The solution to the given equation is x = 45.666.
The equation to solve is 3(4x - 6) = 131. To solve this equation, first subtract 6 from both sides, giving 3(4x) = 137. Then divide both sides by 3, giving 4x = 137/3. Finally, divide 137 by 3 to give the solution x = 45.666. This answer is accurate to three decimal places.
To better understand the process, let's break it down step-by-step.
First, subtract 6 from both sides of the equation to isolate the term with the unknown value, 4x. This leaves us with 3(4x) = 137.
Then, divide both sides of the equation by 3, which cancels out the factor of 3, leaving us with 4x = 137/3.
Finally, divide 137 by 3 to obtain the value of x, which is 45.666. This is the solution to the equation, accurate to three decimal places.
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Rounded to the nearest hundredth of a unit, what is the length of the
hypotenuse?
Answer: 8.12
Step-by-step explanation:
in a playground near her home, tanya uses chalk todraw a large rectangle. the rectangle measures 10 feetby 18 feet. what is the perimeter of the rectangle?
the perimeter of the rectangle is 56 feet.
To find the perimeter of a rectangle, we add up the lengths of all four sides.
In this case, the rectangle measures 10 feet by 18 feet. Therefore, the length of the top and bottom sides is 10 feet, and the length of the left and right sides is 18 feet.
So, the perimeter of the rectangle is:
2(10 feet) + 2(18 feet) = 20 feet + 36 feet = 56 feet
Therefore, the perimeter of the rectangle is 56 feet.
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Alex is applying for positions at two different electronic stores in neighboring towns. The first job offer is a $200 weekly salary plus 5% commission on sales. The second job offer is a $75 weekly salary plus 10% commission.
The amount of sales at which Company A's offer is the same as Company B's is $600
How to calculate the amount?The given parameters that will help us to understand the question are
Company A:
Base = $200
Commission = 10% of sales = .1*S
A = .1S + 200
Company B:
Base = 400
Commission = .05*S
B = .05S + 400
We're looking for the point where they're equal.
200 + .1S = 400 + .05S
Multiply by 100 to get rid of decimals
20000 + 10S = 40000 + 5S
Subtract 20000 from both sides
10S = 20000 + 5S
Subtract 5S from both sides
5S = 20000
Divide both sides by 5
S = 4000
So, at $4000 sales, the two jobs pay the same.
You have to always check your work. This can be done by plugging the values into the basic equations and determining if they check. Or we can graph the two lines and see where they cross.
Company A:
200 + .1(4000) = 200 + 400 = 600
Company B:
400 + .05(4000) = 400 + 200 = 600
Conclusively Alex (A) offers $600 as same as Company B
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Complete question:
A salesperson has two job offers. Company A offers a weekly salary of $200 plus commission of 10% of sales. Company B offers a weekly salary of $400 plus commission of 5% of sales. What is the amount of sales at which Company A's offer is the same as Company B's?
I NEED HELP QUICKLY for both X
The solution of the quadratic equation is x = 2. Therefore, \(\frac{4+\sqrt{-4^{2}-4(1)(4) } }{2(1)}\) or \(\frac{4-\sqrt{-4^{2}-4(1)(4) } }{2(1)}\)
How to solve quadratic equation?The quadratic formula can be use to solve the quadratic equation as follows:
x² - 4x + 4 = 0
Modelling it to quadratic equation, ax² + bx + c
Hence,
using quadratic formula,
\(\frac{-b+\sqrt{b^{2}-4ac } }{2a}\) or \(\frac{-b-\sqrt{b^{2}-4ac } }{2a}\)
where
a, b and c are the coefficient in the equationHence,
a = 1
b = -4
c = 4
Therefore,
\(\frac{4+\sqrt{-4^{2}-4(1)(4) } }{2(1)}\) or \(\frac{4-\sqrt{-4^{2}-4(1)(4) } }{2(1)}\)
Finally
x = 2
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Simplify the expression.
2x + 5(2 + 6x) + 3(2x – 7) Identify the properties you use.
Hey there!
2x + 5(2 + 6x) + 3(2x - 7)
DISTRIBUTE
= 2x + 5(2) + 5(6x) + 3(2x) - 7
= 2x + 10 + 6x + 6x - 7
COMBINE the LIKE TERMS
= (2x + 6x + 6x) + (10 - 7)
= 2x + 6x + 6x + 10 - 7
= 8x + 6x + 10 - 7
= 14x + 3
Therefore, your answer is: 14x + 3
Good luck on your assignment & enjoy your day!
~Amphitrite1040:)
Help me please I can’t do this anymore it’s so hard
Answer:
2
Step-by-step explanation:
Don't really know how to explain it. OmniCalculator is very helpful.
Hope that this helps!
write an equation of the line passing through the point (5, -6) that is parallel to the line y=-x-5.
The equation of the line is y+x+1=0.
It is required to find the equation of the line.
What is line?A line is a straight one-dimensional figure having no thickness and extending infinitely in both directions. A line is made of a set of points which is extended in opposite directions infinitely. It is determined by two points in a two-dimensional plane. The two points which lie on the same line are said to be collinear points.
Given:
The given line is
y=-x-5.
Slope of line
y+x-5=0
We have to find the equation of the line.
According to given question we have
Slope =-1
Thus the slope of the required line is
-1
The point (5, -6)
The equation of the line is
y+6=-1(x−5)
=>y+6=-x+5
=>y+x+1=0
Therefore, the equation of the line is y+x+1=0.
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Suppose that the temperature at a point (x,y) on a metal plate is T(x, y) = 4x^2 - 4xy + y^2. An ant, walking on the plate, traverses a circle of radius 7 centered at the origin. Using Calculus 3 techniques to justify the optimization, find the highest and lowest temperatures encountered by the ant.
To find the highest and lowest temperatures encountered by the ant as it traverses the circle of radius 7 centered at the origin, we need to parameterize the circle and then find the maximum and minimum values of the temperature function T(x, y) along the circle.
First, we can parameterize the circle of radius 7 centered at the origin using polar coordinates:
x = 7cosθ
y = 7sinθ
where θ is the angle measured counterclockwise from the positive x-axis.
Substituting these expressions into the temperature function, we get:
T(θ) = 4x^2 - 4xy + y^2 = 4(7cosθ)^2 - 4(7cosθ)(7sinθ) + (7sinθ)^2
= 49(2cos^2θ - 4cosθsinθ + sin^2θ)
= 49(cosθ - 2sinθ)^2
Now, we can find the maximum and minimum values of T(θ) by finding the maximum and minimum values of the function f(θ) = cosθ - 2sinθ, since T(θ) is a square of f(θ).
To find the maximum and minimum values of f(θ), we can take its derivative with respect to θ and set it equal to zero:
f'(θ) = -sinθ - 2cosθ = 0
Solving for θ, we get θ = arctan(-2), which is in the second quadrant. Since f''(θ) = -cosθ + 2sinθ is negative at this value, we know that this is a maximum value of f(θ).
Therefore, the highest temperature encountered by the ant is T(θ) = 49(cosθ - 2sinθ)^2 evaluated at θ = arctan(-2), which gives T_max = 245.
Similarly, the lowest temperature encountered by the ant is T(θ) = 49(cosθ - 2sinθ)^2 evaluated at θ = arctan(-2) + π, which gives T_min = 49.
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9) in a sample of 10,000 observations from a normal population, how many would you expect to lie beyond three standard deviations of the mean? a) none of them b) about 27 c) about 100 d) about 127
In a sample of 10,000 observations from a normal population, about 27 would be expected to lie beyond three standard deviations of the mean, therefore, the correct option is b.
For a normal distribution, about 99.7% of the data is expected to lie within three standard deviations of the mean. This is known as the empirical rule or the 68-95-99.7 rule.
Using this rule, we can estimate the number of observations beyond three standard deviations of the mean for a sample of 10,000. Since the distribution is normal, we know that the mean and standard deviation completely describe the distribution.
Assuming the sample is representative of the population, we can use the empirical rule to estimate the number of observations beyond three standard deviations of the mean. Since three standard deviations from the mean cover 99.7% of the data, the remaining 0.3% of the data would be expected to lie beyond three standard deviations.
Therefore, the correct answer is c. about 27, since 0.3% of 10,000 is approximately 27.
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chaudhary say to mrs pandey,i am thrice as old as you were . when i was as old as you are . if the sum of their present ages is 35 years. find their present age.
The present age of Chaudhary is 21 years and Mrs Pandey is 14 years.
How to write Linear Equation in two variable?An equation is said to be linear equation in two variables if it is written in the form of ax + by + c=0, where a, b & c are real numbers and the coefficients of x and y, i.e a and b respectively, are not equal to zero.
For example, x + 4y = 13 and -21x + 5y = 2 are linear equations in two variables.
Let the present age of Chaudhary is 'X' years and Mrs Pandey is 'Y' years.
So, according to the question:
sum of their present age is 35 years.
X + Y = 35 ----------- ( i )
also, Chaudhary age was thrice when Chaudhary were old as the Mrs Pandey.
Now,
X = 3 ( Y - (X - Y) )
X = 3 ( Y - X + Y )
X = 3 ( 2Y - X )
X = 6Y - 3X
4X = 6Y
2X = 3Y
X = 3Y / 2 ------------- ( ii )
Put value of X from equation ( ii ) in equation ( i ):
3Y/ 2 + Y = 35
5Y = 70
Y = 14 years
Put value of Y in equation ( ii )
X = ( 3 x 14 ) / 2
X = 21 years
Hence, The present age of Chaudhary is 21 years and Mrs Pandey is 14 years.
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If a polygon has four right angles, then it is either a square or a rectangle.
Which is the conclusion of the conditional?
A. A polygon has four right angles.
B. A polygon is either a square or a rectangle.
C. A polygon is both a square and a rectangle.
D. A polygon is not a square.
If a Polygon is a rectangle then it is a square, so im pretty sure its a square
A polygon with four right angles is either square or rectangle.
Hence, option (B) is correct.
What is polygon?In a two-dimensional plane, a polygon is a closed object formed of line segments rather than curves. Polygon is a word that combines the words, poly, which means numerous and gon, means sides.
Given that,
A polygon has four right angles.
Since, A polygon of four right angles, then there will be four sides of polygon.
Four sides which are right angle can frame either a square or a rectangle.
So with the help of options,
(A)
A polygon has four right angles.
It is not compulsory, polygon can have more than four sides.
(B)
A polygon is either a square or a rectangle.
This condition is true, because if all sides of polygon are equal than it will square and if all sides are not equal, then it will rectangle.
So, polygon with four right angles is either square or rectangle.
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Can someone help with these geometry questions? I gotta have answers fast, it’s urgent:(
Can't answer 1-6 cause I have no idea what you need
7) A triangle with two congruent sides is isosceles.
8) \(\overline{AC}\) and \(\overline{BC}\)
9) \(\angle C\)
10) \(\overline{AB}\)
11) \(\angle A, \angle B\)
12) isosceles triangle
Factor by identifying a common factor in each term. help
g) 6xy2 = (3x) (?)
h) 25a3b2 = (5a2b2) (?)
i) 6x + 6y + 6p
Answer:
6xy^2=3x(2y²) common factor 3x
25a³b²=5a²b²(5a)
6x+6y+6p = 6(x+y+p)
find a · b. |a| = 80, |b| = 30, the angle between a and b is 3/4. correct: your answer is correct.
The dot product of vectors an and b is -60√2. Here the dot product of vectors an and b also |a| = 80, |b| = 30, and the angle between a and b is 3/4, you can use the following formula to find a · b:
a · b = |a| * |b| * cos(angle)
First, we need to convert the angle from 3/4 to radians, as the cosine function typically takes radians as input: angle = (3/4) * π
Now, plug the values into the formula: a · b = 80 * 30 * cos((3/4) * π)
Compute the cosine value: a · b = 80 * 30 * (-√2 / 2)
Finally, multiply the values together: a · b = -60√2
So, the dot product of vectors a and b is -60√2.
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The table shows the relationship between the number of calories Darrell Burns while kayaking and the number of minutes he kayaks
How many calories will Darrell burn in 1 minute while kayaking? Please I need help :(
The number of calories that Darrell will burn in 1 minute while kayaking is given as follows:
4 calories.
How to obtain the number of calories?The number of calories that Darrell will burn in 1 minute while kayaking is obtained applying the proportions in the context of the problem.
For each input-output pair in the table, the constant of proportionality is of 4, hence the number of calories that Darrell will burn in 1 minute while kayaking is given as follows:
4 calories.
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Find the value of a in the equation below.
5 = x - 18
Answer:
There's no A so I'm going to assume you meant X
X = 23
Step-by-step explanation:
X is equal to 23, because 23 - 18 = 5
or 5 + 18 = 23
what is g(5)?
g(x)=−x+4, find g(5)
Answer:
g(5) = -1
Step-by-step explanation:
g(5)= -(5)+4
g(5)= -1
Answer:
-1
Hope you could get an idea from here.
Doubt clarification - use comment section.
꧁TheoriesMadeTheWorld꧂
One reason for a t distribution instead of the normal curve to find critical values when calculating a level C confidence interval for a population mean is that O the standard normal table doesn't include confidence levels at the bottom. O a z critical value will lead to a wider interval than a t critical value. O z requires that you can regard your data as an SRS from the population. O z requires that you know the population standard deviation sigma. O z can be used only for large samples.
The fact that z requires that you know the population standard deviation sigma is one reason why a t distribution rather than the normal curve is used to identify critical values when determining a level C confidence interval for a population mean.
C is the right response. The fact that z requires that you know the population standard deviation sigma is one reason why a t distribution rather than the normal curve is used to identify critical values when determining a level C confidence interval for a population mean.
Depending on whether we know the population standard deviation or not, we either use a z distribution or a t distribution when computing a confidence interval for a population mean. We use a z distribution when we know the group standard deviation. We employ a t distribution when it is unclear what the population standard deviation is.
The population standard deviation is not known, so we use the sample standard deviation to determine it.
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Beth insures her $100,000 house with a 80/20 homeowner's policy. She has a fire that does
$10,000 worth of structural damage. How much will the insurance company pay Beth?
$10,000
$3,750
$8,000
$2,000
Answer:
$8,000
Step-by-step explanation:
The computation of the amount that paid by the insurance company to Beth is shown below:
The damage is of $10,000
So here 80: 20 represents that 80% is paid by the insurance company and 20% you would be paid
So
= Structural damage × percentage paid by the insurance company
= $10,000 × 80%
= $8,000
Hence, the correct option is third
find the missing number so that the equation has no solutions. 5x+1-3x=_x+13
Answer:
You may just add 2 in the spot. Moreover, you get no solution.
Step-by-step explanation:
Hope this helped!
best be solved with the inequality 40 – 3x ≥ 5
Answer:
A. You bring $40 to the carnival. You need to keep at least $5 for the bus ride home. how many $3 dollar rides can you go on
Step-by-step explanation:
Answer:
ummmmmmmmmm m?mmm?mmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmm
Let X(n) be the number of letters printed by procedure Print Xs() below if the input is n (where n ≥ 1). (i) Give the exact formula for X(n) using the notation. (ii) Give the exact closed-form formula for X(n) expressed as a polynomial function. (iii) Give the asymptotic value of X(n) using the e-notation. Justify your answer. procedure PrintXs(n) for i 1 to 4n+ 1 for j← 1 to i do print ("X")
the exact formula for X(n) is given by the sum of i from 1 to 4n + 1. The closed-form formula for X(n) is (4n + 1)(4n + 2)/2, expressed as a polynomial function. The asymptotic value of X(n) is approximately 4n^2, representing the growth rate as n approaches infinity.
(i) The exact formula for X(n) can be determined by analyzing the procedure PrintXs(n) and counting the number of times the letter "X" is printed. In this case, the outer loop runs for 4n + 1 iterations, and for each iteration, the inner loop runs i times. Thus, the total number of "X" letters printed is given by the sum of i from 1 to 4n + 1.
(ii) To express X(n) as a closed-form polynomial function, we can simplify the sum mentioned above. By using the formula for the sum of an arithmetic series, the closed-form formula for X(n) can be written as X(n) = (4n + 1)(4n + 2)/2.
(iii) The asymptotic value of X(n) can be expressed using the e-notation, which represents an estimate of the growth rate. In this case, as n approaches infinity, the dominant term in the expression (4n + 1)(4n + 2)/2 is 4n^2. Therefore, we can express the asymptotic value of X(n) as X(n) ~ 4n^2.
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FIRST TO ANSWER GETS BRAINLIEST & POINTS
Answer:
the answer is 3.6
can you also please mark me as brainliest?
thanks
Lin runs 8 laps around a track in 10 minutes.
Type the correct answer in each box below.
a. How many minutes per lap is that?
minutes
b. How many laps per minute is that?
laps
c. If Lin runs 18 laps at the same rate, how long does it take her?
minutes
Please help me on this!
Answer:
One solution
Step-by-step explanation:
I added a photo of my solution
Answer:
The system has one solution: (0, 4).
What is the rule for the function shown in the table?
Input x -2, -1, 0, 1, 2
Output y 4, 1, -2, -5, -8
y = -2 x
y = x – 6
y = -3 x - 2
y = -2 x – 2
Answer:
y = - 3x - 2
Step-by-step explanation:
The function is linear and can be expressed in slope- intercept form
y = mx + c ( m is the slope and c the y- intercept )
Calculate m using the slope formula
m = \(\frac{y_{2}-y_{1} }{x_{2}-x_{1} }\)
with (x₁, y₁ ) = (- 2, 4) and (x₂, y₂ ) = (- 1, 1) ← 2 ordered pairs from the table
m = \(\frac{1-4}{-1-(-2)}\) = \(\frac{-3}{-1+2}\) = \(\frac{-3}{1}\) = - 3 , then
y = - 3x + c
To find c substitute any ordered pair into the equation
using (0, - 2 ) , then
- 2 = - 3(0) + c = 0 + c ⇒ c = - 2
y = - 3x - 2 ← function rule
Answer:
y = - 3x - 2
Step-by-step explanation:
suppose apple has collected extensive survey data about its new iphone, and respondents have rated it on 20 different features and benefits. now researchers want to reduce the amount of data to a few underlying dimensions. which data analysis technique should the researchers use?
In the provided problem of collection survay data the researchers use the Cluster Analysis data analysis techniques.
Cluster analysis is a statistical technique for processing data. It works by organizing items into groups or clusters based on how closely related they are.
Cluster analysis, similar to reduced-space analysis (factor analysis), deals with data matrices in which the variables have not been previously split into reference and prediction subsets. The goal of cluster analysis is to find similar groups of subjects. Here, “similarity” between each pair of subjects means a global measure of the entire set of traits.
The most common use of cluster analysis is classification. Subjects are divided into groups such that each subject is more similar to other subjects within that group than subjects outside the group.
Cluster analysis used in following areas
In the context of market research, this can be used to identify categories such as age ranges, income ranges, urban, rural, or suburban locations.
Marketing can use cluster analysis for audience segmentation to target different customer groups with the most relevant messages.
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Can someone help me how to do these two please
Answer:
1.B
2.B
hope this helps
Answer:
B. 62mph
B. 55weeks
Step-by-step explanation:
496 ÷ 8 = 62
15weeks/3houses = x weeks/11houses
15 × 11 ÷ 3 =55weeks
good luck, i hope this helps :)
Please help i'm desperate!!
it is 35 feet across a circular swimming pool if you swim through the center.what is the circumference of the pool?round to the nearest tenth
If two out of every fifteen trick or treaters that came to your house last halloween were dressed as spider-man, what proportion of trick or treaters were not dressed as spider-man?
Given:
The fraction of treaters dressed up us halloween, x=2/15.
Let the total trickers be taken as 1.
Now, the proportion of treakers that were not dressed up as spiderman is,
\(\begin{gathered} y=1-x \\ =1-\frac{2}{15} \\ =\frac{15-2}{15} \\ =\frac{13}{15} \end{gathered}\)