How much fencing is needed to enclose a circular pond with a diameter of 12.5 feet?
Answer:
37.5 feet fencing is needed to enclose a circular pond with a diameter of 12.5 feet
Determine a series of transformations that would map Figure I onto Figure J.
A blank followed by a blank
The series of transformations that would map Figure M onto Figure N will be firstly rotated about the origin and then translated upward by 3 units.
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.
If the geometry is rotated, then there is no change in angles.
The translation does not change the shape and size of the geometry. But changes the location.
The series of transformations that would map Figure M onto Figure N will be firstly rotated about the origin and then translated upward by 3 units.
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Disclaimer
The question given by you is incomplete, so a similar question have been solved here and the image is attached.
Determine a series of transformations that would map Figure M onto Figure N.
Solve the problem. Round the point estimate to the nearest thousandth. 32 randomly picked people were asked if they rented or owned their own home, 8 said they rented. Obtain a point estimate of the proportion of home owners.
a. 0.200
b. 0.750
c. 0.781
d. 0.250
e. None of the above
Answer:
B) 0.750
Step-by-step explanation:
Why is because the answer is 3/4 and 3/4 in decimal form is 0.750.
The value of the expression 2(3) +3(2)–3x4–5(2)-5+(7x4) is
or
the value of 2 to the 3rd power + 3 to the second power - 3 * 4 - 5 to the second power divided by 5 + (7 * 4)
Answer: 28
When you simplify it down, you get:
8 + 9 - 12 - 5 + 28.
When you combine all like terms, you get 28.
Also, proof is shown in the image below.
The value of the expression 2³ + 3² – 3 x 4 – 5² ÷ 5 + (7 x 4) using PEMDAS rule is 28.
We have,
Expression:
2³ + 3² – 3 x 4 – 5² ÷ 5 + (7 x 4)
Using the PEMDAS rule.
Remove the parenthesis.
2³ + 3² – 3 x 4 – 5² ÷ 5 + 28
Simplify the exponents such as 2³, 3², and 5².
8 + 9 - 3 x 4 - 25 ÷ 5 + 28
Simplify the multiplication such as 3 x 4.
8 + 9 - 12 - 25 ÷ 5 + 28
Simplify the division such as 25 ÷ 5.
8 + 9 - 12 - 5 + 28
Simplify the addition and subtraction.
28
Thus,
The value of the expression is 28.
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solve 3(x+4)-11=28 please
Answer:
\(\huge\boxed{\sf x = 9}\)
Step-by-step explanation:
Given equation:3(x + 4) - 11 = 28
Add 28 to both sides3(x + 4) = 28 + 11
3(x + 4) = 39
Distribute3x + 12 = 39
Subtract 12 from both sides3x = 39 - 12
3x = 27
Divide both sides by 3x = 27/3
x = 9\(\rule[225]{225}{2}\)
A right circular cylinder has a height of 20 ft and a diameter 1 times its height.
What is the volume of the cylinder?
Enter your answer as a decimal in the box. Use 3.14 for pi and round only your final answer to the nearest hundredth.
ft3
Answer:
Step-by-step explanation:
volume of cylinder is
\(V = \pi r^{2}h\)
In your cylinder, r = 20 and h =20
V = 3.14 x 20^2 x 20
=25 120.00 ft^3
Please note: The numbers in the question seem wrong if your teacher wants you to round to the nearest hundredth. Double check if the information. They might have said " 0.1 times" instead of 1 times or they meant the nearest hundred instead of the nearest hundredth. Please check.
PARTCMs. Magarine makes breakfast tacos using flour tortillas. The tortillas have a diameter of 8 inches give or take 1.5 inches. Write an absolute value inequality to represent the range of diameters the tortillas can have. Use x as your variable and the absolute value bytton below. absolute value
Diameter = 8in
+1.5
-1.5
Since the diameter can be 1.5 less or more than 8 in:
8-1.5 < x < 8+1.5
6.5
So, the results must be 6.5 and 9.5
lx+1.5 l = 8
Two men and a woman are lined up to have their picture taken.if they are arranged at random,find the numbers if ways that
A.the woman will be on the left in the picture.
B.the woman will be in the middle of the picture.
There are three people to choose from to go on the left, and once we have chosen one of them, the other two people can be arranged in 2! ways.
There are 3 * 2! = 6 ways to arrange them if the woman will be on the left in the picture.
There are three people to choose from to go on the left, and once we've decided on one, the other two can be arranged in 2! ways.
Similarly, there are three people to choose from to go in the middle, and once we have chosen one of them, the other two people can be arranged in 2! ways.
Therefore, there are 3 * 2! = 6 ways to arrange them if the woman will be in the middle of the picture.
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be a linear transformatipn mat maps x into x1v1 x2v2. find a matrix a such that t x is ax for each x
A matrix such that T(x) =Ax is \(Ax = \left[\begin{array}{ccc}-3&7\\5&-2\end{array}\right]\).
What is a matrix?
A matrix is a rectangular array or table with numbers or other objects arranged in rows and columns. Matrices is the plural version of matrix. The number of columns and rows is unlimited. Matrix operations include addition, scalar multiplication, multiplication, transposition, and many others.
The matrix is \(x = \left[\begin{array}{ccc}x_1\\x_2\end{array}\right]\), \(v_1= \left[\begin{array}{ccc}-3\\5\end{array}\right]\) and \(v_2 = \left[\begin{array}{ccc}7\\-2\end{array}\right]\).
The linear transformation is R² → R².
T is defined by the vector equation -
T(x) = x1v1 + x2v2
Substitute the values in the equation -
T(x) = \(x_1 \left[\begin{array}{ccc}-3\\5\end{array}\right] + x_2 \left[\begin{array}{ccc}7\\-2\end{array}\right]\)
A vector equation like this can be rewritten as a matrix equation Ax where the columns of A are just v1 and v2 -
\(Ax = \left[\begin{array}{ccc}v_1&v_2\end{array}\right]\)
Substitute the values in the matrix -
\(Ax = \left[\begin{array}{ccc}-3&7\\5&-2\end{array}\right]\)
Therefore, the matrix obtained is \(Ax = \left[\begin{array}{ccc}-3&7\\5&-2\end{array}\right]\).
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The sum of two numbers is negative thirty-two. One number is two less than the other.
Call the numbers m and n.
Answer:
-15 and -17
Step-by-step explanation:
Explain the difference between an indefinite integral and a definite integral.
A) An indefinite integral, after evaluating it at the limits of integration, results in a particular number. A definite integral results in a set of functions that share the same derivative and uses an arbitrary constant of integration.
B) A definite integral, after evaluating it at the limits of integration, results in a particular number. An indefinite integral results in a set of functions that share the same derivative and uses an arbitrary constant of integration.
C) An indefinte integral cannot always be integrated analytically and may require numeric integration, while it is always possible to integrate a definite integral. Definite integrals always return a real number after evaluation at its limits of integration.
D) A definite integral is defined and continuous over the interval of integration and has finite limits of integration. An indefinite integral is also defined and continuous over the interval of integration, but may have as a limit of integration.
The answer is A.
An indefinite integral is a function that, when differentiated, equals the original function. It is denoted by ∫f(x)dx, where f(x) is the function to be integrated. An indefinite integral always has an arbitrary constant of integration, which is denoted by C. This is because the derivative of any constant is zero, so the derivative of ∫f(x)dx+C is still equal to f(x).
A definite integral is the limit of a Riemann sum as the number of terms tends to infinity. It is denoted by ∫
a
b
f(x)dx, where a and b are the limits of integration. A definite integral does not have an arbitrary constant of integration, because the limits of integration specify a unique value for the integral.
In other words, an indefinite integral is a family of functions that share the same derivative, while a definite integral is a single number.
What is the image of (-3,-7) under a rotation of 90 degrees
The new coordinate (- 7, 3 ) of the image of (-3,-7) under a rotation of 90 degrees.
What is a graph?A graph can be defined as a pictorial representation or a diagram that represents data or values.
Let the coordinate Z is (-3, -7)
Under a clockwise rotation about the origin of 90 degrees
A coordinate ( x, y ) → ( y, - x ),
The coordinate Z is (-3, -7) and is translated using the rule
Then simply plug in the values of x and y which are x = -3 and y = -7
Thus ( -3, - 7 ) → (- 7, 3 )
This is the new coordinate for Z (- 7, 3 )
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Bob packs 13 pounds of nuts in bags. Each bag has 1/4 pound of nuts. Which equation shows the number of bags Bob packed with all the nuts?
13 × 1/4 = 52
13 ÷ 1/4 = 52
13 ÷ 1/4 = 14/4
13 × 1/4 = 13/4
The equation for the bag with all nuts is 13 / ( 1/4 ) = 52 bags
Given data ,
Bob packs 13 pounds of nuts in bags.
Each bag has 1/4 pound of nuts
Now , the number of bags = pounds of nuts / pounds of nuts in each bag
A = 13 / 1/4
On simplifying the equation , we get
A = 52 bags
Hence , the number of bags is 52 bags
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If 1 liter = 1.057 quarts, about how many liters are in 1 gallon of milk? Round to the nearest liter.
Answer:
3.78541 liters (sorry I'm horrible at rounding)
General form of
Y= 1/3x +3 and has an x intercept of 3
Answer:
Step-by-step explanation:
y
=
1
3
x
−
3
Use the slope-intercept form to find the slope and y-intercept
Slope:
1
3
y-intercept:
(
0
,
−
3
)
Any line can be graphed using two points. Select two
x
values, and plug them into the equation to find the corresponding
y
values.
x
y
0
−
3
3
−
2
Graph the line using the slope and the y-intercept, or the points.
Slope:
1
3
y-intercept:
(
0
,
−
3
)
x
y
0
−
3
3
−
2
image of graph
Determine the speed in km/h if you travel a distance of 160 km in 2 hours
Answer:
80km/h
Step-by-step explanation:
(160KM/H) / (2H) = 80 KM
Answer:
80km/h
Step-by-step explanation:
hope this helps!
have a good day :)
A shipping box is 36 inches by 24 inches by 18 inches
how many cubic feet can it hold
Answer:
To find the volume of the shipping box in cubic feet, we need to convert the dimensions from inches to feet and then calculate the volume.
Given:
Length = 36 inches
Width = 24 inches
Height = 18 inches
Converting the dimensions to feet:
Length = 36 inches / 12 inches/foot = 3 feet
Width = 24 inches / 12 inches/foot = 2 feet
Height = 18 inches / 12 inches/foot = 1.5 feet
Now, we can calculate the volume of the box by multiplying the length, width, and height:
Volume = Length * Width * Height
Volume = 3 feet * 2 feet * 1.5 feet
Volume = 9 cubic feet
Therefore, the shipping box can hold 9 cubic feet.
Step-by-step explanation:
First convert the units because it's asking for the cubic feet but they give us the measurements in inches.
To convert inches to feet we divide the number by 12.
36 ÷ 12 = 3
24 ÷ 12 = 2
18 ÷ 12 = 1.5
Now to find the volume, we multiply it all together.
3 × 2 × 1.5 = 9
It can hold 9 cubic feet.
Hope this helped!
given the function f(x)=logbase2(X), find the y-intercept of g(x) = f(x+4)+8
The y-intercept of f(x + 4) + 8 is given as follows:
10.
What is a translation?A translation happens when either a figure or a function is moved horizontally or vertically on the coordinate plane.
The four translation rules for functions are defined as follows:
Translation left a units: f(x + a).Translation right a units: f(x - a).Translation up a units: f(x) + a.Translation down a units: f(x) - a.The parent function for this problem is given as follows:
\(f(x) = \log_2{x}\)
The translated function is then given as follows:
\(g(x) = \log_2{x + 4} + 8\)
The y-intercept of the function is the numeric value at x = 0, hence:
\(g(0) = \log_2{0 + 4} + 8\)
g(0) = 2 + 8 = 10.
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can every one just ask questents and not commet s brainly is for questions!!!!!!!!!!!!!!!!!!
Answer:
Calm down jamal. dont pull out the nine
Step-by-step explanation:
x 1, x 2 and x 3 be independent random variables such that x 1 x 2 and x 1 x 3 have the same distribution. does it follow that x 2 and x 3 have the same distribution
It doesn't follow that x2 and x3 have the same distribution
How to explain the informationWe can construct a counterexample as follows:
Let x1 be a standard normal random variable (with mean 0 and variance 1), and let x2 and x3 be two independent random variables, each of which takes the value 1 with probability 1/2 and the value -1 with probability 1/2.
Then x1 x2 and x1 x3 both have a standard normal distribution, because the product of a standard normal random variable and an independent discrete random variable with values ±1 is still a standard normal random variable.
However, x2 and x3 do not have the same distribution, because x2 takes the values ±1 with equal probability, while x3 takes the values ±1 with equal probability.
Therefore, the given condition does not imply that x2 and x3 have the same distribution.
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The table below shows the values of f(x) and g(x) for different values of x. One of the functions is a quadratic function, and the other is an exponential function. Which function is most likely increasing quadratically? x f(x) g(x) 1 3 3 2 6 9 3 11 27 4 18 81 5 27 243 f(x), because it grows faster than g(x) g(x), because it will not intersect f(x) g(x), because it grows slower than f(x) f(x), because it grows slower than g(x)
Answer:
D
Step-by-step explanation:
Exponential functions always will end up being bigger than quadratic functions and since g(x) is probably the exponential it makes f(x) the quadratic because it is growing slower than the function g(x)
The function g(x) increases faster than the function f(x). Then the correct option is D.
What is a function?The function is an expression, rule, or law that defines the relationship between one variable to another variable. Functions are ubiquitous in mathematics and are essential for formulating physical relationships.
The table below shows the values of f(x) and g(x) for different values of x.
One of the functions is a quadratic function, and the other is an exponential function.
The quadratic function f(x) will be
f(x) = ax² + bx + c
At x = 1, f(x) will be 3
a + b + c = 3 ...1
At x = 2, f(x) will be 6
4a + 2b + c = 6 ...2
At x = 3, f(x) will be 11
9a + 3b + c = 11 ...3
On solving equations 1, 2, and 3, we have
a = 1, b = 0, and c = 2
Then the quadratic function will be
f(x) = x² + 2
The exponential function g(x) will be given as
g(x) = abˣ
At x = 1, g(x) will be 3
ab = 3 ...4
At x = 2, g(x) will be 9
ab² = 9 ...5
From equations 4 and 5, we have
a = 1 and b = 3
Then the exponential function will be
\(\rm g(x) = 3^x\)
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The local government is concerned with the population of a new predatory fish, the tiger gar, which was first observed in Lake Richmond about 5 years ago. The following table shows the approximate number of tiger gars living in the lake since 2016:
2016 2017 2018 2019 2020 2021
322 399 507 618 785 975
Using the TI-nspire calculator, write an exponential function that models the population of tiger gar in the lake. (Round all numbers to the nearest hundredth.)
y=blank(blank)x
The exponential function that models the population of tiger gar in the lake is given as follows:
\(y = 322.63(1.25)^x\)
How to define an exponential function?An exponential function has the definition presented as follows:
\(y = ab^x\)
In which the parameters are given as follows:
a is the value of y when x = 0.b is the rate of change.Considering x as the number of years since 2016, the points are given as follows:
(0, 322), (1, 399), (2, 507), (3, 618), (4, 785), (5, 957).
Inserting these points into an exponential regression calculator, the equation is given as follows:
\(y = 322.63(1.25)^x\)
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PLEASE HELP, I don’t know how to do this...like at all
Answer:
arc ? = 255°
Step-by-step explanation:
arc DB = 180° - 75° = 105°
arc ? = 360° - 105° = 255°
I’m terrible at percents so ...... if anybody can help that would be nice :))
Answer:
There are 625 trees in the park.
Step-by-step explanation:
Assume that there are x trees in the park
∵ The number of trees in the park = x
∵ 27% of them are oaks
∵ 16% are pins
∵ 33% of them are banyans
∵ The remaining are willows
→ The percentage of the total number of trees is 100%
∴ The percent of the remaining = 100% - (27 + 16 + 33)%
∴ The percent of the remaining = 100% - 76%
∴ The percent of the remaining = 24%
∵ The number of willows trees = 150
∴ 24% of x = 150
∴ 24% × x = 150
→ Change the percent to a decimal by divide it by 100
∵ 24% = \(\frac{24}{100}\) = 0.24
∴ 0.24 × x = 150
∴ 0.24x = 150
→ Divide both sides by 0.24
∴ x = 625
∴ There are 625 trees at the park.
how many more grains of rice are in a fifty-pound bag of valencia rice than in a fifty pound bag of basmati rice
Fifty-pound bag of valencia rice has 3.2 * 10⁵ grains more than fifty pound bag of basmati rice
What is an equation?An equation is an expression that shows the relationship between two or more numbers and variables.
A fifty pound bag of basmati rice has 1.1 * 10³ grains in each ounce of 8 * 10² ounce and fifty pound bag of valencia rice has 1.2 * 10⁶ grains
Difference in number of grains = 1.2 * 10⁶ grains - (1.1 * 10³ grains * 8 * 10² ounce) = 3.2 * 10⁵ grains
Fifty-pound bag of valencia rice has 3.2 * 10⁵ grains more than fifty pound bag of basmati rice
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Which line is the graph of y = -2 x + 2?
Step-by-step explanation:
Does this graph help?
the level of temperature of liquid in a thermometer is 26.52'c lower than the boiling poin. of water. what is the thermometer reading
The thermometer reading would be 73.48°C.
The boiling point of water is generally considered to be 100°C. According to the given information, the temperature of the liquid in the thermometer is 26.52°C lower than the boiling point of water. Therefore, to find the thermometer reading, we subtract 26.52 from 100.
100 - 26.52 = 73.48
Hence, the thermometer reading would be 73.48°C.
In this scenario, we are assuming that the thermometer is calibrated to measure temperature in Celsius. The boiling point of water at standard atmospheric pressure is 100°C, and the given information states that the liquid in the thermometer is 26.52°C lower than the boiling point.
By subtracting 26.52 from 100, we obtain a reading of 73.48°C.
Thermometers work by utilizing the principle that certain substances, such as mercury or alcohol, expand or contract with changes in temperature. The expansion or contraction is measured using a scale, which is marked with various temperature values.
In this case, the thermometer is calibrated in Celsius, so we refer to the Celsius scale. By subtracting 26.52 from 100, we find the temperature at which the liquid in the thermometer is settled, which is 73.48°C.
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Please anyone that can help me
Answer:
\(|\frac{x}{y} |\)
Step-by-step explanation:
Pre-SolvingWe are given the following expression: \(\sqrt\frac{x^3y^5}{xy^7}\), where x > 0 and y > 0.
We want to simplify it.
To do that, we can first simplify what is under the radical, then take the square root of what is left.
Recall that when simplifying exponents, we don't want any negative or non-integer radicals left.
SolvingTo simplify what is under the radical, we can remember the rule where \(\frac{a^n}{a^m} = a^{n-m}\).
So, that means that \(\frac{x^3}{x} = x^2\) and \(\frac{y^5}{y^7} = y^{-2}\) .
Under the radical, we now have:
\(\sqrt{x^2y^{-2}}\)
Now, we take the square root of both exponents to get:
\(|xy^{-1}|\)
The reason why we need the absolute value signs is because we know that x > 0 and y > 0, but when we take the square root of of \(x^2\) and \(y^{-2}\) , the values of x and y can be either positive or negative, so by taking the absolute value, we ensure that the value is positive.
However, we aren't done yet; remember that we don't want any radicals to be negative, and the integer of y is negative.
Recall that if \(a^{-n}\), that is equal to \(\frac{1}{a^n}\).
So, by using that,
\(|x * \frac{1}{y} |\)
This can be simplified to:
\(|\frac{x}{y} |\)
Pre calculus
Help me
Answer:
\(\displaystyle \frac{75}{2}\) or \(37.5\)
Step-by-step explanation:
We can answer this problem geometrically:
\(\displaystyle \int^6_{-4}f(x)\,dx=\int^1_{-4}f(x)\,dx+\int^3_1f(x)\,dx+\int^6_3f(x)\,dx\\\\\int^6_{-4}f(x)\,dx=(5*5)+\frac{1}{2}(2*5)+\frac{1}{2}(3*5)\\\\\int^6_{-4}f(x)\,dx=25+5+7.5\\\\\int^6_{-4}f(x)\,dx=37.5=\frac{75}{2}\)
Notice that we found the area of the rectangular region between -4 and 1, and then the two triangular areas from 1 to 3 and 3 to 6. We then found the sum of these areas to get the total area under the curve of f(x) from -4 to 6.
Answer:
\(\dfrac{75}{2}\)
Step-by-step explanation:
The value of a definite integral represents the area between the x-axis and the graph of the function you’re integrating between two limits.
\(\boxed{\begin{minipage}{8.5 cm}\underline{De\:\!finite integration}\\\\$\displaystyle \int^b_a f(x)\:\:\text{d}x$\\\\\\where $a$ is the lower limit and $b$ is the upper limit.\\\end{minipage}}\)
The given definite integral is:
\(\displaystyle \int^6_{-4} f(x)\; \;\text{d}x\)
This means we need to find the area between the x-axis and the function between the limits x = -4 and x = 6.
Notice that the function touches the x-axis at x = 3.
Therefore, we can separate the integral into two areas and add them together:
\(\displaystyle \int^6_{-4} f(x)\; \;\text{d}x=\int^3_{-4} f(x)\; \;\text{d}x+\int^6_{3} f(x)\; \;\text{d}x\)
The area between the x-axis and the function between the limits x = -4 and x = 3 is a trapezoid with bases of 5 and 7 units, and a height of 5 units.
The area between the x-axis and the function between the limits x = 3 and x = 6 is a triangle with base of 3 units and height of 5 units.
Using the formulas for the area of a trapezoid and the area of a triangle, the definite integral can be calculated as follows:
\(\begin{aligned}\displaystyle \int^6_{-4} f(x)\; \;\text{d}x & =\int^3_{-4} f(x)\; \;\text{d}x+\int^6_{3} f(x)\; \;\text{d}x\\\\& =\dfrac{1}{2}(5+7)(5)+\dfrac{1}{2}(3)(5)\\\\& =30+\dfrac{15}{2}\\\\& =\dfrac{75}{2}\end{aligned}\)
You took one-third of an hour to walk home. How many minutes did you walk?
(Hint: An hour has 60 minutes.)
minutes
Answer:
20 minutes
Step-by-step explanation:
60÷3=20
Step 1 you divide 60 minutes by 1/3 which is gonna give you 20 mins
20 min
Solution:We know that an hour has 60 minutes.In order to find one-third of a hour, we should divide 60 by 3:60÷3=20 min.So if you took one-third of an hour to walk home, you walked for 20 minutes.Hope it helps.
Do comment if you have any query.