6/8 is an equivalent fraction to 3/4; 2/6 is equivalent to 1/3; 6/9 is equivalent to 2/3; 10/25 is equivalent to 2/5; 4/16 is equivalent to 1/4; the fraction of 1/3 is equivalent to 2/6; 8/16 is an equivalent fraction to 2/4.
A fraction can be referred to or considered as a divisional representation of a whole number or a percentage, usually represented as a bigger numerical. A fraction denotes the representation of a number in such a way that the meaning or the accuracy of the number is not disturbed, but is shown differently. The fractions equivalent to each other have been mentioned above.
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87 kg of potatoes are distributed in two boxes. One box weighs 11 kg less than the other one. How many kilograms of potatoes does the lighter box contain?
Answer:
38
Step-by-step explanation:
which graph represents the function fx 2 x 12
On solving the provided question we go to know that - Graph with points- (2,1) (0,3) (4,3) (x,y).
What is function?In mathematics, a function is an expression, rule, or law that establishes the connection between two variables (the dependent variable).
What is function define with example?a unique connection where every input only has one output. Where x is the input value, it is frequently expressed as yields a single output [tex]"x/2,"[/tex]indicating that it is a function:[tex]* f(2) = 1.[/tex]
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Suppose that two high school students decide to see if they get the same results as the researcher. They both do the puzzle while in the presence of the pleasant floral scent. The mean of their times is m = 80.2 seconds, the same as that of the researcher. It is appropriate to conclude which of the following? A) They have reproduced the results of the researcher and their P-value will be the same as that of the researcher.B) They have reproduced the results of the researcher, but their P-value will be slightly smaller than that of the researcher.C) They will reach the same statistical conclusion as the researcher, but their P-value will be slightly different than that of the researcher.D) None of the above
The mean of their times is x = 80.2 seconds, the same as that of the researcher, after analyzing the given data we conclude that none of the given condition is appropriate.
We can observe that the researcher wishes to put the theories to the test.
H0: = 80.2 = null hypothesis
Ha: > 80.2 = alternative hypothesis.
The population mean is 80.2 and the standard deviation is 4.
He discovered after testing a sample of 1000 students;
The sample size is 1000.
The sample mean is x = 80.2 .
Z value = 0 and p = 1 , hence , the result is not significant .
He can no longer draw any conclusions or provide evidence for this study because there is no population mean for aerobic activity and no significance value in the entire query to compare the p-value with.
As a result, none of the possibilities are correct.
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Consider a square and a regular octagon (an 8
8
-sided figure with sides of equal length). One side of the square is 8
8
feet longer than a side of the octagon, and the two figures have the same perimeter. What are the lengths of the sides of each figure? (Round to two decimal places if necessary.)
Answer:
Sides are 16 ft for the square and 8 ft for the octagon.--------------------------------------------------
Let the side of the square is x and side of the octagon is y.
Set equation for sides:
x = y + 8The perimeter of square is same as the perimeter of the octagon:
4x = 8ySimplify and then substitute:
4x = 8y ⇒ x = 2yy + 8 = 2yy = 8Find x:
x = 8 + 8 x = 16a student sets up the following equation to convert a measurement. (the stands for a number the student is going to calculate.) fill in the missing part of this equation.
Missing part of the equation is 6.0 × [tex]10^{-8}[/tex] [tex]m^{3}[/tex].
It is given that students sets up the equation (0.060 [tex]cm^{3}[/tex])(_) = (_) [tex]m^{3}[/tex].
i.e. we have units of [tex]cm^{3}[/tex] and wants units of [tex]m^{3}[/tex] .
We know that 100 cm = 1 meter
i.e. 100cm/1 meter
⇒ [tex](100cm/1 meter)^{3}[/tex] = 1 × [tex]10^{6} cm^{3}/m^{3}[/tex]
⇒1/(1 × [tex]10^{6} cm^{3}/ m^{3}[/tex]) = (1 × [tex]10^{-6} m^{3}/cm^{3}[/tex])
We can use this new conversation factor to convert volume from [tex]cm^{3}[/tex] to [tex]m^{3}[/tex].
(0.060 [tex]cm^{3}[/tex])(1 × [tex]10^{-6} m^{3}/cm^{3}[/tex]) = (_) [tex]m^{3}[/tex]
(0.060 [tex]cm^{3}[/tex])(1 × [tex]10^{6} cm^{3}/m^{3}[/tex]) = 6.0 × [tex]10^{-8} m^{3}[/tex].
This is the required equation.
If we want to convert measurement,
to convert a smaller unit to a larger init, divide it by the number of smaller units which are needed to make larger unit. To convert from a larger unit to a smaller one, multiply. To convert from a smaller unit to a larger one, divide.
A conversation factor is a number used to change one set of units to another, by multiplying or dividing.
Given question is incomplete.
a student sets up the following equation to convert a measurement. (the stands for a number the student is going to calculate.) fill in the missing part of this equation (0.060 [tex]cm^{3}[/tex])(_) = (_) [tex]m^{3}[/tex].
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I need help with this please help me
According to the figure, the side congruent to line GK is line HL
What is congruency of triangle?Triangles are said to be congruent when the sides and angles equal in accordance to to the triangle congruency rules
Some of the rules include
Side - Side - Side = SSS
Side - Angle - Side = SAS
Angle - Side - Angle = ASA
Angle - Angle - Side = AAS
Hypotenuse and one leg = HL
The problem requires the prove by Angle - Side - Angle = ASA to ensure that the the triangles are congruent
The Angle and sides used for the proof include
< F = < J
FL = JK
< L = < K
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Answer:
A. HL
Step-by-step explanation:
You want to identify the side corresponding to GK in the figure showing congruent triangles.
ASA CongruenceThe larger triangles on the left and right each have an angle marked with one arc, an angle marked with two arcs, and the segment between those angles marked with one hash mark. This identical marking of two angles and the side between them means you can declare the triangles congruent by the ASA (angle-side-angle) congruence postulate.
When we name the triangles in order of the number of marks on the angles (0–2 arcs), we find the congruence statement to be ...
∆HLF ≅ ∆GKJ
Corresponding sidesThe segment of interest is GK, which is identified by the first two letters of its triangle designator in the congruence statement. The corresponding side is identified by the first two letters in the other triangle designator: HL.
∆HLF ≅ ∆GKJ
Side HL is congruent to GK.
__
Additional comment
Like a lot of math, this requires you to match patterns.
which is the graph of fx x2 2x 3
In the picture we can see the graph represents of the function f(x)=x²-2x+3 that is curve graph.
Given that,
We have to find the graph represents the function f(x)=x²-2x+3.
We know that,
The quadratic function is f(x)=x²-2x+3.
This is a vertical parabola open downward
The vertex is a maximum
We know,
A vertical parabola's equation in vertex form is equal to
y= a(x-h)²+k
where
a is a coefficient
(h,k) is the vertex
Here
a=1
(h,k)=(0,3) is vertex
The y-intercept is the point (0,3) is value of y when the value of x is equal to zero (is the same point that the vertex)
The x-intercepts are the points is values of x when the value of y is equal to zero
Therefore, In the picture we can see the graph represents of the function f(x)=x²-2x+3.
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Joe Jan wants to receive $22,000 each year for the next 22 years. Assume a 6% interest rate compounded annually. How much must Joe invest today? (Round your answer to the nearest cent.)
If Joe deposits $264,954.31 today then he will reach his goal
Define Present Value
Finding the appropriate quantity of money to deposit today in order to ensure a specific amount of future payments is one objective of financial analysis. The target payment amount, the quantity and frequency of payments, and the interest rate all influence the present value, which is the value in today's dollars.
Given,
Joe want to receive each month = $22,000
Interest rate = 6%
number of payment = 22 years
We know, the formula of present value is
Present value = pmt * (1 - (1/ (1+r)ⁿ) ) / r
pmt = $22,000
r = 0.06
n = 22 years
Now, plug in the values
Present value = $22,000( 1 - (1/(1+0.06)²² ) / 0.06
=$22,000( 1 - (1/(1+0.06)²² ) / 0.06
≈ $264,954.311
Hence, If Joe deposits $264,954.31 today then he will reach his goal.
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Draw a quick picture to find the product of 3×800
Answer:
daymn
it's gonna be okay
3 divided by 20 Remainder
a parameter of the exponential smoothing model that provides the weight given to the most recent time series value in the calculation of the forecast value is known as the group of answer choices
The smoothing constant is the correct option.
What is exponential smoothing?
The exponential window function is a general method for smoothing time series data known as exponential smoothing. Exponential functions are used to assign weights that decrease exponentially over time, as opposed to the simple moving average, which weights previous observations equally.
Forecasts using exponential smoothing are precise.
This method generates reliable and accurate forecasts that anticipate the following period.
Demand projections and actual demand are shown in the forecast. This makes it possible to effectively plan for demand, which leads to accurate inventory levels.
In exponential smoothing, the higher the smoothing constant, the greater is the weight assigned to the values from the most recent period.
Hence, the smoothing constant is the correct option.
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You wish to conduct your own study to estimate the miles per gallon on a 2007 Ford Taurus. How large a sample would you need to estimate the mean per gallon within 0.5 miles per gallon with 95% confidence if you read in a previous study that the standard deviation of miles per gallon for a 2007 Taurus is 3.21.
The sample required to estimate the mean per gallon within 0.5 miles per gallon with 95% confidence is 158.
Given:
You wish to conduct your own study to estimate the miles per gallon on a 2007 Ford Taurus.
How large a sample would you need to estimate the mean per gallon within 0.5 miles per gallon with 95% confidence = ?
if you read in a previous study that the standard deviation of miles per gallon for a 2007 Taurus is 3.21.
we know that :
z value of 95% is 1.96
Margin of error = E = z × sd/√n
we have:
n = (z×sd/E)²
= 158.33
= 158
Hence we get the sample as 158
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For any confidence level C, the value of the sample proportion will always be considered a plausible value for p. (a) True (b) False
For any confidence level C, the value of the sample proportion will always be considered a plausible value for p is a true statement.
For any given confidence level, the sample proportion of a given sample will always be within the range of values that are considered plausible for the population proportion. This range is determined by the confidence interval, which is calculated based on the confidence level C. Thus, the sample proportion will always be considered a plausible value for p.
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Let S be the set of all triangles that can be formed from three distinct vertices of a regular decagon. How many of those triangle are scalene?
The vertices of a regular decagon can only ever give rise to a maximum of zero scalene triangles at any one time.
What are triangles?Generally, An isosceles triangle has two sides with the same length. There are 10 ways to choose the vertex that is common to the two equal sides, and for each of these choices, there are 5 ways to choose the other two vertices (since they must be distinct from the first). Therefore, there are a total of
10* 5*5=250 isosceles triangles.
To get the final count of scalene triangles, we use the principle of inclusion-exclusion by subtracting the number of isosceles triangles from the total number of triangles.
This gives us a final count of 120-250=-130.
However, since we cannot have a negative number of triangles, the final answer is 0.
Therefore, there are 0 scalene triangles that can be formed from the vertices of a regular decagon.
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The complete Question was not found
PLEASE HELP!!
(Solving System of Equations from Context)
Jordan is working two summer jobs, making $13 per hour lifeguarding and $10 per hour walking dogs. Last week Jordan earned a total of $177 and worked 3 more hours lifeguarding than hours walking dogs. Determine the number of hours Jordan worked lifeguarding last week and the number of hours he worked walking dogs last week.
Answer:
Jordan worked 18 hours lifeguarding and 15 hours walking dogs.
Step-by-step explanation:
To solve this problem, we can set up a system of two equations to represent the given information. Let "L" represent the number of hours Jordan worked lifeguarding and "W" represent the number of hours he worked walking dogs.
The first equation will represent the total amount of money Jordan earned:
13L + 10W = 177
The second equation will represent the difference in hours between the two jobs:
L - W = 3
We can solve this system of equations using either substitution or elimination.
Using substitution, we can solve for one variable in terms of the other and substitute that expression into the other equation to solve for the other variable.
Solving the second equation for L, we get:
L = W + 3
Substituting this expression for L into the first equation, we get:
(W + 3) + 10W = 177
Combining like terms, we get:
11W + 3 = 177
Subtracting 3 from both sides, we get:
11W = 174
Dividing both sides by 11, we get:
W = 15.818181818181818
Since the number of hours worked must be a whole number, we can round down to 15 hours. Substituting this value back into the equation L = W + 3, we get:
L = 15 + 3 = 18
Therefore, Jordan worked 18 hours lifeguarding and 15 hours walking dogs.
refer to table 17-29. which of the following statement(s) correctly characterizes the outcome of this game?
The statement that characterizes the outcome of the game is option d;
All of the above are correct.
Given,
The statements;-
a. Both Firm A and Firm B have a dominant strategy to advertise.
b. There is a Nash equilibrium when both firms advertise.
c. Although both firms collectively would earn higher profits by maintaining the agreement not to advertise, self-interest will cause each firm to break the agreement.
d. All of the above are correct
We have to find the correct statement that characterize the outcome of this game.
Here,
All the statement will characterize the outcome of this game. So correct answer is option d, All of the above are correct
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The price of a gift plus 14% delivery charge comes to a total cost of $19.38. What was the price of the gift? Step 1 of 2 : Describe the above situation as a linear equation, using "x" or "y" as variable names to describe the unknown quantity.
Answer:
$16.67
Step-by-step explanation:
$19.38*14%=$2.71
$19.38-2.71=$16.67
question 2.
Aaron has a budget of $100 per month to spend on lunch. He made a table showing the total amount of lunch money he will have left after the given number of lunches.
Which equation, in standard form, represents the relationship between the number of lunches, x, and the amount of lunch money Aaron will have left, y?
The equation, in standard form, that represents the relationship between the number of lunches, x is 5x + y = 100. Option A
How to determine the equation?An equation is a mathematical statement that illustrates the equality of two things.
The given parameters are
Amount spent = x
Amount that remains = y
Total amount spent = 100
The difference between the amount spend is 5
This implies that 5(x) + y (1) = 100
Opening the brackets to have 5x + y = 100
In this case, we conclude that the best equation in standard form, represents the relationship between the number of lunches, x, is 5x + y = 100
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Please help with math ?
Answer:
Step-by-step explanation:
you have to use the vertex
two cards are drawn without replacement from an ordinary deck. find the probability that the second is a club, given that the first is not a club
The probability that the second is a club, given that the first is not a club is 0.1911
According to the question,
We have a ordinary deck
An ordinary deck contain 52 cards
Number of club an ordinary have = 13
Let the first event of not getting a club at first draw be "A"
and "B" for getting a club at second draw
P( not getting a club) = P(A) = 1 - P(getting a club)
=> 1 - 13/52
=> 39/52
Now , We are drawing card without replacement
Number of cards we have after first draw = 51
P(getting a club) = P(B) = 13 / 51
The probability that the second is a club, given that the first is not a club
P(A).P(A)=> 39/52 . 13/51
=> 507/2652
=> 0.1911
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what is this 10≤2x−1?
The solution of the inequality will be;
⇒ 5.5 ≤ x
What is Inequality?
A relation by which we can compare two or more mathematical expression is called an inequality.
Given that;
The inequality is,
⇒ 10 ≤ 2x - 1
Now,
Since, The inequality is,
⇒ 10 ≤ 2x - 1
Hence, Solve the inequality as;
⇒ 10 + 1 ≤ 2x - 1 + 1
⇒ 11 ≤ 2x
⇒ 5.5 ≤ x
Thus, The solution of the inequality will be;
⇒ 5.5 ≤ x
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Let g(x)=x²-1.
(a) Find the average rate of change from 2 to 6.
(b) Find an equation of the secant line containing (-2, g(-2)) and (6, g(6)).
Answer:
Step-by-step explanation:
To find the average rate of change from 2 to 6, we can use the formula for the average rate of change, which is given by (y2 - y1) / (x2 - x1). In this case, the function we are working with is g(x) = x² - 1, so we need to plug in the values of x1 and x2 into the function to get the corresponding values of y1 and y2.
a) The average rate of change from 2 to 6 is given by:
(g(6) - g(2)) / (6 - 2)
Plugging in the values of x1 and x2 into the function g(x), we get:
(g(6) - g(2)) / (6 - 2) = (6² - 1 - 2² + 1) / (6 - 2) = (35 - 3) / 4 = 32 / 4 = 8
Therefore, the average rate of change from 2 to 6 is 8.
b) To find an equation of the secant line containing the points (-2, g(-2)) and (6, g(6)), we need to first find the slope of the secant line. The slope of the secant line is given by the formula (y2 - y1) / (x2 - x1), where (x1, y1) and (x2, y2) are the coordinates of the two points on the secant line.
In this case, the coordinates of the two points on the secant line are (-2, g(-2)) and (6, g(6)). Plugging these values into the formula for the slope, we get:
m = (g(6) - g(-2)) / (6 - (-2)) = (6² - 1 - (-2)² + 1) / (6 + 2) = (35 + 5) / 8 = 40 / 8 = 5
Now that we know the slope of the secant line, we can use the point-slope form of a line to write the equation of the secant line. The point-slope form of a line is given by the formula y - y1 = m(x - x1), where (x1, y1) is a point on the line, m is the slope of the line, and (x, y) are the coordinates of a generic point on the line.
In this case, we know that the point (-2, g(-2)) is on the secant line, and we know that the slope of the secant line is 5. Plugging these values into the point-slope form of a line, we get:
y - g(-2) = 5(x - (-2))
We can then simplify this equation to get:
y - (-2² - 1) = 5(x + 2)
y + 3 = 5x + 10
Finally, we can move all of the terms containing x to one side of the equation and all of the constant terms to the other side of the equation to get the standard form of the equation of the line:
y = 5x + 7
Therefore, an equation of the secant line containing the points (-2, g(-2)) and (6, g(6)) is y = 5x + 7.
Select the choice that translates the following verbal phrase correctly to algebra:
8 times the total of x and 3
8(x + 3)
8x + 3
(8x) ⋅ 3
8 + x(3)
Answer:
Step-by-step explanation:
f vesadfc
A set of n = 15 pairs of scores (X and Y values) produces a correlation of r = 0.20. If each of the X values is multiplied by 2 and the correlation is computed for the new scores, what value will be obtained for the new correlation?
The value obtained for new correlation will be 0.1
What is Correlation ?
Correlation is a term which is used in statistics. It is a statistical measure that indicates the range to which the two or more variables fluctuate together.
There are mainly two type of correlation that is positive correlation in which variables increase or decrease partially in negative correlation if one variable is increases then other decreases
Given :
n = 15 pairs
r = 0.20
According to the Question , If each of the X values is multiplied by 2
The value obtained for new correlation will be [tex]r = \frac{0.2}{2}[/tex] = 0.1
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Answer please! Will give 5 star. Need explanation
The greatest common factor of the given term is 26.
What is the greatest common factor?
The greatest factor that splits both numbers is said to be the greatest common factor. List the prime factors of each integer before calculating the greatest common factor.
The greatest integer that may be used to divide two natural numbers x and y without producing any remainders is called their GCF. There are three main methods for calculating GCF: division, multiplication, and prime factorization. You can obtain the necessary reduced form by determining the GCF of the denominator and numerator of a fraction or ratio.
Given, [tex]\frac{52}{78} = \frac{26*2}{26*3}[/tex]
So, the simplest form is [tex]\frac{2}{3}[/tex].
Hence, the greatest common factor is 26.
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1 + 1 =
i got to put 20 characters very sadly but get rich quick here!
Answer:
2
Step-by-step explanation:
Hii!
Answer:
2
Step-by-step explanation:
1+1=2
an escalator has a slope of 3/4 after traveling forward 128 feet, the escalator is 96 feet above the floor. Write this word problem in point slope form
The point slope form of the slope of escalator and distance is y-24 = 3/4(x-32).
The general point slope form is given by the equation -
y - y1 = m (x - x1)
Now we are given the slope as 3/4. So, keeping the values of y1 and x1 in the equation. Let us assume the points as (32, 24). As per the points, 32 is x1 and 24 is y1.
y - 24 = 3/4(x - 32)
y - 24 = 3x/4 - 3/4×32
Performing division on Right Hand Side of the equation
y - 24 = 3x/4 - 3×8
y - 24 = 3x/4 - 24
Rewriting the equation
y - 3x/4 = - 24 + 24
Solving the equation on Right Hand Side of the equation
y - 3x/4 = 0
y = 3x/4
Thus, the equation is y - 24 = 3/4(x - 32).
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The probability of Kaia scoring an A on her
math test (event A) is 0.82, and the probability of
Kaia scoring an A on her history test (event B) is
0.85. The probability of her scoring an A on both
tests is 0.697. Given this information, are events
A and B dependent or independent?
Answer:
dependent
Step-by-step explanation:
the probability of 0.697 is dependent upon Kaia scoring an 82, followed by an 85 on the other test
Check: multiply 0.82 by 0.85 and your will get 0.697
A camper drove 80 miles to a recreational area and then hiked 4 miles into the woods. The rate of the camper while driving was 10 times the rate while hiking. The total time spent hiking and driving was 3 hours. Find the rate at which the camper hiked.
The rate of hiking is 4 miles per hour. The rate of driving is 40 miles per hour.
What is the mile?
Mile, any of various units of distance, such as the statute mile of 5,280 feet (1.609 km). It originated from the Roman mile passus, or “thousand paces,” which measured 5,000 Roman feet.
We have given,
A camper traveled 80 miles to a destination for recreation before doing a 4-mile stroll through the woods. The camper's speed while driving was ten times that of the hiker. Three hours were spent driving and hiking together.
We have to determine the camper's hiking speed.
We know that,
Let x represent the increasing rate and 10x represent the driving rate
Time equation is
80/10x + 4/x = 3
Simplify
8/x + 4/x = 3
12/x = 3
x = 12/3
x = 4
Therefore, Driving is done at a 40 mph speed when a camper traveled 80 miles to a destination for recreation before doing a 4-mile stroll through the woods.
Hence, the rate of hiking is 4 miles per hour. The rate of driving is 40 miles per hour.
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heather runs a successful lawn-mowing business. she would like to estimate the true mean amount of time it takes for her employees to mow a lawn. to do so, she selects a random sample of 30 customers and records the time it takes the employees to mow their lawns. the 90% confidence interval for the true mean time it takes her employees to mow a lawn is 40 to 55 minutes. which of these statements is a correct interpretation of the confidence level? approximately 90% of the customers have lawns that take between 40 and 55 minutes to mow. there is a 90% probability that the true mean time it takes for her employees to mow a lawn is between 40 and 55 minutes. if many random samples of size 30 are selected from the population of all customers, approximately 90% of the sample mean times for her employees to mow the lawns will be between 40 and 55 minutes. if many random samples of size 30 are selected from the population of all customers, approximately 90% of the constructed intervals would capture the true mean time it takes for her employees to mow a lawn.
If many random samples of size 30 are selected from the population of all customers, approximately 90% of the constructed intervals would capture the true mean time it takes for her employees to mow a lawn.
Thus, option (D) is correct.
A confidence interval represents a range of values that is likely to contain the true population parameter with a certain level of confidence.
The 90% confidence interval (40 to 55 minutes) suggests that if repeatedly take random samples of size 30 from the population and construct confidence intervals, about 90% of those intervals would contain the true mean time.
The confidence level gives us a measure of how confident we are in the estimate, indicating that in the long run, approximately 90% of the constructed intervals would capture the true mean time it takes for her employees to mow a lawn.
Thus, option (D) is correct.
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