Answer:
(0,1)
Step-by-step explanation:
its right
The perimeter of a square is 60 cm. How long is one side of the square?
A. 15 cm
B. 20 cm
C. 6 cm
D. 12 cm
E. 10 cm
Answer:
15 cm is the answer
Step-by-step explanation:
Step-by-step explanation:
15 trust me do that math and will see how it adds up
A rectangle has a length of (x + 3) centimeters and a width of (½ x) centimeters. If the perimeter is 16 centimeters, what is the length of the rectangle. Write and solve an equation whose solution will give the length of the rectangle.
Answer:
length6.3cmwidth=1.66cmStep-by-step explanation:
Step one:
given data
length =(x + 3)cm
width= (½ x)cm
perimeter= 16cm
Step two:
we know that the perimeter of a rectangular shape is expressed as
P=2L+2W
substitute we have
16=2(x+3)+2 (½ x)
solve for x
16=2x+6+x
16-6=3x
10=3x
divide both sides by 3
x=10/3
x=3.3
we know that length =(x + 3)cm
length =(3.3 + 3)= 6.3cm
width= (½ x)cm
width= (½*3.3)= 1.66cm
The average score of students in the first group is 39, the second group is 32, and the third group is 43. If the numbers of students in the three groups are 24, 26, and 27, respectively, find the average score of all students.
The average score of all students, calculated by taking a weighted average based on the number of students in each group, is 38. The overall performance is slightly below the group averages.
The average score of students in the first, second, and third groups are 39, 32, and 43, respectively. There are 24 students in the first group, 26 students in the second group, and 27 students in the third group.
To find the average score of all students, we need to take a weighted average of the scores in each group, with the number of students in each group as the weights.
Here's how to do it: First, we calculate the total number of students:24 + 26 + 27 = 77. Then, we calculate the total score across all students: 39*24 + 32*26 + 43*27 = 936 + 832 + 1161 = 2929
Finally, we divide the total score by the total number of students to get the average score:2929/77 = 38. The average score of all students is 38.
This means that the overall performance of all the students is slightly below the average of the scores in each group.
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3). A cylindrical tank, 5 m in diameter, discharges through a horizontal mild steel pipe 100 m long and 225 mm in diameter connected to the base. Find the time taken for the water level in the tank to drop from 3 to 0.5 m above the bottom.
The time taken for the water level in the tank to drop from 3 to 0.5 meters above the bottom cannot be determined without additional information.
To calculate the time taken, we need to know the flow rate or discharge rate of the water from the tank. This information is not provided in the question. The time taken to drain the tank depends on factors such as the diameter of the outlet pipe, the pressure difference, and any restrictions or obstructions in the flow path.
If we assume a known discharge rate, we can use the principles of fluid mechanics to calculate the time. The volume of water that needs to be drained is the difference in the volume of water between 3 meters and 0.5 meters above the bottom of the tank. The flow rate can be determined using the pipe diameter and other relevant factors. Dividing the volume by the flow rate will give us the time taken.
However, since the discharge rate is not given, we cannot perform the calculation and determine the time taken accurately.
Without knowing the discharge rate or additional information about the flow characteristics, it is not possible to calculate the time taken for the water level in the tank to drop from 3 to 0.5 meters above the bottom.
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A restaurant owner randomly surveyed 40 people who came in over the weekend. The restaurant owner asked about each person's favorite type of
dessert
The results of the survey are shown in the table.
Dessert Type
Number of People
Brownie
11
Ice Cream Sundae
8
Cake
5
Pie
16
What can the restaurant owner infer from the results?
Answer:
The restaurant owner can infer that most customers like pie
Step-by-step explanation:
Answer: The owner can infer that "Pie" is what customers like the most.
Step-by-step explanation:
the _____ of a trapezoid is a segment whose endpoints are the midpoints of its legs.
Answer:
The segment that connects the midpoints of the legs of a trapezoid is called the median of the trapezoid.
Step-by-step explanation:
help!!!
evaluate 0.2m + 6 - 4n when m=20 and n= 1/2
Answer:
Step-by-step explanation:
0.2(20)+6-4(1/2)=4+6-2=8
Answer:
0.2(20)+6-4(112)=4+6-2=8
find the missing length
Answer:
9, 10, 3 and 1/3
Step-by-step explanation:
21 = 7 x 3
Therefore divide each side of the larger triangle by three to get the smaller one.
27/3 = 9
30/3 = 10
10/3 = 3.33333...
Combine like terms. Your answer should contain decimals. 0.5(x4 − 9) + 15 = Please in 10 mins please
Answer:
x ≈ ±2.1407
Step-by-step explanation:
0.5(x⁴ - 9) + 15 = 0
Distribute the 0.5 across the parentheses.
0.5x⁴ - 4.5 + 15 = 0
Combine the constants.
0.5x⁴ + 10.5 = 0
Subtract 10.5 from both sides.
0.5x⁴ = -10.5
Divide both sides by 0.5.
x⁴ = 21
Take the fourth root of 21.
⁴√21 ≈ ±2.1407
x ≈ ±2.1407
plss help. brainliest for right answer
\(5667 \div 59 \\ \\ calculate \: \: the \: \: (approximate \: \: value) \\ \\ = 96.05085 \\ \\ \\ in \: \: alternte \: \: form \\ \\ = \frac{5667}{59} ,96 \frac{3}{59} \\ \\ \\ hope \: \: it \: \: helps\)
When f(x) = 0.5|x is graphed on a regular coordinate grid, the graph forms
Answer:
A. Right angle -- if you multiply the slopes of 2 intersecting lines and you "-1" then the lines are perpendicular - in this case the line in quadrant 3 has a slope of "1" and the line in quadrant 4 has a slope of "-1", hence their product is "-1" and the angles formed at the intersection of the lines are right angles.
Step-by-step explanation:
which inequality is shown in the graph
Answer:
Less than.
Step-by-step explanation:
Cuánto es -a +28 =14
a = -14
-14+28= 14
14 x 2 = 28
1/2 of -28 --> -14
This means a equals -14.
Esto significa A=-14
(sorry my spanish is not good, hope this helps)
m₂
A. 2
C. 1/3
2
1
-2-10
-2
-3
Y
B
1
D
F
2
C
A
3
4
5
In the similarity
transformation of AABC
to ADEF, AABC was dilated by
a scale factor of [?], reflected
across the [], and moved
through the translation [ ].
6
B. 1/2
O
D. 3
AABC was dilated by a scale factor of 2. Option A
What is dilation in mathematicsIn mathematics, dilation refers to a transformation that rescales an object, without changing its shape or orientation, by multiplying the coordinates of its points by a certain factor. This factor is called the dilation factor or scale factor.
A dilation can be either a reduction, if the scale factor is between 0 and 1, or an enlargement, if the scale factor is greater than 1. A dilation with a scale factor of 1 does not change the size of the object.
The first triangle has ED = 4 boxes
The second triangle has BA = 2
4 / 2 = 2
Scale factor would be 2
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a coin is flipped 30 times. what is the probability of getting 15 or more heads? round answer to 4 decimal places. answer:
The probability of getting 15 or more heads is :
P (Z > -0.18) = 1 - 0.4289 = 0.5714
Now, According to the question:
Normal Approximation to Binomial:
The normal distribution is used to approximate for the binomial distribution. The condition when binomial distribution is approximated to normal is that n should be large and probability should be close to 0.5
"Information available from the question"
n = 30
Probability, p(heads) = 1/2
Since sample size is large, we check for normal approximation.
np = 30(1/2) = 15
and, n(1 - p) = 30(1 - (1/2)) = 15 both are greater than 5, we use normal approximation.
Mean, μ = np = 30(1/2) = 15
Standard deviation, σ = \(\sqrt{np(1-p)}\)
Standard deviation, σ = \(\sqrt{30(1/2)(1-1/2)}\)
Standard deviation, σ =2.739
We have to find P (X ≥ 15). Using continuity correction, we deduct 0.5
P(X ≥ 15) = P(X > 14.5)
The respective Z-score with X = 14.5 is
Z = (x - μ)/ σ
Z = (14.5 - 15)/2.739
Z = -0.18
Now, we use z-tables to find probability greater than -0.18
P (Z > -0.18) = 1 - 0.4289 = 0.5714
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what equivalent expression for (32 • 54)3?
Answer:
5,184 from my knowledge
what is the answer in simplest form?
\(\\ \sf\longmapsto 2m^2=-200\)
\(\\ \sf\longmapsto m^2=-100\)
\(\\ \sf\longmapsto m=√-100\)
\(\\ \sf\longmapsto m=√100i\)
\(\\ \sf\longmapsto m=10i\)
Please help me with this
Each tile has a surface area of 1 × 1 = 1 square foot since each tile is 1 foot long. As a result, the total mosaic's area is 49 x 1, or 49 square feet.
what is surface area ?The overall area that a three-dimensional object's surface occupies is known as surface area. Square units like square inches, square meters, and square feet are used to convey it. By adding up the areas of all the object's faces or surfaces, surface area is determined. By summing the areas of the cube's six faces, for instance, it is possible to get the surface area of a cube.
given
There are 7 rows and 7 tiles in the mosaic, making a total of 7 x 7 = 49 tiles in the mosaic.
Each tile has a surface area of 1 × 1 = 1 square foot since each tile is 1 foot long.
As a result, the total mosaic's area is 49 x 1, or 49 square feet.
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The complete question is:- Mark's window store made a mosaic for the community center. The mosaic had a 7 x 7 array of different color square tiles. If each tile is 1ft long, what is the area of the whole mosaic?
find two positive real numbers such that they sum to 108 and the product of the first times the square of the second is a maximum
The two positive numbers are 36 and 72 which gives a sum equal to 108 and the product of 36 and the square of 72 is a maximum.
Any integer greater than zero is considered a positive number. A positive number can either be written as a number or with the "+" symbol in front of it.
Let us consider the two positive real numbers as x and y. Then, their sum is written as,
x+y=108
Then, y=108-x
And the product is written as,
P=xy²
Substitute value of y in the above equation, we get,
\(\begin{aligned}P&=x(108-x)^2\\&=x(11664-216x+x^2)\\&=11664x-216x^2+x^3\\&=x^3-216x^2+11664x\end{aligned}\)
Now, differentiate P with respect to x, and we get,
\(\begin{aligned}\frac{dP}{dx}&=3x^2-432x+11664\\&=x^2-144x+3888\end{aligned}\)
Solving the above equation to zero, we get,
\(\begin{aligned}x^2-144x+3888&=0\\x^2-36x-108x+3888&=0\\x(x-36)-108(x-36)&=0\\(x-108)(x-36)&=0\\x&=\text{108 or 36}\end{aligned}\)
Substitute values of x in y=108-x, to get values of y.
If we substitute x=108, we get the y value as zero which doesn't give the required solution.
But, if we substitute x=36, we get,
\(\begin{aligned}y&=108-36\\y&=72\end{aligned}\)
Thus, the two positive numbers are 36 and 72.
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Marcus is shopping for pants. The available styles are boot cut (B), skinny (S), and relaxed fit (R). Make an organized list to show all possible outcomes if he buts two new pair of pants.
There are 9 possible outcomes to buy two new pair of pants.
What is combination?Combinations are mathematical operations that count the number of potential configurations for a set of elements when the order of the selection is irrelevant. You can choose the components of combos in any order.
Given:
we have the following Styles
Boot cut (B), Skinny (S), and Relaxed fit (R).
So, if her buys two paints then the possible combination he can take as
Boot cut x Boot cut
Skinny x Skinny
Relaxed fit x Relaxed fit
Boot cut x Skinny
Boot cut x Relaxed fit
Skinny x Relaxed fit
Skinny x Boot cut
Relaxed fit x Boot cut
Relaxed fit x Skinny
Hence, there are 9 possible ways.
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Someone help me please if you don’t mind
Answer:
x(3x^ x - 2 x - 1)
Step-by-step explanation:
the answer is
x(3x^2 - 2x - 1)
Using the figure shown, match each Trigonometic Ratio to the ratio of the sides.
Answer:
Step-by-step explanation:
Sin(A) = a/c
Cos(A) = b/c
Tan(A) = a/b
Answer:
Solution given:
Trigonometic Ratio to the ratio of the sides. are.
SinA=a/c
CosA=b/c
TanA=a/b
Matt has 5 Cookies
Linn eats 3 of the cookies
How old is Linn
Answer:
3
Step-by-step explanation:
Where did you get this question?
The number of cookies left, if Matt has 5 Cookies and Linn eats 3 of the cookies, is 2.
What is subtraction?The action of subtracting a matrix, vector, or other quantity from another according to predetermined rules in order to find the difference.
Given:
The total number of cookies, t = 5,
The number of cookies Linn eats, n = 3,
Calculate the number of cookies left by using subtraction as shown below,
The number of left cookies = Total number of cookies - The number of cookies Linn eats
The number of left cookies = t - n
The number of left cookies = 5 - 3
The number of left cookies = 2
Thus, the number of cookies left is 2.
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The complete question is: Matt has 5 Cookies and Linn eats 3 of the cookies, how many cookies are left?
What is the MEAN of the data set below?(0.2,0.8,0.4,0.3,0.4,0.4,0.4,0.8,1.3)
Answer:
5/9
Step-by-step explanation:
we add all of the values and divide by the total number in this case 9, all of them add to make 5 so we do 5÷9 to get 5/9
Jessica school bus stop is 60 yards from her house.For a normal school week, how many feet will Jessica walk to and from the bus stop?
A 300 feet
B 600 feet
C 900 feet
D 1,800 feet
winner gets 100 points
Answer:
d
Step-by-step explanation:
school is only 5 days a week and if she walks 60 yards to the bus stop and 60 yards back from the bus stop than she walks a total of 120 yards a day
120 x 5 =600 the answers are in feet so we need to convert to feet and to do that we need to multiply by 3
600x3=1800
so she walks 1800 feet in a normal school week
Answer:
Step-by-step explanation:
according to a recent study, the median earnings of nonmetropolitan workers in the united states was 24% less than the median earnings of metropolitan workers. what is the most likely explanation for this phenomenon?
The recent study says 24% wage gap between nonmetropolitan and metropolitan workers can be attributed to differences in job opportunities, education and skill levels, cost of living, and economic development.
According to a recent study, the median earnings of nonmetropolitan workers in the United States was 24% less than the median earnings of metropolitan workers.
The most likely explanation for this phenomenon can be attributed to several factors.
1. Job opportunities: Metropolitan areas tend to have a higher concentration of job opportunities, particularly in higher-paying industries such as finance, technology, and professional services.
In contrast, nonmetropolitan areas often have fewer job options and may be dominated by lower-paying industries such as agriculture, retail, and hospitality.
2. Education and skill levels: Metropolitan areas generally have a larger pool of highly educated and skilled workers, which can lead to higher salaries.
Nonmetropolitan areas may have lower levels of education and skill among the workforce, which can result in lower earnings.
3. Cost of living: The cost of living is generally higher in metropolitan areas, which can lead to higher salaries to offset these expenses.
In nonmetropolitan areas, the cost of living is typically lower, which can result in lower wages as employers do not need to pay as much to maintain a reasonable standard of living for their workers.
4. Economic development: Metropolitan areas tend to have more robust economies with higher levels of economic development.
This can create a more competitive job market, which can lead to higher salaries for workers. Nonmetropolitan areas often have less economic development, which can result in fewer high-paying jobs and lower wages overall.
In summary, the 24% wage gap between nonmetropolitan and metropolitan workers can be attributed to differences in job opportunities, education and skill levels, cost of living, and economic development.
These factors contribute to the higher median earnings of metropolitan workers compared to their nonmetropolitan counterparts.
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guys i at school rn and need help please thank xoxo
Answer:
Step-by-step explanation:
1. 30$ 2. 5$ 3. 60$ 4. 45$ trust
3. Let X follows a Gaussian distribution with zero mean and variance equal to 4. a. Find the PDF of Y=X). b. The PDF of Y=X² means
a. The PDF of Y=X is
fY(y) = (1/2) * fZ(y/2)
b. The PDF of Y=X² is
fY(y) = (1/4πy)^(1/2) * exp(-y/8).
a. PDF of Y=X)
Given, X follows a Gaussian distribution with zero mean and variance equal to 4.
Now, the PDF of Y=X will be given by the formula,
fY(y)=fX(x)|dx/dy|
Substituting Y=X, we get,
X = Y
dx/dy = 1
Hence,
fY(y) = fX(y)
= (1/2πσ²)^(1/2) * exp(-y²/2σ²)
fY(y) = (1/2π4)^(1/2) * exp(-y²/8)
fY(y) = (1/4π)^(1/2) * exp(-y²/8)
Also, we know that the PDF of standard normal distribution,
fZ(z) = (1/2π)^(1/2) * exp(-z²/2)
Hence,
fY(y) = (1/2) * fZ(y/2)
Therefore, the PDF of Y=X is
fY(y) = (1/2) * fZ(y/2)
b. PDF of Y=X²
Given, X follows a Gaussian distribution with zero mean and variance equal to 4.
Now, the PDF of Y=X² will be given by the formula,
fY(y)=fX(x)|dx/dy|
Substituting Y=X², we get,
X = Y^(1/2)dx/dy
= 1/(2Y^(1/2))
Hence,
fY(y) = fX(y^(1/2)) * (1/(2y^(1/2)))
fY(y) = (1/2πσ²)^(1/2) * exp(-y/2σ²) * (1/(2y^(1/2)))
fY(y) = (1/4π)^(1/2) * exp(-y/8) * (1/(2y^(1/2)))
Therefore, the PDF of Y=X² is
fY(y) = (1/4πy)^(1/2) * exp(-y/8).
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Rotate the shape as described.
The ordered pair for A' is
. The ordered pair for B' is
. The ordered pair for C' is
By applying a rotation of 180° counterclockwise to triangle ABC, we have the following:
The ordered pair for A' is (4, 0).The ordered pair for B' is (7, 2).The ordered pair for C' is (9, 9).What is a rotation?A rotation can be defined as a type of transformation which moves every point of the object through a number of degrees around a given point, which can either be clockwise or counterclockwise (anticlockwise) direction.
In Geometry, rotating a point 180° about the origin in a clockwise or counterclockwise (anticlockwise) direction would produce a point that has the coordinates (-x, -y).
By applying a rotation of 180° counterclockwise (anticlockwise) to triangle ABC, the coordinate of the image of triangle A'B'C' is given by:
(x, y) → (-x, -y)
Points at A = (-4, 0) → Points at A' = (-(-4), -(0)) = (4, 0)
Points at B = (-7, -2) → Points at B' = (-(-7), -(-2)) = (7, 2).
Points at C = (-7, -2) → Points at C' = (-(-9), -(-9)) = (9, 9).
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what is the markdown what was sebastains percent error on his prediction
Answer:
i need the answer
Step-by-step explanation: