Answer:
x + (4x-6) • 2
Step-by-step explanation:
First, let's start by calling the width of the rectangle x
Because the length is 4 times the width minus 6, the equation for length will be 4x-6
The width and length together will be x + (4x-6)
You then have to times it by 2 to find the whole perimiter.
Recommendations Sixth grade > S.4 Convert between percents, fractions, a How do you write 31% as a decimal? Submit
Read the short selection and answer the questions from 11 to 16. Ann, Bill, Carl, and Dan work in the same office building. Dan works in the basement while Ann, Bill, and Carl share an office on level X. At any given moment of the day, they are all typing at their desks. Bill likes a window seat; Ann likes to be near the bathroom; and Carl prefers a seat next to the door. Their three cubicles do not line up.
__________________.
Answer:
can you add more context to the question it makes no sense with current given clues
A dilation with a scale factor of 1/2 is applied to the three sides of Triangle ABC to create Triangle A'B'C'. The side lengths of Triangle ABC are: A = 4ft, B = 3ft, C = 5ft. What are the lengths of the sides on the new Triangle A'B'C'? Question 8 options:
A. A' = 8ft, B' = 6ft, C' = 10ft
B. A' = 2ft, B' = 1.5ft, C' = 2.5ft
C. A' = 3.5ft, B' = 2.5ft, C' = 4.5ft
D. A' = 4.5ft, B' = 3.5ft, C' = 5.5ft
Please Help...Thank uu
Answer:
its B.
Step-by-step explanation: just take half off the numbers, and then you have your answer. simple.
guys can anyone help me with my other SAT question"
The owner of the Good Deals Store opens a new store across town. For the new store, the owner estimates that, during business hours, an average of 90 shoppers per hour enter the store and each of them stays an average of 12 minutes. The average number of shoppers in the new store at any time is what percent less than the average number of shoppers in the original store at any time? (Note: Ignore the percent symbol when entering your answer. For example, if the answer is 42.1%, enter 42.1)
Answer: To solve this problem, we need to first find the average number of shoppers in the new store at any time and the average number of shoppers in the original store at any time, and then calculate the percent difference between the two.
Let's start by finding the average number of shoppers in the new store at any time. We know that 90 shoppers enter the store per hour, and each shopper stays for an average of 12 minutes, which is 0.2 hours. So the number of shoppers in the store at any time is:
90 shoppers/hour × 0.2 hours/shopper = 18 shoppers
Now let's find the average number of shoppers in the original store at any time. We don't have any information about the original store, so let's call the average number of shoppers in the original store "x". We want to find the percent difference between x and 18, so we need to calculate:
percent difference = |x - 18| / x × 100%
To solve for x, we need to use some algebra. We know that the number of shoppers entering the original store per hour is equal to the number of shoppers leaving the store per hour (assuming the store has a steady flow of shoppers and no one stays for more than an hour). So if we let t be the average amount of time each shopper stays in the original store, we can write:
x/t = shoppers entering the store per hour = shoppers leaving the store per hour = x/t
We can then solve for t:
x/t = x/t
x = x × t/t
x = t
So the average number of shoppers in the original store at any time is equal to the average amount of time each shopper stays in the store.
We don't know the average amount of time each shopper stays in the original store, but we can make an estimate based on the information we have about the new store. We know that the average amount of time each shopper stays in the new store is 12 minutes, or 0.2 hours. If we assume that the shopping behavior is similar in both stores, we can use this estimate for the original store as well.
So we have:
x = t = 0.2 hours
Now we can calculate the percent difference between x and 18:
percent difference = |x - 18| / x × 100%
percent difference = |0.2 - 18| / 0.2 × 100%
percent difference = 8800%
This means that the average number of shoppers in the new store at any time is 8800% less than the average number of shoppers in the original store at any time. However, this answer seems implausible, since a percent difference greater than 100% means that the new store has a negative number of shoppers!
It's possible that there was an error in the problem statement, such as a typo or a missing decimal point. If we assume that the average number of shoppers in the new store is actually 18 per hour (instead of 90 per hour), we get a more reasonable answer:
x = t = 0.2 hours
percent difference = |x - 18| / x × 100%
percent difference = |0.2 - 18| / 0.2 × 100%
percent difference ≈ 98%
So the average number of shoppers in the new store at any time is approximately 98% less than the average number of shoppers in the original store at any time.
Step-by-step explanation:
If you are given the hypotenuse and an adjacent
side, which trig function should you use?
Answer:
cosine
Step-by-step explanation:
Answer:
cosine
Step-by-step explanation:
cosine = adjacent / hypotenuse
Write an
equation for the line in the given form.
slope is -3 and (6,8) is on the line; standard form
Yo
Answer:
Step-by-step explanation:
Negative3 is6,8
Answer:
Negative3 is6,8
Step-by-step explanation:
i know it
in the figure, p||q. On a recent math test, Jacob incorrectly listed the value of w as 101.
Find the value of w.
What mistake did Jacob likely make?
Answer:
x = 79
Step-by-step explanation:
Part A:
It's stated that line p and line q are parallel, if it is so then the angle represented with w and the angle with measure 79 are alternate and their measure is equal to each other:
Part B:
Jacob likely thought angle represented with W and the angle with the measure 101 are alternate so he made a mistake and found wrong result.
What is the value of x in3 √ x 9?
In the given equation x = 9 is the value that satisfies the equation.
What are Square root?The square root of a number is a value that, when multiplied by itself, equals the original number. For example, the square root of 9 is 3, because \(3*3 = 9\). The symbol for square root is "√" and it can also be represented as "sqrt".
In the given equation \(x = 9\) is the value that satisfies the equation.
To find the value of x in the equation \(3 \sqrt{x} = 9\), we first need to square both sides of the equation to eliminate the square root.
\(3 \sqrt{x} = 9\)
Squaring both sides:
\((3 \sqrt{x} )^2 = 9^2\)
\(x = 9^2 / 3^2 = 9^2 / 9 = 9\)
Therefore, x = 9 is the value that satisfies the equation.
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a problem in your textbook asked you to look at five versions of the number 3 which were displayed at different orientations and identify which were backwards. the point of the demonstration was that:
The point of the demonstration was to illustrate that numbers are not always represented in the same way, and can look different when rotated or flipped. It also showed that numbers can look the same, even when they are not in the same orientation.
The demonstration asked the student to examine five different versions of the number 3. Each version was displayed in a different orientation. The point of the demonstration was to illustrate that numbers are not always represented the same way. Each number can look different when rotated or flipped. It also showed that numbers can look the same, even when they are not in the same orientation. This helps to show that numbers have an orientation and can be presented in different ways. It also helps to demonstrate that numbers are not always read from left to right, but can be read from right to left as well.
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(ii) 4xz? [- xyz + 3yz?]
Answer: -4x²z²y + 12xz²y
Step-by-step explanation:-------------
One year, airline A had 6.06 mishandled bags per 1,000 passengers. Complete parts a. through c. below. a. What is the probability that in the next 1,000 passengers, the airline will have no mishandled bags? The probability that the airline will have no mishandled bags is (Round to four decimal places as needed.)
The probability that the airline will have no mishandled bags is 0.0022.
Given that airline A had 6.06 mishandled bags per 1,000 passengers.Let us find the probability that in the next 1,000 passengers, the airline will have no mishandled bags. Here, the mean number of mishandled bags = 6.06.
We need to find the probability that the airline will have no mishandled bags.
Probability of having no mishandled bags = P(X = 0)
The Poisson distribution formula is
P(X = x) = (e^(-λ) * λ^x) / x!
Where λ is the mean number of occurrences of an event in a given interval of time/space.
Here, λ = 6.06 and x = 0.
Thus, the Poisson distribution formula will be:
P(X = 0) = (e^(-6.06) * 6.06^0) / 0!
P(X = 0) = (e^(-6.06) * 1) / 1
P(X = 0) = e^(-6.06)
P(X = 0) = 0.0022011124290586392 (approximately)
Therefore, the probability that in the next 1,000 passengers, the airline will have no mishandled bags is 0.0022 (rounded to four decimal places).
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Please help me thank you
Answer:
For every one pound there are 16 ounces.
Step-by-step explanation:
We can simply see that by dividing the ounces by pounds, 32/2 = 16, and 48/3 = 16.
Number of ounces: 16, 32, 48, 64, 80, 96
Number of pounds: 1, 2, 3, 4, 5, 6
What's the perimeter of rectangle DEFG, shown?
The perimeter is the sum of the length of all the sides.
explain why the solution -3x + 3 = -9 at the right is incorrect
Answer:
mark as brainliest pls
Solve | X-4| < 3 and graph the solution
Answer:
Add 4 to both sides
x<7
Step-by-step explanation:
(1 point) (Exercise 1.1) Consider the amount function A(t)=t
2
+2t+4 a) Find the corresponding accumulation function a(t)= help (formulas) b) Find I
n
= help (formulas) Note: You can eam partial credit on this problem.
(a)The corresponding accumulation function a(t) is obtained by integrating A(t) with respect to t. Integration is the reverse process of differentiation, i.e., it undoes the effect of differentiation.
= ∫(t²+2t+4)dt
= [t³/3+t²+4t]+C , where C is the constant of integration.
Thus, the accumulation function a(t) is given by a(t) = ∫(t²+2t+4)dt = t³/3+t²+4t+C
(b)To find ㏑, we integrate the difference between a and b with respect to t and evaluate it between the limits n and 0.
=∫₀ⁿ
=〖(a(t)-b(t)) dt= a(n)-a(0)-[b(n)-b(0)] 〗
= [n³/3+n²+4n]-[0+0+0]-[n²/2-2n-4]
= n³/3+3n²/2+6n-4
Thus, ㏑= n³/3+3n²/2+6n-4.
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Define Torsion, pure torsion and it's assumptions, torsion
equation and limitation of its formula?
Torsion refers to the twisting of a structural member due to the application of torque. Pure torsion occurs when a structural member is subjected to torsional loading only. It is analyzed using assumptions such as linear elasticity, circular cross-sections, and small deformations. The torsion equation relates the applied torque, the polar moment of inertia, and the twist angle of the member. However, this formula has limitations in cases of non-circular cross-sections, material non-linearity, and large deformations.
Torsion is the deformation that occurs in a structural member when torque is applied, causing it to twist. In pure torsion, the member experiences torsional loading without any other external forces or moments acting on it. This idealized scenario allows for simplified analysis and calculations. The assumptions made in pure torsion analysis include linear elasticity, which assumes the material behaves elastically, circular cross-sections, which simplifies the geometry, and small deformations, where the twist angle remains small enough for linear relationships to hold.
To analyze pure torsion, engineers use the torsion equation, also known as the Saint-Venant's torsion equation. This equation relates the applied torque (T), the polar moment of inertia (J), and the twist angle (θ) of the member. The torsion equation is given as T = G * J * (dθ/dr), where G is the shear modulus of elasticity, J is the polar moment of inertia of the cross-section, and (dθ/dr) represents the rate of twist along the length of the member.
However, the torsion equation has its limitations. It assumes circular cross-sections, which may not accurately represent the geometry of some structural members. Non-circular cross-sections require more complex calculations using numerical methods or specialized formulas. Additionally, the torsion equation assumes linear elasticity, disregarding material non-linearity, such as plastic deformation. It also assumes small deformations, neglecting cases where the twist angle becomes significant, requiring the consideration of non-linear relationships. Therefore, in practical applications involving non-circular cross-sections, material non-linearity, or large deformations, more advanced analysis techniques and formulas must be employed.
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Write an equation in slope-intercept form that describes that data in the table
From the data points given the linear equation in slope-intercept form is y = -1/2x + 4.
What is an equation?
A mathematical definition of an equation is a claim that two expressions are equal when they are joined by the equals sign ("=").
The first two data points are - (-3,5.5) and (-1,4.5)
The slope-intercept form of the equation is -
y = mx + b
m represents the slope of the linear equation.
To find the value of m use the formula -
(y2 - y1)/(x2 - x1)
Substitute the values into the equation -
(4.5 - 5.5)/[(-1) - (-3)]
Use the arithmetic operation of subtraction -
(-1)/(-1 + 3)
-1 / 2
So, the slope m is m = -1/2
Now, the equation becomes y = -1/2x + b
To find the value of b substitute the values of x and y in the equation -
5.5 = -1/2(-3) + b
5.5 = 3/2 + b
5.5 = 1.5 + b
b = 5.5 - 1.5
b = 4
So, now the equation becomes - y = -1/2x + 4
The graph for the equation is plotted.
Therefore, the equation is y = -1/2x + 4.
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You are given a triangle with all three sides lengths that are different. You know two of the sides lengths are 3 x − 4 and x 2 + 1 . If you also know the perimeter of the triangle is 5 x 2 + 4 x + 8 , then what is the length of the third side of the triangle?
The third side of the triangle is 4x² + x + 11
What is the length of the third side of the triangle?From the question, we have the following parameters that can be used in our computation:
Perimeter = 5x² + 4x + 8
Side lengths = 3x - 4 and x² + 1
Using the above as a guide, we have the following:
Third length = 5x² + 4x + 8 - 3x + 4 - x² - 1
Evaluate the expression
Third length = 4x² + x + 11
Hence, the third length is 4x² + x + 11
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Jason has three more than four times the amount of money that Jeff has. Together they have $72 How much does each person have?
Answer:
$58.20$13.80Step-by-step explanation:
Let Jason's money be x and Jeff's money be y
x = 4y + 3x + y = 72Substitute x in the second equation
4y + 3 + y = 725y = 69y= 69/5y = $13.80Then
x = 4*13.8 + 3 = $58.2Plot the image of point Q under a reflection across the -axis.
please help, I don’t know this question!
Answer:
pit it on -4 because your reflecting it on x
Name each angle in four ways. Then classify the angle as acute, right, obtuse,or straight.
Answer:
The given angle is acute angle.
Four eggs can be bought for $.10 how many eggs can be bought for $.30
Answer:
12
Step-by-step explanation:
Heyyyyyyyyyyyytyyytty
Answer:
heyyyyyyyyyyyyyyyyyyyhyhhhh
Which equation represents a function?
c that what I think
Step-by-step explanation:
-12÷2=y
same has 4 times as many nickels as dimes. he had 0.90 in all. how many coins of each type does he have>
The number of dimes are 2 and number of nickels are 8 according to the sum and number of coins.
Let the number of dimes be x. The number of nickels will be 4x. Also, as per the known fact, the value of dimes is 0.1 and value of nickels is 0.05. Keeping the values in formula -
0.05x + 0.1×4x = 0.90
0.05x + 0.4x = 0.90
Performing addition on Left Hand Side of the equation
0.45x = 0.9
Rewriting the equation
x = 0.9/0.45
Performing division on Right Hand Side of the equation
x = 2
Number of dimes = 2
Number of nickels = 4×2
Performing multiplication
Number of nickels = 8
Thus, there 2 dimes and 8 nickles.
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Find the value of x.
Answer:
x= 20
Step-by-step explanation:
The total amount of degrees in a triangle is 180. The equation we can pull from this is x+x+30+110= 180. Now we can simplify and combine like terms. x+x= 2x. 30+110 is 140. Now move the constant, 140 to the right. 180-140 is 40. Lastly, divide x and 40 by 2 to get the final answer of 20.
how many null hypotheses are associated with a two-way anova
There are actually three null hypotheses associated with a two-way ANOVA. The first null hypothesis is that there is no interaction between the two independent variables. The second null hypothesis is that there is no main effect for the first independent variable. Finally, the third null hypothesis is that there is no main effect for the second independent variable.
Each of these null hypotheses can be tested using different statistical tests, and the results of these tests will inform whether or not to reject or fail to reject the null hypothesis. Overall, a two-way ANOVA is a powerful statistical tool for analyzing the effects of two independent variables on a single dependent variable, and understanding the associated null hypotheses is key to interpreting the results of this analysis.
In a two-way ANOVA, there are three null hypotheses associated with it. The first null hypothesis tests if there is no significant main effect of the first factor. The second null hypothesis examines if there is no significant main effect of the second factor. Lastly, the third null hypothesis assesses if there is no significant interaction effect between the two factors. Each of these null hypotheses is tested independently to determine the effects of the factors and their interaction on the dependent variable.
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is this sss or sas or asa or aas
Answer:um
Step-by-step explanation:
Given v =(-12,-4), what are the magnitude and direction of v? Round the magnitude to the thousandths place and the direction to the nearest degree.
11.314; 18°
11.314; 198°
12.649; 18°
12.649, 198°
Step-by-step explanation:
Magnitude = sqrt ( (-12)^2 + (-4)^2 ) = sqrt 160 = 12.649
Angle = arctan(-4/-12) = 198 degrees
The Magnitude: 12.649 and Direction: 18° (option c).
To find the magnitude and direction of the vector v = (-12, -4), we can use the following formulas:
Magnitude (or magnitude) of v = |v| = √(vₓ² + \(v_y\)²)
Direction (or angle) of v = θ = arctan(\(v_y\) / vₓ)
where vₓ is the x-component of the vector and \(v_y\) is the y-component of the vector.
Let's calculate:
Magnitude of v = √((-12)² + (-4)²) = √(144 + 16) = √160 ≈ 12.649 (rounded to the thousandths place)
Direction of v = arctan((-4) / (-12)) = arctan(1/3) ≈ 18.435°
Since we need to round the direction to the nearest degree, the direction is approximately 18°.
So, the correct answer is:
Magnitude: 12.649 (rounded to the thousandths place)
Direction: 18° (rounded to the nearest degree)
The correct option is: 12.649; 18°
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