + 3 )²
=> (y + 3 )² = x + 1
=> y = √( x - 1 ) - 3
Hence we obtain the required equation.
Step 4 : Switch the variable y with F⁻¹(x)
This implies, y =√( x - 1 ) - 3 becomes F⁻¹(x) = √( x - 1 ) - 3
Therefore, we get the inverse of the given function F(x) = ( x + 3 )² + 1 as F⁻¹(x) = √( x - 1 ) - 3
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Find the real and imaginary solutions of each equation.
25 x⁴-40 x²+16=0
The equation only has real solutions, x = 2/√5 and x = –2/√5
Let p = x².
Then we can write 25 x⁴-40 x²+16 = 0 as:
25 p²- 40 p +16 = 0
This is a quadratic equation.
There are three ways to find the solutions of a quadratic equation:
By factoringBy completing the squareBy applying the quadratic formulaLet us factoring method.
25 p²- 40 p +16 = 0
(5p - 4)(5p - 4) = 0
Hence 25 p²- 40 p +16 = 0 only has single real solution:
5p - 4 = 0
5p = 4
p = 4/5
Substitute p = 4/5 into p = x², we get:
x² = 4/5
x = ± √(4/5)
The solutions are x = 2/√5 and x = –2/√5
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One angle of a right traingle measures 40 .what is the measure of the acute angle
Answer:
50 degrees
Step-by-step explanation:
let's take the triangle to be right angled at b
so b=90 1
and c=40 (assumption) 2
so a+b+c=180(angle sum property)
from 1 and 2
a+90+40=180
a=180-130
therefore a=50
Answer:
50
Step-by-step explanation:
90= right side
40= acute side
180 - (90+ 40)= 50.
Can you guys pls help me
Hi
Step-by-step explanation:
Y should have a negative side in front of it.
[tex]2x - y = 5 \\ - y = - 2x + 5 \\ y = 2x - 5[/tex]
Which percent of increase is greater: the percent of increase for the perimeter of the square or the percent of increase for the area? How much greater?
Based on the information, the percentage increase for the area s greater as it is 600% greater
How to illustrate the information?Here, we have a square of side length 3 cm
The area of the square is 3² = 9 cm²
Perimeter of the square = 4L = 4 * 3 = 12 cm
When we triple the length of the square, its new length becomes 3 ,× 3 = 9 cm
Area here will be 9 * 9 = 81 cm²
Perimeter = 4 L = 4 * 9 = 36cm
To calculate percentage change, we use the formula;
(new value - old value)/old value * 100%
For the perimeter;
(36-12)/12 * 100% = 24/12 * 100% = 2 * 100% = 200%
For the area;
(81-9)/9 * 100% = 72/9 * 100% = 8 * 100% = 800%
The percentage increase of the area is greater by: 800% - 200% = 600%
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The side length of the square shown is tripled.
3 cm
Which percent of increase is greater the percent of increase for the perimeter of the square or the percent of increase for the area
A frozen yogurt shop offers a rewards system for frequent customers. The graph below represents how much a rewards customer pays based on the number of ounces of frozen yogurt purchased.
A graph titled Customer Rewards. The horizontal axis shows ounces of yogurt purchased, numbered 2 to 22, and the vertical axis shows Total Spent (dollars) numbered 1 to 11. A line begins at 0, extends to 5 dollars spent at 10 to 12 ounces, and ends at 9 dollars spent at 20 ounces.
Which statement describes the total amount a rewards customer pays for 10 ounces and 12 ounces of yogurt?
The required statement describes the total amount a rewards customer pays for 10 ounces and 12 ounces of yogurt is earns 2 free ounces.
What is a statement?
A statement is a declarative sentence that is either true or false but not both. A statement is sometimes called a proposition. The key is that there must be no ambiguity. To be a statement, a sentence must be true or false, and it cannot be both.
Given:
The horizontal axis shows ounces of yogurt purchased, numbered 2 to 22, and the vertical axis shows Total Spent (dollars) numbered 1 to 11.\
A line begins at 0, extends to 5 dollars spent at 10 to 12 ounces, and ends at 9 dollars spent at 20 ounces.
According to given question we have
In the analysis of the given options, the most likely answer to this question is A rewards customer earns 2 free ounces of yogurt because total amount paid for 10 ounces and 12 ounces is the same.
Also 9 dollars spent at 20 ounces.
Therefore, the required statement describes the total amount a rewards customer pays for 10 ounces and 12 ounces of yogurt is earns 2 free ounces.
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Answer:
A
Step-by-step explanation:
A rewards customer earns 2 free ounces of yogurt because the total amount paid for 10 ounces and 12 ounces is the same.
7. Solve the formula A = 1/2bh
for b. Justly each step. Then find the base of a triangle whose
area is 952 square feet and whose height is 56 feet.
The formula A = 1/2bh in terms of A and h is b = 2A/h and the measure of the base length is 34 feet.
What is the triangle?In terms of geometry, a triangle is a three-sided polygon with three edges and three vertices. The triangle's interior angles add up to 180°.
It is given that:
The formula A = 1/2bh
It is required to solve for b:
2A = bh
b = 2A/h
Plug A = 952 square feet
h = 56 feet
b = 2(952)/56
b = 34 feet
Thus, the formula A = 1/2bh in terms of A and h is b = 2A/h and the measure of the base length is 34 feet.
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18 is what fraction of 144?
Answer:
1/8
Step-by-step explanation:
144 ÷ 18 = 8
so, it 1/8
-8/2x-5/ = 16
slash is absolute value
Answer:
No solution
Step-by-step explanation:
-8l2x -5l =16 When I divide both sides by -8
l2x - 5l = -2
The absolute value cannot equal a negative number.
Determine whether the relation is a function. Explain.
The relation (x, y) = {(-4, -1), (-2, 4), (0, -1), (2, 1), (4, 4)} is a function
How to determine whether the relation is a function?The relation is given as
(x, y) = {(-4, -1), (-2, 4), (0, -1), (2, 1), (4, 4)}
As a general rule:
A relation that is considered to be a function is any relation whereby the elements of the domain has exactly one element of the range.
This means that an x value must have exactly one y value
Using the above as a guide, we can conclude that the relation (x, y) = {(-4, -1), (-2, 4), (0, -1), (2, 1), (4, 4)} is a function
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Possible question
Determine whether the relation is a function. Explain.
(x, y) = {(-4, -1), (-2, 4), (0, -1), (2, 1), (4, 4)}
Lincoln conducted a scientific experiment. For a certain time, the temperature of a compound rose 3\tfrac{1}{2}3
2
1
degrees every 1\tfrac{3}{4}1
4
3
hours. What was the rate, in degrees per hour, that the temperature of the compound rose? Enter your answer as a whole number, proper fraction, or mixed number in simplest form.
The rate at which the temperature of the compound rose is 2 degree per hour.
To figure this problem we will use unitary method where unitary method is a method where we find the value of the single unit and then multiply the value of single unit to the number of units to get the necessary value.
But according to the question we have find the value of only single unit.
Therefore we have been given that
every [tex]1\frac{3}{4}[/tex] hours = temperature of compound rose [tex]3\frac{1}{2}[/tex] degrees
Now applying unitary method we get,
[tex]1\frac{3}{4} = 3\frac{1}{2} \\\\ \frac{7}{4} = \frac{7}{2} \\\\ 1 = \frac{7}{2} /\frac{7}{4}[/tex]
= 2 degrees per hour
Hence the rate that the temperature of the compound rose is 2 degree per hour.
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Charlotte has appointed a chairperson to lead a city beautification project. the first act is to install statues and fountains in one of the city's parks. a statue is to be placed in the center of the park. the area of the base of the statue is 4x2 + 12x + 9 m2. factor the area of the base of the statue.
The base lengths are (2x + 3) and (x - 4) meters if the area of the base of the statue is 4x² + 12x + 9.
What is a polynomial?Polynomial is the combination of variables and constants systematically with "n" number of power in ascending or descending order.
[tex]\rm a_1x+a_2x^2+a_3x^3+a_4x^4..........a_nx^n[/tex]
It is given that:
The quadratic polynomial is:
= 4x² + 12x + 9
After using factor method:
= 2x² - 4x + 3x - 12
= 2x(x + 4) + 3(x - 4)
= (2x + 3)(x - 4)
Thus, the base lengths are (2x + 3) and (x - 4) meters if the area of the base of the statue is 4x² + 12x + 9.
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4<-9.9-(-10x+1) solve for x
Step-by-Step:
___________
1. We are given the following:
[tex]4 < -9.9-(-10x+1)[/tex]
This being said, the first thing we need to do is switch sides, writing it as follows:
[tex]-9.9-(-10x+1) > 4[/tex]
___________
2. Next, we need to add 9.9 to both sides of the equation.
[tex]-9.9-(-10x+1)+9.9 > 4+9.9[/tex]
___________
3. Then, we simplify.
[tex]-(-10x+1) > 13.9[/tex]
____________
4. Now, we add 1 to both sides of the equation.
[tex]10x-1+1 > 13.9+1[/tex]
____________
5. We simplify again.
[tex]10x > 14.9[/tex]
____________
6. Next, we divide both sides by 10.
[tex]\frac{10x}{10} > \frac{14.9}{10}[/tex]
____________
7. Finally, simplify one more time.
[tex]x > 1.49[/tex]
Hence, out solution is [tex]x > 1.49[/tex]
Hope this helps!
Simplify the expression. (3.65u − 11) − (−5 + 8.7u)
The expression is simplified to -5. 05u - 6
What is an algebraic expression?An algebraic expression can be defined as a mathematical expression made up variables, coefficients, terms, factors and constants.
These algebraic expressions are also made up of arithmetic operations, such as;
AdditionMultiplicationDivisionBracketParenthesesSubstraction, etcFrom the information given, we have the expression;
(3.65u − 11) − (−5 + 8.7u)
Now, expand the bracket, we get;
3. 65u - 11 + 5 - 8. 7u
collect like terms
3. 65u - 8. 7u - 11 + 5
Add/substract the values
-5. 05u - 6
Hence, the expression is -5. 05u - 6
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What is the rational expression in simplest form? State any restrictions on the variables.
c. 12-4 x / x²-9}
According to the question, the given rational expression can be simplified which is as shown below:
Rational expression = [tex]\frac{12-4x}{x^{2} -9}=\frac{4(3-x)}{(x-3)(x+3)}[/tex]
For the simplification of the given expression, calculate the factors of the numerator as well as denominator terms and divide them from each other. In this change the sign of the expression before dividing with each other.
Rational expression = [tex]\frac{-4}{(x+3)}[/tex]
The rational expression are also known as polynomial expression. The highest degree of these expression is two. And these expression uses concept of factor rule.
Therefore, the final expression is [tex]\frac{-4}{(x+3)}[/tex]
What is polynomial expression?
Polynomial expression are those equation whose highest degree is two. It is also called as quadratic equation. And it is simplified by performing the factors on the given expressions.
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What is the quotient of (x³ + 8) = (x + 2)?
Ox²+2x+4
Ox²-2x+4
O x² +4
Ox²-4
12
The correct option is (x²- 2x + 4) for the quotient.
What is termed as the quotient?The quotient is the result of dividing one number by the other. For instance, if we divide 6 by 3, the result is 2, which represents the quotient. The quotient can be either an integer or a decimal.For the given question;
The equations are given as;
(x³ + 8) = (x + 2)
For finding the quotient; this could be written as,
(x³ + 8)/ (x + 2) = 1
Thus, we have
= (x³ + 8)/ (x + 2)
Rewriting the equation as;
= (x³ + 2³)/ (x + 2)
Apply the formula of (a³ + b³) = (a+b)(a² - ab + b²) at the numerator;
= (x + 2)(x² -2x + 4)/ (x + 2)
Cancel the value of (x+ 2)
= (x² -2x + 4)
Thus, the quotient of the division is obtained as (x² -2x + 4).
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Please helpppppp now ASAP
Answer:
units 6.0 I think good luck brother
HELP MEEE plsssssss
Answer:
18.84 inches
Step-by-step explanation:
Use the formula.
2πr
Use 3.14 for π.
Use 3 for r.
2(3.14)(3)
Multiply.
2(3.14)(3)=18.84
Hope this helps!
Please mark as brainliest if correct!
What might the creator of this graph want the reader to conclude?
ANSWER FOR BRAINLIEST PLS!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Estimate the product of
882
×
39
.
A.
2,400
B.
3,600
C.
36,000
D.
40,000
Answer: C. 36,000
Step-by-step explanation:
Answer:
Your answer should be about 36,000
Step-by-step explanation:
You can kind of already eliminate A. the real answer should be around 34 to 35 thousan and it is the nearest to the options that you have
hope this helps
Which two integers is 37 between?
Integers are positive and negative whole number digits, where the set of integers is denoted by capital Z.
Z={-n,...,-2,-1,0,1,2,...,36,37,38,39,...,n}
So 37 is in between 36 and 38
The temperature in the late afternoon was -7.5 Celsius. It dropped 8.5 degrees by midnight. What was the temperature at midnight?
The answer to the question is T= - 7.5°C - 8.5°C = -16°C
The initial temperature in the late afternoon was -7.5°C.
It dropped by 8.5 degrees by midnight.
Change in temperature (in midnight) = -8.5°
Here negative sign represents the decrease in the temperature
.Let T be the total change in the temperature.
So, total change in the temperature is T = - 8.5°C
Therefore the required temperature in the midnight =temperature in late afternoon+the temperature dropped in night.
Final temperature at night =-7.5°C-8.5°C=-16°C
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Can someone Graph > 2
do 7 x for and you will not have any changes to your memories of your own and the fact of life that I am sure
Solve for x and graph the solution on the number line. If possible, resolve your answer to a single inequality. In case of no solution leave the number line blank.
22>=-3x+7 and -3x + 7 >-17
The solution to the inequality expression 22 >= -3x + 7 and -3x + 7 >-17 is -5 <= x < 8
What is a number line?A number line is a vertical or horizontal line that has endpoints and it is used to represent numbers at a constant interval
How to plot the number line?The expression is given as
22 >= -3x + 7 and -3x + 7 >-17
The above expression is an inequality expression
As a general rule:
Inequality expressions are mathematical statements that are represented by variables, coefficients and operators where the opposite sides are not equal
So, we have
22 >= -3x + 7 and -3x + 7 >-17
Evaluate the like terms
15 >= -3x and -3x >-24
Divide through by -3
So, we have
-5 <= x and x < 8
Combine the expressions
-5 <= x < 8
Hence, the solution to the inequality expression 22 >= -3x + 7 and -3x + 7 >-17 is -5 <= x < 8
See attachment for the number line
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Please help me out please please please
Help me with 1-5 i really need it
Answer:
1. E K H and F K G
2. E K F and H K G
3. E K F or G K H
4. F K G and G K J
5. G K J
Step-by-step explanation:
Felipe has a business where he builds and sells birdhouses. To build 12 birdhouses, he needs \large 5\frac{1}{4} meters of wood. During the holiday season, Felipe was asked to make \large 4\frac{1}{2} times the number of birdhouses he usually makes. How many meters of wood does Felipe need to make that many birdhouses?
Based on the number of birdhouses that Felipe has to build in the holiday season, the meters of wood that Felipe needs would be 23 ⁵/₈ meters
How many meters of wood are needed?First, find out the number of birdhouses Felipe needs to make:
= Normal number of birdhouses x Increase in holiday season
= 12 x 4¹/₂
= 54 birdhouses
The meters of wood he needs are:
= Number of birdhouses to be made / Number of bird houses he usually makes x Meters of wood needed for birdhouses Felipe usually makes
= 54 / 12 x 5¹/₄
= 23 ⁵/₈ meters
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Erica has $89. She is saving up for a new game system. If she saves $8 per week, how much money will she have after 20 weeks?
Solving a Real-World Problem Together, two apples have 1/5 gram of fat. How many apples have a total of 4 grams of fat?
Answer:4/ 1/5=20 or 4/.20=20
Step-by-step explanation: brainliest?
Write the equation for a vertical line that passes through:
(5,-3).
Answer:
In the image above
Step-by-step explanation:
Vertical line: A vertical line is a collection of points whose x -coordinate is the same for any y -coordinate. The equation of a vertical line is given by: x=c where c is a real number.
Check the picture below.