The correct answer is $1,560 homeowner's special assessment.
To calculate the homeowner's special assessment, we need to determine the portion of the installation cost that homeowners are responsible for, after considering the city's coverage.
The city is covering 40% of the installation cost, which means homeowners are responsible for the remaining 60% of the cost.
Let's calculate the homeowner's special assessment:
Installation cost per lot: $2,600
City's coverage: 40% = 0.40
Homeowners' responsibility: 100% - 40% = 60% = 0.60
Homeowner's special assessment = Installation cost per lot x Homeowners' responsibility
= $2,600 x 0.60
= $1,560
Therefore, the correct answer is $1,560 homeowner's special assessment.
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Solve for x.
(13x-32)
S
T
V
(7x + 22)°
U
Answer:
x=9
Step-by-step explanation:
13x-32 and 7x+22 are equal to each other (angles) so
13x-32=7x+22
13x-7x=22+32
6x=54
x=54/6
x=9
Let X1,... ,X7 be independent normal random variables and X, be distributed as N(μ1,o₁ 2) for i = 1,.,7. Find P(X < 14) when μ₁ =.... =μ= 15 and o₁2 = ... = o2/7 = 7 (round off to second decimal place).
The probability P(X < 14) when μ₁ =.... =μ= 15 and o₁2 = ... = o2/7 = 7 is 0.
Let X1, ..., X7 be independent normal random variables, each distributed as N(μ1, o₁²) for i = 1,...,7. Given that μ₁ = ... = μ = 15 and o₁² = ... = σ²/7 = 7, you want to find P(X < 14) rounded to the second decimal place.
To solve this problem, follow these steps:
1. Calculate the mean and variance of the sum of the random variables.
Since X1, ..., X7 are independent and identically distributed, the mean of their sum is the sum of their means, and the variance of their sum is the sum of their variances. Thus, for the sum S = X1 + ... + X7, we have:
Mean of S = 7 * μ = 7 * 15 = 105
Variance of S = 7 * σ²/7 = 7 * 7 = 49
2. Calculate the standard deviation of the sum.
The standard deviation is the square root of the variance, so:
Standard deviation of S = √49 = 7
3. Calculate the z-score for X < 14.
The z-score is calculated as:
z = (X - Mean) / Standard deviation
Since we want to find probability P(X < 14), we need to find the z-score for X = 14:
z = (14 - 105) / 7 = -91 / 7 = -13
4. Find the probability P(X < 14) using the z-score.
Using the z-score of -13, you can look up the corresponding probability in a standard normal distribution table or use a calculator that provides this functionality. A z-score of -13 is extremely far from the mean, so the probability P(X < 14) is very close to 0.
To the second decimal place, the probability P(X < 14) is approximately 0.00.
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The students in a class were asked how many siblings they have. The data obtained is represented in the dot plot. The number of students who have no siblings is . The number of students who have three or more siblings is .
The answer is 0 Siblings: 4 Students and 3 or more siblings: 5 students
The numbers at the bottom reflect the number of siblings they have, and the dots represent the number of students, thus we may deduce:
4 students: 0 siblings
3 students: 1 sibling
3 Students: 2 Siblings
3 Brothers and Sisters: 1 Student
0 Students: 4 Siblings
2 students and 5 siblings
6 Brothers and Sisters: 1 Student
7 Brothers and Sisters: 1 Student
3 or more: 1 + 0 + 2 + 1 + 1 = 5
3 or more siblings: 5 students
What is statistics?
Statistics is a discipline of applied mathematics concerned with the gathering, description, analysis, and derivation of conclusions from quantitative data. Statistics' mathematical theories rely largely on differential and integral calculus, linear algebra, and probability theory.A method may execute a job that is independent of the data of any object (other than the method's parameters). A static method is one that applies to the class in which it is declared as a whole.To learn more about Statistics visit:
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Rick's Phone Service charges $20.79 for an activation fee plus $4 for every gigabyte (g) used.
Answer:
Are you asking how much per $ gigabyte, if so, it's $24.79
Step-by-step explanation:
What is the simplest radical form of 54
Answer:
3√6 {3√6 is the simplest form of √54.}
Step-by-step explanation:
An alternate way of doing the simplification:
We can take √54 and break down 54 inside the radical:
√3×3×3×2
Remember that the square root and square operations are opposite - they cancel each other out. And so if we can find squares, we can cancel them against the square root:
√3²×3×2
And if we want, we can put the square into its own radical:
√3²√3×2
Cancel the square against the square root, and then simplify the other root:
3√6
(03.05 MC)
A moon's elliptical orbit around a planet is modeled by the equation 225x2 +576y2 = 176,400, where distance is measured in megameters
(Mm). If the planet is the center of the orbit's path, what is the maximum distance between the planet and its moon?
As, the moon has an elliptical orbit around a planet, the maximum distance between the planet and its moon is 88.54 Mm.
What is an elliptical orbit?
When an object moves around another object in an oval shaped path (ellipse), it is known to be revolving in an elliptical orbit.
The standard form of the equation of an ellipse with center at the origin (0,0) and x - axis major axis is given by
x²/a² + y²/b² = 1
Now,
Given that a moon's elliptical orbit around a planet is modeled by the equation 225x² + 576y² = 176,400, where distance is measured in megameters (Mm). and the planet is the center of the orbit's path.
Since the equation of the path is the equation of an ellipse, we write it in standard form
As standard form of the equation of an ellipse with center at the origin (0,0) and x - axis major axis is
x²/a² + y²/b² = 1 (1) where
a = vertex of major axis and
b = vertex of minor axis
So, converting 225x² + 576y² = 176,400 into standard form, we have
225x² + 576y² = 176,400
225x²/1764,000 + 576y²/1764,000 = 176,400/1764,000
x²/7840 + y²/3062.5 = 1 (2)
Comparing equation (2) with (1), we have that
a² = 7840 and b² = 3062.5
⇒ a = √7840 = 88.54 and
⇒ b = √3062.5 = 55.34
Since a = 88.54 is greater than b = 55.34, so, a is the major axis, and the maximum distance between the planet and its moon is 88.54 Mm
So, the maximum distance between the planet and its moon is 88.54 Mm
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Since the moon's has an elliptical orbit around a planet, the maximum distance between the planet and its moon is 88.54 Mm
How to find the maximum distance between the planet and its moon?
Given that a moon's elliptical orbit around a planet is modeled by the equation 225x² + 576y² = 176,400, where distance is measured in megameters (Mm). and the planet is the center of the orbit's path.Since the equation of the path is the equation of an ellipse, we write it in standard form.Equation of ellipse in standard formThe standard form of the equation of an ellipse wth center at the origin (0,0) and x - axis major axis is given byx²/a² + y²/b² = 1 (1) where
a = vertex of major axis and
b = vertex of minor axis
o, converting 225x² + 576y² = 176,400 into standard form, we have
225x² + 576y² = 176,400
225x²/1764,000 + 576y²/1764,000 = 176,400/1764,000
x²/7840 + y²/3062.5 = 1 (2)
Comparing equation (2) with (1), we have that
a² = 7840 and b² = 3062.5
⇒ a = √7840 = 88.54 and
⇒ b = √3062.5 = 55.34
Since a = 88.54 is greater than b = 55.34, so, a is the major axis, and the maximum distance between the planet and its moon is 88.54 Mm
So, the maximum distance between the planet and its moon is 88.54 Mm
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Solve for x
\(8 {}^{2 + x} + 2 {}^{3x} = 32 {}^{ \frac{1}{2} } \)
Answer:
8^2+x + 2^ 3x = 32^ 1/2
2^3(2+x) + 2^3x = 2^5^1/2
All two's will cancel out
3(2+x) + 3x = 5^1/2
6+3x + 3x = 5^1/2
6 +6x = 2.23
6x = 2.23 - 6
6x = -3.77
x = -3.77÷ 6
x = -0.63
what is the area of the triangle
Answer:
4 units²
Step-by-step explanation:
The area (A) of a triangle is calculated as
A= \(\frac{1}2}\) bh ( b is the base and h the perpendicular height )
Here b = 4 and h = 2 , then
A = \(\frac{1}{2}\) × 4 × 2 = 2 × 2 = 4 units²
You need to buy some chicken for dinner tonight. You found an ad showing that the store across town has it on sale for $2.89 a pound, which is cheaper than your usual neighborhood store, which sells it for $3.39 a pound. Is it worth the extra drive
If the potential savings per pound, which is $0.50, outweighs the additional costs and inconveniences of driving to the store across town, then it may be worth making the extra drive.
To determine if it's worth the extra drive to the store across town for cheaper chicken, we can compare the savings you would make by purchasing it at the cheaper price with the additional costs and inconveniences associated with the long drive.
Let's calculate the potential savings:
Price at the store across town: $2.89 per pound
Price at your usual neighborhood store: $3.39 per pound
Savings per pound = Price at neighborhood store - Price at the store across town
Savings per pound = $3.39 - $2.89 = $0.50
Now, considering the additional costs and inconveniences associated with driving to the store across town:
1. Distance: Determine the round trip distance to the store across town and estimate the fuel consumption and associated cost. Let's assume the round-trip distance is 10 miles.
2. Fuel Efficiency: Estimate your vehicle's fuel efficiency in terms of miles per gallon (mpg). Let's assume your vehicle gets 25 mpg.
3. Fuel Cost: Determine the current cost of fuel per gallon. Let's assume it is $3.00 per gallon.
4. Calculate the fuel cost for the round trip:
Fuel cost = (Round trip distance / Vehicle's fuel efficiency) * Fuel cost per gallon
Fuel cost = (10 miles / 25 mpg) * $3.00 per gallon
Fuel cost = $1.20
In this case, the cost of fuel for the round trip to the store across town is $1.20.
Now, consider other factors such as the value of your time, traffic conditions, and any additional inconveniences associated with the long drive.
If the potential savings per pound, which is $0.50, outweighs the additional costs and inconveniences of driving to the store across town, then it may be worth making the extra drive. However, if the cost and inconvenience of the longer drive outweigh the savings, it may be more practical to purchase the chicken from your usual neighborhood store.
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16. Which expression would represent all angles that are coterminal with a 40° angle?
To find all angles that are coterminal with a 40° angle, we need to add or subtract multiples of 360°.
The expression that represents all angles coterminal with a 40° angle can be written as:
40° + 360°n
where 'n' represents any integer.
This expression accounts for the fact that adding or subtracting multiples of 360° will result in angles that have the same initial and terminal sides as the 40° angle.
For example, when n = 1, the angle would be 40° + 360°(1) = 400°.
When n = -1, the angle would be 40° + 360°(-1) = -320°.
So, all angles that are coterminal with a 40° angle can be represented by the expression 40° + 360°n, where 'n' is an integer.
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Check out this rectangular prism
Find the surface area of the rectangular prism (above) using its net (below).
Answer:
52
Step-by-step explanation:
Used hint.
Answer:
52
Step-by-step explanation:
if you are on khan or on something else it is 52
while watching a game of champions league football in a cafe, you observe someone who is clearly supporting manchester united in the game. what is the probability that they were actually born within 25 miles of manchester ? assume that: the probability that a randomly selected person in a typical local bar environment is born within 25 miles of manchester is 1/20 the chance that a person born within 25 miles of manchester actually supports united is 7/10 the probability that a person not born within 25 miles of manchester supports united with probability 1/10
There are two possible cases to consider: either the person is born within 25 miles of Manchester or they are not. We can calculate the probability for each case and then use the total probability theorem to find the final answer.
Let's denote the event that a person is born within 25 miles of Manchester by A and the event that they support Manchester United by B. We know that:
P(A) = 1/20 (given in the problem)
P(B|A) = 7/10 (given in the problem)
P(B|not A) = 1/10 (given in the problem)
We want to find P(A|B), the probability that a person who supports Manchester United was born within 25 miles of Manchester. We can use Bayes' theorem to write:
P(A|B) = P(B|A)P(A) / [P(B|A)P(A) + P(B|not A)P(not A)]
Here, P(not A) = 1 - P(A) = 19/20.We can substitute the given probabilities in this formula and simplify:
P(A|B) = (7/10)*(1/20) / [(7/10)*(1/20) + (1/10)*(19/20)]
P(A|B) = (7/200) / (7/200 + 19/200)
P(A|B) = (7/26)
Therefore, the probability that a person who supports Manchester United was born within 25 miles of Manchester is 7/26.
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WORTH 20 POINTS PLS HURRY
A sentence with antonyms has two words with
somewhat different meanings
opposite meanings
similar meanings
the same meanings
Answer:
opposite meanings
Step-by-step explanation:
antonyms usually means a word that's the opposite of another word. Examples: hot is the opposite of cold and cold is the opposite of hot
The instructions on the bag of concrete mix say to add 2 gallons of water to each 8 pound bag of concrete mix.
How much concrete mix is used per gallon of water?
A. 2 pounds
B. 4 pounds
C. 6 pounds
D. 10 pounds
E. 16 pounds
Answer:
B
Step-by-step explanation:
The ratio of water to mix is 1:4.
3.6.4Practice:Modeling: Linear, Quadratic, and Exponential Functions Practice
Algebra I Sem 2
HAS ANYONE DONE THIS ASSIGNMENT??? I NEED HELP QUICKLY
Answer:
you have not gave the answer
Step-by-step explanation:
Replace * with a monomial so that the derived equality is an identity: (5x + *) ^2= * + 10 ax + a^2
Step-by-step explanation:
(5x+a)²(5x+a)(5x+a)5x(5x+a)+a(5x+a)25x²+5ax+5ax+a²25x²+10ax+a²What is the
value of the question. ?
Answer:
Step-by-step explanation:
Divide the numbers first because that's the easy part and we've been dividing since like 5th grade.
1.6/.2 = 8. Now for the exponents.
When you divide like bases, you subtract the exponents. Our bases are both 10's, so they are like. Subtracting the exponents gives us 10³. So the answer is 8 × 10³, choice B.
Rewrite 56 - 22 using the Distributive Property and the GCF of the numbers.
56 - 22 can be rewritten using the Distributive Property and the GCF of the numbers as 2 * 17.
GCF stands for Greatest Common Factor. In mathematics, the GCF is the largest positive integer that divides two or more integers without leaving a remainder. It is also known as the greatest common divisor (GCD), highest common factor (HCF), or greatest common measure (GCM). To rewrite 56 - 22 using the Distributive Property and the GCF of the numbers, we first need to find the greatest common factor (GCF) of 56 and 22. The GCF of 56 and 22 is 2.
Using the Distributive Property, we can write:
56 - 22 = 2 * 28 - 2 * 11
Now, we can factor out the GCF of 2: 56 - 22 = 2 * (28 - 11)
Simplifying the expression inside the parentheses, we get:
56 - 22 = 2 * 17
Therefore, 56 - 22 can be rewritten using the Distributive Property and the GCF of the numbers as 2 * 17 = 34.
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Write (-0.6) (-0.6).(-0.6) using exponents
Answer:
(-0.6)^3
Step-by-step explanation:
Here, we want to write the given expression in exponential terms
From what we have, there is a repetitive term
For example, if we had;
(x)(x)(x)
Exponentially, we will have this written as x^3
Using the above technique in what we have at hand
(-0.6)(-0.6)(-0.6) = (-0.6)^3
supplementary angles
Solve for x to make A||B. 13x + 14 A 11x + 28 B
For supplementary angles 13x + 14 = A, 11x + 28= B and A is parallel B, A=B
Therefore x=7
How are parallel lines determined?A and B's corresponding angles are congruent if A and B are parallel. As a result, we may equalize the formulas for the respective angles and find x:
13x + 14 = 11x + 28
2x = 14
x = 7
Consequently, we must fix x equal to 7 in order to make A and B parallel. When we insert this value into the formulas for A and B, we obtain:
A = 13(7) + 14 = 105
B = 11(7) + 28 = 105
The corresponding angles of A and B are now congruent, and A and B are equal and parallel.
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Multiply.
31.246⋅3.48
A. 1.0873608
B. 10.873608
C. 108.73608
D. 1087.3608
Answer:
108.73608
Step-by-step explanation:
Draw graph of the equation 2x – y + 3 = 0.write the co-ordinates of the points at which the line intersects the co-ordinate axes.
Step-by-step explanation:
Given expression:
2x - y + 3 = 0
The co-ordinates of the points at which the line intersects the coordinate axes is unknown?
Now,
2x - y + 3 = 0
Let us rearrange the equation;
-y = -2x - 3
Multiply through by (-1);
y = 2x + 3
the point where the line intercept the y- axis, x = 0
so,
y = 2(0) + 3 = 3
Coordinates = (0,3)
the point where the line intercepts the x-axis, y = 0;
0 = 2x + 3
2x = -3
x = \(\frac{-3}{2}\)
Coordinates = (\(\frac{-3}{2}\) , 0)
Volume with fractions
What is the volume of this rectangular prism? 1/2cm 1/2cm 3cm
Answer:
Step-by-step explanation:
E
Answer:
answer 3/4 cm3
1/2*1/2*3cm3= 3/4 cm3
Please help me, I don't understand a thing
Answer:
Step-by-step explanation:
Let M(x,y) be the median of ΔABC through A to BC.M will be the midpoint of BC.x1=5,y1=3x2=3,y2=−1By midpoint formula, x=(x1+x2)/2∴x=(5+3)/2=8/2=4By midpoint formula, y=(y1+y2)/2∴y=(3+(−2))/2=2/2=1Hence the co-ordinates of M are (4,1).By diatnce formula, d(AM)=[(x2−x1)2+(y2−y1)2]x1=7,y1=−3x2=4,y2=1
What is (0,6) after a reflection over the y-axis?
Answer:
Still (0,6)
Step-by-step explanation:
The point is actually on the y-axis. It can't change in a y-axis reflection, only in an x-axis reflection.
write the numbers in order from least to greatest (square root of 10) (3) (5.3)
Answer:
3, square root of 10, 5.3
Identify the transformation(s):
Find the percent rate of change for each
function and tell whether it shows
exponential growth or decay.
a) y = 110(.95)
b) y = 1.08(1.07)
plz help!!
Answer:
Step-by-step explanation:
a) f(t) = 110(0.95)^t
0.95<1, so the function shows 5% decay
b) f(t) = 1.08(1.07)^t
1.07 > 1, so the function shows 7% growth
help please and maybe explain the answer if you have time
Answer:
I would say that it's A 1/3 because it's the slope and that's what a rate of increase is
Find all real numbers x such that
4x + 2 > 14 and -21x + 1 < 22