The equation defines a linear function is A y = 2x/4 + 12
Which equation defines a linear function?A y = 2x/4 + 12 is the equation that defines a linear function because it can be simplified to y = 1/2x + 12,
Which has a constant slope of 1/2 and a constant rate of change.
The other options are not linear functions because they involve exponents or do not have a constant slope.
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A cat darts around a room chasing a ball. The cat first travels along the vector <-1,2> and then chases the ball along the vector <2,-6>. The cat darts after the ball 1.5 times along the vector <4,3>. This is where the cat catches the ball and chews on it. What vector describes the cat’s final position? Show all your work.
The vector describing the cat's final position is <7,0.5>.
How to explain the vectorThe cat first travels along the vector <-1,2> and then chases the ball along the vector <2,-6>. So the cat's position after these two movements is:
<-1,2> + <2,-6> = <1,-4>
The cat's position after this movement is:
1.5 * <4,3> = <6,4.5>
Finally, we add this vector to the cat's previous position to find its final position:
<1,-4> + <6,4.5> = <7,0.5>
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I need help on this question please help.
The density of the wooden cube is 0.638 g/cm³. The type of wood the cube is made of is ash.
How to find the density of object?The wooden cube has a edge length of 6 centimetres and a mass of 137.8 grams.
The density of the wood can be calculated as follows:
density = mass / volume
volume of the wood = l³
where
l = lengthTherefore,
volume of the wood = 6³
volume of the wood = 216 cm³
density of the wood = 137.8 / 216
density of the wood = 0.63796296296
density of the wood = 0.638 g/cm³
Therefore, the cube wood is made of ash.
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The volume of a box in the shape of a
rectangular prism can be represented by
the polynomial 8x² + 44x + 48, where x is
a measure in centimeters. Which of these
measures might represent the dimensions
of the box?
The possible dimensions of the rectangular prism are (2x + 3) cm, (x + 4) cm, and 4 cm, or (2x + 3) cm, 4 cm, and (x + 4) cm, where x is a measure in centimeters.
The polynomial 8x² + 44x + 48 represents the volume of a rectangular prism in cubic centimeters, where x is a measure in centimeters.
To find the possible dimensions of the box, we need to factor the polynomial into three factors that represent the length, width, and height of the rectangular prism.
First, we can factor out the greatest common factor of the polynomial, which is 4:
8x² + 44x + 48 = 4(2x² + 11x + 12)
Next, we can factor the quadratic expression inside the parentheses:
2x² + 11x + 12 = (2x + 3)(x + 4)
Therefore, the polynomial can be factored as:
8x² + 44x + 48 = 4(2x + 3)(x + 4)
This means that the dimensions of the rectangular prism could be (2x + 3), (x + 4), and 4, where x is a measure in centimeters. Alternatively, the dimensions could be (2x + 3), 4, and (x + 4).
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A. Use the AA Similarity Theorem in writing an if-then statement to describe the illustration
or in completing the figure based on the if-then statement.
R
Н.
If:
P
Then:
AHEY
The AA Similarity Theorem states that if two angles of one triangle are congruent to two angles of another triangle, then the triangles are similar. We can complete the figure by drawing a line segment of length 10.5 from point A to point H.
Using this theorem, we can write the following if-then statement to describe the given illustration:
If angle RH is congruent to angle A and angle NH is congruent to angle E, then triangle PHN is similar to triangle AHE.
This means that the corresponding sides of these triangles are proportional to each other. We can use this information to complete the figure by finding the length of side AH.
Since triangle PHN is similar to triangle AHE, we can set up the following proportion:
PH/AH = HN/HE
We know that PH = 6 and HN = 8, and we want to find AH. Let x represent the length of AH.
6/x = 8/14
Cross-multiplying gives us:
6 * 14 = 8 * x
Simplifying:
84 = 8x
Dividing both sides by 8:
x = 10.5
Therefore, we can complete the figure by drawing a line segment of length 10.5 from point A to point H.
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Here are the numbers of calls received at a customer support service during 8 randomly chosen, hour-long intervals.
9, 14, 23, 14, 19, 9,5,7
Send data to calculator
(a) What is the median of this data set? If your answer is not 0
an integer, round your answer to one decimal place.
(b) What is the mean of this data set? If your answer is not an
integer, round your answer to one decimal place.
(c) How many modes does the data set have, and what are
their values? Indicate the number of modes by clicking in the
appropriate circle, and then indicate the value(s) of the
mode(s), if applicable.
0
OO
zero modes
O one mode: 0
two modes:
and
a) The median of the dataset is: 11.5
b) The mean of the dataset is: 12.5
c) The mode of the dataset is: 9 and 14
How to find the mean, median or mode?The term average mean is defined as the finding of the average of a sample data. Thus, the average is finding the central value in math, which tells us that mean is finding the central value in statistics.
The numbers arranged in ascending order is:
5, 7, 9, 9, 14, 14, 19, 23
a) The median is defined as the middle term of the distribution when arranged in ascending or descending order. Thus, the median here is:
(9 + 14)/2 = 11.5
b) The mean of the data is expressed as:
(5 + 7 + 9 + 9 + 14 + 14 + 19 + 23)/8
= 12.5
c) The mode is the most frequently occurring term in the data.
In this case, the mode is 9 and 14
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Cuánto interés ganará lesli si presta l 5000 a pagar en 3años? al:5%simple anual. 10%simple anual. 5%compuesto anual
Lesli ganará $750 de interés si presta $5000 a pagar en 3 años al 5% de interés simple anual.
How much interest will Leslie earn if she lends $5000 to be paid back in 3 years at a simple annual interest rate of 5%, 10%, and a compound annual interest rate of 5%?Para calcular el interés que ganará Leslie en diferentes escenarios, consideraremos los siguientes casos:
A) Tasa simple anual del 5%:
El interés simple se calcula multiplicando el capital prestado por la tasa de interés y el tiempo en años.
Interés = Capital x Tasa x Tiempo
Interés = 5000 x 0.05 x 3 = $750
B) Tasa simple anual del 10%:
De manera similar al caso anterior, el interés se calcula como:
Interés = 5000 x 0.10 x 3 = $1500
C) Tasa compuesta anual del 5%:
En el caso de la tasa de interés compuesta, los intereses se acumulan en cada período. La fórmula para calcular el monto total es:
Monto = Capital x (1 + Tasa)^Tiempo
Monto = 5000 x (1 + 0.05)^3 = $5788.75
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A buyer purchases a 2022 Jeep Grand Wagoneer Series III for $109,000 and a 2023 Cadillac Escalade V for $149,000. How much money will he spend a year for car payments?
The amount of money that he will spend a year for car payment would be = $258,000
How to calculate the total amount of money that will be spent of car payments?To calculate the amount of money that will be used for car payment the following is carried out.
The cost for purchasing 2022 Jeep Grand Wagoneer Series III = $109,000
The cost for purchasing a 2023 Cadillac Escalade V = $149,000
The total amount spent of car payments = 109000+149000
= $258,000
Therefore, the buyer will spend up to $258,000 a year for car payment when the price for both cars he bought is being summed up.
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Find the absolute maximum value on (0, [infinity]) forf(x)=4x−2xlnx.
The absolute maximum value on (0, ∞) for f(x) = 4x - 2x ln x is approximately 2e (5.436), which occurs at x = e.
To find the absolute maximum value on (0, ∞) for the function f(x) = 4x - 2x ln x, we need to follow these steps:
1. Determine the critical points of the function by finding its first derivative and setting it equal to zero.
2. Check the critical points for the maximum value.
3. Verify the behavior at the boundary of the interval (0, ∞).
Step 1: Find the first derivative of f(x).
f(x) = 4x - 2x ln x
f'(x) = d/dx (4x) - d/dx (2x ln x)
Using the product and constant rules, we get:
f'(x) = 4 - 2(ln x + 1)
Step 2: Set the first derivative equal to zero to find the critical points.
4 - 2(ln x + 1) = 0
2(ln x + 1) = 4
ln x + 1 = 2
ln x = 1
Solving for x:
x = e^1
x = e (approximately 2.718)
Step 3: Check the behavior at the boundaries.
As x approaches 0 from the right, ln x approaches negative infinity, making the term -2x ln x approach infinity. Since the interval is (0, ∞), we only need to consider the behavior as x approaches ∞. As x goes to infinity, both 4x and -2x ln x will also go to infinity. However, -2x ln x will increase at a slower rate compared to 4x, so f(x) will approach infinity.
Now, we need to check the value of f(x) at the critical point x = e:
f(e) = 4e - 2e ln e
f(e) = 4e - 2e(1)
f(e) = 2e (approximately 5.436)
Thus, the absolute maximum value on (0, ∞) for f(x) = 4x - 2x ln x is approximately 5.436, which occurs at x = e.
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On a certain map, 0.4" represents 2 miles. If the actual distance between point A and point B is 8
miles, what is the distance in inches between point A and B on the map?
(A) 0.8"
(B) 1.6"
(C) 2"
(D) 2.4"
(E) 3.6"
Answer:
B
Step-by-step explanation:
0.4 inches = 2 miles
x inches = 8 miles
Cross multiplication:
0.4 * 8 = 2 * x
3.2 = 2x
x = 1.6''
PLEASE HELP!!
A sprinkler sprays water in a circle. The distance from the sprinkler to the outer edge of the circle is 2. 5 m.
What is the approximate area that is watered by the sprinkler? (Use 3. 14 as an estimate for It. )
The approximate area that is watered by the sprinkler, we need to use the formula for the area of a circle, which is A = πr^2, where A is the area, π is a constant equal to approximately 3.14, and r is the radius of the circle.
In this case, we are given that the distance from the sprinkler to the outer edge of the circle is 2.5 m, which is the radius of the circle. Therefore, we can substitute this value into the formula and get:
A = [tex]3.14 x 2.5^2[/tex]
A =[tex]19.625 m^2[/tex]
So, the approximate area that is watered by the sprinkler is 19.625 square meters. This means that any plants, grass or other vegetation within this area will receive water from the sprinkler.
It is important to note that this is only an approximation since the shape of the watered area may not be a perfect circle and the sprinkler may not spray water evenly in all directions.
Additionally, the amount of water sprayed by the sprinkler and the time it takes to water the area will also affect the actual amount of water received by the plants.
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A system of linear inequalities is shown
below. Which of the following points are
solutions of the system?
8x + 5y > 40
-6x +2y >_-18
The points (0,10) and (-8,4) are solutions of the system of inequalities.
Define system of inequalityA system of inequalities refers to a set of two or more inequalities that are graphed together on the same coordinate plane. Each inequality in the system represents a region in the plane where the solution to that inequality lies.
To determine if a point is a solution of the system of inequalities, we need to check if it satisfies both inequalities. Let's check each point given:
(4,6):
8(4) + 5(6) = 47 > 40 (true)
-6(4) + 2(6) = -14 ≥ 18 (false)
(9,8):
8(9) + 5(8) = 97 > 40 (true)
-6(9) + 2(8) = -40 ≥ 18 (false)
(0,10):
8(0) + 5(10) = 50 > 40 (true)
-6(0) + 2(10) = 20 ≥ 18 (true)
(5,-6):
8(5) + 5(-6) = 34 > 40 (false)
-6(5) + 2(-6) = -30 ≥ 18 (false)
(-1,-8):
8(-1) + 5(-8) = -44 ≤ 40 (false)
-6(-1) + 2(-8) = 10 ≥ 18 (false)
(-8,4):
8(-8) + 5(4) = -24 ≤ 40 (true)
-6(-8) + 2(4) = 52 ≥ 18 (true)
Therefore, the points (0,10) and (-8,4) are solutions of the system of inequalities.
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Which of the following is the graph of y = StartFraction 1 Over x + 2 EndFraction + 1?
Based on the information provided, the one that is the correct graph is "On a coordinate plane, 2 curves are shown. Both curves have an asymptote at x = 2..." (option 2).
How to identify the correct graph?The graph of y = StartFraction 1 Over x + 2 EndFraction + 1 is the second option described: On a coordinate plane, 2 curves are shown. Both curves have an asymptote at x = 2. One curve opens up and to the right in quadrants 1 and 4. It crosses the x-axis at (3, 0). The other curve opens down and to the left and it crosses the y-axis at (0, negative 1.5).
This graph has a vertical asymptote at x = 2 and a horizontal asymptote at y = 1. It is a hyperbola that opens up and to the right in quadrants 1 and 4. The curve crosses the x-axis at x = 3, which means that when y = 0, x = 3. The other curve opens down and to the left and it crosses the y-axis at y = -1.5, which means that when x = 0, y = -1.5.
Note: This question is incomplete; here is the complete question:
Which of the following is the graph of y = StartFraction 1 Over x + 2 EndFraction + 1?
On a coordinate plane, 2 curves are shown. Both curves have an asymptote at x = 2. One curve opens up and to the right in quadrant 1. The other curve opens down and to the left and it crosses the x-axis at (1, 0).
On a coordinate plane, 2 curves are shown. Both curves have an asymptote at x = 2. One curve opens up and to the right in quadrants 1 and 4. It crosses the x-axis at (3, 0). The other curve opens down and to the left and it crosses the y-axis at (0, negative 1.5).
On a coordinate plane, 2 curves are shown. Both curves have an asymptote at x = negative 2. One curve opens up and to the right in quadrants 1 and 2. It crosses the y-axis at (0, 1.5). The other curve opens down and to the left and it crosses the x-axis at (negative 3, 0).
On a coordinate plane, 2 curves are shown. Both curves have an asymptote at x = negative 2. One curve opens up and to the right in quadrants 1, 2, and 4. It crosses the x-axis at (negative 1, 0). The other curve opens down and to the left in quadrant 3.
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the acme company manufactures widgets. the distribution of widget weights is bell-shaped. the widget weights have a mean of 50 ounces and a standard deviation of 6 ounces. use the standard deviation rule, also known as the empirical rule. suggestion: sketch the distribution in order to answer these questions. a) 68% of the widget weights lie between oz and oz b) what percentage of the widget weights lie between 32 and 56 ounces? % c) what percentage of the widget weights lie below 62
Answer: this is the answer
Step-by-step explanation:
the acme company manufactures widgets. the distribution of widget weights is bell-shaped. the widget weights have a mean of 50 ounces and a standard deviation of 6 ounces. use the standard deviation rule, also known as the empirical rule. suggestion: sketch the distribution in order to answer these questions. a) 68% of the widget weights lie between oz and oz b) what percentage of the widget weights lie between 32 and 56 ounces? % c) what percentage of the widget weights lie below 62
Determine whether or not the given set is (a) open, (b) connected, and (c) simply-connected
A. {(x, y) | 0 < y < 3} B. {(x, y) |1
For set A, (a) it is not open, (b) it is connected, and (c) it is simply-connected. For set B, (a) it is open, (b) it is not connected, and (c) it is not simply-connected.
(a) For set A, any neighborhood around the point (0,3) will contain points outside the set, so it is not open. For set B, any point can be contained in a small ball that is entirely contained in the set, so it is open.
(b) For set A, any two points can be connected by a path within the set, so it is connected. For set B, the set consists of two disjoint open disks, so it is not connected.
(c) For set A, any loop in the set can be continuously shrunk to a point within the set, so it is simply-connected. For set B, there exists a loop that cannot be continuously shrunk to a point within the set (the loop that surrounds the hole in the middle), so it is not simply-connected.
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Find the area inside the square and outside the circle use 3.14 for pi. please help
The area inside the square and outside the circle is 0.86 square units.
To find the area inside the square and outside the circle, we need to first find the area of the square and the area of the circle.
Let's assume that the square has sides of length 2 units, which means its area is:
Area of square = side^2 = 2^2 = 4 square units
Now, let's assume that the circle has a radius of 1 unit, which means its area is:
Area of circle = pi * radius^2 = 3.14 * 1^2 = 3.14 square units
To find the area inside the square and outside the circle, we need to subtract the area of the circle from the area of the square:
Area inside square and outside circle = Area of square - Area of circle
= 4 - 3.14
= 0.86 square units
Therefore, the area inside the square and outside the circle is 0.86 square units.
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consider light falling on a single slit, of width 1.2 μm, that produces its first minimum at an angle of 32.3°. randomized variables θ = 32.3° w = 1.2 μm
The wavelength of the light is approximately 0.687 μm.
Using the single slit diffraction formula, we have:
sin θ = (mλ) / w
where m is the order of the minimum, λ is the wavelength of the light, and w is the width of the slit.
We can rearrange the formula to solve for the wavelength of the light:
λ = (w sin θ) / m
Plugging in the given values, we get:
λ = (1.2 μm)(sin 32.3°) / 1 = 0.687 μm
Therefore, the wavelength of the light is approximately 0.687 μm.
The wavelength is the distance between two consecutive peaks or troughs in a wave. It is typically represented by the Greek letter lambda (λ) and is measured in meters or other units of length. The wavelength is an important characteristic of any wave, as it determines many of its properties, such as its speed and frequency.
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Janice bought a new car. the total amount she needs to borrow is $35,000 . she plans on taking out a 5-year loan at an apr of 4%. what is the monthly payment ?
Janice's monthly payment for her 5-year, 4% APR car loan would be $626.38.
To calculate Janice's monthly payment, we first need to use the formula for calculating loan payments:
Loan Payment = Loan Amount / Discount Factor
The discount factor can be calculated using the following formula:
Discount Factor = [(1 + r)ⁿ] - 1 / [r(1 + r)ⁿ]
Where r is the monthly interest rate (4% divided by 12 months = 0.00333) and n is the total number of payments (5 years x 12 months = 60).
Plugging in the values, we get:
Discount Factor = [(1 + 0.00333)⁶⁰] - 1 / [0.00333(1 + 0.00333)⁶⁰] = 55.8389
Now, we can calculate Janice's monthly payment:
Loan Payment = $35,000 / 55.8389 = $626.38
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In a game show, players play multiple rounds to score points. Each round has 5 times
as many points available as the previous round.
An equation shows the number of points available, p, in round n of the game show is p=20·5ⁿ. Therefore, option D is the correct answer.
The given geometric sequence is 20, 100, 500, 2500,...
Here, a=20
Common ratio (r) = 100/20 = 5
The formula to find nth term of the geometric sequence is [tex]a_n=ar^n[/tex]. Where, a = first term of the sequence, r= common ratio and n = number of terms.
Here, aₙ=20·5ⁿ
Therefore, option D is the correct answer.
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The change in water level of a lake is shown in the table. How much did the water level change between Weeks 2 and 3?
The rate of change for the water level between Weeks 2 and 3 is: D. 3 7/8.
How to calculate or determine the rate of change or slope of a line?In Mathematics and Geometry, the gradient, rate of change, or slope of any straight line can be determined by using the following mathematical equation;
Rate of change (slope) = (Change in y-axis, Δy)/(Change in x-axis, Δx)
Rate of change (slope) = rise/run
Rate of change (slope) = (y₂ - y₁)/(x₂ - x₁)
By substituting the given data points into the formula for the slope of a line, we have the following;
Rate of change (slope) = (y₂ - y₁)/(x₂ - x₁)
Rate of change (slope) = (1 5/8 + 2 1/4)/(3 - 2)
Rate of change (slope) = (13/8 + 9/4)/(1)
Rate of change (slope) = 3 7/8
Based on the table, the rate of change is the change in y-axis with respect to the x-axis and it is equal to 3 7/8.
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Please help and make sure to explain. Brainliest will be given to best answer before 7:00am EST April 27. If no answer is good then no brainliest.
Joey forgot to record approximately 9,412 views after the second month.
How to explain the regressionUsing a regression calculator, we find that the equation that best models the data is:
y = 4298.76x + 809.72
The coefficient of determination (R-squared value) for this regression is 0.994, indicating a strong linear relationship between the number of months and the total number of views.
We need to find the value of y for x = 2, using the regression equation we found in part a:
y = 4298.76(2) + 809.72
y ≈ 9412.24
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A dart has a circumference of 26\pi(pi symbol)calculate the total area on which the dart may land
The total area on which the dart may land is 530.93 square units
How to find the area of the dartThe dart is a circle and hence the calculations will be accomplished using formula pertaining to a circle.
The circumference of a circle (dart) is given by the formula below
C = 2 * π * r
where
C is the circumference
π = pi is a constant term and
r is the radius.
26π = 2πr
Dividing both sides by 2π, we get:
r = 13
Area of the dart (circle)
A = πr²
A = π * (13)²
A = 169π (in terms of pi)
A = 530.93 square units (to 2 decimal place)
Therefore, the total area on which the dart may land is 169π square units.
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Find the distance between the pair of points.
(1, 1) and (1, −4)
the distance between the pair of points is
____units.
q2.find the coordinates of the point for the reflection.
(4, 6.2) across the y-axis
the coordinates of the reflection are
The distance between the points (1, 1) and (1, -4) is 5 units and the reflection of the coordinate points is (-4, 6.2).
(a) We need to find the length between the pair of points which are (1, 1) and (1, −4). It can be determined by using the distance formula. The formula to find the distance between two points (x1, y1) and (x2, y2) is given as,
[tex]d = √(x2−x1)²+(y2−y1)²[/tex]
Given data:
The first points are = (1, 1)
second points are =(1, −4)
Substituting the first and second values into the distance formula, we get:
= √(1−1)²+(−4−1)²
= √0+(−5)²
= √25
= 5
Therefore, The distance between the points (1, 1) and (1, -4) is 5 units.
(b )We need to find the reflection of the coordinate point. According to the reflection rule when a point is reflected across the y-axis, the x-coordinate changes sign while the y-coordinate remains the same. The reflected point will be,
= (x, y) = (-x, y).
Given Data:
Coordinate points = (4, 6.2)
According to the rule, it is given as:
= (4, 6.2)
= (-4, 6.2)
Therefore, the reflection of the coordinate points is (-4, 6.2)
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Is 11:15 to 12:15 a hour or 30 minutes
Answer:
It’s an hour
Answer:
11:15 to 12:15 is 1 hour.
11:15 is 1 hour and 15 minutes after 10:00. 12:15 is 1 hour and 15 minutes after 11:00. Therefore, the time span between 11:15 and 12:15 is 1 hour.
Step-by-step explanation:
Camila empieza a jugar un video juego que tiene 840 niveles. La primera semana, supera 16
parte de los niveles; la segunda semana, 14
de lo que le hace falta y la tercera, 45
de los niveles que le hacían falta por superar.
Si en la cuarta semana Camila pretende terminar el juego, ¿cuántos niveles debe superar?
A.
95
B.
105
C.
182
D.
420
The amount of levels left at the end is 105.
How many levels Camila needs to complete?There is a total of 840 levels in the game.
On the first day she completes 1/6 of the total, so she completes:
840/6 = 140
The remaining is 840 - 140 = 700
Then she completes 1/4 of that, which is:
(1/4)*700 = 175
So now she has left 700 - 175 = 525
Then she completes 4/5, so she does:
(4/5)*525 = 420
The amount left is: 525 - 420 = 105
The correct option is B.
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help me please i legit need help with pythagorean theorm
Answer:
1. [tex]9^{2} + 12^2 = 15^2\\81+144=225[/tex]
What is the radius of the circle x2+y–
3
4
2=144?
The radius of the circle x^2 + (y - 3/4)^2 = 144 is 12 units
What is the radius of the circleFrom the question, we have the following parameters that can be used in our computation:
x^2 + (y - 3/4)^2 = 144
As a general rule, the equation of a circle is represented as
(x - a)^2 + (y - b)^2 = r^2
Where
Radius = r
Using the above as a guide, we have the following:
r^2 = 144
SO, we have
r = 12
Hence , the calculated value of the radius is 12 units
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Joshua is building a model airplane that measures 45 inches. The measurements of the model can vary by as much as 0. 5 inches.
PART 2: Solve the equation to find the minimum and maximum measurements. Round to the nearest tenth if necessary
The minimum measurement is 44.5 inches and the maximum measurement is 45.5 inches.
Joshua is building a model airplane. Solve the equation to find the minimum and maximum measurements of the airplane.To find the minimum and maximum measurements of Joshua's model airplane, we need to subtract and add 0.5 inches to the given length of 45 inches, respectively.
Minimum measurement:
45 - 0.5 = 44.5 inches
Maximum measurement:
45 + 0.5 = 45.5 inches
Therefore, the minimum measurement is 44.5 inches and the maximum measurement is 45.5 inches.
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Alleen can read 1. 5 pages for every page her friend can read. Alleen's mom was very excited and she said to Alleen: "So, if your friend reads 20 pages, you can read 25 in the same time period!" Is Alleen's mom correct?
Alleen's mom is not correct because if her friend reads 20 pages, she can read 30 pages in the same time period.
To answer this question, we need to use the terms "ratio" and "proportion". The given ratio of Alleen's reading speed to her friend's speed is 1.5:1. If Alleen's friend reads 20 pages, we can use proportion to find how many pages Alleen can read:
1.5 / 1 = x / 20
To solve for x (the number of pages Alleen reads), we can cross-multiply:
1.5 * 20 = 1 * x
30 = x
So, if Alleen's friend reads 20 pages, Alleen can read 30 pages in the same time period.
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Write the formula that shows the dependence of the edge length a on the volume V of a cube.
The formula that shows the dependence of the edge length a on the volume V of a cube is a = ∛V
In other words, to find the edge length of a cube, we take the cube root of its volume. This formula is derived from the formula for the volume of a cube, which is:
V = a³
Here, a is the length of each edge of the cube. Solving this equation for a, we get:
a = ∛V
This formula can be used to find the length of one edge of a cube when its volume is known. Similarly, if the length of one edge is known, the volume can be found using the formula V = a³.
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Using composition of functions, determine if the to functions are inverses of each othr. f(x)= square root of x, +4, x>0. g(x) x2-4, x>2.
Using the composition of functions, if the two functions are inverses of each other, therefore, we cannot conclude if f(x) and g(x) are inverses of each other.
To check if the two functions f(x) and g(x) are inverses of each other, we need to verify if their composition f(g(x)) and g(f(x)) results in the identity function f(x) = x.
Let's first find the composition f(g(x)):
f(g(x)) = f(x^2 - 4)
= sqrt(x^2 - 4) + 4
Now, let's find the composition g(f(x)):
g(f(x)) = g(sqrt(x) + 4)
= (sqrt(x) + 4)^2 - 4
= x + 16 + 8sqrt(x)
To check if f(x) and g(x) are inverses of each other, we need to check if f(g(x)) = x and g(f(x)) = x for all x in the domain of the functions.
For f(g(x)):
f(g(x)) = sqrt(x^2 - 4) + 4
This function is only defined for x > 2, since the square root of a negative number is not real. Therefore, the domain of f(g(x)) is (2, infinity).
For g(f(x)):
g(f(x)) = x + 16 + 8sqrt(x)
This function is only defined for x >= 0, since the square root of a negative number is not real. Therefore, the domain of g(f(x)) is [0, infinity).
Since the domains of f(g(x)) and g(f(x)) do not overlap, we cannot check if they are inverses of each other. Therefore, we cannot conclude if f(x) and g(x) are inverses of each other.
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