√48 = 4√3
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Thomas won $16,000 on a game show, and he put all of the money in a checking account (which does not give interest). Each month, he takes $400 out of the account for "spending" money.
The equation that describes this situation is M=16000−400t
, where t
is the time in months since opening the account, and M
is the amount of money left in the account.
In how many months will Thomas empty the account (which means that there will be no money left)?
It will take Thomas 40 months to empty the account if he continues to take out $400 each month of $16,000.
To find out how many months it will take for Thomas to empty the account, we need to set M to 0 and solve for t. This will give us the number of months it will take for Thomas to spend all of the $16,000 he won on the game show. The equation we need to solve is:
0 = 16000 - 400t
First, we'll isolate the variable t on one side of the equation by adding 400t to both sides:
400t = 1600
Next, we'll divide both sides of the equation by 400 to get the value of t:
t = 16000/400
Simplifying the right side of the equation gives us:
t = 40
So, it will take Thomas 40 months to empty the account if he continues to take out $400 each month for spending money.
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Solve 12-5x-4kx=y for x
Answer:
x = - y-12/5+4k
Step-by-step explanation:
Solve 12-5x-4kx=y for x
12-5x-4kx = y for x
substract 12 from both side
-5x-4kx = y-12
Factor of -5x-4kx = -x(5+4k)
-x(5+4k) = y-12
Solve for x
-x = y-12/(5+4k)
Therefore x = - y-12/5+4k
find a power series representation for the function. (give your power series representation centered at x = 0.) f(x)=1/(3 x)
The power series representation for the function is \(f(x) = \sum\limits^{\infty}_{0} {(-\frac x3)^n}\)
How to find the power series for the functionFrom the question, we have the following parameters that can be used in our computation:
f(x) = 1/(3 + x)
Rewrite the function as
\(f(x) = \frac{1}{3(1 + \frac x3)}\)
Expand
\(f(x) = \frac{1}{3(1 - - \frac x3)}\)
So, we have
\(f(x) = \frac{1}{3} * \frac{1}{(1 - (-\frac x3)}\)
The power series centered at x = 0 can be calculated using
\(f(x) = \sum\limits^{\infty}_{0} {r^n}\)
In this case
r = -x/3 i.e. the expression in bracket
So, we have
\(f(x) = \sum\limits^{\infty}_{0} {(-\frac x3)^n}\)
Hence, the power series for the function is \(f(x) = \sum\limits^{\infty}_{0} {(-\frac x3)^n}\)
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Question
Find a power series representation for the function. (give your power series representation centered at x = 0
f(x) = 1/(3 + x)
Identify the function shown in this graph
Answer:
C. y = 2x - 3
Step-by-step explanation:
Let's go through process of elimination!
First, we can see that the line intersects the y-axis at (0,-3), making the y-intercept -3. In the equation y = mx + b, b is the y-intercept. Therefore, we can easily take out A and D as the wrong answers because their b isn't -3.
Next, we should know that a line with a positive slope is going up, and this line, indeed, is going up. B can't be right because the slope is negative, meaning the line would go down. That leaves us with answer C as the correct choice.
Have a lovely rest of your day/night, and good luck with your assignments! ♡
Please help me solve these equations. Very confusing.
Step-by-step explanation:
1A (3,-2)
1B
By substitution
\(4x - 3y = 18 \\ 2x + y = 4 \\ y = 4 - 2x \\ 4x - 3(4 - 2x) = 18 \\ 4x - 12 + 6x = 18 \\ 10x = 30 \\ x = 3 \\ y = 4 - 2(3) \\ y = 4 - 6 = - 2\)
1C
By elimination
\((4x - 3y = 18) -2 \times (2x + y = 4) \\( 4x - 3y = 18) - (4x + 2y = 8) \\ - 5y = 10 \\ y = - 2 \\ 4x - 3 \times ( - 2) = 18 \\ 4x + 6 = 18 \\ 4x = 12 \\ x = 3\)
Find the missing values on the diagram below. Assume that each line is evenly divided. I'm pretty confused on the right side of the number line- anyone understand this???
Answer:
A = 72 B = 50% C = 40%
Step-by-step explanation:
Each space on the bottom is worth 10%.
Each space on the bottom is worth 36.
The values of the equations are solved and a = 72 , b = 50 % and c = 40 %
What is an Equation?Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.
It demonstrates the equality of the relationship between the expressions printed on the left and right sides.
Coefficients, variables, operators, constants, terms, expressions, and the equal to sign are some of the components of an equation. The "=" sign and terms on both sides must always be present when writing an equation.
Given data ,
Let the equation be represented as A
Now , the value of A is
Substituting the values in the equation , we get
On the number line , the values above represents the numbers and the values below represents the percentage pf numbers
So , a = 20 % of the total value of the number line
b = ( 50 - 0 ) % = 50 % of the number line
And , c = 40 % of the number line which is 144
So , 40 % of the total value = 144
Substituting the values in the equation , we get
( 40 /100 ) A = 144
Multiply by 100 on both sides , we get
40A = 14400
Divide by 40 on both sides of the equation , we get
A = 360
So , the total value of the number line is 360
where a = 20 % of the number line
On simplifying the equation , we get
a = ( 20/100 ) 360
a = 20 x 3.6
a = 72
Therefore , a = 72 , b = 50 % and c = 40 %
Hence , the equations are solved
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Pls help fast 4. Round each number to the place of the
underlined digit.
a. 10.245 you have to round 2
b. 73.4 you have to round 7
c. 0.145 you have to round 4
d. 3.999 you have to round the first 9
e. 13.023 you have to round 2
f. 45.398 you have to round3
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For a. 10.2,
For b. 70,
For c. 0.15,
For d. 4,
For e. 13.02,
For f. 45.4
Use the graph of the function. Determine Over what interval(s) the function is positive or negative.
Answer:
I can't see the numbers well, but the graph is decreasing from (-inf, minimum) and increasing from (minimum, inf). The minimum is the vertex. Hope this helps!
Step-by-step explanation:
a car is driving around a curve that can be approximated as being circular. in which direction does the centripetal force point?
a. towards the center of the circle b. in the direction of motion c. away from the center of the circle
d. tangential to the circle
e. perpendicular to the plane of the circle
The centripetal force is the force that acts on an object moving in a circular path, directing it towards the center of the circle. option a.
When a car is driving around a curve, the centripetal force is provided by the frictional force between the tires and the road. This force acts inwards, towards the center of the circle, and is responsible for keeping the car moving in a circular path.
The centripetal force is always perpendicular to the direction of motion, so option (b) and (d) can be eliminated.
Additionally, there is no force that acts away from the center of the circle, so option (c) can also be eliminated. Option (e) is not applicable since the question is asking about the direction of the force, not its orientation.
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I plan to run a central composite design in 5 variables, and I want to
save experimental effort. I am considering running a 2^5-1 for the
factorial part of the design, instead of a full factorial. What is your
advice for me about this? That is, does it make sense to you or not?
Assume that I plan to fit a full quadratic model with all main effects, all
two-factor interactions, and all quadratic terms. Justify your answer.
Running a 2⁵-1 central composite design instead of a full factorial design can be a reasonable approach to save experimental effort while still obtaining valuable information.
However, it is important to consider the specific requirements and goals of your study, as well as the potential limitations of the reduced design. The decision should be based on a trade-off between the resources available, the complexity of the system being studied, and the desired level of precision in estimating the quadratic model.
A central composite design is a type of experimental design that combines factorial points with additional center points to estimate a quadratic model with main effects, two-factor interactions, and quadratic terms.
In a full factorial design for 5 variables, there would be 2⁵ = 32 factorial points.
However, if you run a 2⁵-1 design, you would exclude one factorial point, reducing the number of experimental runs to 31.
By doing this, you can save some experimental effort while still obtaining a reasonable estimate of the quadratic model.
The decision to use a reduced design should be based on several factors. Firstly, consider the resources available, including time, cost, and available sample size.
Running a full factorial design may require a larger sample size and more resources, which may not be feasible or necessary in some cases. Secondly, evaluate the complexity of the system being studied.
If the system has many factors and interactions, a full factorial design might be more appropriate to capture the complexity accurately. However, if the system is relatively simple, a reduced design can still provide useful information about the quadratic model.
It is important to note that a reduced design will result in some loss of information compared to a full factorial design. The excluded factorial point represents a specific combination of factor levels that will not be investigated, potentially leading to some uncertainty in estimating the quadratic model parameters.
However, if the design is well-planned and carefully executed, the reduced design can still provide valuable insights and estimates of the quadratic model, especially if the excluded point is not expected to have a significant impact on the response variables of interest.
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Help ASAP I’ll mark as brainlister
Answer:
196
Step-by-step explanation:
diameter is 14. also side of square. so 14 x 14 is answer 14 x 14 is 196.
What is the distance from the tire race to the rope climb?
The distance from tire race to the rope climb is; 80 yards
What is the distance between the two coordinates?The formula for the distance between two coordinates is;
D = √[(y₂ - y₁)² + (x₂ - x₁)²]
We are given the coordinates of tire race and rope climb as;
Tire race = (-40, -30)
Rope climb = (40, -30)
Thus distance between tire race and the rope climb is;
D = √[(-30 - (-30))² + (40 - (-40))²]
D = √(80²)
D = 80 yards
Thus, we conclude that is the distance from tire race to the rope climb.
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Anita borrowed ₹6000 from a bank at 15% interest rate per annum. Find the interest and
amount to be paid at the end of 3 years.
Answer: The interest and amount to be paid at the end of 3 years is Rs.8700
Step-by-step explanation:
let P ,R, T be the Principle amount , Rate of interest and Time
Given that ,P= 6000rs
R= 15%
T=3 years
Interest= PRT÷ 100=6000rs×15r×3t÷100
=2700rs
value to be paid after 3 years = 6000rs+2700rs= 8700rs
How to solve multi step equations
Answer:
x = –2
Step-by-step explanation:
– 6(1+4x) = –x +40
–6 – 24x = –x +40
24x –x = –6 –40
23x= – 46
x= – 46 / 23
x= – 2
I hope I helped you^_^
A new car is purchased for 22300 dollars. The value of the car depreciates at 10.25% per year. What will the value of the car be, to the nearest cent, after 6 years?
Answer:
$11654 approx
Step-by-step explanation:
Given data
Principal amount = 22300 dollars
Rate= 10.25%
time= 6 years
The expression for the decrease is given as
A=P(1-r)^t-----------Note the negative sign is because of the decrease
substitute
A= 22300(1-0.1025)^6
A=22300(0.8975)^6
A=22300*0.5226
A=$11653.98
Hence the new value is $11654 approx
Select the correct answer.
Σ(-)),
Which expression gives the same result as t=0
Answer:
B
Step-by-step explanation:
since 5 is constant so you can take it out from the summation
As a first step in solving the system shown , yumiko multiplied both sides of the equation 2x-3y=12 by 6. By what factor should she multiply both sides of the other equation so that she can add the equations and eliminate a variable
By multiplying Equation 2 by 6, Yumiko ensures that the coefficient of "x" in both equations is 12, allowing her to add the equations and eliminate the "x" variable.
To eliminate a variable when adding the equations, Yumiko needs to multiply both sides of the other equation by a factor that will make the coefficients of one of the variables the same in both equations. Let's consider the system of equations:
Equation 1: 2x - 3y = 12
Equation 2: ax + by = c
Since Yumiko multiplied Equation 1 by 6, it becomes:
6(2x - 3y) = 6(12)
12x - 18y = 72
To eliminate the variable "x" when adding these equations, we need the coefficient of "x" in Equation 2 to be 12. Therefore, the factor by which Yumiko should multiply both sides of Equation 2 is 6.
6(ax + by) = 6(c)
6ax + 6by = 6c
Now, when we add Equation 1 and the modified Equation 2, the "x" terms will eliminate each other:
(12x - 18y) + (6ax + 6by) = 72 + 6c
(12x + 6ax) + (-18y + 6by) = 72 + 6c
(12 + 6a)x + (-18 + 6b)y = 72 + 6c
By multiplying Equation 2 by 6, Yumiko ensures that the coefficient of "x" in both equations is 12, allowing her to add the equations and eliminate the "x" variable.
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note the full question may be:
A carpenter is building a rectangular table with a length of 4 feet and a width of 3 feet. If the carpenter wants to increase the dimensions of the table by a factor of 2, what should be the new length and width of the table?
What is the value of the expression below when z
8 and w
3?
9z-8w
Answer:
48
Step-by-step explanation:
1) 9*8=72
2) 8*3=24
3)72-24=48
Find the volume of a rectangular prism with a length of 6 cm, width of 2 cm and height of 5 cm. What is the volume of the prism
Answer:
60 cm^3
Step-by-step explanation:
The centre of the circle is (3,a) and a point on the circumference is (6,-1). if the radius of the circle is 3 units , find the value of a
Answer: -1
Step-by-step explanation:
The equation cos (35 degree) equals StartFraction a Over 25 EndFraction can be used to find the length of Line segment B C.
Triangle A B C is shown. Angle A C B is a right angle and angle C B A is 35 degrees. The length of C B is a and the length of hypotenuse A B is 25 inches.
What is the length of Line segment B C? Round to the nearest tenth.
14.3 in.
20.5 in.
21.3 in.
22.6 in.
Answer:
B.
Step-by-step explanation:
Dr. Siva walked from home to school, then from the school to the park and then walked back home. What is the displacement? \( 10 \mathrm{~km} \) \( 0 \mathrm{~km} \) \( 2 \mathrm{~km} \) \( 6 \mathrm{
Based on the given options, the displacement could be either 0 km or 6 km, depending on the specific details of Dr. Siva's route.
To determine the displacement, we need to consider the net change in position or the straight-line distance between the initial and final positions. Let's analyze the information given:
Dr. Siva walked from home to school, then from the school to the park, and finally walked back home.
The displacement is not determined by the total distance traveled but rather by the straight-line distance between the starting and ending points. We don't have specific information about the distances or directions between the locations, so we cannot calculate the exact displacement.
However, we can make some assumptions based on the given options:
If the distances from home to school and from the school to the park are the same, and Dr. Siva returns directly from the park back home, the displacement would be 0 km. This implies that the final position is the same as the initial position.
If Dr. Siva walks 10 km from home to school, then 10 km from the school to the park, and finally walks 10 km back home, the displacement would be 0 km. This is because the final position would be the same as the initial position.
If Dr. Siva walks 10 km from home to school, then 2 km from the school to the park, and finally walks 6 km back home, the displacement would be 6 km. This implies that the final position is 6 km away from the initial position in the direction of home.
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factorize = n!+(n-1)!
Answer:
Hello,
Step-by-step explanation:
n! + (n-1)!
=(n-1)! * n+ (n-1)!
=(n-1)! * (n+1)
Solve for X 7x-10=11
Given:
The given equation is,
\(7x-10=11\)Required:
Solve for x.
Answer:
Let us solve the given equation for x.
\(\begin{gathered} 7x-10=11 \\ 7x=11+10 \\ 7x=21 \\ x=\frac{21}{7} \\ x=3 \end{gathered}\)Final Answer:
The value of x is,
\(x=3\)Someone help please, i am so stuck.
Karen is at least 4 years more than twice mary's age (m). Karen is 46 years old. Write a simplified inequality that represents marys age answer
Answer:
46 ≥ 2m + 4
m ≥ 21
Step-by-step explanation:
At least is ≥
Karen's age = 46 years old
Mary's age = m years old
Karen is at least 4 years more than twice mary's age (m).
46 ≥ 2m + 4
46 - 4 ≥ 2m
42 ≥ 2m
m ≥ 42/2
m ≥ 21
Estimate the square root of 19 to the nearest tenths place
What are the best anime jobs that use geometry? i need at least 5
Cinematic layout lead, Technical Assistant, Game Artist, 2D Artist, and Game Producer are the best anime jobs that use geometry.
There are many opportunities for animators to get anime jobs that use geometry as well. In order to demonstrate how an object is rotated or shifted to be made larger or smaller—for the process of producing movement—animators must comprehend the geometrical characteristics of figures and apply linear algebra.
Due to their work with moving and changing objects, animators frequently use a number of mathematical techniques, including geometry, linear algebra, and others. The ability to utilize linear algebra to demonstrate how a certain figure or object is shifted or rotated with the intention of making it smaller or larger is crucial for animators. Movement is produced by this mechanism.
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.
Answer: hello frawn
Step-by-step explanation:
free point dootie head
Use the convolution theorem to obtain a formula for the solution to the given initial value problem, where g(t) is piecewise continuous on (0,00) and of exponential order. y'' +4y=g(t); y(O) = 3, y'(0) = 0 Enter a formula for the solution using v as the convolution variable. y(t)
Given \(y''+4y=g(t)\), and the initial values \(y(0) = 3, y'(0) = 0\), we have to obtain a formula for the solution using the convolution theorem using the variable v.
We first find the Laplace transforms of the given differential equation and the right-hand side using the initial values. \(L{y''} = s²Y(s) - s(0) - y'(0) = s²Y(s)L{y'} = sY(s) - y(0) = sY(s)L{g(t)} = G(s)\)
Now, substituting the Laplace transforms, we have: \(s²Y(s) - 3s + 0 + 4Y(s) = G(s)Y(s) = (1/4+s²)G(s) + 3/s\).
Now, the inverse Laplace transform of the product of F(s) and G(s) is given by:\(f(t) * g(t) = [L⁻¹{F(s)} * L⁻¹{G(s)}]\)
We have: f(t) * g(t) = [L⁻¹{F(s)} * L⁻¹{G(s)}]\(f(t) * g(t) = [L⁻¹{F(s)} * L⁻¹{G(s)}]\)
Therefore, the solution to the given differential equation is given by :\(y(t) = (1/2)∫₀ᵗ g(τ)e^(-2(t-τ))sin(2(t-τ))dτ + 3/2sin(2t)\)
Hence, the formula for the solution using v as the convolution variable is: \(y(t) = (1/2)∫₀ᵗ g(τ)v(t-τ)sin(2v)dv + 3/2sin(2t)\)
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Select the reason why these triangles are
similar. If they are not, select "Not similar."
2
3
4
6
A. AA
B. SAS
C. SSS
D. Not similar
Please help me I’m stuck on this!!!
Answer:
the correct answer is SAS
Step-by-step explanation: