Answer:
The answer is **C. 2x+y**
* Expand the parentheses: 7x-14y - 5x+15y
* Combine like terms: 2x+y
Here is the step-by-step solution:
1. Expand the parentheses:
```
7(x-2y)-5(x-3y)
= 7x-14y - 5x+15y
```
2. Combine like terms:
```
= (7x-5x) + (-14y+15y)
= 2x + y
```
Step-by-step explanation:
Answer:
Let's simplify the expression step by step:
7(x - 2y) - 5(x - 3y)
= 7x - 14y - 5x + 15y (distributing the 7 and -5)
= 2x + y (combining like terms)
Therefore, the simplified expression is 2x + y, which corresponds to option [C].
Step-by-step explanation:
Phil owns a ranch business and uses four-wheelers to do much of his work. Occasionally, though, he and his boys will go for a ride together as a family activity. During year 1, Phil put 1,124 miles on the four-wheeler that he bought on January 15 for $12,800. Of the miles driven, only 274 miles were for personal use. Assume four-wheelers qualify to be depreciated according to the five-year MACRS schedule and the four-wheeler was the only asset Phil purchased this year. (Use MACRS Table 1, Table 2, Table 3, Table 4 and Table 5.) (Do not round intermediate calculations. Round your final answers to the nearest whole dollar amount.) b. Calculate the allowable depreciation for year 2 if total miles were 1,610 and personal-use miles were 760 (ignore the §179 expense and bonus depreciation).
Phil owns a ranch business and uses four-wheelers to do much of his work the allowable depreciation for year 2 is $4,096.
To calculate the allowable depreciation for year 2, we need to determine the depreciation basis of the four-wheeler and then apply the appropriate MACRS depreciation rate.
The depreciation basis is the original cost of the asset minus any Section 179 expense deduction and any bonus depreciation claimed.
Since we are ignoring these deductions in this case, the depreciation basis is simply the original cost of the four-wheeler:
Depreciation Basis = $12,800
To determine the MACRS depreciation rate for year 2, we need to consult Table 2 from the MACRS tables, which gives the percentage rates for assets in the 5-year class for each year of the recovery period. According to Table 2, the depreciation rate for year 2 is 32%.
Using this information, we can calculate the allowable depreciation for year 2 as follows:
Depreciation for Year 2 = Depreciation Basis × MACRS Depreciation Rate for Year 2
Depreciation for Year 2 = $12,800 × 32%
Depreciation for Year 2 = $4,096
Therefore, the allowable depreciation for year 2 is $4,096.
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FIND THE SUM OF GEOMETRIC SERIES 3+2.55+2.1675+1.842375+...
The sum of geometric series 3+2.55+2.1675+1.842375+...
Hence, the correct option is B.
To find the sum of a geometric series, we can use the formula
S = a(1 - [tex]r^{n}[/tex]) / (1 - r)
Where
S = sum of the geometric series
a = first term of the series
r = common ratio of the series
n = number of terms in the series
In this case, we can see that the first term is 3 and the common ratio is 2.55/3 = 0.85. We can also see that there are an infinite number of terms in the series.
Using the formula for an infinite geometric series, we can simplify the formula to
S = a / (1 - r)
By putting these values we have, we get
S = 3 / (1 - 0.85) = 20.
Hence, the sum of the geometric series is 20.
Hence, the correct option is B.
The question is incomplete and the complete question is '' FIND THE SUM OF GEOMETRIC SERIES 3+2.55+2.1675+1.842375+...
A. 8
B. 20
C. 12
D. 4 ''
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Based on this equation, estimate the rating of chips whose cost is $1.10.
Round your answer to the nearest hundredth.
The estimated rating of chips whose cost is $1.10 is 2.25.
Estimating the rating of chips whose cost is $1.10.From the question, we have the following parameters that can be used in our computation:
y = 2.5x - 0.5
To estimate the rating of chips whose cost is $1.10, we can substitute x = 1.10 into the equation y = 2.5x - 0.5 and solve for y.
y = 2.5x - 0.5
y = 2.5(1.10) - 0.5
y = 2.75 - 0.5
y = 2.25
Therefore, the estimated rating of chips whose cost is $1.10 is 2.25. Rounded to the nearest hundredth, it is 2.25.
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It takes Sam 40 minutes to jog 5 kilometers. How far can he jog in 60 minutes?
Answer:
7.5 kilometers
Step-by-step explanation:
[tex]\frac{40}{5}[/tex] = [tex]\frac{60}{x}[/tex]
[tex]\frac{40}{5}[/tex] can be simplified to 8
8 = [tex]\frac{60}{x}[/tex] Multiply both sides by x
8x = 60 Divide both sides by 8
[tex]\frac{8x}{8}[/tex] = [tex]\frac{60}{8}[/tex]
x = 7.5
Helping in the name of Jesus.
nangle
In order to justify your general statement above (to give a reason why it is true), construct the angles A, B
and C of triangle 1 around point M as in the diagram below.
H
Are [MN] and [ML] on the same straight line?
Answer:
MN and ML are on the same straight line.
Which of the following is true for the traditional economy?
Answer:
They barter, or trade (without using money). Economic systems are based on customs, traditions, and beliefs of the past.
Step-by-step explanation: -
Which of the following equations represents a line that is perpendicular to the line that passes through the points below?
(-3,10) (3,8)
The equation of the line that is perpendicular to the line passing through the points (-3, 10) and (3, 8) is y = 3x + 9.
To find a line that is perpendicular to another line, we need to use the fact that the slopes of the two lines are negative reciprocals of each other.
The slope of a line passing through two points (x1, y1) and (x2, y2) can be found using the slope formula:
slope = (y₂ - y₁)/(x₂ - x₁)
Therefore, the slope of the line passing through the points (-3, 10) and (3, 8) can be found as follows:
slope = (8 - 10)/(3 - (-3)) = -1/3
Now, to find the equation of a line perpendicular to this line, we need to find the negative reciprocal of the slope -1/3, which is 3.
Therefore, the slope of the line perpendicular to the given line is 3.
Now, we can use the point-slope form of a linear equation to find the equation of the perpendicular line. The point-slope form of a linear equation is:
y - y₁ = m(x - x₁)
where m is the slope of the line, and (x₁, y₁) is any point on the line.
We know the slope of the perpendicular line is 3, and we can choose any point on the line. Let's choose the midpoint of the given points (-3, 10) and (3, 8), which is
=> ((-3+3)/2, (10+8)/2) = (0, 9).
So, using the point-slope form of the equation with m = 3 and (x1, y1) = (0, 9), we get:
y - 9 = 3(x - 0)
Simplifying this equation, we get:
y = 3x + 9
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A washer and a dryer cost $949 combined. The washer costs $99 more than the dryer. What is the cost of the dryer?
Step-by-step explanation:
Subtract the 99 from 949 then divide by 2
949-99= 425 dollars = price of dryer
( then washer is 425 + 99 )
Help is my work right?
Answer:
32[tex]a^{35}[/tex]
Step-by-step explanation:
using the rules of exponents
[tex]a^{m}[/tex] × [tex]a^{n}[/tex] = [tex]a^{(m+n)}[/tex]
[tex](a^m)^{n}[/tex] = [tex]a^{mn}[/tex]
[tex](2a^3a^4)^{5}[/tex]
= (2[tex]a^{(3+4)}[/tex] )^5
= [tex](2a^7)^{5}[/tex]
raise each term inside the parenthesis to power 5
= [tex]2^{5}[/tex] × [tex]a^{7(5)}[/tex]
= 32[tex]a^{35}[/tex]
Answer:
32[tex]a^{35}[/tex]
Step-by-step explanation:
using the rules of exponents
[tex]a^{m}[/tex] × [tex]a^{n}[/tex] = [tex]a^{(m+n)}[/tex]
[tex](a^m)^{n}[/tex] = [tex]a^{mn}[/tex]
[tex](2a^3a^4)^{5}[/tex]
= (2[tex]a^{(3+4)}[/tex] )^5
= [tex](2a^7)^{5}[/tex]
raise each term inside the parenthesis to power 5
= [tex]2^{5}[/tex] × [tex]a^{7(5)}[/tex]
= 32[tex]a^{35}[/tex]
The length of a rectangle is 2x+ 5 units and the width is 7x+ 1 units. Find the area of the rectangle.
I’m stuckkkk please helpppp
The hiking trial at the state park that is the longest would be D. Hilltop
How to find the longest hiking trail?To find the hiking trail that is longest, convert the lengths shown to one form so as to see which is the longest.
Mammoth = 8.005 kilometers
Brookside = 8. 7 kilometers
Wild Rose = 8, 080 meters = 8. 08 kilometers
Hilltop = 8 kilometers 800 meters = 8. 8 kilometers
This then shows that the hiking trail that is the longest in the state park is the Hilltop trail which goes for 8. 8 kilometers.
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What meaning of the statement this?
The meaning of the given statement is concept of a cyclic subgroup in group theory.
What is cyclic group?
In group theory, a cyclic group is a group that can be generated by a single element. That is, it is a group that is generated by a single element a, where any element of the group can be expressed as a power of a.
The order of a cyclic group is equal to the order of its generator. If the generator has order n, then the cyclic group has n elements. The group operation in a cyclic group can be either additive or multiplicative, depending on the notation used.
The statement defines a cyclic subgroup is a subgroup of a group that is generated by a single element. The element used to generate the subgroup is called the generator of the cyclic subgroup. The set of all powers of the generator, including the inverse powers and the identity element, forms the cyclic subgroup.
In other words, the cyclic subgroup generated by an element a of a group is the smallest subgroup that contains a. It consists of all possible combinations of a and its inverse under the group operation.
A group or subgroup is called cyclic when it can be generated by a single element. In other words, if every element of the group can be expressed as a power of a single element, then the group is cyclic.
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25.
What is the height of a box if the width is x + 1, the length is x + 3, and the volume is x3 + 6x2 + 11x + 6? (Hint: Recall
that V= (wh.)
Ox+2
none of the answer choices
O-x-2
O x-2
-x+2
0
The height of box for the given cuboid satisfied the relation through which the volume of cuboid is satisfied is, height = x+2
What about volume of cuboid?
A cuboid is a three-dimensional shape that has six rectangular faces, where each face has four sides and four right angles. The volume of a cuboid is the amount of space that it occupies in three-dimensional space. It is measured in cubic units.
The formula to calculate the volume of a cuboid is given by multiplying its length, width, and height.
Volume of cuboid = Length x Width x Height
The volume of a cuboid can be used to determine the amount of space that it can hold or the amount of material required to fill it.
The volume of a cuboid can be calculated by multiplying its length, width, and height.
If the length of the cuboid is represented by "l", the width by "w", and the height by "h", then the volume can be calculated using the formula:
Volume of cuboid = l x w x h
According to the given information:
As, we know that the volume of cuboid = length x breath x height
Given volume of cuboid is = [tex]x^{3} + 6x^{2} +11x^{} + 6[/tex]
And width = x + 1 and length = x + 3.
Volume of cuboid = length x breath x height
⇒ [tex]x^{3} + 6x^{2} +11x^{} + 6[/tex] = (x + 1)(x + 3) x height
⇒ height = [tex]\frac{x^{3} + 6x^{2} +11x^{} + 6}{(x+1)(x+3)}[/tex]
⇒ height = [tex]\frac{(x+1)(x+2)(x+3)}{(x+1)(x+3)}[/tex]
⇒ height = (x+2)
So, the height of the given cuboid is (x+2)
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At a local college 29 of the male students are smokers and 262 are non smokers. Of the female students, 40 are smokers and 360 are non smokers. A male student and a female student from the college are randomly selected for a survey. What is the probability that both are smokers
The probability that both a male student and a female student from the college are smokers is 0.01 or 1%.
We have,
Let's first find the probability of selecting a male smoker and then the probability of selecting a female smoker.
P(Male smoker) = Number of male smokers / Total number of male students
P(Male smoker) = 29 / (29 + 262)
P(Male smoker) = 0.10
Similarly, the probability of selecting a female smoker is:
P(Female smoker) = Number of female smokers / Total number of female students
P(Female smoker) = 40 / (40 + 360)
P(Female smoker) = 0.10
Now, we can find the probability of selecting both a male smoker and a female smoker by multiplying the probabilities:
P(Both smokers) = P(Male smoker) x P(Female smoker)
P(Both smokers) = 0.10 x 0.10
P(Both smokers) = 0.01
Therefore,
The probability that both a male student and a female student from the college are smokers is 0.01 or 1%.
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In settings where we can assume that each possible outcome is equally likely to occur we are
using theoretical probabilities. We do this when we expect a coin to have the same chance of
landing on heads as it does on tails. We also do this when we assume that if we roll a six sided
die each possible number has the same chance of landing up.
The statement on theoretical probabilities is True.
What is theoretical probability ?Theoretical probabilities, referred to as classical probabilities, are utilized when we can suppose that each conceivable result has an equal chance of happening.
Typically, this is observed in games of luck like tossing a coin or rolling dice, where the chances of every possible outcome are equivalent. Such scenarios permit one to use probability principles and determine the probability of each outcome transpiring.
For instance, with fair coins, it's reasonable to assert that there's an even likelihood for heads or tails, setting both probabilities at 1/2.
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the expression 30 x squared - 100x - 60 and (5x-20) (6x+3) define the same function f. Which expression makes it easier to find f of 0
URGENT!! Please help
The correlation coefficient between the minutes the actor appeared shirtless in a film and the film's opening weekend gross is 0.75.
How to write the linear regression equation and determine the correlation coefficient?In this scenario, the minutes shirtless (x) would be plotted on the x-axis of the scatter plot while the open weekend gross (y) would be plotted on the x-axis of the scatter plot.
By critically observing the scatter plot (see attachment) which models the relationship between the minutes shirtless (x) and the open weekend gross (y), an equation for the linear regression is given by:
y = 10.83 + 0.86x
Correlation coefficient, r = 0.7488571925 ≈ 0.75
In conclusion, we can logically deduce that there is a strong correlation between the data because the correlation coefficient (r) is approximately greater than 0.7;
0.7＜|r| ≤ 1 (strong correlation)
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is 400% of 2 less than 10, greater than 10 but less than 100, or greater than 100?
Answer:
400% of 2 is 8, so it would be less than 10
Step-by-step explanation:
The following describes a classroom environment for doing mathematics ". Which one does not fit
Group work and group discussion are discouraged is a factor that does not fit into the environment for doing mathematics
How is the environment for doing mathematicsThe mathematics scope can differ contingent upon a person's exact circumstances in addition to their individual preferences. As a whole, however, math is customarily studied and exercised within tranquil and absorbed settings that allow for intensive thought processes. A few typical conundrums for executing mathematics tasks encompass:
Libraries: Many mathematicians affectionately flock to libraries for their serene environment furthermore the availability of learning materials and related informational sources. University-focused facilities usually brag extensive selections of mathematics books as well as magazines.
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Rajindri, a physician assistant who works in an emergency room, earns $163 for every two hours that she works.
Which equation represents the relationship between d, the number of dollars Rajindri earns, and t, the amount of time Rajindri works, in hours?
A. d= 163 + t
B. d= 163/2 × t/2
C. d= 163t
D. d= 81.50t
Answer:
C. d= 163t represents the relationship between d, the number of dollars Rajindri earns, and t, the amount of time Rajindri works, in hours. This is because Rajindri earns $163 for every two hours that she works, which means she earns $81.50 for each hour that she works. Therefore, the equation that relates the number of dollars earned to the number of hours worked is d = 163t.
Step-by-step explanation:
How many pounds of almonds priced $5.35 per pound should be mixed with peanuts worth $3.75 per pound in order to obtain 20 pounds of mixture that will sell for $4.50 per pound?
Answer:
9.375 pounds of almonds with 10.625 pounds of peanuts----------------------
To solve this problem, we can use a system of equations with two variables:
x = pounds of almonds at $5.35,y = pounds of peanuts at $3.75.
We have two equations based on the given information:
Solve the first equation for x:
x = 20 - ySubstitute the expression for x into the second equation:
5.35(20 - y) + 3.75y = 90Simplify and solve for y:
107 - 5.35y + 3.75y = 90-1.60y = -17y = 10.625Substitute the value of y back into the expression for x:
x = 20 - 10.625x = 9.375So, you should mix 9.375 pounds of almonds with 10.625 pounds of peanuts to obtain 20 pounds of mixture that will sell for $4.50 per pound.
Answer:
Step-by-step explanation:
You should mix 9.375 pounds of almonds with 10.625 pounds of peanuts to obtain 20 pounds of mixture that will sell for $4.50 per pound.
reduce to lowest terms 4x^y^3/-8x^2y
Answer:
x^(y^3-1) / -2xy
Step-by-step explanation:
4x^y^3 = 4x^(y^3)
-8x^2y = -8x^2y^1
= 4x^(y^3) / -8x^2y^1
= (4x^(y^3) / 4xy) / (-8x^2y^1 / 4xy)
= x^(y^3-1) / -2xy
Answer:
Step-by-step explanation:
Solve the system of equations.
y = 2 - 6x
1/2y - x = 1
Question 4 options:
(0,-2)
(2,0)
(-2,0)
(0,0)
(1,-4)
Answer:
Step-by-step explanation:
We can start by solving the second equation for y:
1/2y - x = 1
1/2y = x + 1
y = 2x + 2
Now we can substitute this expression for y into the first equation:
y = 2 - 6x
2x + 2 = 2 - 6x
Adding 6x to both sides, we get:
8x + 2 = 2
Subtracting 2 from both sides, we get:
8x = -0
Dividing both sides by 8, we get:
x = 0
Now we can use this value of x to find y:
y = 2x + 2
y = 2(0) + 2
y = 2
Therefore, the solution to the system of equations is x=0 and y=2.
Find the volume of the prism. Round your answer to the nearest tenth, if necessary.
cm³
18 cm
8 cm
16 cm
Answer: 2304.0 cm³
Step-by-step explanation: V = length x width x height
V = 18 cm x 8 cm x 16 cm
V = 2304 cm³
Correct
The owner of a new pizzeria in town wants to study the relationship between weekly revenue and advertising expenditures. All measures are recorded in thousands of
dollars. The summary output for the regression model is given below.
df
SS
Regression 1 16.54127801
Residual 6 5.641280047
Total 7
22.18255806
ANOVA
MS
F
16.54127801 17.59311136
0.94021334
Significance F
0.005721150
Step 1 of 3: What is the coefficient of determination for this model, R2? Round your answer to four decimal places.
Answer:
17.023413
Step-by-step explanation:17.023413
Calculate how far up the wall the ladder reaches
The maximum height of the ladder on the wall is given as follows:
h = 8.7 m.
What are the trigonometric ratios?The three trigonometric ratios are the sine, the cosine and the tangent, and they are defined as follows:
Sine of angle = length of opposite side to the angle divided by the length of the hypotenuse.Cosine of angle = length of adjacent side to the angle divided by the length of the hypotenuse.Tangent of angle = length of opposite side to the angle divided by the length of the adjacent side to the angle.For the angle of 60º, the parameters are given as follows:
Adjacent side: 5 m.Opposite side: maximum height.Hence the maximum height is obtained as follows:
tan(60º) = h/5
h = 5 x tangent of 60 degrees
h = 8.7 m.
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Supplementary angles
The angle that is supplementary to the angle DEA is angle DEC
Finding the angle that is supplementary to the angle DEAFrom the question, we have the following parameters that can be used in our computation:
The lines HF and CAThe transversal line GEAlso from the question, we have
Angle = DEA
As a general rule;
Two angles are said to be supplementary if their sum add up tp 180 degrees
This means that the angles are on a straight line
The angle are on the same straight line with ange DEA is DEC
Hence, the angle is angle DEC
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Pleaseeeee helppp meeee
Subtracting 8 times the first row to the second row we will get the matrix.
[tex]\left[\begin{array}{ccc}1&10&-23\\0&-83&249\end{array}\right][/tex]
How to get a zero in row 2, column 1?To get that, you will need to take row 2 and subtract 8 times row 1, then the values of each column will be:
Remember that the rows are the horizontal vectors and the columns are the vertical ones.
8 - 8*1 = 0
-3 - 8*10 = -83
65 - 8*-23 = 249
Then the new matrix will be:
[tex]\left[\begin{array}{ccc}1&10&-23\\0&-83&249\end{array}\right][/tex]
That is the matrix with a zero in row 2, column 1.
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A wave is traveling at a speed of 3.4m/s has a length of 1.3m. what is its frequency?
The frequency of the wave is 2.62 Hz
If a = 3 and b = -2, what is the value of a2 + 3ab ”“ b2?