\( \large \bf \implies{32 {m}^{15} {n}^{10} }\)
Step-by-step explanation:\(\bf \longrightarrow{(2m^{3}n^{2})^{5} } \\ \\ \bf \longrightarrow {2}^{5} \times ( {m}^{3})^{5} \times ( {n}^{2})^{5} \\ \\ \bf \longrightarrow32( {m}^{3})^{5}( {n}^{2})^{5} \\ \\ \bf \longrightarrow32 {m}^{15} {n}^{10} \)
Note : We have used the two exponent rules:
\((1) \: \: \large \bf \boxed{ \bf \green{(ab)^{n} = {a}^{n} \times {b}^{n} }}\)
\((2) \: \: \large \bf \boxed{ \bf \green{(a^{n})^{m} = {a}^{nm} }}\)
Ahmed wrote two numbers. The first number has a 7 in its tenths place. The second number has a 7 with a value that is 1,000 times greater than the value of the 7 in the first number.In which place is the 7 in the second number?
The second digit 7 appears in the position reserved for the ten thousand.
This is further explained below.
In which place is the 7 in the second number?In most cases, the location of the number 7 in the second number may be determined by utilizing the multiplication system of numbers. The location of the ten thousand is represented by the second digit of the numeral seven.
It is a given that the first number has a seven in the tenth position.
According to the question that was presented, the first number contains a 7 in the tenth position, which means that the number is 10 times bigger than itself. Now determine the number, seven times ten equals seventy.
In conclusion, Because the value of the seven in the second number is 1,000 times more than the value of the seven in the first number, the value of the second number is 1,000 times greater than the value of the number itself.
7 x 1000 = 7000
As a result, the second digit 7 appears in the position reserved for the ten thousands.
,
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The probability of a type I error depends on the significance level of the test.
Group of answer choices
True
False
True. The probability of a Type I error is directly related to the significance level of a statistical test.
The significance level, denoted by α, is the threshold at which we reject the null hypothesis. If we set a higher significance level, such as α = 0.10, it means we are more willing to reject the null hypothesis and accept an alternative hypothesis, increasing the chance of making a Type I error. On the other hand, if we set a lower significance level, such as α = 0.01, it reduces the probability of Type I errors, as we require stronger evidence to reject the null hypothesis.
In summary, the significance level determines the probability of making a Type I error, with a higher significance level leading to a higher probability of Type I error, and a lower significance level reducing the probability of Type I error.
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What is 4(2x- 2) + 22
Answer:
8x+14
Step-by-step explanation:
e(x) = -x + 1
Find e(-1)
Answer:2
Step-by-step explanation:x is -1. -(-1) is 1. 1+1=2
plans for a vehicle are drawn to 1:192 scale. if one part of the vehicle measures 3/16 inch on the plans, what is the measurement of the actual part?
The measurement of the actual part is 36 inches. The plans are drawn to a 1:192 scale, so 3/16 inch on the plans is equal to 36 inches in actual size.
When plans for a vehicle are drawn to 1:192 scale, this means that for every 1 inch on the plans, the actual size of the vehicle is 192 inches. To calculate the measurement of the actual part, we need to determine how many inches 3/16 inch is on the plans. To do this, we can use the ratio 1:192 to convert the measurement from the plans to the actual size.
1/192 = 3/16 / x
To solve for x, we can multiply both sides of the equation by 16, which gives us:
16/192 = 3/16 * 16 / x
Simplifying, we get:
1/12 = 3/x
Finally, to solve for x, we can multiply both sides of the equation by x, which gives us:
x/12 = 3
Therefore, x = 36. This means that 3/16 inch on the plans is equal to 36 inches in actual size, so the measurement of the actual part is 36 inches.
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A plot has a concrete path within its borders on all sides having uniform width of 4m. The plot is rectangular with sides 20m and 15m. Charge of removing concrete is Rs. 6 per sq.m. How much is spent
A total of Rs. 2064 would be spent on removing the concrete path.
To calculate the amount spent on removing the concrete path, we first need to find the area of the path.
The total area of the plot including the concrete path is:
Total Area = (20 + 2 * 4) * (15 + 2 * 4) square meters
= (28) * (23) square meters
= 644 square meters
The area of the plot without the concrete path is:
Plot Area = 20 * 15 square meters
= 300 square meters
Therefore, the area of the concrete path is:
Path Area = Total Area - Plot Area
= 644 - 300 square meters
= 344 square meters
The cost of removing concrete is given as Rs. 6 per square meter.
Hence, the amount spent on removing the concrete path is:
Amount spent = Path Area * Cost per square meter
= 344 * 6 Rs.
= 2064 Rs.
As a result, Rs. 2064 would be needed to remove the concrete path.
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FILL IN THE BLANK. If the original population is ______ _______, then for any sample size n, the sample means will be normally distributed (not just for values of n larger than 30)
If the original population is normally distributed, then for any sample size n, the sample means will be normally distributed (not just for values of n larger than 30).
This concept is derived from the Central Limit Theorem (CLT), which states that regardless of the shape of the original population, as the sample size increases, the distribution of sample means will tend to become normally distributed. However, the CLT usually requires a sample size of at least 30 to approximate normality. When the original population is already normally distributed, the sample means will be normally distributed for any sample size n, even if n is less than 30.
This property is particularly useful in statistical analysis and hypothesis testing, as normality assumptions allow for the application of parametric statistical techniques. In conclusion, if the original population is normally distributed, the distribution of sample means will be normal for any sample size, which simplifies statistical analysis and interpretation.
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A mathematics teacher wanted to see the correlation between test scores and
homework. The homework grade (x) and test grade (y) are given in the accompanying
table. Write the linear regression equation that represents this set of data, rounding
all coefficients to the nearest tenth. Using this equation, find the projected test grade,
to the nearest integer, for a student with a homework grade of 35
Homework Grade (x) Test Grade (y)
78
87
85
78
74
76
41
55
90
88
88
83
81
81
52
62
The projected test grade for a student with a homework grade of 35 is 47.74.
What is slope intercept form of line?The slope intercept form of a line is y=mx+b, where m is slope and b is the y intercept.
Homework Grade (x) Test Grade (y)
78 90
87 88
85 88
78 83
74 81
76 81
41 52
55 62
Let us find the slope m=62-52/55-41
=10/14=0.714
62=0.714(55)+b
b=22.75
Now let us find the projected test grade, to the nearest integer, for a student with a homework grade of 35 is 47.74
So y=0.714(35)+22.75
y=47.74
Hence, the projected test grade for a student with a homework grade of 35 is 47.74.
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Which equation has an X intercept of 3 and a y intercept of 5?
y = -\(\frac{5}{3}\)x+5 equation has an X intercept of 3 and a y intercept of 5 .
The point on a line where it crosses an axis is referred to as the "intercept." The slope of the line passes through a point called an intercept on the y-axis.
The equation for a line, which is written as y = mx+c, which stands for slope and y-intercept, respectively, reflects this.
The two main intercepts are X-intercept and Y-intercept. Where the line crosses the x and y axes, respectively, is where the line's x-intercept and y-intercept are situated.
In this case, you are given both intercepts.
Plot a line from the third x-axis point.
On the y-axis, place the coordinates y = 5.
The necessary line is a straight line that passes through these two places is
y = -\(\frac{5}{3}\)x+5
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What do you think happens to the graph
of f(x) = x2 if we multiply it by 3? Make a
guess. It undergoes a ...
I
A. Vertical Stretch
B. Vertical Shrink
Answer:
b. vertical shrink
Step-by-step explanation:
Find the sum. Express the answer in scientific notation.
(6.8 x 103) + (2.6 x 105)
Answer: multiply the numbers---
700.4+(2.6*105) = 700.4+273
973.4 the answer
Answer:
Answer is C
Step-by-step explanation:
first find out the exponents. 10^3 is 1000 so 1000x6.8 is 6800
Then 10^5 is one hundred thousand and 2.6 x one hundred thousand and u can figure it out cuz like AA i gotta do school
Of the vehicles in a parking lot, 3/4 were SUVs. Of the SUVs, 1/5 were red and 1/3 were black. Which expression shows how to find the fraction of all the vehicles in the parking lot that were red or black SUVs?
Find X and Y.
I really need help on this. It’s confusing.
Step-by-step explanation:
7x-2 ) + (١١x -34)
so u will get the answer
after getting it u can easy get y
If the dune buggy catches up with the car 3.65 meters ahead of its current location, what is the acceleration of the car, and how long did it take for the dune buggy to reach it?
The acceleration of the car is:
\(t = (-1.05 + sqrt(1.1025 - 2 * a_car * (x_initial_car - 2.55))) / a_cara_car = 2aa_car = 2 * (1/2) * a_cara_car = a_car\)
To solve this problem, we can use the equations of motion to find the acceleration of the car and the time it takes for the dune buggy to catch up. Let's break down the problem step by step:
- Velocity of the dune buggy (v_dune_buggy) = 0.57 m/s
- Initial position of the dune buggy (x_initial_dune_buggy) = 2.55 m (behind the car)
- Velocity of the car (v_car) = 1.05 m/s
- Acceleration of the car (a_car) = ? (to be determined)
- Final position of the car (x_final_car) = x_initial_car + 3.65 m (where \(x_initial_car\) is the current position of the car)
Determine the time it takes for the dune buggy to catch up with the car.
Let's assume the time taken as t.
The distance traveled by the dune buggy during time t is given by:
\(x_dune_buggy = v_dune_buggy * t\)
The distance traveled by the car during time t is given by:
\(x_car = x_initial_car + v_car * t + (1/2) * a_car * t^2\)
We know that when the dune buggy catches up with the car, their positions are equal. Therefore:
\(x_dune_buggy = x_car\)
Substituting the respective equations:
\(v_dune_buggy * t = x_initial_car + v_car * t + (1/2) * a_car * t^2\)
Determine the acceleration of the car.
Rearranging the equation:
\((1/2) * a_car * t^2 + (v_car - v_dune_buggy) * t + (x_initial_car - x_initial_dune_buggy) = 0\)
Comparing this equation with the standard form ax^2 + bx + c = 0, we can see:
\(a = (1/2) * a_carb = (v_car - v_dune_buggy)c = (x_initial_car - x_initial_dune_buggy)\)
Solve for t using the quadratic formula.
t = (-b ± sqrt(b^2 - 4ac)) / 2a
Calculate the acceleration of the car.
a_car = 2a
Let's perform the calculations:
Determine the time it takes for the dune buggy to catch up with the car.
\(x_dune_buggy = v_dune_buggy * tx_car = x_initial_car + v_car * t + (1/2) * a_car * t^2v_dune_buggy * t = x_initial_car + v_car * t + (1/2) * a_car * t^2\)
Determine the acceleration of the car.
a = (1/2) * a_car
b = (v_car - v_dune_buggy)
c = (x_initial_car - x_initial_dune_buggy)
Solve for t using the quadratic formula.
t = (-b ± sqrt(b^2 - 4ac)) / 2a
Calculate the acceleration of the car.
a_car = 2a
Let's perform the calculations:
\(0.57 * t = x_initial_car + 1.05 * t + (1/2) * a_car * t^2a = (1/2) * a_carb = (1.05 - 0.57)\)
c = (x_initial_car - 2.55)
t = (-b ± sqrt(b^2 - 4ac)) / 2a
Using the quadratic formula:
\(t = (-1.05 + sqrt((1.05)^2 - 4 * (1/2) * a_car * (x_initial_car - 2.55))) / (2 * (1/2) * a_car)\)
Simplifying further:
\(t = (-1.05 + sqrt(1.1025 - 2 * a_car * (x_initial_car - 2.55))) / a_cara_car = 2aa_car = 2 * (1/2) * a_cara_car = a_car\)
Now, we have the equation for t in terms of a_car. To find the specific values, we need to know the initial position of the car (x_initial_car). Could you please provide the value of x_initial_car so that we can proceed with the calculations?
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#Correct question: A battery-operated toy dune buggy traveling at a constant speed of 0.57 m/s is 2.55 m behind a wind-up car currently moving at 1.05 m/s but slowing down with a constant acceleration. If the dune buggy catches up with the car 3.65 meters ahead of its current location, what is the acceleration of the car, and how long did it take for the dune buggy to reach it?
I will give Brainliest or a Cookie, your choice
Which choice is NOT a fillet type in SOLIDWORKS? constant size variable size faceangled
The correct option is (d) Angled. Among all (constant size, variable size, face, angled) The Angled is NOT a fillet type in SOLIDWORKS.
SOLIDWORKS has 3 types of fillets: constant size, variable size, and face. Constant size fillets have a constant radius applied to all edges of the selected face or faces. Variable size fillets allow the user to customize the radius of each edge. Face fillets are used to create a smooth transition between two faces.
All three types of fillets create a smooth transition between the edges and faces of a 3D model. Angled is not a type of fillet in SOLIDWORKS, but rather it is a type of chamfer, which is a type of edge treatment that creates an angled edge rather than a smooth transition. Chamfers can be used to create sharp corners or to break up the edges of a 3D model.
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Which ordered pair is NOT a solution to the inequality in the graph?
A. (0,0)
B.(-2,-4)
C.(0,2)
D.(-3,4)
Given:
The inequality is
\(y\leq 3x+2\)
To find:
The ordered pair that is NOT a solution to the inequality in the graph.
Solution:
We have,
\(y\leq 3x+2\)
Checking the inequality for (0,0), we get
\(0\leq 3(0)+2\)
\(0\leq 2\)
So, the equality is true for (0,0). it means (0,0) is a solution of given inequality.
Checking the inequality for (-2,-4), we get
\(-4\leq 3(-2)+2\)
\(-4\leq -6+2\)
\(-4\leq -4\)
So, the equality is true for (-2,-4). It means (-2,4) is a solution of given inequality.
Checking the inequality for (0,2), we get
\(2\leq 3(0)+2\)
\(2\leq 2\)
So, the equality is true for (0,2). It means (0,2) is a solution of given inequality.
Checking the inequality for (-3,4), we get
\(4\leq 3(-3)+2\)
\(4\leq -9+2\)
\(4\leq -7\)
This statement is not true. So, the equality is false for (-3,4). It means (-3,4) is not a solution of given inequality.
Therefore, the correct option is D.
the drying times for a certain type of cement are normally distributed with a standard deviation of 62 minutes. a researcher wishes to estimate the mean drying time for this type of cement. find the least sample size needed to assure with 90% confidence that the sample mean will not differ from the population mean by more than 5 minutes.
The least sample size needed to assure with 90% confidence that the sample mean will not differ from the population mean by more than 5 minutes will be 416.16.
What is normal distribution?A normal distribution is a data set design in which the majority of values cluster around the middle of the range and the remainder taper off symmetrically toward either end. Data in a normal distribution are symmetrically distributed and have no skew. The majority of values cluster around a central location, with values decreasing as one moves out from the center. In a normal distribution, the measures of central tendency (mean, mode, and median) are all the same. The normal distribution, like any other probability distribution, defines how the values of a variable are distributed. Because it properly captures the distribution of values for many natural occurrences, it is the most important probability distribution in statistics.
Here,
The z value at the 90 percent confidence interval is 1.645.
t ≥ z*s/√n
5≥1.645*62/√n
√n≥20.398
√n≥20.4
n≥416.16
The smallest sample size required to ensure that the sample mean does not deviate from the population mean by more than 5 minutes with 90% confidence is 416.16.
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You borrow $30,000 to buy a car. The loan is to be paid off in 10 equal quarterly payments at 6% interest annual interest rate. The first payment is due one quarter from today. What is the amount of each quarterly payment (rounded)? A. $1,777. B. $2,803. C. $3,253. D. None of the above.
The amount of each quarterly payment, rounded, for a $30,000 loan with a 6% annual interest rate to be paid off in 10 equal quarterly payments is $2,803 (option B).
To calculate the amount of each quarterly payment, we need to use the formula for calculating the equal payments on an installment loan. In this case, the loan amount is $30,000, the annual interest rate is 6%, and the loan term is 10 quarters.
Using the formula, we can determine that the amount of each quarterly payment is approximately $2,803. This amount is rounded to the nearest whole number, as specified in the question. Therefore, option B, $2,803, is the correct answer. The other options (A, C, and D) are not applicable to the calculation based on the given information.
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1. In a radical engine the moving parts have a total moment of inertia of 1 kg m 2
, and this is concentrated in the plane of the single crankpin. The engine is directly connected to an air-screw of moment of inertia 18 kg m 2
, by a hollow shaft having outer and inner diameters of 80 mm, and 35 mm, and a single effective length of 0.30 m. The stiffness of the crank-throw alone is 2.5×10 4
Nm/rad. Estimate the natural frequency of torsional vibration of the custen What percentage is involved if the air-screw mass is assumed to be infinite. G=83000 N/mm 2
HINT The stiffness of the crank-throw may be reduced to an equivalent length of shaft at the same diameter as the engine using q
1
= q 1
1
+ q 2
1
The percentage change in frequency is 0%.Hence, the natural frequency of torsional vibration of the custen is given by f = 25.7 / L₀^(1/2) and the percentage change in frequency is 0%.
We are given that:
Total moment of inertia of moving parts = I = 1 kgm²
Moment of inertia of air-screw = I = 18 kgm²
Outer diameter of hollow shaft = D₀ = 80 mm
Inner diameter of hollow shaft = Dᵢ = 35 mm
Length of hollow shaft = L = 0.30 m
Stiffness of the crank-throw = K = 2.5 × 10⁴ Nm/rad
Shear modulus of elasticity = G = 83000 N/mm²
We need to calculate the natural frequency of torsional vibration of the custen.
The formula for natural frequency of torsional vibration is: f = (1/2π) [(K/L) (J/GD)]^(1/2)
Where, J = Polar moment of inertia
J = (π/32) (D₀⁴ - Dᵢ⁴)
The formula for equivalent length of hollow shaft is given by:
q₁ = q₁₁ + q₁₂
Where, q₁₁ = (π/32) (D₀⁴ - Dᵢ⁴) / L₁q₁₂ = (π/64) (D₀⁴ - Dᵢ⁴) / L₂
L₁ = length of outer diameter
L₂ = length of inner diameter
For the given shaft, L₁ + L₂ = L
Let L₁ = L₀D₀ = D = 80 mm
Dᵢ = d = 35 mm
So, L₂ = L - L₁= 0.3 - L₀...(1)
For the given crank-throw, q₁ = (π/32) (D⁴ - d⁴) / L, where D = 80 mm and d = 80 mm
Hence, q₁ = (π/32) (80⁴ - 35⁴) / L
Therefore, q₁ = (π/32) (80⁴ - 35⁴) / L₀...(2)
From the formula for natural frequency of torsional vibration, f = (1/2π) [(K/L) (J/GD)]^(1/2)
Substituting the values of K, J, G, D and L from above, f = (1/2π) [(2.5 × 10⁴ Nm/rad) / (L₀) ((π/32) (80⁴ - 35⁴) / (83000 N/mm² (80 mm)³))]^(1/2)f = (1/2π) [(2.5 × 10⁴ Nm/rad) / (L₀) (18.12)]^(1/2)f = 25.7 / L₀^(1/2)...(3)
Now, if we assume that the air-screw mass is infinite, then the moment of inertia of the air-screw is infinite.
Therefore, the formula for natural frequency of torsional vibration in this case is:
f = (1/2π) [(K/L) (J/GD)]^(1/2)Substituting I = ∞ in the above formula, we get:
f = (1/2π) [(K/L) (J/GD + J/∞)]^(1/2)f = (1/2π) [(K/L) (J/GD)]^(1/2)f = 25.7 / L₀^(1/2)
So, in this case also the frequency is the same.
Therefore, the percentage change in frequency is 0%.Hence, the natural frequency of torsional vibration of the custen is given by f = 25.7 / L₀^(1/2) and the percentage change in frequency is 0%.
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Let E be the event that a five card poker hand contains at least one 7 and at least one 8, and let F be the event that a five card poker hand is a straight. (A straight consists of five consecutive ranks, with the lowest straight being A-2-3-4-5 and the highest straight being 10-J-Q-K-A. For this problem, a straight flush and a royal flush are both considered straights.)
To determine the relationship between events E and F, let's analyze their properties. Therefore, event E and event F are neither mutually exclusive nor independent.
Event E: A five-card poker hand contains at least one 7 and at least one 8.
Event F: A five-card poker hand is a straight.
We need to determine if these two events are mutually exclusive, independent, or neither.
Mutually Exclusive: Two events are mutually exclusive if they cannot occur simultaneously. In this case, it is not possible for event E (containing at least one 7 and at least one 8) to be mutually exclusive with event F (a straight) because it is possible for a hand to satisfy both conditions. For example, a hand with the cards 7-8-9-10-J would fulfill both event E and event F.
Independent: Two events are independent if the occurrence or non-occurrence of one event does not affect the probability of the other event. In this case, event E (containing at least one 7 and at least one 8) and event F (a straight) are not independent. The presence of a 7 or an 8 in a hand affects the likelihood of it being a straight, as those cards may disrupt the sequence required for a straight.
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Find the distance from the point (3. D, 3} to the plane 53 + 1h; — 1.2 = 4.
The distance from the point (3, D, 3) to the plane 5x + y - 1.2z = 4 is approximately 1.64 units.
The question asks us to find the distance from the point (3, D, 3) to the plane 5x + y - 1.2z = 4.
To find the distance, we can use the formula for the distance between a point and a plane.
1. First, let's identify the values of x, y, and z in the equation of the plane.
In this case, x = 5, y = 1, and z = -1.2.
2. Next, substitute the coordinates of the point (3, D, 3) into the equation of the plane.
The equation becomes: 5(3) + 1(D) - 1.2(3) = 4.
Simplifying, we get: 15 + D - 3.6 = 4.
3. Rearrange the equation to solve for D: D = 4 - 15 + 3.6 = -7.4.
4. Now that we have the value of D, we can find the distance from the point to the plane using the formula:
distance = |Ax + By + Cz + D| / \(\sqrt{(A^2 + B^2 + C^2).}\)
Plugging in the values, we get:
distance = |5(3) + 1(-7.4) - 1.2(3) + 4| / \(\sqrt{(5^2 + 1^2 + (-1.2)^2).}\)
Simplifying, we have: distance = |15 - 7.4 - 3.6 + 4| / \(\sqrt{(25 + 1 + 1.44).}\)
distance = |8.6| / \(\sqrt{(27.44).}\)
distance = 8.6 / 5.24.
distance ≈ 1.64.
Therefore, the distance from the point (3, D, 3) to the plane 5x + y - 1.2z = 4 is approximately 1.64 units.
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Convert the decimal, 2.55, into an improper fraction
Answer:2.55 in fraction form is 51/20.
Step-by-step explanation:
25/26 to the hundredth’s placed??
Evaluate: -3x3y2 for r = (-2) and y=(1/2)
O 6
O-4
O 18
0 -18
Answer:
18
Step-by-step explanation:
18 because -3×(-2)=6
6×3=18
Write the equation of a circle centered at (-2,-8) with a diameter of 8.
Answer:
(x + 2)² + (y + 8)² = 16
Step-by-step explanation:
the equation of a circle in standard form is
(x - h)² + (y - k)² = r²
where (h, k ) are the coordinates of the centre and r is the radius
here (h, k ) = (- 2, - 8 ) and r = diameter ÷ 2 = 8 ÷ 2 = 4 , then
(x - (- 2) )² + (y - (- 8) )² = 4² , that is
(x + 2)² + (y + 8)² = 16
Is acrylic a positive or negative fiber? Explain why.
Is acetate a positive or negative fiber? Explain why.
Acrylic is a negative fiber, while acetate is a positive fiber. Acetate, on the other hand, is a positively charged fiber.
Acrylic is a synthetic fiber made from the polymerization of acrylonitrile monomer. It is often used as a substitute for wool because of its warmth and softness.
Acrylic is also resistant to sunlight, mildew, and insects, which makes it a popular choice for outdoor fabrics and carpets. Acrylic is a negatively charged fiber because of the negatively charged nitrile group in its chemical makeup.
This negative charge causes acrylic to be attracted to positively charged surfaces. This makes acrylic easy to dye, as positively charged dye molecules are attracted to the negatively charged acrylic fiber.
Acetate is a synthetic fiber made from cellulose ester. It is often used as a substitute for silk because of its luster and softness. Acetate is also resistant to wrinkles, shrinking, and mildew, which makes it a popular choice for clothing and upholstery.
Acetate is a positively charged fiber because of the positively charged ester groups in its chemical makeup. This positive charge causes acetate to be attracted to negatively charged surfaces. This makes acetate easy to dye, as negatively charged dye molecules are attracted to the positively charged acetate fiber
Acrylic and acetate are both synthetic fibers used in a variety of applications. Acrylic is a negatively charged fiber, while acetate is a positively charged fiber. This is because of the chemical makeup of each fiber, with acrylic containing a negatively charged nitrile group and acetate containing positively charged ester groups. These charges cause the fibers to be attracted to oppositely charged surfaces, which affects their properties and how they are dyed.
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simplify the expression -6 - 6F + 7 - 3f - 9
If your client completed a barbell back squat of 109lb for 5 repetitions (the 6th repetition could not be performed). What would be their predicted/estimated 1RM (in lbs) for the barbell back squat exercise when using the %1RM to number of repetitions table in the lecture?
Round your final answer to the nearest whole number and DO NOT include units
Using the %1RM to number of repetitions table, your client's estimated 1RM for the barbell back squat exercise would be 125 lbs, rounded to the nearest whole number.
To estimate the predicted 1RM (one repetition maximum) for the barbell back squat exercise, we can use the %1RM to number of repetitions table from the lecture. According to the table, performing 5 repetitions corresponds to 87% of the 1RM.
To find the estimated 1RM, we can use the following formula:
1RM = weight lifted / %1RM
Plugging in the values from the question:
1RM = 109lb / 0.87
1RM = 125.287lb
Rounding to the nearest whole number, the estimated 1RM for the barbell back squat exercise is 125lb.
Therefore, the answer is 125.
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a study is being done to test the effects of habitat space on the size of fish populations. four aquariums of of the same size are set up with six goldfish in each one. over a period of six months, the fish are fed the same type and amount of food. the aquariums are equally maintained and cleaned throughout the experiment. the temperature of the water is kept different in each tank. at the end of the experiment the number of surviving fish are surveyed. what is the independent variable?
The independent variable in this study is the temperature of the water in each tank. The independent variable is the factor that is intentionally manipulated or changed by the researcher in order to observe its effect on the dependent variable. In this case, the researcher is testing the effects of habitat space on the size of fish populations, and they are manipulating the temperature of the water to see how it impacts the survival of the goldfish.
The researcher sets up four aquariums of the same size with six goldfish in each one. The independent variable, temperature, is kept different in each tank. This means that each tank is maintained at a different temperature throughout the experiment.
By manipulating the temperature in each tank, the researcher can observe how the different temperature conditions affect the survival of the goldfish. This allows them to determine whether the size of the fish populations is influenced by habitat space, as measured by the temperature of the water.
To summarize, in this study, the independent variable is the temperature of the water in each tank. The researcher is manipulating the temperature to observe its effect on the survival of the goldfish and determine the impact of habitat space on fish populations.
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