The mean is approximately 1.67 units of rainfall. The median is 2 units of rainfall.
Describe Median?In statistics, the median is a measure of central tendency that represents the middle value of a set of data. Specifically, it is the value that separates the upper half of the data from the lower half when the data is arranged in order from smallest to largest (or vice versa).
Looking at the line plot, we can see that there are two values marked with a single asterisk and four values marked with two asterisks. Since each asterisk represents a certain amount of rainfall, we can interpret this as follows:
The two values marked with a single asterisk are each 1 unit of rainfall.
The four values marked with two asterisks are each 2 units of rainfall.
Therefore, the data represented in this line plot is as follows:
1, 1, 2, 2, 2, 2
To find the center of this data, we can calculate the mean and median.
The mean is calculated by adding up all the values and dividing by the total number of values. In this case, we have:
(1 + 1 + 2 + 2 + 2 + 2) / 6 = 10 / 6 = 1.67
So the mean is approximately 1.67 units of rainfall.
The median is the middle value when the data is arranged in order. In this case, the data is already in order, so we just need to find the middle value:
The middle value is the average of the two middle numbers:
(2 + 2) / 2 = 2
So the median is 2 units of rainfall.
Based on these calculations, we can conclude that the BEST way to describe the center of the data represented in this line plot is by the median, which is 2 units of rainfall. Therefore, the correct option to complete the statement is:
"The median is 2 inches."
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A school has a toy drive for a holiday in which students bring in toys to be donated to charity. the number of toys donated by juniors and seniors are summarized in the histograms
The standard deviation of the number of toys donated by juniors is greater than that of seniors.
What is a standard deviation?It is the measure of the dispersion of statistical data. Dispersion is the extent to which the value is in variation.
\(\rm \sigma = \sqrt{\dfrac{\Sigma (x_i - \mu)^2}{n}}\)
For the seniors, the mean is given as,
Mean = (5 x 2 + 35 x 2 + .... + 15 x 2) / 10
Mean = 26
Then the standard deviation is given as,
σ = √[(26 - 5)² + (26 - 5)² + (26 - 15)²] / 10
σ = 14.28
For the juniors, the mean is given as,
Mean = (40 x 2 + 25 x 2 + ....... + 40 x 2) / 10
Mean = 26
Then the standard deviation is given as,
σ = √[(26 - 40)² + (26 - 25)² + (26 - 40)²] / 10
σ = 13.19
The standard deviation of the number of toys donated by juniors is greater than that of seniors.
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The complete question is given below.
I need help please..
Answer:
Charlotte: 7
Step-by-step explanation:
You can subtract 29 on both sides to get 7=p
Hello everyone, need help on this, select all the correct answers that are equivalent.
9514 1404 393
Answer:
see attached
Step-by-step explanation:
You can perform the division and look at the quotient and remainder to convert an improper fraction to a mixed number.
23 ÷ 6 = 3 r 5 ⇒ 23/6 = 3 5/6 ≠ 4 1/6
11 ÷ 4 = 2 r 3 ⇒ 11/4 = 2 3/4 ≠ 2 1/2
35 ÷ 4 = 8 r 3 ⇒ 35/4 = 8 3/4
15 ÷ 8 = 1 r 7 ⇒ 15/8 = 1 7/8
40 ÷ 12 = 3 r 4 ⇒ 40/12 = 3 4/12 = 3 1/3
What is the value of x?
Answer:
12
Step-by-step explanation:
As we can see in the picture, the bigger pentagon is a scale copy of the smaller one with a scale factor of 2. Hence, all the sides on the smaller pentagon multiplied by 2 gives us the bigger pentagon. We can find the scale factor by looking at the biggest side of the pentagon. Hope this helped, Thank you.
find the equation of the following lines:
parallel to the line joining (1;2) and (-2;-2) and passing through (4;1)
passing through the point (2; -3) and perpendicular to the line joining (2;-3) to (-1;-1)
Answer:
\(\textsf{1)}\quad y = \dfrac{4}{3}x-\dfrac{13}{3}\)
\(\textsf{2)} \quad y = \dfrac{3}{2}x-6\)
Step-by-step explanation:
To find the equation of a line parallel to the line joining (1, 2) and (-2, -2) and passing through (4, 1), we first need to find the slope of the line joining (1, 2) and (-2, -2).
\(\textsf{slope}\:(m)=\dfrac{y_2-y_1}{x_2-x_1}=\dfrac{-2-2}{-2-1}=\dfrac{-4}{-3}=\dfrac{4}{3}\)
Parallel lines have the same slope, so the slope of the parallel line is m = 4/3.
Substitute the found slope and point (4, 1) into the point-slope formula:
\(\begin{aligned} y - y_1 &= m(x - x_1)\\\\y - 1 &= \dfrac{4}{3}(x - 4)\\\\y - 1 &= \dfrac{4}{3}x-\dfrac{16}{3}\\\\y &= \dfrac{4}{3}x-\dfrac{13}{3}\end{aligned}\)
Therefore, the equation of the line parallel to the line joining (1, 2) and (-2, -2) and passing through (4, 1) is:
\(\boxed{y = \dfrac{4}{3}x-\dfrac{13}{3}}\)
\(\hrulefill\)
To find the equation of a line perpendicular to the line joining (2, -3) and (-1, -1) and passing through (2, -3), we first need to find the slope of the line joining (2, -3) and (-1, -1).
\(\textsf{slope}\:(m)=\dfrac{y_2-y_1}{x_2-x_1}=\dfrac{-1-(-3)}{-1-2}=\dfrac{2}{-3}=-\dfrac{2}{3}\)
The slopes of perpendicular lines are negative reciprocals, so the slope of the parallel line is m = 3/2.
Substitute the found slope and point (2, -3) into the point-slope formula:
\(\begin{aligned} y - y_1 &= m(x - x_1)\\\\y - (-3) &= \dfrac{3}{2}(x - 2)\\\\y+3&= \dfrac{3}{2}x-3\\\\y &= \dfrac{3}{2}x-6\end{aligned}\)
Therefore, the equation of the line perpendicular to the line joining (2, -3) and (-1, -1) and passing through (2, -3):
\(\boxed{y = \dfrac{3}{2}x-6}\)
I need help asap I’ll also give brainliest
Answer:
15
Step-by-step explanation:
PLEASE HELP PLEASE HELP
Answer:
Option D - Line P
Step-by-step explanation:
Look at the coordinates in the (x, y) column of Max's table and see which line has the same points.
A university has 1,000 computers available for students to use. Each computer has a 250-gigabyte hard drive. The university wants to estimate the space occupied on the hard drives. A random sample of 100 computers showed a mean of 115 gigabytes used with a standard deviation of 20 gigabytes. What is the probability that a sample mean is between 111 and 119 gigabytes
Answer:
0.9545
Step-by-step explanation:
The formula for calculating a z-score is is z = (x-μ)/standard error,
where x is the raw score
μ is the population mean
Standard error = σ/√n
n = random number of samples
σ is the population standard deviation.
For x = 111
z = (x-μ)/standard error
= 111 - 115/20/√100
= -4 /20/10
= -4/2
= -2
Probalility value from Z-Table:
P(x≤ 111) = P(x = 111) = 0.02275
For x = 119
z = (x-μ)/standard error
= 119 - 115/20/√100
= 4 /20/10
= 4/2
= 2
Probability value from Z-Table:
P(x≤ 119) = P(x = 119) = 0.97725
The probability that a sample mean is between 111 and 119 gigabytes
P(-Z<x<Z)
= P(-2< x < 2)
= P(x = 119) - P(x = 111)
= 0.97725 - 0.02275
= 0.9545
Using a directrix of y = 5 and a focus of (4, 1), what quadratic function is created?
HELP PLS
Answer:
(x-4)^2=-8(y-3)
This is a parabola.
Step-by-step explanation:
Since the directrix is horizontal, the parabola faces up or down. Since the focus is below the directix it faces down. This means p will be negative in the equation (x-h)^2=4p(y-k).
p also tells us the half the distance between the focus and the directrix. The distance between 1 and 5 is 4, so p=-2.
The vertex is half way point between focus (4,1) and directrix y=5.
So the vertex is (4, [1+5]/2 )= (4 ,6/2)=(4,3). This is (h,k) in our equation.
(x-h)^2=4p(y-k)
(x-4)^2=4×-2(y-3)
(x-4)^2=-8(y-3)
A Ferris wheel has a radius
of 72 feet. What is the
distance a passenger will
travel one time around the
Ferris wheel?
Answer:
144
Step-by-step explanation:
radius is half of a diameter so that means you need to multiply 72 times 2
Are the two triangles congruent?
Answer:
Only if they are the same shape and size.
Step-by-step explanation:
Congruent means they have the same shape and size, basically a copy of the triangle they are the same.
However, if they are the same shape but different size that means they are similar NOT congruent.
(4x-10) x (3x²)
Find the area of the rectangle
If the length of the rectangle be (3x+2) units and width (4x+10)units then the area of the rectangle be \($x=-\frac{2}{3}, x=-\frac{5}{2}$$\).
How to find the area of rectangle?The region enclosed by an object's shape is referred to as the area. The area of the shape is the area that the figure or any other two-dimensional geometric shape occupies in a plane.
A rectangle's sides determine its area. In essence, the length and breadth of the rectangle multiplied together gives the area of the rectangle.
Let the length of the rectangle be (3x + 2) units and width of the rectangle be (4x + 10)units.
Area of rectangle = length × breadth
= (3x +2) × (4x +10)
simplifying the above equation, we get
= (3x) × (4x +10) + 2(4x +10)
= 12x² + 30x +8x +20
12x² + 38x + 20 = 0
simplifying the above equation, we get
By using quadratic equation, then
\($x_{1,2}=\frac{-38 \pm \sqrt{38^2-4 \cdot 12 \cdot 20}}{2 \cdot 12}$$\)
simplifying the above equation, we get
\($$\begin{gathered}x_{1,2}=\frac{-38 \pm 22}{2 \cdot 12}\end{gathered}$$\)
Separate the solutions, we get
\($$\begin{aligned}& x_1=\frac{-38+22}{2 \cdot 12}, x_2=\frac{-38-22}{2 \cdot 12} \\& x=\frac{-38+22}{2 \cdot 12}:-\frac{2}{3} \\& x=\frac{-38-22}{2 \cdot 12}:-\frac{5}{2}\end{aligned}$$\)
The solutions to the quadratic equation are:
\($x=-\frac{2}{3}, x=-\frac{5}{2}$$\)
The complete question is:
Find the area of rectangle with length (3x+2) units and width (4x+10)units.
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Kendra is buying a Nintendo Switch with a price tag of $300. The sales tax rate where Kendra is purchasing the
Switch is 9.5%. How much will Kendra pay altogether for the Switch?
Answer: So for the 9.5% percent I'm not sure if you mean by 9.5% off the price or more for the price so Ill just do both
If you subtract $300 from 9.5% you get 271.5 US$
But if you add $300 to 9.5% you get 328.5 US$
Please help me GENIUS Rank
Directions: Complete the following frequency distribution table, then compute the mean, median, and mode of the distribution. Show your complete solutions. (25 points)
Class interval] frequency (f)] fxm
99-101 ] 17 ].
102-104 ] 25 ]
105-107 ] 13 ]
108-110 ]. 16 ]
111-113 ]. 29 ]
total ]N= ]. Efxm=
less than cumutalti frequency (<cf)
[. ]
[. ]
[. ]
[. ]
[. ]
[. ]
For purposes of making on-campus housing assignments, a college classifies its students as Priority A (seniors), Priority B (juniors), Priority C (freshmen and sophomores). Of the students who choose to live on campus, 10% are seniors, 20% are juniors, and the rest are underclassmen. The most desirable dorm is the newly constructed Gold dorm, and 60% of the seniors elect to live there. 15% of the juniors also live there, along with only 5% of freshmen and sophomores. What is the probability that the student lived in the Gold dorm and was an underclassmen? Round to three decimals.
The probability that the student lived in the Gold dorm and was an underclassmen is of:
0.035 = 3.5%.
How to obtain a probability?A probability is calculated by the division of the number of desired outcomes by the number of total outcomes.
The parameters for this problem are given as follows:
70% of the students are underclassmen. (freshmen and sophomores).Of the underclassmen students, 5% live in the gold dorm.Hence the probability that the student lived in the Gold dorm and was an underclassmen is calculated as follows:
p = 0.7 x 0.05 = 0.035 = 3.5%.
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Laura sells beaded necklaces each large necklace sells for $6.80 and each small necklace sells for $5.10 how much will she earn from selling three large necklace and one small necklace
Answer:
25.5
Step-by-step explanation:
3 large necklaces equals 20.4 plus 5.10 equals 25.5
the volume pf prism A is 1536 m3 and the volume of prism B is 375 m3. what is the ratio of their surface area from prism A and B?
Explanation:
Volume of prism A = 1536 cubic meters
Volume of prism B = 375 cubic meters
\(\begin{gathered} (surfaceratio)^{\frac{1}{2}}=(volume)^{\frac{1}{3}} \\ (\frac{64}{25})^{\frac{1}{2}}\text{ = (}\frac{1536}{375})^{\frac{1}{3}} \\ \text{Therefore, the ratio is 64: 25} \end{gathered}\)A. 64 square feetB. 16 square feetC. 32 square feetD. 8 square feet
Recall that to evaluate an equation at a given value, we substitute the variable by the given value.
Also, recall that:
\((ab)^2=a^2b^2.^{}\)Therefore, substituting s=8ft in
\(A=s^2,\)we get:
\(A=(8ft)^2\text{.}\)Simplifying the above equation we get:
\(\begin{gathered} A=8^2ft^2, \\ A=64ft^2\text{.} \end{gathered}\)Answer: Option A.
Write an equation of the line that passes through (0, -1) and is perpendicular to the line y = 1/9x + 2
An equation of the perpendicular line is y =
The equation of the perpendicular line passing through (0, -1) is y = -9x - 1.
To find the equation of a line that is perpendicular to the given line y = (1/9)x + 2 and passes through the point (0, -1), we can use the fact that perpendicular lines have slopes that are negative reciprocals of each other.
The given line has a slope of 1/9. To find the slope of the perpendicular line, we take the negative reciprocal of 1/9, which is -9.
Using the slope-intercept form of a linear equation, y = mx + b, where m represents the slope and b represents the y-intercept, we can substitute the slope and the coordinates of the given point (0, -1) into the equation.
y = -9x + b
Since the line passes through the point (0, -1), we can substitute the x-coordinate as 0 and the y-coordinate as -1 into the equation:
-1 = -9(0) + b
-1 = b
Therefore, the y-intercept (b) of the perpendicular line is -1.
Putting it all together, the equation of the line that passes through (0, -1) and is perpendicular to y = (1/9)x + 2 is:
y = -9x - 1
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Please help me fast i need help but please no links
Answer:
dont click that other guys link its an ip grabber
Step-by-step explanation:
helppp it's urgent and I don't understand dhow to do this please.
Answer:
i) Consecutive interior angles
ii) Supplementary angles
iii) The two oars are parallel by consecutive interior angles theorem
Step-by-step explanation:
i) m∠1 and m∠2 lie between two line and on the same side of the line passing through the two lines. Therefore, they are consecutive interior angles
ii)x = 10
m∠1 = 6x + 18
= 6(10) + 18
= 60 + 18
= 78
m∠2 = 9x + 12
= 9(10) + 12
= 90 + 12
= 102
m∠1 + m∠2 = 72 + 108 = 180
Since m∠1 and m∠2 add to 180, they are supplementary angles.
iii) The two oars are parallel
consecutive interior angle theorem:
If a transversal cuts through two line and the consecutive interior angles are supplimentary, then the two lines are parallel
What is the answer to this question?
Not sure if I'm right, but is
it RL- lol
the current in the electronic circuit in the mobile phone was 0.12a the potential difference across the battery was 3.9V. calculate the resistance of the electronic circuit in the mobile phone
Answer:
Step-by-step explanation:
V = 3.9V
I = 0.12A
Ohm's Law, V = IR
Rearranging Ohm's Law, R = V/I
R = 3.9/0.12 = 32.5Ω
What is the slope of the line that passes through the points (-2,8) and (-22,8)? Write your answer in simplest from
Answer:
\(\boxed{\tt m=0}\)
Step-by-step explanation:
The slope formula is:
\(m=\frac{y_{2} -y_{1}}{x_{2}-x_{1}}\)
where (x₁, y₁) and (x₂,y₂) are the points on the line.
The points given are (-2,8) and (-22,8). Therefore,
\(x_{1}=-2\\y_{1}=8\\x_2=-22\\y_2=8\)
Substitute the values into the formula.
\(m=\frac{8-8}{-22--2}\)
Solve the numerator. Subtract 8 from 8.
\(m=\frac{0}{-22+2}\)
Zero divided by any number is zero, so we automatically know the slope is zero.
\(m=0\)
The slope of the line is 0
Answer: 0
Step-by-step explanation:
To find the slope, you need to use the formula \(m=\frac{y_{2}-y_{1} }{x_{2}-x_{1} }\). You use the given points to plug in and solve.
\(m=\frac{8-8}{-22-(-2)} =\frac{0}{-20}=0\)
Now, we know that the slope is 0 meaning this is a horizontal line.
G(8.3,-1.4) is the midpoint between B(x,y) and L(-5.9,8). Find the coordinates of B
The coordinates of B is (22.5, -3.6)
How to find the coordinates of B?The points are given as:
G = (8.3,-1.4)
B = (x,y)
L = (-5.9,8).
The midpoint is calculated as:
G = 0.5 * (x1 + x2, y1 + y2)
So, we have:
(8.3,-1.4) = 0.5 * (x - 5.9, y + 0.8)
This gives
(16.6,-2.8) = (x - 5.9, y + 0.8)
Solve for x and y
x - 5.9 = 16.6
y + 0.8 = -2.8
Evaluate
x = 22.5
y = -3.6
Hence, the coordinates of B is (22.5, -3.6)
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HELP PLZZZ will give branliesstttttt Triangle congruence with sss asa aas sas
Answer:
1) Not congruent
2) AAS
3) Not congruent
4) SAS
5) SSS
6) ASA
Step-by-step explanation:
In SSS, ASA, AAS, and SAS, S stands for side and A stands for angle. If the sides and angles are congruent in any of those patterns, the triangles are congruent.
Hope it helps <3
Answer:
1. Not congruent
2. AAS, Congruent
3. Not congruent
4. SAS, congruent
5. SSS, congruent
6. ASA, Congruent
Step-by-step explanation:
1. Not congruent
It only shows that there are 3 similar angles. There were no sides described.
2. AAS, Congruent
They are congruent, just rotated in an angle (see proof 2)
3. Not congruent
It only shows 2 sides next to each other and an angle next to one side.
4. SAS, congruent
It shows 2 sides that are congruent and congruent angles between them (see proof 4)
5. SSS, congruent
All 3 sides are congruent (see proof 5,6)
6. ASA, Congruent
2 angles and an adjacent side are congruent(see proof 5,6)
PLEASE HELP ASAP! BRISNLIEST! Write the equation of each graph.
Answer:
-x^2-2x+3
1/2x^2-2x-1
Step-by-step explanation:
Automated electron backscattered diffraction is now being used in the study of fracture phenomena. The following information is on misorientation angle (degrees).
Class: 0−<5 5−<10 10−<15 15−<20 20−<30 30−<40 40−<60 60−<90 Rel freq: 0.176 0.169 0.179 0.139 0.193 0.075 0.040 0.029
A) What proportion of the sampled angles are at least 30°? (Round your answer to three decimal places.)
B) Roughly what proportion of angles are between 10° and 25°? (Round your answer to three decimal places.)
C) Construct a histogram. Comment on any interesting features. Select all that apply
1. There are two obvious outliers.
2. Without more precise information, we cannot tell if the data contain outliers.
3. The distribution of misorientation angles is approximately symmetric.
4. The distribution of misorientation angles is heavily negatively skewed.
5. The distribution of misorientation angles is heavily positively skewed.
6. The distribution of misorientation angles is bimodal.
Answer:
Step-by-step explanation:
From the information given:
Classes Relative Frequency
0 - < 5 0.176
5 - < 10 0.169
10 - < 15 0.179
15 - < 20 0.139
20 - < 30 0.193
30 - < 40 0.075
40 - < 60 0.040
60 - < 90 0.029
1
(a)
So from above; the proportion of samples that are at least 30° can be computed as:
P(at least 30°) = (0.075 + 0.040 + 0.029)
P(at least 30°) = 0.144
(b)
The proportion of angles between 10° and 25° = (0.179 + 0.139 + 0.193)
= 0.511
(c) The histogram is constructed by using the EXCEL. The step in making the histogram include;
Insert the class and relative frequency as a data set in the excel sheetSelect relative frequencychoose insertselect chartchose 2-D column(make sure you choose the first option)select bars and tap format series, then adjust the gaps.From the histogram, the chart doesn't show an outlier. The relative frequency is not also symmetrically distributed relating to the class due to the fact that the histogram does not possess a bell shape curve. Finally, we cannot determine if the distribution is positively skewed or negatively skewed because the distribution is bimodal.
6. The distribution of misorientation angles is bimodal.
What is the meaning of "the notion of finiteness"?
The notion of finiteness refers to the idea that something has a definite limit or is not infinite. It is a concept that has been applied in various fields of study, such as mathematics, computer science, and philosophy.
In mathematics, finiteness is a fundamental concept used to define various mathematical objects and structures, such as sets, numbers, and sequences. It is also used to define the properties of functions and to study the properties of mathematical systems.
In computer science, the notion of finiteness is crucial for the design and analysis of algorithms and computer programs. Computer scientists use finite state machines, which are mathematical models that describe the behavior of a system that can be in one of a finite number of states.
This concept is essential to the development of computer programs that are efficient, reliable, and secure.
In philosophy, finiteness is a concept that is often used to reflect on the nature of human existence and the limits of human knowledge. It is also used to examine the concept of time and the nature of reality.
In general, the notion of finiteness is a fundamental concept that has many applications in various fields of study.
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this is my final, this thing is hard
Answer: graph 1:no graph 2:no graph 3: yes graph 4: yes graph 5: no
graph 6: no
Step-by-step explanation:
Answer:
Graph 1 I think is yes because when determining if a function, you do the vertical line test meaning you place an imaginary vertically on the graph and if there is 2 points on the line at once, like for graph 5 or 6, then it isn't a function.
Therefore,
Graph 1: Yes
Graph 2: No
Graph 3: Yes
Graph 4: Yes
Graph 5: No
Graph 6: No
For graph 1, it is way to close to tell if a function or not. So, I would say go with your gut.