well, we know the downpayment is 20%, so 100% - 20% = 80%, that's the remaining amount, which we know is 14000 bucks, let's say the 20% is really "x" bucks, so
\(\begin{array}{ccll} amount&\%\\ \cline{1-2} 14000 & 80\\ x& 20 \end{array} \implies \cfrac{14000}{x}~~=~~\cfrac{80}{20} \\\\\\ \cfrac{ 14000 }{ x } ~~=~~ 4\implies 14000=4x\implies \cfrac{14000}{4}=x\implies 3500=x\)
whats the value of x??
Answer: x =30
Step-by-step explanation:
see image
For the equation: 2(x - 5) = 9 - 3x + 6 + 8 + 3x + 7 , the right side of the equation can be simplified by combining like terms.
Simplify 9 - 3x + 6 + 8 + 3x + 7 :
2(x - 5) can be simplified using the Distributive Property.
Simplify 2(x - 5):
The value of the equation is x=20.
What is equation?
The definition of an equation in algebra is a mathematical statement that demonstrates the equality of two mathematical expressions. For instance, the equation 3x + 5 = 14 consists of the two equations 3x + 5 and 14, which are separated by the 'equal' sign.
Here the given equation is
=> 2(x-5)=9-3x+6+8+3x+7
Now simplify the equation for x then
=> 2x-10 = 30-3x+3x
=> 2x-10=30
=> 2x=30+10
=> 2x=40
=> x=20
Hence the value of the equation is x=20.
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The regular price of a scooter is $65.50. It is on sale for $52.40. What is the percent
decrease from the regular price to the sale price of the scooter?
Answer:
20%
Step-by-step explanation:
First we find the actual dollar amount of the discount.
$65.50 - $52.40 = $13.10
Now we need to find what percent of $65.50 is $13.10.
To find what percent a part is of the whole, divide the part by the whole and multiply by 100%.
percent = part/whole * 100%
percent = $13.10/$65.50 * 100% = 20%
Answer: 20%
Answer:
20%
Step-by-step explanation:
Please answer number 27 please
Answer:
Example 1:
Given that y varies proportionally with x , with a constant of proportionality k=1/3 , find y when x=12 .
Write the equation of the proportional relationship.
The variable x varies proportionally with y with a constant of proportionality equal to 1/3
So, y=1/3x
Substitute the given x value.
y=1/3×12
y=4
Step-by-step explanation:
hope it helps
Jose , George and Alex are buying flowers for their garden . Jose buys 3 irises, 2 daffodils , and 5 tulips for $ . George buys 5 daffodils , 3 tulips and irises for $. Alex buys 4 tulips, irises, and 6 daffodils for $36. How much does each plant cost? Write a system of equations for the situation .
Answer:
hmmmmmmmmm
Step-by-step explanation:
what is the most common number of dimples on a golf ball? 102
The most common number of dimples on a golf ball is not specifically 102. Golf balls can have varying numbers of dimples, typically ranging from 300 to 500.
The exact number of dimples on a golf ball depends on the brand, model, and design. Dimples are added to golf balls to enhance their aerodynamic properties, allowing for better lift and distance. More dimples generally result in a higher trajectory and longer distance. However, there is no definitive number of dimples that guarantees better performance. Manufacturers experiment with different dimple patterns and configurations to optimize performance. In conclusion, while golf balls commonly have between 300 and 500 dimples, there is no single most common number.
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What is the mean age of the employees to the nearest year?
Responses
A 33
B 35
C 37
D 39
Answer:The answer is B . 35 . Hope it helps
Step-by-step explanation:Mean: Addition of everything (314) / frequency (9)
It gives you 34.8… rounded to 35
What is the equation for the line that passes through the points (-5.5, 2.5) and (-2.5, -3.5)
questions are:
A) y= 2x + 13.5
B) y= x - 1
C) y= -2x + 1.5
D) y= -2x - 8.5
Answer:
D
Step-by-step explanation:
how to determine if a function crosses the horizontal asymptote
To determine if a function crosses the horizontal asymptote, analyse the behavior of the function as it approaches the asymptote and on either side of it.
1. Identify the horizontal asymptote of the function. The horizontal asymptote is a horizontal line that the function approaches as the independent variable (usually denoted as x) goes to positive or negative infinity. It is often denoted by a horizontal line y = a, where "a" is a constant.
2. Examine the behavior of the function as x approaches positive infinity. Evaluate the limit of the function as x goes to positive infinity. If the limit is equal to the value of the horizontal asymptote, then the function does not cross the asymptote. However, if the limit does not equal the asymptote, move to the next step.
3. Examine the behavior of the function as x approaches negative infinity. Evaluate the limit of the function as x goes to negative infinity. If the limit is equal to the value of the horizontal asymptote, then the function does not cross the asymptote. If the limit does not equal the asymptote, proceed to the next step.
4. Investigate the behavior of the function around critical points or points where the function changes its behavior. These points may include the x-intercepts or vertical asymptotes. Determine if the function crosses the asymptote around these points by analyzing the behavior of the function in their vicinity.
If, at any point in this process, the function crosses the horizontal asymptote, then it does not have a true horizontal asymptote. However, if the function approaches the asymptote and does not cross it at any point, then it has a horizontal asymptote.
It's important to note that some functions may have multiple horizontal asymptotes or no horizontal asymptote at all. The steps outlined above are a general guideline, but the specific behavior of the function needs to be analyzed to make a conclusive determination.
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What is z4 + z4 + z4 + z4?
Answer:
4z
Step-by-step explanation:
Find the quotient. Write the answer in the simplest form (reduce).
34) 6 * 1 /2 =
35) 3/5 * 1 /4 =
y=mx+b how do you find it
Consider a cylindrical wire with infinite length, cross-sectional radius R and relative permeability r = 1. The wire carries a constant current jo=joe in the full volume. a) Use the Poisson equation to obtain the vector potential A inside and outside the wire. b) Calculate the magnetic induction from the vector potential Ã. c) Compute the magnetic induction directly from jo using Stoke's theorem. Confirm that your results agree. Hints: Use symmetries to reduce the 3-dimensional problem to a one-dimensional one. Distinguish between inside the wire and outside the wire. The Laplace operator in cylindrical coordinates is Δ = 1/p d/dp (p d/dp) + 1/p² d²/dp² + d² /dz²
Answer:
Step-by-step explanation:
To solve the given problem using LaTeX, we can represent the equations and calculations step by step. Here's the LaTeX code to present the problem:
\documentclass{article}
\usepackage{amsmath}
\begin{document}
(a) Using the Poisson equation, we can obtain the vector potential $A$ inside and outside the wire.
Inside the wire ($p < R$), the Poisson equation becomes:
\[
\frac{1}{p} \frac{d}{dp} \left(p \frac{dA}{dp}\right) + \frac{1}{p^2} \frac{d^2A}{dp^2} + \frac{d^2A}{dz^2} = -\mu_0 j_0 e
\]
with the boundary condition $A(R,z) = 0$.
Outside the wire ($p > R$), the Poisson equation becomes:
\[
\frac{1}{p} \frac{d}{dp} \left(p \frac{dA}{dp}\right) + \frac{1}{p^2} \frac{d^2A}{dp^2} + \frac{d^2A}{dz^2} = 0
\]
with the boundary condition $A(R,z) = -\mu_0 j_0 e \ln\left(\frac{p}{R}\right)$.
To solve these equations, we need to apply appropriate boundary conditions and solve the resulting differential equations using appropriate techniques.
(b) To calculate the magnetic induction from the vector potential $A$, we can use the relation:
\[
\mathbf{B} = \nabla \times \mathbf{A}
\]
where $\mathbf{B}$ is the magnetic induction.
(c) To compute the magnetic induction directly from $j_0$ using Stoke's theorem, we can use the equation:
\[
\oint_C \mathbf{B} \cdot d\mathbf{l} = \mu_0 \iint_S \mathbf{j} \cdot d\mathbf{S}
\]
where $C$ is a closed curve enclosing the wire, $d\mathbf{l}$ is an infinitesimal element of length along the curve, $S$ is a surface bounded by the closed curve, $d\mathbf{S}$ is an infinitesimal element of surface area, and $\mathbf{j}$ is the current density.
By choosing an appropriate closed curve and applying Stoke's theorem, we can relate the circulation of $\mathbf{B}$ along the curve to the integral of the current density $\mathbf{j}$ over the surface $S$.
By solving the differential equations and performing the necessary calculations, we can obtain the values for $\mathbf{A}$ and $\mathbf{B}$ and confirm that the results obtained using the vector potential and Stoke's theorem agree.
Please note that further mathematical techniques and calculations are required to obtain specific solutions and numerical values for $\mathbf{A}$ and $\mathbf{B}$ based on the given problem statement.
\end{document}
You can copy and use this code in your LaTeX document to present the problem, equations, and hints appropriately.
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Ava bought 2 sandwiches for a total of $5.25 , a bowl of soup for $3.00, and a bag of chips for 1.25. How much change did she get back if she paid with a $20.00 bill?
Answer:
she would get 11 dollars back
Step-by-step explanation:
look....first count all the money together 5 + 3 + 1 = 9............Then subtract 9 from 20 and there u go
Evaluate the line integral of \int (3x^2-2y)ds over the line segment from (3,6) to (1,1). Use the...
The line integral is 32.3110. The process of calculating this has been explained below.
Our line segment has a slope that is given by = m = 6 - 1 / 3 - 1
= m = 5/2
From this, we use a line's point-slope form and write this in the form -
= y−1=5/2(x−1)
= y = 5/2x−3/2
From this, we get x ∈ [3,1]. Now, we will -
= dy/dx = d/dx(5/2x−3/2) =5/2
From this, we can conclude that the line element is going to be -
= ds = \(\sqrt{\frac{dy}{dx}^{2} + 1dx }\)
= ds = \(\sqrt{\frac{5}{2}^{2} + 1dx }\)
= ds = \(\sqrt{29}\)/2 dx
No, we integrate the given integral -
= \(\int\limits^1_3 {[3x^{2} - 2(\frac{5}{2}x - \frac{3}{2} ) ]\frac{\sqrt{29}}{2} } \, dx\)
By integrating this, we get -
= 32.3110
The complete question that you might be looking for is -
Evaluate the line integral of \int (3x^2-2y)ds over the line segment from (3,6) to (1,1). Use the equation of the line (y=mx+b) to solve.
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a waste management company is designing a rectangular construction dumpster that will be twice as long as it is wide and must hold 28 yd3 of debris. find the dimensions of the dumpster that will minimize its surface area.
The dimension of the Dumpster are 2.18 x 4.37 x 2.93 yards.
Let us assume that the breadth of the dumpster is X yards.
So, it is given that the length of the dumpster will be 2X.
Let us say the height f the dumpster is H.
Hence,
The total surface area of the dumpster = 2(X.2X + XH + 2XH)
Total surface area = 4X²+6XH
The volume of the cuboidal dumpster = X.2X.H
Volume = 28 yards³
27 = 2HX²
H = 27/2X²
Putting in the area,
we get,
A = 4X² + 6X(28/2X²)
A = 4X² + 84/X
Differentiating with respect to X,
A' = 8X - 84/X²
For minimum A,
8X - 84/X² = 0
X = 2.185 yards.
So, the length is 4.37 yards.
The height is 2.93 yards.
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How many pivot columns must A have if its columns span R5? Why? Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. The matrix must have pivot columns. If A had fewer pivot columns, then the equation Ax = 0 would have only the trivial solution. B. The matrix must have pivot columns. The statements "A has a pivot position in every row" and "the columns of A span R5" are logically equivalent. C. The matrix must have pivot columns. Otherwise, the equation Ax = 0 would have a free variable, in which case the columns of A would not span R5. D. The columns of a 5x7 matrix cannot span R5 because having more columns than rows makes the columns of the matrix dependent.
The matrix must have pivot columns. Otherwise, the equation Ax = 0 would have a free variable, in which case the columns of A would not span R5. Therefore, the correct answer is C.
A pivot column is a column of the matrix that has a non-zero entry in the pivot position and all entries below the pivot are zero. In row echelon form, every row below a pivot column has a zero in the corresponding position. The pivot columns correspond to the linearly independent columns of the original matrix and the number of pivot columns determines the rank of the matrix.
The rank of a matrix is defined as the number of linearly independent columns or rows in the matrix. If the columns of a matrix span Rn, then the rank of the matrix must be equal to n. This means that the matrix must have n linearly independent columns. To ensure that the columns of A span R5, A must have at least 5 pivot columns. If A had fewer pivot columns, then the equation Ax = 0 would have a non-trivial solution, meaning that the columns of A would not be linearly independent and would not span R5.
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If a = 6, then the value of b is...
Answer:
6/- 3
Step-by-step explanation:
A clay specimen, 25 mm thick, has been tested in an oedometer apparatus with two way rainage, and it is observed that 50% of the consolidation settlement occurs in 1 hour. A ayer of the same clay is observed to settle 10 mm in 10 years and after many years to settle (total primary consolidation) by 35 mm. Determine the thickness of the clay layer if it drains only from upper surface
The thickness of the clay layer, which drains only from the upper surface, can be determined based on the consolidation settlement observations. With 50% of consolidation settlement occurring in 1 hour for a 25 mm thick specimen, and a total primary consolidation settlement of 35 mm occurring over many years, the thickness of the clay layer is approximately 87.5 mm.
The consolidation settlement of a clay specimen can be used to estimate the thickness of a clay layer that drains only from the upper surface. In this case, the observed settlement data provides valuable information.
Firstly, we know that 50% of the consolidation settlement occurs in 1 hour for a 25 mm thick clay specimen. This is an important parameter for calculating the coefficient of consolidation (Cv) using Terzaghi's theory. From the Cv value, we can estimate the time required for full consolidation settlement.
Secondly, we are given that the same clay settles 10 mm over 10 years and eventually settles a total of 35 mm over a longer period. This long-term settlement is known as the total primary consolidation settlement. By comparing this settlement value with the settlement data from the oedometer test, we can determine the thickness of the clay layer.
To calculate the thickness, we can use the concept of the consolidation settlement ratio. The ratio of the total primary consolidation settlement to the consolidation settlement at 50% completion is equal to the ratio of the total thickness to the thickness at 50% completion. Applying this ratio, we can determine that the thickness of the clay layer, which drains only from the upper surface, is approximately 87.5 mm.
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what’s the area of this figure, rounded to the nearest tenth?
Answer:
198 in²
Step-by-step explanation:
triangle (A=1/2)bh [A=1/2(22×8)] b=22 H=8
rectangle (A=bh) [A= 22×5] B=22 H=5
triangle = 88
rectangle = 110
So, 88+110 = 198
Hey do any of you guys know the answer to this question? I’m struggling with it and still don’t know the answer plz help me! Thanks!
I am not completley sure but i think its (3)
Could someone please tell me how to solve this?
Please answer quickly!!!!! Will give the brainiest There is a pic attached.
Answer:
A. 2/3
Step-by-step explanation:
There are 12 tiles in total, and 8 tiles with numbers that are greater than 4.
Express this as a fraction:
8/12
Simplify:
2/3
Hope this helps
Why is (0,1) y-intercept of the form below?
Mrs Patel drives to work each day. Sometimes she must stop at a set of traffic lights.
In the past 50 working days she has stopped at this set of traffic lights 32 times.
a: Find the experimental probability that Mrs Patel will have to stop at this set of lights tomorrow.
b: Find the experimental probability that she will not have to stop at the lights next Wednesday
Answer:
a: The experimental probability that Mrs Patel will have to stop at this set of lights tomorrow is 32/50 = 0.64.
b: The experimental probability that she will not have to stop at the lights next Wednesday is 1 - 0.64 = 0.36.
Step-by-step explanation:
The probabilities of an event occurring based on the outcomes of an experiment is known as the experimental probability.
The experiment in this scenario involves Mrs. Patel driving herself to work every day. She stopped 32 times at this set of traffic signals during the course of the experiment's 50 working days. The experimental likelihood that she will have to stop at this set of lights tomorrow is 0.64 based on these findings.
The experimental probability is usually more accurate than the theoretical probability because it is based on actual data. However, the experimental probability can be affected by chance.
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What is the 16-bit FP number representation of −5. 375 in hex with 1-bit sign, 4-bit biased exponent, and 11-bit fraction, where bias offset = 7?
The hex representation of −5.375 is 0xB3F8.
The 16-bit FP number representation of −5. 375 has a 1-bit sign, 4-bit biased exponent, and 11-bit fraction, where bias offset = 7. The sign bit is 1, which indicates a negative number.
The biased exponent is obtained by subtracting the bias offset from the actual exponent. For -5.375, the actual exponent is -3. Subtracting the bias offset of 7 from -3 gives the biased exponent of 4, which is represented in 4 bits as 0100.
The fraction is obtained from the mantissa, which is the significant digits after the decimal point. For -5.375, the mantissa is 0.375. This can be represented in 11 bits as 1111 000 00, which gives the hex representation of 0xB3F8.
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plz help me do this
Answer:
Data set doesn't go to 17
Step-by-step explanation:
None of the numbers go to 17
Answer:
1st option. the data set doesn't GO to seventeen
Step-by-step explanation:
look at the number line. I always had trouble with this so I get where your coming from first, look at where the line is touching don't pay attention to the box yet because it's confusing the entire point of this line is to show you that there MAY have been 1 or two people who where at 0 for this data and 1 or two people who were at 15
the point here is that the bulk of the data was 11-14, but because there were less people down lower, the mean of the data is at 13, and the data is bigger (skewed) to the left.
making everything lekse true except for the first option.
How do you write an equation for a parabola with the vertex and Y intercept?
To write an equation for a parabola with the vertex and y-intercept, the equation of vertex form y=a(x-h)^2+k is used.
What is a parabola?
A parabola is an approximately U-shaped, mirror-symmetrical plane curve in mathematics. It corresponds to a number of seemingly unrelated mathematical descriptions, all of which can be shown to define the same curves.
Consider an example where vertex is (2,1) and y-intercept is (0,-3).
The equation of parabola needs to be deduced using these points.
The equation of a parabola in vertex form is -
y=a(x-h)^2+k
Here, a is a constant and (h ,k) are the coordinates of the vertex.
So, (h,k)=(2,1)
⇒y=a(x−2)^2+1
To obtain the value of a, substitute (0,−3) into the equation -
-3=4a+1
4a=-4
a=-1
⇒y=-1(x−2)^2+1
Now, distribute and simplify -
y=-1(x−2)^2+1
y=-(x^2-4x+4)+1
y=-x^2+4x-4+1
y=-x^2+4x-3
On, graphing this equation a parabola is obtained.
Therefore, to write an equation of parabola vertex form is used.
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Solve for x please and thank you
Answer:
67.5 I believe
Step-by-step explanation:
Which graph displays a rate of change of 2.5?
On a coordinate plane, a line with negative slope goes through points (negative 2, 0) and (negative 1, negative 2).
On a coordinate plane, a line with negative slope goes through points (0, negative 3) and (2, 2).
On a coordinate plane, a line with positive slope goes through points (0, 1) and (2, 2).
Answer:
in edg is B
Step-by-step explanation:
Answer:
It's B
Step-by-step explanation: