The population of Moscow is 124 times the population of Albany.
What is population?The term population refers to the number of people living in a locality. The population of a city often depend on the level of civilization of the city and the availability of infrastructure.
We know from the question that;
Population of Moscow; 12,235,448
Population of Albany; 98,989
Ratio of population of Moscow to that of Albany = 12,235,448/98,989
= 124
Hence, the population of Moscow is 124 times the population of Albany.
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How many planes are in the diagram?
Answer:
I suppose 6
Step-by-step explanation:
but I am not sure.....
The number of the planes in the given diagram showing rectangular cuboid represents it has total of fifteen planes.
To find the number of planes in a rectangular cuboid,
consider the different types of planes that can be formed by its faces.
A rectangular cuboid has 6 faces: 2 rectangular faces of length and width, 2 rectangular faces of width and height, and 2 rectangular faces of length and height.
Types of planes that can be formed:
Faces,
There are 6 faces in a rectangular cuboid, and each face can be considered as a plane. So, there are 6 planes formed by the faces.
Diagonals,
There are 4 diagonals inside the cuboid, connecting opposite corners. Each diagonal can also be considered as a plane.
So, there are 4 planes formed by the diagonals.
Three faces intersection,
There are 4 sets of 3 faces that intersect at a single point. Each set of three faces forms a plane.
So, there are 4 planes formed by the intersections of three faces.
Center point,
All three diagonals meet at the center point of the cuboid. This center point can also be considered as a plane.
Adding all the planes together:
6 (faces) + 4 (diagonals) + 4 (three faces intersection) + 1 (center point) = 15 planes
Therefore, there are a total of 15 planes in a rectangular cuboid.
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which of the following sentence completions are a binary search tree, every element 'a' is .....group of answer choices... a. lesser than all elements in its left subtree.... b. greater than all elements in its left subtree.... c. lesser than all elements in its right subtree.... d. greater than all its descendants... e. greater than all elements in its right subtree.
Options a, d, and e could describe a binary search tree while the rest doesn't.
In a binary search tree (BST), every element 'a' has certain properties regarding its position relative to other elements in the tree. Let's analyze it:
a. "Lesser than all elements in its left subtree": This statement would hold true in a BST. In a BST, the left subtree contains elements that are smaller than the current element.
b. "Greater than all elements in its left subtree": This statement would not hold true in a BST. In a BST, the left subtree contains elements that are smaller than the current element, so 'a' cannot be greater than all elements in its left subtree.
c. "Lesser than all elements in its right subtree": This statement would not hold true in a BST. In a BST, the right subtree contains elements that are greater than the current element, so 'a' cannot be lesser than all elements in its right subtree.
d. "Greater than all its descendants": This statement would hold true in a BST. In a BST, all elements in the left subtree are smaller than the current element, and all elements in the right subtree are greater. Therefore, 'a' would be greater than all its descendants.
e. "Greater than all elements in its right subtree": This statement would hold true in a BST. In a BST, the right subtree contains elements that are smaller than the current element, so 'a' can be greater than all elements in its right subtree.
In summary, options a, d, and e could describe a binary search tree, while options b and c would not accurately describe a binary search tree.
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t has a value of 5/2. p is the sum of t and v, and p has a value of 0. What is the value of v?
Answer:
Step-by-step explanation:
If p = t + v and t is 5/2 and p is 0, then
0 = 5/2 + v and
v = -5/2
Find the solution to the system:
7x+6y=-17
y=-4x
Answer:
7x -24x = -17
- 17x = -17
x= 1
90% of the tickets sold at an amusement park were discount tickets. If the park sold 30 tickets in all, how many discount tickets did it sell?
well, what's 90% of 30?
\(\begin{array}{|c|ll} \cline{1-1} \textit{\textit{\LARGE a}\% of \textit{\LARGE b}}\\ \cline{1-1} \\ \left( \cfrac{\textit{\LARGE a}}{100} \right)\cdot \textit{\LARGE b} \\\\ \cline{1-1} \end{array}~\hspace{5em}\stackrel{\textit{90\% of 30}}{\left( \cfrac{90}{100} \right)30}\implies 27\)
Answer:
27 first divide 30 by ten then multiply that by 9
Identify the type of data (qualitative/quantitative) and the level of measurement for the assets of respondents in a survey. explain your choice.
Assets of respondents in a survey is a quantitative data and the level of measurement is a ratio scale.
What is a Qualitative and a Quantitative Data?Qualitative properties are properties that are observed and can generally not be measured with a numerical result.
Examples of quantitative data include, number of students in a class, weight of students in a class, etc.
Quantitative data is the value of data in the form of counts or numbers where each data set has a unique numerical value. This data is any quantifiable information that researchers can use for mathematical calculations and statistical analysis to make real-life decisions based on these mathematical derivations.
Examples of qualitative data include hair color, religion, nationality, etc.
Thus, assets of respondents in a survey is a quantitative data and the level of measurement is a ratio scale.
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someone solve this and tell me steps
Answer:
m<A = 35
m<B = 55
Step-by-step explanation:
Complementary angles mean the 2 angles add up to 90 so:
y - 16 + y + 4 = 90
2y - 12 = 90
2y = 102
y = 51
m<A:
y - 16
51 - 16
35
m<B:
y + 4
51 + 4
55
X^2-3x=7/4
Solve by completing the square
Answer:
Step-by-step explanation:
X^2-3x=7/4 should first be rewritten in standard form, which here would be:
x^2 - 3x - 7/4 = 0.
1. Identify the coefficient of the x term and take half of that number:
-3/2
2. square this result: (-3/2)^2 = 9/4
3. add this last result, 9/4, between the -3x term and the -7/4 term, and then subtract it as shown:
x^2 - 3x + 9/4 - 9/4 - 7/4 = 0
4. Rewriting the first 3 terms as the square of a binomial, we get:
(x - 3/2)^2 - 16/4 = 0, or (x - 3/2)^2 = 16/4
5. Take the square root of both sides, obtaining:
x - 3/2 = ±√4/2 or ±√2
6. Write out the two roots: x = 3/2 + √2
and x = 3/2 - √2
Write six hundred seventeen thousand two hundred five in scientific notation.
A. 6.1720x 10^4
B. 6.17205x 10^5
C. 6.17205x 10^-5
D. 6.17x 10^6
Please answer my question quickly.
Answer:
b=sqrt7
Step-by-step explanation:
16=9+b^2
A Japanese bullet train travels 558 miles in 3 hours.
A.Whatbis the rate?
B.How far does the train travel in one hour. I really need the answers plz help.
Answer:
the rate is 186/1
and it travels 186 miles in 1 hour
Step-by-step explanation:
558/3
to get miles per hour
186/1
(that is what you get when you divide)
question is linked below please helpp
Answer:
Step-by-step explanation:
(3x + 4)(5x - 2)(4x - 3) = 60x^3 + 11x^2 - 74x + 24 =>
a = 60
b = 11
c = -74
d = 24
A 3-D printer can create 1/4 of an inch of a model in 8 minutes. How many inches of a model can the
printer create in 20 minutes? Express the answer as a decimal.
a 3-D printer can create 0.625 of an inch of a model in 20 minutes.
To calculate how many inches of a model a 3-D printer can create in 20 minutes, we need to use the formula:
Inches = (1/4 inch/8 minutes) x (20 minutes)
First, we need to convert 1/4 inch into a decimal, which is 0.25. Then, we need to multiply 0.25 by the number of minutes, which is 20.
Inches = (0.25/8) x 20
After that, we need to divide 0.25 by 8, which is 0.03125. Then, we can multiply 0.03125 by 20, which gives us 0.625.
Inches = 0.03125 x 20
Inches = 0.625
Therefore, a 3-D printer can create 0.625 of an inch of a model in 20 minutes.
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2. Write in expanded form
76.345
If ∠1≅∠2, then ___...
a) ∠5≅∠6, angle 5 is congruent to angle 6
b) ∠3≅∠4, angle 3 is congruent to angle 4
c) XK≅YK
d )GK≅HK
e)All of the above are true
Answer: All of thé above
Step-by-step explanation:
The volume of a rectangular prism is given by the expression10x3 + 46x2 – 21x – 27. The area of the base of the prism is given by the expression 2x2 + 8x – 9. Which of the following expressions represents the height of the prism? (V = Bh)
8x - 3
3x - 5
5x + 3
42x + 3
The height of the prism is 5x + 3 units.
What is volume?
A measurement of three-dimensional space is volume. It is frequently expressed numerically using SI-derived units, as well as different imperial or US-standard units. Volume and the definition of length are related.
Given:
The volume of a rectangular prism is given by the expression
10x^3 + 46x^2 – 21x – 27. The area of the base of the prism is given by the expression 2x^2 + 8x – 9.
We have to find the height of prism.
Volume of the rectangular prism = Base × Height
The expression is in the Question be
10x ³ + 46 x² - 21x -27
And the area of the base of the prism is given by the expression
2x² + 8x - 9 .
Put in the formula
10x ³ + 46 x² - 21x -27 = 2x² + 8x - 9 × Height
The factor of 10x ³ + 46 x² - 21x -27 are (5x +3 )(2x² + 8x - 9) .
put in the formula
(5x +3 )(2x² + 8x - 9) = (2x² + 8x - 9) × Height
Cancelled 2x² + 8x - 9 on both side.
(5x+3)unit = Height
Hence, the height of the prism is 5x + 3 units.
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FILL IN THE BLANK when researchers conduct an experiment comparing two different treatment conditions, they are likely to be more concerned with _____validity than ____ validity.
When researchers conduct an experiment comparing two different treatment conditions, they are likely to be more concerned with internal validity than external validity.
Internal validity refers to the extent to which the results of an experiment can be attributed to the manipulation of the independent variable, rather than other factors. External validity, on the other hand, refers to the extent to which the results of an experiment can be generalized to other situations or populations. When comparing two different treatment conditions, researchers are typically more concerned with ensuring that the differences observed are due to the treatments themselves, rather than other factors, which is why they are more concerned with internal validity.
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Compute the objective function value for the following problem: Min \( 9 X+33 Y \) subject to \( : 2 X \geqslant=0 ; 3 X+11 Y= \) \( 33 ; X+Y>=0 \) a. 99 b. 0 C. 126 d. unbounded e. infeasible
The objective function value for the given problem is 27.By substituting the values of X=3 and Y=0 into the objective function, 9X + 33Y we get the answer.
The objective function is given as \(9X + 33Y\), which represents the value to be minimized. The problem also includes a set of constraints that must be satisfied.
The first constraint is \(\(2X \geq 0\),\)which means that the value of \(X\) must be greater than or equal to 0. This constraint ensures that \(X\) remains non-negative.
The second constraint is \(3X + 11Y = 33\), which represents an equation that must be satisfied. This constraint defines a linear relationship between \(X\) and \(Y\).
The third constraint is\(\(X + Y \geq 0\),\)which ensures that the sum of \(X\) and \(Y\) remains non-negative.
To compute the objective function value, we need to find the values of \(X\) and \(Y\) that satisfy all the constraints. By solving the system of equations formed by the second and third constraints, we can find the values of \(X\) and \(Y\) that satisfy the given conditions.
Solving the equations, we find that \(X = 3\) and \(Y = 0\), which satisfy all the constraints. Substituting these values into the objective function, we get:
\(9(3) + 33(0) = 27 + 0 = 27\)
Therefore, the objective function value for the given problem is 27.
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R(4, 2) and S(10, 10) are the endpoints of a line segment. What is the midpoint M of that line segment?
Write the coordinates as decimals or integers.
M = (, )
M = (7,6)
Step-by-step explanation:
formula to find mindpoint is
\((\frac{x2 + x1}{2} \frac{y2 + y1}{2} )\)
(4,2) = (x1, y1)
(10,10) = (x2,y2)
now substitute those into the formula!
\(\frac{10 + 4}{2} \frac{10 + 2}{2} \)
now solve for x & y !!
\(x = \frac{10 + 4}{2} = \frac{14}{2} = 7\)
\(y = \frac{10 + 2}{2} = \frac{12}{2} = 6\)
so now that we have solved for x & y put it in point form and your done !!
point for is (x,y)
and thanks why the Midpoint is (7,6)
there are 6 red blocks and 4 blue blocks. a child is arranging them in a row. how many different arrangements are possible?
If there are 6 red blocks and 4 blue blocks and a child is arranging them in a row, then there will be total of 210 possible arrangements.
In this scenario, there are a total of 10 blocks (6 red and 4 blue).
To determine the number of different arrangements possible, you'll need to find the combinations of these 10 blocks.
Using the formula for combinations (n! / (r! (n-r)!)), where n is the total number of blocks and r is the number of one type (e.g. red):
Total possible arrangements = 10! / (6!4!) = 210
So, there are 210 different possible arrangements of the 6 red blocks and 4 blue blocks in a row.
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need help with this
To find m,
m= Y2-Y1 / X2-X1
m= 10-5 / 4-2
m= 5/2
m= 2.5
To find b,
Use coordinate (4,10)
y=mx+b
10=2.5(4)+b
10=10+b
b=0
y=2.5x
the answer is y=2.5x
Is the fraction 6 1/4 a natural number, whole number, integer, rational number, or a irrational number?
*FYI, I think it is a rational number. Lmk if I am wrong :)*
Answer:
your right it is a rational number
Five state officials are listed to the right. a. List the 10 possible samples (without replacement) of size 3 that can be obtained from the population of five officials. Governor (Upper G) Lieutenant Governor (Upper L) Secretary of State (Upper S) Representative (Upper R) Press Secretary (Upper P) b. If a simple random sampling procedure is used to obtain a sample of three officials, what are the chances that it is the first sample on your list in part (a)? the second sample? the tenth sample? a. List all 10 possible samples (without replacement) of size 3. Use the letter abbreviation for each official.
Answer:
All possible are:
(G,L,S)
(G,L,R)
(G,L,P)
(G,S,R)
(G,S,P)
(G,R,P)
(L,S,R)
(L,S,P)
(S,R,P)
{L,R,P)
Probability of 1st/2nd/10th sample = 1/10
Step-by-step explanation:
All the possible combinations of the 3 size samples from a 5 size population have been listed without repetition.
Total Numbers of Samples = 10
To find the probability of finding the first sample from random sampling procedure,
Probability = Number of desired outcomes/ Total number of outcomes
Where Number of desired outcome is 1 and total number of outcomes is 10.
Probability = 1/10
Similarly, to find 2nd sample or 10th sample, the number of desired outcomes is same i.e 1, hecne the probability remains the same i.e 1/10
Possible samples:
(G,L), (G,S), (G,A), (G,P), (L,S), (S,A), (A,P), (L,P), (S,P), (A,L).
a) Given:
Population size \(N=5\).
Sample size \(n=2\)
Possible sample (without replacement)
\(\Rightarrow 5C_{2}=\frac{5!}{2!\times 3!}\)
\(=\frac{5\times 4}{2}\)
\(=10\)
\(10 samples:-\)
Governor, Lieutenant Governor, secretary of state, Attorney General, Press (P)
Possible samples:
(G,L), (G,S), (G,A), (G,P), (L,S), (S,A), (A,P), (L,P), (S,P), (A,L).
b) Event: \(E\to\)choosing sample second and tenth.
\(E=\left\{\left ( G,S \right ),\left ( A,L \right ) \right\}\\n\left ( E \right )=2\\n(S) =10\)
The Probability of that it is the first sample.
Second and tenth sample\(=\frac{n\left ( E \right )}{n(S)}\)
\(=\frac{2}{10}\)
\(=\frac{1}{5}\)
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The expression 3(-2m + 5) can be written in the form am + b. What is the value of a + b ?
We will solve as follows:
\(3(-2m+5)=-6m+15\)So, the values of a & b are -6 & 15 respectively. So a + b = 9.
Can someone please help me with math
Answer:
the answer is D
Step-by-step explanation:
the graph has a negative correlation
Evaluate the summation of negative 5 n minus 1, from n equals 3 to 12. −410 −385 385 410.
The summation of -5n - 1, from n equals 3 to 12, is equal to -410. To evaluate the summation, we substitute the values of n from 3 to 12 into the given expression and add them up.
The given summation is: Σ(-5n - 1), where n ranges from 3 to 12.
To find the value of this summation, we need to substitute the values of n from 3 to 12 into the expression -5n - 1 and add them up.
When n = 3:
Plugging in n = 3, we have: -5(3) - 1 = -15 - 1 = -16.
When n = 4:
Plugging in n = 4, we have: -5(4) - 1 = -20 - 1 = -21.
Similarly, we can repeat this process for the remaining values of n:
When n = 5: -5(5) - 1 = -25 - 1 = -26.
When n = 6: -5(6) - 1 = -30 - 1 = -31.
When n = 7: -5(7) - 1 = -35 - 1 = -36.
When n = 8: -5(8) - 1 = -40 - 1 = -41.
When n = 9: -5(9) - 1 = -45 - 1 = -46.
When n = 10: -5(10) - 1 = -50 - 1 = -51.
When n = 11: -5(11) - 1 = -55 - 1 = -56.
When n = 12: -5(12) - 1 = -60 - 1 = -61.
Now, we add up all these values: -16 + (-21) + (-26) + (-31) + (-36) + (-41) + (-46) + (-51) + (-56) + (-61) = -410. Therefore, the summation of -5n - 1, from n equals 3 to 12, is equal to -410.
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Compute an actual dimension of a distance if the given
drawing measurement in the plan is 28 cm using a 1:60 m scale.
The actual dimension of the distance is approximately 0.0046667 cm.
To compute the actual dimension of a distance given a drawing measurement and a scale, you can use the following formula:
Actual Dimension = Drawing Measurement × Scale Factor
In this case, the given drawing measurement is 28 cm, and the scale is 1:60 m.
To calculate the scale factor, we need to convert the scale to the same unit as the drawing measurement. Since the drawing measurement is in centimeters (cm), we need to convert the scale from meters (m) to centimeters (cm).
1 meter = 100 centimeters
So, the scale factor is:
Scale Factor = 1:60 m = 1 cm : 60 cm = 1 : 6000 cm
Now we can calculate the actual dimension:
Actual Dimension = Drawing Measurement × Scale Factor
Actual Dimension = 28 cm × 1/6000
Actual Dimension = 28/6000 cm
Simplifying the fraction, we get:
Actual Dimension ≈ 0.0046667 cm
Therefore, the actual dimension of the distance is approximately 0.0046667 cm.
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Which is the best way to write the underlined parts of sentences 2 and 3?
(2) They have a special finish. (3) The finish helps the
swimmer glide through the water.
Click for the passage, "New Swimsuits."
OA. Leave as is.
B. a special finish that helps
C. a special finish, but the finish helps
D. a special finish so the finish helps
Answer:
Option B is the best way to write the underlined parts of sentences 2 and 3.
Sentence 2: They have a special finish that helps.
Sentence 3: The finish helps the swimmer glide through the water.
Option B provides a clear and concise way to connect the two sentences and convey the idea that the special finish of the swimsuits helps the swimmer glide through the water. It avoids any ambiguity or redundancy in the language.
When you eat certain foods, sugar is immediately released into your bloodstream. many doctors say kids should only take in 6 teaspoons (24 grams) of added sugar each day. jack is making lemonade for his school and wants to follow that recommendation. he wants to make 206 servings, following the recommendation, how many grams of sugar will he use?
Answer:
4,944
Step-by-step explanation:
Simplify the expression.
8/9^0
(Type an integer or a fraction.)
Answer:
8
Step-by-step explanation: