Answer:
3.6 miles
Step-by-step explanation:
hope this helps!
does this table represent a proportional relationship
Yes its i Think If its not sorry
Terrell is a dog trainer. He charges $75 for each training session plus $1.45 per mile that he must drive to and from the session. Write an expression to represent this situation. Explain your answer.
(in the expression let x represent the number of miles.)
The expression 75 + 1.45x represents the total cost of a training session with Terrell
The expression to represent this situationLet x be the distance (in miles) that Terrell must drive to and from the training session.
Then the total cost C of the training session, in dollars, can be expressed as:
C = 75 + 1.45x
The first term, 75, represents the base fee that Terrell charges for each training session. The second term, 1.45x, represents the additional cost that Terrell incurs due to the distance he has to drive. This second term is calculated by multiplying the distance x by the rate of $1.45 per mile.Therefore, the expression 75 + 1.45x represents the total cost of a training session with Terrell, including both the base fee and the additional cost for driving.
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An object's _____ are the tasks or functions that the object performs when it receives a command to do so.
a. roles
b. utilities
c. methods
d. instances
An object's methods are the tasks or functions that the object performs when it receives a command to do so.
What are the methods?The methods of an object describe what the object can perform. In object-oriented programming (OOP), objects are a key element of the language. Each object has a collection of methods that it can perform.
Methods are similar to functions or procedures in traditional programming. They're the code that the object executes in response to a command. Because objects have methods, programming in object-oriented programming (OOP) languages involves defining the object classes, which specify the methods and properties that each object in that class will have.
Roles:- Roles specify the various abilities that an object can perform. In object-oriented programming (OOP), these roles are often defined through interfaces, which specify the set of methods that an object must implement in order to fulfill the role. The role of an object is determined by the methods that it implements.
Utilities:- Utilities are typically unrelated to an object's role, but rather are commonly used functions that are available throughout a system or application. They often provide functionality that is required by many different objects in the system.
c. methods is the correct option.
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Grace wants to buy carpet to cover her whole living room, except for the tiled floor. The tiled
floor is 6ft by 3-ft. Find the area the carpet needs to cover.
Therefore, the area that the carpet needs to cover is: LW - 18 square feet.
What is area?Area is a mathematical term that refers to the amount of space occupied by a two-dimensional object or shape. It is typically measured in square units such as square feet, square meters, or square inches.
Here,
If the tiled floor is excluded from the area that needs to be covered by the carpet, then we need to find the area of the living room without the tiled floor and add the tiled floor's area to it.
Let's assume that the living room is a rectangular shape with length L and width W.
The area of the living room without the tiled floor is:
Area = L x W - (6 x 3) (since the tiled floor has an area of 6 ft x 3 ft)
Area = LW - 18 square feet
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factor the expression 6x^3 + 5x
Answer:
x(6x^2 + 5)
Step-by-step explanation:
To factor the expression 6x^3 + 5x, we can first factor out the greatest common factor of the two terms, which is x. This gives:
x(6x^2 + 5)
We can see that 6x^2 + 5 cannot be factored any further using integer coefficients, so the final factored form of the expression is:
x(6x^2 + 5)
No idea how to use this app tbh
Answer:
-10
Step-by-step explanation:
I added a photo of my solution
Answer:
Answer is -10
Step-by-step explanation:
50 Points
Janey paints a block of wood with gold glitter for an art project. The block measures
8 inches by 10 inches by 20 inches.
After she's done, she decides to make two blocks by cutting through the block on the
red line. She still wants each block to be covered with gold glitter.
What is the total area of the cut surfaces she still needs to paint?
Answer the questions to find out.
1. What is the shape of each cut surface? what are its dimensions?
2. What is the area of each cut surface?
3. What is the total area Jenny needs to paint? Explain how you found your answer.
Answer:
The shape of each cut surface is a rectangle. The dimensions of the first cut surface are 8 inches by 10 inches, and the dimensions of the second cut surface are 10 inches by 20 inches.
The area of the first cut surface is 8 inches x 10 inches = 80 square inches. The area of the second cut surface is 10 inches x 20 inches = 200 square inches.
To find the total area Jenny needs to paint, we need to add the area of the first cut surface to the area of the second cut surface.
Total area = Area of first cut surface + Area of second cut surface
Total area = 80 square inches + 200 square inches
Total area = 280 square inches
Therefore, Jenny needs to paint a total area of 280 square inches.
Jessica went deep sea diving. She make the first stop on her descent at 25 meters below the surface of the water. From that point she dives down further, stopping every 5 meters. If she makes 4 additional stops, which number represents her position, relative to the surface of the water?
*
A 45
B 20
C -20
D -45
Jessica's position relative to the surface of the water after making 4 additional stops is 45 meters below the surface.Option(A) is correct.
What is sea diving?Divers who engage in scuba diving use breathing apparatus that is entirely independent of a surface air source. Christian J. Lambert-sen came up with the moniker "scuba," which stands for "Self-Contained Underwater Breathing Apparatus," in a 1952 trademark application.
According to question:Jessica's position relative to the surface of the water can be represented by the following arithmetic sequence:
[tex]$$25, 30, 35, 40, 45$$[/tex]
where the first term is 25 and the common difference is 5 (the distance between each stop).
To find the fifth term (her position after making 4 additional stops), we can use the formula for the nth term of an arithmetic sequence:
[tex]$$a_n = a_1 + (n-1)d$$[/tex]
where [tex]$a_1$[/tex] is the first term, d is the common difference, and n is the term number.
Plugging in the values we know, we get:
[tex]$$a_5 = 25 + (5-1)5 = 45$$[/tex]
Therefore, Jessica's position relative to the surface of the water after making 4 additional stops is 45 meters below the surface.
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I need help with this please
Q5. For all values of x, b) Solve fg(x) = gf(x)
g(x)=x-5
f(x)=x²+1
Answer:
To solve fg(x) = gf(x), we need to find the values of x that satisfy this equation. First, let's calculate fg(x):fg(x) = f(g(x)) = f(x-5) = (x-5)² + 1 Now, let's calculate gf(x):gf(x) = g(f(x)) = g(x² + 1) = (x² + 1) - 5 = x² - 4So, we have the equation:(x-5)² + 1 = x² - 4 Expanding (x-5)², we get:x² - 10x + 26 = x² - 4 Simplifying, we get:-10x + 26 = -4-10x = -30x = 3 Therefore, the solution to fg(x) = gf(x) for all values of x is x = 3.
Is 4, 5, and 6 a right triangle??..
Step-by-step explanation:
If they are RIGHT triangles then the Pythagorean theorem would apply
c^2 = a^2 + b^2 where c is the long side ( hypotenuse)
4) does 10^2 = 6^2 + 8^2 ?
100 = 36 + 64 Yes....it is a right triangle
5) does 8^2 = ( sqrt26)^2 + sqrt(28^2) ?
64 = 26 + 28 NO....it is NOT a right triangle
6) you should try this one yourself .....
use half angle identity. help
pls
Required value of the given expression is (1+√2)
Given expression is [tex]tan \frac{11\pi}{8} [/tex]
We want to solve it.
Now,
[tex] \tan( \frac{11\pi}{8} ) = \tan( \frac{3\pi}{8} + \frac{8\pi}{8} ) \\ = \tan( \frac{3\pi}{8} + \pi ) \\ = \tan( \frac{3\pi}{8} ) [/tex]
Finding [tex] \tan( \frac{3\pi}{4} ) [/tex]
Let,
[tex] \tan(2t) = \tan( \frac{3\pi}{4} ) = - 1[/tex]
Use half angle identity,
[tex] \tan(2t) = \frac{ 2\tan(t) }{1 - {tan}^{2} t} \\ - 1 = \frac{ 2\tan(t) }{1 - {tan}^{2} t} \\ {tan}^{2} t - 2tant - 1 = 0[/tex]
Let,[tex]x = tant[/tex]
So,[tex] {x}^{2} - 2x - 1 = 0[/tex]
Now, [tex]x = 1 \pm \sqrt{2} [/tex]
So,
[tex]tant = tan \frac{3\pi}{8} = 1 \pm \sqrt{2} [/tex]
[tex]tan \frac{3\pi}{8} [/tex] is positive,then required value is 1+√2.
So, option D is the correct answer.
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help please i’ll give brainliest!!!
Answer:
Apparently it's 4800 according to desmos.
Step-by-step explanation:
Step-by-step explanation:
x y
-3 150
-2 300
-1 600
0 4800
As you can see, for negative values of x, the area burned becomes smaller and smaller as x becomes more negative. This is because the equation y = 4800(2)^x has a base of 2, which means that as x becomes more negative, 2^x becomes smaller and smaller, causing y to become smaller and smaller as well.
use laplace transforms to solve the initial value problem where primes indicate derivatives with respect to t.
To use Laplace transforms to solve the initial value problem where primes indicate derivatives with respect to t, follow these steps.
Write down the given differential equation and initial conditions. Apply the Laplace transform to both sides of the differential equation, using the properties of Laplace transforms for derivatives. Substitute the initial conditions into the transformed equation to get a new equation with no derivatives.Solve this new equation for the Laplace transform of the desired solution function. Apply the inverse Laplace transform to find the solution function in the time domain.Remember to be accurate and concise while solving the problem.
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a rod placed up against a wall is sliding down. the distance between the top of the rod and the foot of the wall is decreasing at a rate of 9 inches per second. when this distance is 152 inches, how fast is the distance between the bottom of the rod and the foot of the wall changing? the rod is 172 inches long.
when the distance between the top of the rod and the foot of the wall is 152 inches, the distance between the bottom of the rod and the foot of the wall is decreasing at a rate of approximately 19.08 inches per second.
In this case, we are given that the distance between the top of the rod and the foot of the wall is decreasing at a rate of 9 inches per second. We want to find the rate at which the distance between the bottom of the rod and the foot of the wall is changing.
We can start by using the Pythagorean theorem to relate the three distances involved: the height of the rod (h), the distance between the top of the rod and the foot of the wall (x), and the distance between the bottom of the rod and the foot of the wall (y). Specifically, we have:
[tex]h^2 = x^2 + y^2[/tex]
To find the rate at which y is changing, we can take the derivative of both sides of this equation with respect to time (t), using the chain rule:
2h dh/dt = 2x dx/dt + 2y dy/dt
We are given that dh/dt = -9 inches per second (since h is decreasing). We also know that h = 172 inches and x = 152 inches (when y = 0). Substituting these values and solving for dy/dt, we get:
dy/dt = (h/x) * (dx/dt - (x/y) * dh/dt)
dy/dt = (172/152) * (-9 - (152/y) * 9)
dy/dt = -19.08 inches per second (rounded to two decimal places)
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Please Help i need the full answer
The value of x in the intersected chord is 72.95 degrees.
How to find the inscribed angle using arc angle?If two chords intersect inside a circle, then the measure of the angle formed is one half the sum of the measure of the arcs intercepted by the angle and its vertical angle.
The chords intercepts to form two arc angles 42.9 and 103 degrees. The inscribed angle formed by the intersected chord can be found as follows:
Therefore,
x = 1 / 2 (103 + 42.9)
x = 1 / 2 (145.9)
x = 72.95
Therefore,
x = 72.95 degrees
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if y varies directly as x, and y=7 when x=3, find when x=7
By definition, direct variation takes the following form:
y=kx
Where k is the proportionality constant.
You can find k given the information in the problem:
7=3k
k=3/7
You can now find y when x=7 as follows:
y=(7*3)
Values can be substituted. Then:
y=(7*7)/3
y=49/3
If y varies directly from x, then the value of y = 49/3 when x = 7.
If y varies directly from x, we can write its relationship in the form of the equation below :
y = m*x
Where m is the slope of the line on the graph.
From the given data:
y=7
x=3,
We can substitute these values in the above equation and find m :
7 = m*3
m = 7/3
So, the equation can also be written as follow:
y = 7/3 x
Finding y when x=7, then substituting the x value in the above equation we get:
y = (7/3)*(7)
y = 49/3
Therefore the value of the y = 49/3.
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(8x - 12) = (3x + 5)
Answer:
x = [tex]\frac{17}{5}[/tex]
Step-by-step explanation:
(8x - 12) = (3x + 5) ← remove parenthesis
8x - 12 = 3x + 5 ( subtract 3x from both sides )
5x - 12 = 5 ( add 12 to both sides )
5x = 17 ( divide both sides by 5 )
x = [tex]\frac{17}{5}[/tex]
or x = 3.4 ( in decimal form )
daisy has the following production possibilities frontier per week. her resource is 5 lbs of flour. note: you will use this ppf to answer the next several questions. given daisy's ppf, the following production combo, 9 pies and 8 tarts is
The following question is incomplete.
Please complete the question so it can be answered.
Without the actual Production possibility frontier table or chart we cannot determine the exact quantities.
However, based on the information provided, we can determine that the production combo of 9 pies and 8 tarts is a point on Daisy's PPF.
This means that Daisy can produce 9 pies and 8 tarts per week using her available resources of 5 lbs of flour.
To fully analyze production possibilities of Daisy, we would need to see her complete PPF, which would show all possible combinations of pies and tarts that she could produce with her resources.
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I really need help with this
As Hannah want to arrange the 4 cereal boxes from least to greatest weight, the correct arrangement will be: "Oaties, Bran Flakes, Corn Cornes, Big O's". The Option C is correct.
What is arrangement of weight from least to greatest?Arranging weights from least to greatest is a common task in various situations, such as when weighing ingredients for a recipe or when sorting objects by weight.
To accomplish this, one needs to compare the weights of the objects and order them accordingly. A simple approach is to use a weighing scale to measure the weights accurately and write them down.
The correct arrangement of "Oaties, Bran Flakes, Corn Cornes, Big O's" is correct because they have the weights of 451.5, 453.6, 453.8 and 458.2 respectively.
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an 8 foot ladder is leaning against a wall. the top of the ladder is sliding down the wall at the rate of 2 ft per second. how fast is the bottom of the ladder moving along the ground at the point in time when the botto of the ladder is 4 feet from the wall
The bottom of the ladder is moving at a rate of 4/3 ft per second.
To solve the problem, we can use the Pythagorean Theorem:[tex]$x^2 + y^2 = 64$[/tex], where x is the distance from the wall to the bottom of the ladder and y is the length of the ladder. We differentiate this equation with respect to time t and use the chain rule to get [tex]$\frac{d}{dt} (x^2 + y^2) = \frac{d}{dt} 64$[/tex]
Simplifying, we get
[tex]$2x \frac{dx}{dt} + 2y \frac{dy}{dt} = 0$[/tex]
When the bottom of the ladder is 4 feet from the wall, we have x = 4 and y = 8, so we can substitute these values into our equation and solve for [tex]$\frac{dx}{dt}$[/tex]:
[tex]$2(4)\frac{dx}{dt} + 2(8)(-2) = 0$[/tex]
[tex]$\frac{dx}{dt} = \frac{16}{8} = \frac{4}{3}$[/tex]
Therefore, the bottom of the ladder is moving at a rate of [tex]$\frac{4}{3}$[/tex] ft/s.
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Please answer my question by the way the number 4 and 5 is FOIL.
Using FOIL method for the multiplication, we have:
1: 3x (5x - 4) = 15x² - 12x
2: x²(5x² + 3y + 1) = 5x⁴ + 3x²y + x²
3: (4x + 3)(4x -5) = 16x² - 8x - 15
4: (7x - 3)(4x - 5) = 28x² - 47x + 15
How to carry out multiplication using FOIL?
FOIL is an acronym that stands for "First, Outer, Inner, Last". It is a mnemonic device that is commonly used to remember the process of multiplying two binomials.
No. 1
3x (5x - 4) = 3x*5x + 3x*(-4)
= 15x² - 12x
No. 2
x²(5x² + 3y + 1) = x²*5x² + x²*3y + x²*1
= 5x⁴ + 3x²y + x²
No. 3
(4x + 3)(4x -5) = 4x(4x-5) + 3(4x-5)
= 4x*4x + 4x*(-5) + 3*4x + 3*(-5)
= 16x² - 20x + 12x - 15
= 16x² - 8x - 15
No. 4
(7x - 3)(4x - 5) = 7x(4x - 5) - 3(4x - 5)
= 7x*4x + 7x*(-5) - 3*4x - 3*(-5)
= 28x² - 35x -12x + 15
= 28x² - 47x + 15
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John and his family are going on vacation. They travel 137.5 miles in 2.5 hours. What is the average miles per hour that they travel?
The average miles per hour that John and his family travel is 55 mph.
What is the average annual mileage?American drivers now log a total of 14,263 miles in a single year on average. Around 1,200 miles are driven per month on average, according to this information.
We must divide the whole distance travelled by the total time taken by John and his family in order to determine their average miles per hour:
Total distance x Total time equals average speed.
In this instance, their total journey distance was 137.5 miles, and their total travel duration was 2.5 hours. Hence, we can enter the following values into the formula:
Average speed = 137.5 miles / 2.5 hours
137.5 divided by 2.5 results in:
Average speed is 55 miles per hour.
John and his family therefore travel at an average speed of 55 mph.
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57% of people in state prisons for drug offenses in the us are african american. what percentage of illicit drug users in the us are african american?
The percentage of illicit drug users in the US are African American is a. 14%
According to data from the National Survey on Drug Use and Health, in 2019, 14.5% of African Americans reported using illicit drugs in the past month, compared to 12.4% of the overall population. While African Americans are overrepresented in state prisons for drug offenses, they do not use drugs at a significantly higher rate than other racial and ethnic groups.
It's important to note that drug use is a complex issue with many social and economic factors at play. It's crucial to approach drug use and addiction with a public health perspective that prioritizes prevention, treatment, and harm reduction over punitive criminal justice approaches.
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Your question is incomplete, but probably the complete question is :
57% of people in state prisons for drug offenses in the US are African American. What percentage of illicit drug users in the US are African American?
a. 14%
b. 28%
c. 42%
d. 56%
equivalent fractions for 7/12 and 5/6
Answer:
14/24, 21/36, 28/48, 35/60, 42/72, 49/84, 56/96 are equivalent fractions of 7/12.
10/12, 15/18, 20/24, 25/30. are equivalent fractions of 5/6
Step-by-step explanation:
A candy store uses 10. 3 grams of sugar each hour. How many grams of sugar will the store use in 10 hours?
The candy store will use 103 grams of sugar in 10 hours.
To find out how many grams of sugar the store will use in 10 hours, we can simply multiply the amount of sugar used in one hour (10.3 grams) by the number of hours (10).
To solve the problem, we use a simple multiplication formula: the amount used per hour (10.3 grams) multiplied by the number of hours (10) to find the total amount of sugar used in 10 hours.
We can interpret this problem using a rate equation: the rate of sugar usage is 10.3 grams/hour, and the time period is 10 hours. Multiplying the rate by the time gives the total amount of sugar used.
So the calculation would be:
10.3 grams/hour x 10 hours = 103 grams
Therefore, the candy store will use 103 grams of sugar in 10 hours.
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The mapping diagram represents a relation where x represents the independent variable and y represents the dependent variable. Is the relation a function? Explain. Yes, because for each input there is exactly one output Yes, because for each output there is exactly one input No, because for each input there is not exactly one output No, because for each output there is not exactly one input
Answer:No
Step-by-step explanation:
Because each X is an input, this means that Y is obviously the output.
In order for a set of data, there must ALWAYS be one output for every input, no more, no less. Because this particular set of data has multiple Y values with respect to different X values, this is not a function. Your correct answer is "No, because for each input there is not exactly one output."
4. George sails his boat 3.7 miles from the dock at the mainland to Paradise Island. From Paradise Island, a 72 degree angle is formed between the dock at the mainland and shipwreck rock. If the distance between Shipwreck rock and the dock is 5.6 miles, approximately how far does George need to sail from paradise island to reach shipwreck rock?
George needs to sail close to 3.7 miles from Paradise Island to reach Shipwreck Rock.
How do we calculate?Applying the law of cosines:
c^2 = a^2 + b^2 - 2ab cos(C)
where:
c = the unknown distance
a = 3.7 miles (distance from the dock at the mainland to Paradise Island)
b = 5.6 miles (distance from the dock at the mainland to Shipwreck Rock)
C = 72 degrees (angle formed between the dock at the mainland and Shipwreck Rock)
The we convert the angle from degrees to radians:
72 degrees = (72/360) * 2π radians = 1.2566 radians (approx.)
Substituting the values into the formula and solving for c:
c^2 = 3.7^2 + 5.6^2 - 2(3.7)(5.6)cos(1.2566)
c^2 = 13.69
c ≈ 3.7 miles
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There is exactly 111 pair of parallel sides in the following shape.what is the area of the shape? \text{ units}^2 units 2 start text, space, u, n, i, t, s, end text, squared
Therefore, the answer is not possible to determine without additional information.
There are exactly 111 pair of parallel sides in the shapeTo find:
Area of the shape Formula used:Area of the parallelogram= base × height Explanation: We know that the parallelogram has two pairs of parallel sides. Since we are given that there are 111 pairs of parallel sides in the shape, we can infer that there are 55.5 parallelograms.
But the problem does not specify whether these parallelograms are of the same size or not. Hence we do not know if they will form a single shape or multiple shapes.In the absence of the above information, we cannot determine the area of the shape.
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Consider the expression (x2−9)(x+4). Select all the values of x for which (x2−9)(x+4)=0
Answer:
X= 567890
Step-by-step explanation:
Answer:
See below, please.
Step-by-step explanation:
Using the zero product property, we can set each factor equal to zero and solve for x:
(x² - 9)(x + 4) = 0
(x² - 9) = 0 or (x + 4) = 0
For the first factor, we can factor it further as the difference of squares:
(x + 3)(x - 3) = 0
So, either (x + 3) = 0 or (x - 3) = 0, giving us:
x = -3, x = 3, or x = -4
Therefore, the values of x for which (x² - 9)(x + 4) = 0 are -3, 3, and -4.