Answer:
38,300
Step-by-step explanation:
The hundredth number is the third number to the left from the right.
If we look to the number right of 2, there 7.
Since we are rounding: 5 or more...raise the score, 4 or less...let it rest.
Well 7 is greater than 5 so we round 2 up to 3
Hope this helps
Hi there!
»»————- ★ ————-««
I believe your answer is:
38,273 ≈ 38,300
»»————- ★ ————-««
Here’s why:
We would first locate the hundreds place. The hundreds digit would be '2'.38,273
If the tens place (the digit to the right) is greater than or equal to 5, then we would round up. If the tens place is less than or equal to 4, we round down. Since the 7 is greater than or equal to 5, we would round up.⸻⸻⸻⸻
38,273 ≈ 38,300
⸻⸻⸻⸻
»»————- ★ ————-««
Hope this helps you. I apologize if it’s incorrect.
Find each difference. 8.5 - 7.6
Answer:
The difference is
.9
Which system of equations is represented by the graph?
With explanation on how to solve pls!
The ordered pair (3, 3) satisfies both equations simultaneously, and hence it is the solution to the system of equations represented by the Graph.
The system of equations represented by the graph is 2x - 3y = 9 and -x + 4y = 12.
The graph contains two lines that intersect at a point, which is the solution to the system of equations.What is a System of Equations?A system of equations is a set of two or more equations that are to be solved simultaneously. These equations have the same variables.
If the system has two equations, it is called a system of two linear equations in two variables. The variables represent two unknown quantities, and the equations represent the relationships between them.Graphical Representation of a System of EquationsThe graphical representation of a system of equations is done by plotting the lines that are represented by the equations on the same coordinate plane.
If the two lines intersect at a point, then that point is the solution to the system of equations.The solution to the system of equations is the ordered pair that satisfies both equations simultaneously. This means that if we substitute the values of the ordered pair into both equations, the equations will be true.
The Solution to the System of Equations represented by the GraphThe graph of the system of equations given in the question contains two lines that intersect at a point. The point of intersection is (3, 3).
Therefore, the solution to the system of equations is (3, 3).Now we can verify that the ordered pair (3, 3) is the solution to both equations. When we substitute x = 3 and y = 3 in the first equation, we get:2x - 3y = 9 ⇒ 2(3) - 3(3) = 9 ⇒ 6 - 9 = -3This equation is true. Now we can substitute x = 3 and y = 3 in the second equation, we get:-x + 4y = 12 ⇒ -(3) + 4(3) = 12 ⇒ -3 + 12 = 9
This equation is also true.
Therefore, the ordered pair (3, 3) satisfies both equations simultaneously, and hence it is the solution to the system of equations represented by the graph.
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Determine the product of 4.5 and 7.18. Show your work steps below.
what can be inferred from the residual plot depicted below? a. there is no correlation between the two variables b. the regression equation is not a good representation of the association between the two variables c. the regression equation is a good representation of the association between the two variables d. none of the above
Without seeing the residual plot depicted, it is difficult to infer anything about it. However, in general, a residual plot is used to assess the goodness of fit of a regression model.
It shows the differences between the predicted values from the regression equation and the actual values of the dependent variable. If the plot shows a random pattern with no clear trends, it suggests that the regression equation is a good representation of the association between the two variables. If there is a clear pattern or trend in the plot, it suggests that the regression equation is not a good representation of the association between the two variables. Therefore, based on the information provided, the most appropriate answer would be (b) or (c), depending on the characteristics of the residual plot depicted.
Based on the information given, I am unable to see the residual plot depicted below. However, I can explain what can be inferred from a residual plot in general when analyzing the relationship between two variables and the regression equation.
When examining a residual plot, you can infer the following:
a. If the plot shows a random scatter of points, it indicates that there is no correlation between the two variables.
b. If the plot shows a pattern or systematic trend, it means that the regression equation is not a good representation of the association between the two variables.
c. If the plot shows a random scatter of points around the horizontal axis (with no patterns or trends), it suggests that the regression equation is a good representation of the association between the two variables.
d. None of the above would apply if the residual plot does not fit any of the descriptions mentioned in options a, b, or c.
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The equation of the line with slope = 3, going through point (2, 4) is:
\((\stackrel{x_1}{2}~,~\stackrel{y_1}{4})\hspace{10em} \stackrel{slope}{m} ~=~ -3 \\\\\\ \begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-\stackrel{y_1}{4}=\stackrel{m}{-3}(x-\stackrel{x_1}{2}) \\\\\\ y-4=-3x+6\implies y=-3x+10\)
the call to calcdrivingdistance() takes 3 seconds to return a result, as the driving directions algorithm requires searching through many possible routes to calculate the optimal route. the other operations, like incrementing the index and comparing the distances, take only a few nanoseconds.
Total time(arithmetic) taken by app to show nearest charging port will be 30 seconds.
What is arithmetic?
In mathematics, it deals with numbers of operations according to the statements. There are four major arithmetic operators, addition, subtraction, multiplication and division.
Main body:
As the driving directions algorithm requires searching through many possible routes to calculate the optimal route. the other operations, like incrementing the index and comparing the distances, take only a few nanoseconds.
Hence total time will be 30 seconds.
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Can somebody plz help answer the questions correctly (only if u know how to do this) lol thanks :)
WILL MARK BRAINLIEST WHOEVER ANSWERS FIRST !!!:DD
Answer:
21) y/4=3
multiply 4 to each side
y = 12
22) y/6=7
multiply 6 to each side
y = 42
For 23 - 26 its the same prosses as the first two
-5y+5= -2(4y+8)
what does the variable y equal??
After evaluating the expression, the value of the variable y is -7.
Given, the expression is -5y + 5 = -2(4y + 8)
Solve the expression.
-5y + 5 = -2(4y + 8)
First open the parentheses from the right side.
-5y + 5 = -2(4y + 8)
-5y + 5 = -8y - 16
arrange the variable terms on the left side.
-5y + 8y + 5 = -16
arrange the constants on the right side.
-5y + 8y = -16 - 5
add or subtract the terms as required.
3y = -21
solve for y.
y = -21/3
divide the numbers.
y = -7
Hence we get the value for the variable 'y' as -7.
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2. Three families bought food at a basketball game. The Davis family spend $16.50 on 3 hotdogs, 2
drinks, and 1 pretzel. The Ruiz family spend $26 on 4 hotdogs, 4 drinks, and 2 pretzels. The Cho family
spend $13.75 on 2 hotdogs, 1 drink, and 3 pretzels. Write a system of equations and solve for the price of each item
Answer:
x = $3.5
y = $2.25
z = $1.5
Step-by-step explanation:
let x = price of a hotdog
y = price of a drink
z = price of a pretzel
according to the question:
Davis family spends: 3x+2y+z = $16.50 (equation 1)
Ruiz family spends: 4x+4y+2z = $26 (equation 2)
Cho family spends: 2x+y+3z = $13.75 (equation 3)
from eq. 1
z = 16.50-3x-2y
substituting in eq.2
4x+4y+2(16.50-3x-2y) = 26
4x+4y+33-6x-4y=26
-2x=26-33
thus x = $3.5
from eq. 3
y = 13.75-2x-3z
y = 13.75-2(3.5)-3z
y = 13.75-7-3z
y=6.75-3z
thus,
z = 16.50-3(3.5)-2(6.75-3z)
z = 16.50-10.5-13.5+6z
z-6z = -7.5
-5z = -7.5
thus z = $1.5
thus
y = 6.75-3(1.5)
y = $2.25
What is the measure of ∠x
Answer:
66°
Step-by-step explanation:
∠x= ∠EJI= 105°- 39°= 66°
I NEED HELP ASAP I NEED HELP ASAP NEED HELP ASAPI NEED HELP ASAPI NEED HELP ASAP
Answer:
it's C!!!
30x times 1/2= 15x
30 times -2 = -60
40y times 3/4= 30y
40 times -4= -160
add like terms so -60 + -160 = -220
so it's 15x +30y -220
write the following expression without negative exponents and without parentheses (-9x)^-2
The value of the expression is 1/(9x)^2
How to evaluate the expressionFrom the question, we have the following parameters that can be used in our computation:
(-9x)^-2
We can write the expression without negative exponents by using a fraction with a positive exponent:
(-9x)^-2 = 1/(-9x)^2
And without parentheses, this expression becomes:
1/(9x)^2
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what is 428 x 27 need help
\(428 \times 27 = (400 + 28) \times 27 = \\ \)
\(400 \times 27 + 28 \times 27 = \)
\(10800 + (27 + 1)(27) = \)
\(10800 + 27 \times 27 + 27 \times 1 = \)
\(10800 + 729 + 27 = 11556\)
In a recent election, 63% of all registered voters participated in voting. In a survey of 275 retired voters, 162 participated in voting. Which is higher, the population proportion who participated or the sample proportion from this survey?
The population proportion who participated in voting (63%) is higher than the sample proportion from this survey (58.91%).
To determine whether the population proportion who participated in voting or the sample proportion from the survey is higher, we need to compare the percentages.
The population proportion who participated in voting is given as 63% of all registered voters.
This means that out of every 100 registered voters, 63 participated in voting.
In the survey of retired voters, 162 out of 275 participants voted. To calculate the sample proportion, we divide the number of retired voters who participated (162) by the total number of retired voters in the sample (275) and multiply by 100 to get a percentage.
Sample proportion = (162 / 275) \(\times\) 100 ≈ 58.91%, .
Comparing the population proportion (63%) with the sample proportion (58.91%), we can see that the population proportion who participated in voting (63%) is higher than the sample proportion from this survey (58.91%).
Therefore, based on the given data, the population proportion who participated in voting is higher than the sample proportion from this survey.
It's important to note that the sample proportion is an estimate based on the surveyed retired voters and may not perfectly represent the entire population of registered voters.
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Please help with problem 2
Answer: 4==> D
Step-by-step explanation:
b=1
|2b-5|+1=
|2(1)-5|+1=
|2-5|+1=
|-3|+1= ==> Absolute value equations are always positive: |-x|=x, not -x.
3+1=4==> D
Answer:
Step-by-step explanation:
D 4
2. Which expression is equivalent to (7r - 10)5
e) (5 ⦁ 7r) - (5 ⦁ 10)
f) (5 ⦁ 10) - (5 ⦁ 7r)
g) (5 ⦁ 7r) + (5 ⦁ 10)
h) 5 ⦁ 17r
i'm so sorry it's super hard to see, could someone please help me
Step-by-step explanation:
I got Y=-12/11-3
The only other answer it could be is the last one since perpendicular lines have negative reciprocal slopes and none of the other answer choices have negative reciprocal slopes.
(13/7)^2 as a simplified proper fraction or a simplified improper fraction?
Answer:
Simplified improper fraction.
Step-by-step explanation:
A simplified proper fraction would not have a numerator bigger than the denominator.
An improper fraction would have a numerator bigger than the denominator that can be simplified.
We see here that the expression isn't proper as it can be simplified further. Therefore, it is improper.
Answer: Simplified improper fraction.
Step-by-step explanation: I got this correct on a worksheet
HELP MARK BRANLIEST AND ALSO POINTS
Answer:
25 rides
Step-by-step explanation:
has $28.50
15.75 + 0.50r \(\leq\) 28.50
Subtract 15.75
0.50r \(\leq\) 12.75
r \(\leq\) 25.5
you can't have half rides, so 25 rides
Does anyone know how to do this can you explain it so I know how to do the rest of this paper
read this backwards bc it wont let me do it forward
LOL snap my add should you but no
sereenagamble
Why is multicollinearity a potential problem in a multiple linear regression
a. It becomes too easy to assess the individual importance of predictors, making the b coefficients unreliable.
b. It becomes difficult to assess the collective power of predictors as it increases the levels of error in the model.
c. It becomes difficult to assess the individual importance of predictors and it increases the standard errors of the b coefficients making them unreliable.
d. It becomes difficult to assess the individual importance of predictors and it decreases the standard errors of the b coefficients making them redundant.
The correct answer is c.
Multicollinearity in multiple linear regression makes it difficult to assess the individual importance of predictors and increases the standard errors of the regression coefficients (b coefficients), making them unreliable.
Multicollinearity occurs when two or more predictors in a regression model are highly correlated with each other. This high correlation leads to redundancy in the information provided by the predictors, making it challenging to determine the unique contribution of each predictor to the dependent variable.
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I dont understand this question 2/5÷9/4 is the same as which of the following?
Answer:
Step-by-step explanation:
You didn't list anything to choose from.
2/5÷9/4 When you have a division and fraction after it, change the sign to multiplication and flip the fraction.
2/5 * 4/9
8/45
which of the following descriptions (pertaining to the graph below) is true?
On solving the provided question we can say that from the provided data in the graph we have, A"B"C" is a reflection then translation of ABC.
What is graphs?Mathematicians use graphs to logically convey facts or values using the a visual representations or charts. A graph point will typically reflect a relationship between two or more things. Nodes, or vertices, and edges make form a graph, a non-linear data structure. Glue together the nodes, often referred to as vertices. This graph has vertices V=1, 2, 3, 5, and edges E=1, 2, 1, 3, 2, 4, and (2.5), (3.5). (4.5). Statistical charts (bar charts, pie charts, line charts, etc.) graphical representations of exponential growth. a logarithmic graph in the shape of a triangle
from the provided data in the graph we have,
A"B"C" is a reflection then translation of ABC.
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Ben bought 3.2 pounds of oranges.
The oranges cost $1.60 per pound.
How much money did Ben spend on
oranges?
Answer:
$5.12
Step-by-step explanation:
Multiply the cost per pound price by how many pounds of oranges Ben bought
1.60 * 3.20 = 5.12
ANSWER TO 4 AND 5 PLEASE ASAP
Answer:
4) 2/6 or 1/3
5) 42/110 or 21/55
Step-by-step explanation:
4) there are two red options out of a total of 6 options, so 2/6
5) 7 red out of total of 11, so 7/11 · 6/10 = 42/110
To get the fraction 6/10:
we reduce 7 to 6 because there is one less red than originally
we reduce 11 to 10 because there is one less from the initial total
A golf ball has a diameter of 4.1cm and the surface has 150 dimples of radius 2mm calculate the total surface area which is exposed to the surroundings. Assume the dimples are hemispherical
PLEASE HELP ME! I know how to do slope. I just don't understand what they want me to do.
Answer: they want you to find out which coordinates makes the equation true or matches the equation (btw is the last one on the chart).
Step-by-step explanation:
Substitute a and b with the numbers on the chart to see which coordinates make the equation true. The answer is (2,0).
A freight forwarder has a weekly consolidated service Mumbai - Marsellle, with direct costs as follows: Ocean freight: US \( \$ 1,250.00 / 40-\mathrm{ft} \) standard container. Container loading in Mu
The correct answers are: 1. Total revenue for this consolidation: $750,000.00. 2. Total costs for this consolidation: $201,162.22. 3. Profit/loss on this consolidation: $548,837.78.
To calculate the total revenue, costs, and profit/loss for the consolidation, we need to break down the given information and perform the necessary calculations. Let's go step by step:
1. Calculate the total revenue:
The cargo is charged based on revenue tons, so we need to convert the volume of cargo loaded (30 m³) and the weight (20,000 kg) into revenue tons.
- Volume: 30 m³
To determine the revenue tons, we'll assume the cargo is loaded to its maximum capacity of 40 m³ in a 40-ft standard container. We can calculate the revenue tons using the formula: Revenue Tons = (Volume Loaded / Maximum Volume) * Weight
Revenue Tons = (30 m³ / 40 m³) * 20,000 kg
Revenue Tons = 0.75 * 20,000 kg = 15,000 kg
- Weight: 20,000 kg
Since the weight is already in kilograms, we can directly use this value.
Now, we can calculate the total revenue:
Total Revenue = Revenue Tons * Selling Rate per Revenue Ton
Total Revenue = 15,000 kg * $50.00/kg (assuming the selling rate is $50.00 per revenue ton)
Total Revenue = $750,000.00
Therefore, the total revenue for this consolidation is $750,000.00.
2. Calculate the total costs:
We need to consider the costs of ocean freight, container loading in Mumbai, and Marseille unloading.
- Ocean Freight:
The cost of ocean freight per 40-ft standard container is given as $1,250.00.
Since the cargo loaded is less than the maximum capacity, we'll consider only a fraction of the cost based on the loaded volume:
Ocean Freight Cost = (Volume Loaded / Maximum Volume) * Ocean Freight Cost per Container
Ocean Freight Cost = (30 m³ / 40 m³) * $1,250.00
Ocean Freight Cost = 0.75 * $1,250.00 = $937.50
- Container Loading in Mumbai:
The cost of container loading in Mumbai is given as $10.00 per revenue ton.
Container Loading Cost = Weight * Cost per Revenue Ton
Container Loading Cost = 20,000 kg * $10.00/kg = $200,000.00
- Marseille Unloading:
The cost of Marseille unloading is €10.00 per revenue ton, but we need to convert it to USD using the given exchange rate.
Exchange Rate = €1.00 = $1.06
Marseille Unloading Cost = (Weight / 1,000) * Cost per Revenue Ton * Exchange Rate
Marseille Unloading Cost = (20,000 kg / 1,000) * €10.00/kg * $1.06/€
Marseille Unloading Cost = 20 * €10.00 * $1.06 = €212.00
Converting to USD: €212.00 * $1.06 = $224.72
Now, we can calculate the total costs:
Total Costs = Ocean Freight Cost + Container Loading Cost + Marseille Unloading Cost
Total Costs = $937.50 + $200,000.00 + $224.72
Total Costs = $201,162.22
Therefore, the total costs for this consolidation amount to $201,162.22.
3. Calculate the profit/loss:
Profit/Loss = Total Revenue - Total Costs
Profit/Loss = $750,000.00 - $201,162.22
Profit/Loss = $548,837.78
Therefore, the profit/loss on this consolidation is $548,837.78.
Note: The complete question is:
A freight forwarder has a weekly consolidated service Mumbai - Marseille, with direct costs as follows:
Ocean freight: US $1,250.00/40-ft standard container.
Container loading in Mumbai: US $10.00 per revenue ton.
Marseille unloading: €10.00 per revenue ton.
Exchange rate is = €1.00 US $1.06.
From past experience, the marketing department has determined that they need to load 40 m³ of cargo in a 40-ft standard container to break even and be able to sell to their customers an all-inclusive rate of US $50.00 per revenue ton.
Based on the above shipment details, answer the following scenario: Last week they loaded 30 m³, 20000 kg in their consolidation.
1: What was their total revenue for this consolidation? Select one answer.
2: what were their total costs for this consolidation?
3: what was the profit /loss on this consolidation?
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show that zork's algorithm always gets within a factor of 2 of the optimal solution
Zork's algorithm guarantees that it always gets within a factor of 2 of the optimal solution because of the way that it combines the solutions from the left half and the right half. Zork's algorithm is an algorithm that is used to solve optimization problems.
Zork's algorithm always gets within a factor of 2 of the optimal solution. Zork's algorithm works by dividing the problem into two halves and then recursively solving each half. In each step, the algorithm decides whether the optimal solution lies in the left half, the right half, or across the middle.
If the optimal solution is in the left half, the algorithm recursively solves the left half. If the optimal solution is in the right half, the algorithm recursively solves the right half. I
f the optimal solution is across the middle, the algorithm takes the best solution that it found in the left half and the best solution that it found in the right half and combines them. The algorithm stops when it has solved the problem to the desired accuracy.
Suppose that the optimal solution is across the middle and that the solution in the left half is l and the solution in the right half is r. Without loss of generality, suppose that l ≤ r. Then the combined solution is at most r.
But r is at most twice the optimal solution, because r is in the right half and the optimal solution is across the middle. Therefore, the combined solution is at most twice the optimal solution.
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Given that rectangle ABCD has coordinates A(0,0), B(12,0), C(12,6), and D(0,6), F is the midpoint of AB¯¯¯¯¯, and G is the midpoint of CD¯¯¯¯¯, which of the following proves that FB=GC?
1. By the Distance Formula, the coordinates of F are (6, 0) and the coordinates of G are (6, 6).
Then FB = 12, and GC = 12.
Thus FB = GC.
2. By the Distance Formula, the coordinates of F are (6, 12) and the coordinates of G are (6, 0).
Then FG = 6, and GC = 6.
Thus FG = GC.
3. By the Midpoint Formula, the coordinates of F are (6, 0) and the coordinates of G are (6, 6).
Then FB = 6, and GC = 6.
Thus FB = GC.
4. By the Midpoint Formula, the coordinates of F are (6, 6) and the coordinates of G are (6, 0).
Then FB = 6, and GC = 6.
Thus FB = GC.
The midpoint of the sides \(\overline{AB}\) and \(\overline{CD}\) are the points that half way between \(\overline{AB}\) and \(\overline{CD}\) respectively.
The option that proves \(\overline{FB}\) = \(\overline{GC}\) is option 3
3. By the Midpoint Formula, the coordinates of F are (6, 0) and the coordinates of G are (6, 6). Then \(\overline{FB}\) = 6, and \(\overline{GC}\) = 6. Thus \(\overline{FB}\) = \(\overline{GC}\)Reasons:
The given coordinates of the vertices of rectangle ABCD are;
A(0, 0), B(12, 0), C(12, 6), and D(0, 6)
The midpoint of side \(\overline{AB}\) = Point F
The midpoint of side \(\overline{CD}\) = Point F
The coordinates of point F is given by the midpoint formula, as follows;
\(\displaystyle \mathrm{The \ midpoint \ of \ a \ line \ with \ endpoints \ (x_1, \ y_1) \ and \ (x_2, \ y_2) = \mathbf{ \left(\frac{x_1 + x_2}{2}, \ \frac{y_1 + y_2}{2} \right) }}\)
Which gives;
\(\displaystyle \mathrm{The \ coordinate \ of \ F \ the \ midpoint \ of \ \overline{AB} = \mathbf{ \left(\frac{0 + 12}{2}, \ \frac{0 + 0}{2} \right)} =(6,\ 0)}\)
The coordinates of point F = \(\underline{(6, \ 0)}\)\(\displaystyle \mathrm{The \ coordinate \ of \ G \ the \ midpoint \ of \ \overline{CD} = \left(\frac{12 + 0}{2}, \ \frac{6 + 6}{2} \right) =(6,\ 6)}\)
The coordinates of point G = \(\underline{(6, \ 6)}\)\(\overline{FB}\) is parallel to the x-axis, therefore;
The length of \(\overline{FB}\) = 12 - 6 = 6Similarly, \(\overline{GC}\) is parallel to the x-axis, therefore;
The length of \(\overline{GC}\) = 12 - 6 = 6Which gives;
\(\overline{FB}\) = \(\overline{GC}\) = 6The correct option is that proves \(\overline{FB}\) = \(\overline{GC}\) is option 3.
By the Midpoint Formula, the coordinates of F are (6, 0) and the coordinates of G are (6, 6). Then \(\overline{FB}\) = 6, and \(\overline{GC}\) = 6. Thus \(\overline{FB}\) = \(\overline{GC}\)
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