Answer:
.2 Repeating
Step-by-step explanation:
What is the formula for slope-intercept equations?
y=mx+b
f(x)=mx+b
y2-y1 / x2-x1
c=pi/d
Answer:
y = mx + b is the slope-intercept formula
I use this formula a lot.
Hope this Helped! Have a GOOOOOOOOOD DAY!
Given −47.01 × 6.2, find the product.
Answer:
-291.462
Step-by-step explanation:
My mom is a teacher lol and I have a calculator haha
The principal advantage of the Dodge-Romig tables is: A. minimum inspection B. its desirability for receiving inspection C. smaller lot sizes D. simplicity
The principal advantage of the Dodge-Romig tables is their simplicity. Therefore, the correct answer is D. simplicity.
The Dodge-Romig tables are statistical sampling tables used in quality control to determine the acceptance or rejection
of a production lot based on sample size and the number of defects found in the sample.
The principal advantage of the Dodge-Romig tables is their simplicity.
They provide a quick and easy method for determining the acceptability of a production lot, without the need for
extensive calculations or statistical knowledge.
This means that they can be used by personnel with limited training in quality control.
The principal advantage of the Dodge-Romig tables is their simplicity. While they can be used for receiving inspection,
their main benefit is in minimizing inspection time and effort by providing clear guidelines for lot sampling and
acceptance based on size and level of defects.
Additionally, their use can facilitate smaller lot sizes and more efficient quality control processes.
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Madison has a collection of 220 coins. How many coins represent 5% of her
collection?
Help me please
Answer:
11
220/x=100/5
(220/x)*x=(100/5)*x - we multiply both sides of the equation by x
220=20*x - we divide both sides of the equation by (20) to get x
220/20=x
11=x
x=11.
Tawanto creates a map of his neighborhood using the scale 2 inches : 300 feet. The area of one block on his map is 10.8 square inches. One side of one block in Tawanto’s neighborhood is 900 feet long.
Tawanto can walk 4,500 feet in 20 minutes. At this rate, how long, in minutes, will it take him to walk all the way around one block in his neighborhood?
It takes him 12 minutes to walk all the way around one block in his neighborhood.
What is scale?Scale in graphs is the numerical value assigned to a certain point on the graph. This value is used to measure the distance between two points on the graph.
To calculate this, we first need to determine the length of one side of the block in Tawanto’s neighborhood.
We can do this by using the scale given in the problem: 2 inches : 300 feet. This means that 1 inch on the map is equal to 300 feet in the neighborhood.
Since the area of the block on the map is 10.8 square inches, the length of one side of the block is equal to the square root of 10.8, or 3.3 inches. Multiplying this by the scale of 2 inches : 300 feet,
we get that one side of the block in Tawanto’s neighborhood is 900 feet long.
Tawanto can walk 4,500 feet in 20 minutes, and since one side of the block is 900 feet long, it will take him 1/5 of 20 minutes= 4 minutes
(to walk around one side of the block).
Since there are four sides of the block, it will take him
4 minutes x 4= 16 minutes, to walk all the way around the block. So, subtracting 4 minutes it takes to walk one side from 16 minutes=
16-4=12 minutes
The total amount of time it will take Tawanto to walk all the way around one block in his neighborhood is 12 minutes.
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How many Positive Integers are there between 20 to 100 exclusively?
Answer:
198
Step-by-step explanation:
between 20 to 100 MEANS THAT WE EXCLUDE 20 AND 100
INTEGER IS POSITIVE AND NEGATIVE NUMBER WHICH IS 21 TO 199 FOR THIS QN WHICH IS 198 IN NUMBER
There are 4 green bails, 3 purple bails, 2 orange balls, and 1 white ball in a box. One bail is randomly drawn and replaced, and
another ball is drawn
What is the probability of getting a aroon ball then a purple ball?
a recent survey showed that 33.8% of indiana adults are gun owners. suppose we randomly selected 4 indiana adults. what is the probability that at least one of these 4 indiana adults is a gun owner?
The probability that at least one of the four Indiana adults selected is a gun owner is approximately 0.52.
To find the probability that at least one of the four Indiana adults selected is a gun owner, you can use the complementary probability principle, which states that the probability of an event occurring is equal to 1 minus the probability of the event not occurring.
In this case, the probability that none of the four Indiana adults selected is a gun owner is \((1 - 0.338)^4 = 0.48\) Therefore, the probability that at least one of the four Indiana adults selected is a gun owner is 1 - 0.48 = 0.52.
Therefore, the probability that at least one of the four Indiana adults selected is a gun owner is approximately 0.52.
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I need this answered NOW!!!!
10 POINTS!!!!
Answer: y = −1/2x + 2 is the answer to the slope-intercept form of the graph.
Step-by-step explanation:
I hope this helps!!
Please helppppppp i need it so I don’t get detention tomorrow .
Answer:
a) = 27
b) = 5
convert the expression \(\sort[4]{3}\) into exponential form
Answer:
what is this ?
Step-by-step explanation:
what are the major methods of recording unstructured observational data
The major methods of recording unstructured observational data are Narrative Description, Field Notes, Audio or Video Recording, Photography, Diagrams or Maps.
The major methods of recording unstructured observational data are:
1. Narrative Description: This method involves writing a detailed, chronological account of the observed events or behaviors, capturing the context and interactions as they occur naturally.
2. Field Notes: In this method, the observer takes brief, concise notes during the observation, focusing on key events, behaviors, or interactions. These notes can be expanded and organized later for further analysis.
3. Audio or Video Recording: Using audio or video equipment, the observer captures the events and interactions in their entirety. This allows for a more accurate record and the ability to review and analyze the data multiple times.
4. Photography: Taking photographs during the observation can provide a visual record of the events and behaviors. These images can supplement other data collection methods and help to illustrate specific aspects of the observation.
5. Diagrams or Maps: Drawing diagrams or maps of the observation setting can help capture the spatial relationships between individuals and objects, as well as the overall layout of the environment.
These methods can be used individually or in combination, depending on the research question and the specific needs of the study. Remember to always respect participants' privacy and obtain informed consent when necessary.
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What is the unknown fraction?
Answer:
47/100
Step-by-step explanation:
we will shift the 2/10 to the other side and change the sign to minus
For the following scores:
depression (x) pain (y)
1 5
3 0.75
5 7
7 2.75
9 9
a. find the linear regression equation for predicting y from x.
b. calculate the predicted y value for each x.
The equation of the best fit line is y = 0.5x + 2.4
How to find the equation of the best fit linefrom the question, we have the following parameters that can be used in our computation:
The table of values
Using the least squares, we have the following summary
Sum of X = 25Sum of Y = 24.5Mean X = 5Mean Y = 4.9Sum of squares (SSX) = 40Sum of products (SP) = 20The regression equation is
y = mx + b
Where
m = SP/SSX = 20/40 = 0.5
b = MY - bMX = 4.9 - (0.5*5) = 2.4
So, we have
y = 0.5x + 2.4
Hence, the equation is y = 0.5x + 2.4
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answer this math question. ill give brainliest.
Answer: He OLD! XD
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Brian and Colin are marking exam papers. Each set takes Brian 40 minutes and Colin 1 hour. Express the times Brian and Colin take as a ratio.
Give your answer in its simplest form.
Answer:
2:3 in the simplest form
Step-by-step explanation:
40/60
2/3=2:3
Which is the equation of the parabola?
will mark brainlyest if correct
Answer:
2
Step-by-step explanation:
I think :)
I need help someone?
Answer:
Table A
Step-by-step explanation:
It grows at a steady rate by 1 for x, the other ones grow exponentially.
Seved A store has the following demand figures for the last four years Help Year Demand 1 100 2 150 3 112 4 200 Given a demand forecast for year 2 of 100, a trend forecast for year 2 of 10, an alpha of 0.3, and a beta of 0.2, what is the demand forecast for year 5 using the double exponential smoothing method? Multiple Choice 125 134 100 104
The demand forecast for year 5 using the double exponential smoothing method is 134.
To calculate the demand forecast for year 5 using double exponential smoothing, we need to apply the following formula:
F_t+1 = F_t + (α * D_t) + (β * T_t)
Where:
F_t+1 is the forecast for the next period (year 5 in this case).
F_t is the forecast for the current period (year 2 in this case).
α is the smoothing factor for the level (given as 0.3).
D_t is the actual demand for the current period (year 2 in this case).
β is the smoothing factor for the trend (given as 0.2).
T_t is the trend forecast for the current period (year 2 in this case).
Given values:
F_t = 100 (demand forecast for year 2)
D_t = 100 (actual demand for year 2)
T_t = 10 (trend forecast for year 2)
α = 0.3 (smoothing factor for level)
β = 0.2 (smoothing factor for trend)
Let's calculate the demand forecast for year 5 step-by-step:
Calculate the level component for year 2:
L_t = F_t + (α * D_t) = 100 + (0.3 * 100) = 100 + 30 = 130
Calculate the trend component for year 2:
B_t = (β * (L_t - F_t)) / (1 - β) = (0.2 * (130 - 100)) / (1 - 0.2) = (0.2 * 30) / 0.8 = 6
Calculate the forecast for year 3:
F_t+1 = L_t + B_t = 130 + 6 = 136
Calculate the level component for year 3:
L_t+1 = F_t+1 + (α * D_t+1) = 136 + (0.3 * 150) = 136 + 45 = 181
Calculate the trend component for year 3:
B_t+1 = (β * (L_t+1 - F_t+1)) / (1 - β) = (0.2 * (181 - 136)) / (1 - 0.2) = (0.2 * 45) / 0.8 = 11.25
Calculate the forecast for year 4:
F_t+2 = L_t+1 + B_t+1 = 181 + 11.25 = 192.25
Calculate the level component for year 4:
L_t+2 = F_t+2 + (α * D_t+2) = 192.25 + (0.3 * 112) = 192.25 + 33.6 = 225.85
Calculate the trend component for year 4:
B_t+2 = (β * (L_t+2 - F_t+2)) / (1 - β) = (0.2 * (225.85 - 192.25)) / (1 - 0.2) = (0.2 * 33.6) / 0.8 = 8.4
Calculate the forecast for year 5:
F_t+3 = L_t+2 + B_t+2 = 225.85 + 8.4 = 234.25 ≈ 234 (rounded to the nearest whole number)
Therefore, the demand forecast for year 5 using double exponential smoothing is 234.
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What is value e in math?
The value "e" in mathematics is a mathematical constant that is approximately equal to 2.71828 .
The Euler Number "e" is an important constant in calculus, analysis, and many other areas of mathematics .
The value "e" is an irrational number, which means that , the decimal expansion of "e" is non-repeating and non-terminating.
The value "e" is used in many mathematical formulas and functions, including exponential functions, logarithms, and the natural logarithm.
The Euler Number is also used in various scientific and engineering applications, which include study of population growth, radioactive decay, and electrical circuits.
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In a bag of Christmas treats,there are 3 red candy canes for every 5 gingerbread men. If there are a total of 40 treats, how many are candy canes?
Answer:
Candy canes are a classic Christmas treat, traditionally white with red stripes and flavored with peppermint. They have been popular since the 1600s and are thought to have originated in Germany. Today, 90 percent of all candy canes are sold between Thanksgiving and Christmas.
In a bag of Christmas treats, there are 3 red candy canes for every 5 gingerbread men. If there total is 40 treats, then the number of candy canes will be 24. This can be calculated by taking 40 divided by 8 (5+3) which equals 5, and then multiplying this by 3 which equals 15. Therefore, 24 candy canes are included in the bag of 40 Christmas treats.
Step-by-step explanation:
What does 4 more than a number mean?
'4 more than a number' implies that there exists a number which is 4 units greater than the original number, using the concept of addition.
Addition (usually signified by the plus symbol +) is one of the four basic operations of arithmetic, the other three being subtraction, multiplication and division.The addition of two whole numbers results in the total amount or sum of those values combined. The example in the adjacent image shows a combination of three apples and two apples, making a total of five apples. This observation is equivalent to the mathematical expression "3 + 2 = 5" (that is, "3 plus 2 is equal to 5").
Besides counting items, addition can also be defined and executed without referring to concrete objects, using abstractions called numbers instead, such as integers, real numbers and complex numbers. Addition belongs to arithmetic, a branch of mathematics. In algebra, another area of mathematics, addition can also be performed on abstract objects such as vectors, matrices, subspaces and subgroups.
Now, let us understand the meaning.
Let the original number be x.
'4 more than a number' implies x + 4.
This means that the new number, x + 4, is greater than the original number, x, by 4 units. We also have to keep in mind, \(x + 4 > x\).
Hence, the final meaning is 4 units greater than the original number.
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Find the volume of the solid obtained by rotating the region bounded by y=x2 , y=0, and x=1, about the y-axis.
The volume of the solid obtained by rotating the region bounded by y = x^2, y = 0 and x = 1, about the y-axis is π/2.
We have to determine the volume of the solid obtained by rotating the region bounded by y = x^2, y = 0 and x = 1, about the y-axis.
We will rotate the region near the y-axis using the disc method. Consequently, the curve's equation should be expressed in terms of y.
y = x^2
Taking square root on both side, we get
x = √y
We can write it as
x = y^{1/2}
The volume integral formula is
V = \(\pi\int_{a}^{b}R(x)^2dx\)
The values of a and b are taken from the y-axis since the equation for the curve we need is expressed in terms of y.
Using the curve's equation, if x = 0, y = 0, and if x = 1, y = 1, respectively.
Thus, a = 0 and b = 1 are the values.
Now, we may use definite integral to express the volume.
V = \(\pi\int_{0}^{1}\left[y^{1/2}\right]^2dx\)
Now simplify
V = \(\pi\int_{0}^{1}ydx\)
Now integrating
V = \(\pi\left[\frac{y^2}{2}\right]_{0}^{1}\)
V = \(\pi\left[\frac{(1)^2}{2}-\frac{(0)^2}{2}\right]\)
V = \(\pi\left[\frac{1}{2}-0}\right]\)
V = π/2
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Pleaseeeeeee helpppppppp
The fox population in a certain region has a continuous growth rate of 5 percent per year. It is estimated that the population in the year 2000 was 19600.
a) P(t) = 19600 * ( 1 + 0.05 ) ^ t
b) The estimated value of the population in the year 2008 is 25,958.
Given: The population has a continuous growth rate (r) = 5% per year.
The population in the year 2000 was 19600.
Let we consider a function P(t), where t is time or number of years at which we have to find the value of the function P(t).
Consider 2000 be the initial year of the region. so at t = 0, the population was 19600.
We know that the time value increase equation can be written as.
P(t) = Initial value * ( 1 + rate / 100) ^ t
According to the question ,
rate(r) = 5%
Initial value = 19600
The required equation is:
P(t) = 19600 * ( 1 + 0.05 ) ^ t
Now, we have to estimate the population in the year 2008.
So the time span from 2000 to 2008 is (difference from the initial year to the target year)
t = 2008 - 2000 = 8
t = 8
Therefore the estimated population in the year 2008 is:
P(8) = 19600 ( 1 + 0.05 ) ^ 8
= 28,958.12669
Now population cannot be a decimal number so the answer is 28,958(rounded to the closest integer value).
Hence, the estimated value of the population in the year 2008 is 25,958.
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Disclaimer: The question is incomplete. The complete question is mentioned below:
The fox population in a certain region has a continuous growth rate of 5 percent per year. It is estimated that the population in the year 2000 was 19600.
(a) Find a function that models the population t years after 2000 (t=0 for 2000).
(b) Use the function from part (a) to estimate the fox population in the year 2008.
Find the perimeter of a circle with a diameter of 7. 8 yds
PLS PLS PLS HELPP
Translate the figure 7 units to the left and 6 units up, then reflect it across the line X=1
Is the resulting figure similar or congruent to the original figure ? Explain why.
Answer:
Step-by-step explanation:
Figures are congruent, because corresponding angles and sides are congruent.
Find the area of the shaded region.
Answer:
\( 426.96 \: {km}^{2} \)
Step-by-step explanation:
Area of the shaded region = Area of triangle with base 40 km and height 27 km - Area of circle with radius (12/2) 6 km.
\( = \frac{1}{2} \times 40 \times 27 - 3.14 \times {(6)}^{2} \\ \\ = 20 \times 27 - 3.14 \times 36 \\ \\ = 540 - 113.04 \\ \\ = 426.96 \: {km}^{2} \)
The value of the car is depreciating at a rate of 2.33% per year. at the same of purchase the car was worth $35,098. how much will the car be worth in 13 years?
Answer:
Step-by-step explanation:
A = P(1-r)^n
A = 35098(1-2.33%)^13
= $25 833.18
Point J is on line segment IK.Given IK =5x, JK =4x, determine the numerical length of IK
20 units is the measure of the length of IK.
Determining the numerical length of a segmentA line is defined as the distance between two points. Given the following parameters
IK =5x
IJ = 4
JK =4x
If the point J is on IK, hence;
IK = IJ + JK
Substitute the given parameters to have:
5x = 4 + 4x
5x - 4x = 4
x = 4
Determine the length of IK
IK = 5x = 5(4)
IK = 20
Hence the measure of the length of IK is 20 units
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Complete question
Point J is on line segment IK.Given IK =5x, IJ = 4 and JK =4x, determine the numerical length of IK