Cyphon, this is the solution:
We have to multiply the following fractions:
7/12 * 4/3
7 * 4 / 12 * 3
28/36
Simplifying, we have:
7/9 (Dividing by 4 numerator and denominator)
We have to add the following fractions:
- 1/2 + 4/9
Let's find the lowest common denominator between 2 and 9, as follows:
2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22
9, 18, 27, 36
The lowest common denominator is 18
Find an equation of the tangent plane to the surface represented by the vector-valued function at the given point.
r(u,v) = ui + vj + √(uv)k (1,1,1)
The equation of the tangent plane to the surface represented by the vector-valued function at the point (1,1,1) is x - 2y - 2z + 1 = 0.
To find the equation of the tangent plane, we need to find the partial derivatives of the vector-valued function with respect to u and v, and evaluate them at the given point (1,1,1):
r(u,v) = ui + vj + √(uv)k
∂r/∂u = i + (1/2√(uv))k
∂r/∂v = j + (1/2√(uv))k
Now we evaluate these partial derivatives at the point (1,1,1):
∂r/∂u(1,1) = i + (1/2)k
∂r/∂v(1,1) = j + (1/2)k
The normal vector to the tangent plane is the cross product of these partial derivatives:
n = ∂r/∂u × ∂r/∂v = i × j + (1/2)i × k + (1/2)j × k = -k + (1/2)i + (1/2)j
So the equation of the tangent plane at the point (1,1,1) is:
-k + (1/2)i + (1/2)j = -(x-1) + (1/2)(y-1) + (1/2)(z-1)
Simplifying, we get:
x - 2y - 2z + 1 = 0
Therefore, the equation of the tangent plane to the surface represented by the vector-valued function at the point (1,1,1) is x - 2y - 2z + 1 = 0.
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A potter is designing a large ceramic planter to grow herbs in. He wants to spin it on his potter’s wheel and fire it in his kiln. Before he begins, he needs to determine the dimensions of his pot so that he knows it will have enough volume to hold a bag of potting soil. The potter has drawn a 2-D view of the planter. Assume the base of the pot has a radius of 7 inches in all directions.
The volume of the pot is = 731.2 cubic inches.
What is volume?Each thing in three dimensions takes up some space. The volume of this area is what is being measured.
The space occupied within an object's borders in three dimensions is referred to as its volume.
It is sometimes referred to as the object's capacity.
Finding an object's volume can help us calculate the quantity needed to fill it, such as the volume of water needed to fill a bottle, aquarium, or water tank.
Since the forms of various three-dimensional objects vary, so do their volumes.
According to our answer-
volume of a pot is = πr²h + 2πr³
22/7 * 698/3
731.2 cubic inches
Hence, The volume of the pot is = 731.2 cubic inches.
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a factor in an anova test describes the cause of the variation in the data. TRue or false
In the ANOVA test, factors don't directly explain variation, levels don't account for external variation, and the blocking factor's significance should be considered despite a significant main factor for accurate interpretation.
1. A factor in an ANOVA test that does not necessarily describe the cause of the variation in the data is False. A factor represents a categorical variable or an independent variable that is believed to have an effect on the dependent variable. It is used to explain the observed differences among groups or treatments, but it does not directly explain the cause of the variation.
2. A level in an ANOVA test does not account for the variation outside of the main factor is False. A level refers to the different values or categories within a factor. It represents the specific groups or treatments being compared within a factor.
Levels do not account for variation outside of the main factor; rather, they help analyze the variation within the factor and assess the differences between the levels.
3. The significance of the blocking factor is still important even if the main factor is statistically significant in a randomized block ANOVA is False. A blocking factor is included to account for potential sources of variation that are not of primary interest but might affect the outcome variable.
It helps control for confounding variables or other sources of variation, and its significance should be considered in interpreting the results accurately. Both the main factor and the blocking factor need to be evaluated to understand the overall significance and impact of different factors on the outcome variable.
Therefore, all the answers are false.
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Note: The question would be as
1. A Factor In An ANOVA Test Describes The Cause Of The Variation In The Data. True Or False?
2. A Level In An ANOVA Test Accounts For The Variation Outside Of The Main Factor. True Or False?
3. As Long As The Main Factor Is Statistically Significant With Randomized Block ANOVA, There Is No Concern About The Significance Of The Blocking Factor. True
The difference between 5 thousands and 4thousends is
Answer:
5000-4000=1000
Step-by-step explanation:
you subtract to get your answer
What is ecs122b z algorithm code
The Z algorithm is a linear-time string-matching algorithm that is used to find all occurrences of a pattern in a text. It can be implemented in various programming languages, including C++, Python, and Java. Here's an example of the Z algorithm implemented in C++:
CODE IS AS FOLLOWS:
#include <iostream>
#include <vector>
using namespace std;
vector<int> Z_algorithm(string str) {
int n = str.size();
vector<int> Z(n);
Z[0] = n;
int l = 0, r = 0;
for (int i = 1; i < n; i++) {
if (i > r) {
l = r = i;
while (r < n && str[r - l] == str[r]) r++;
Z[i] = r - l;
r--;
} else {
int k = i - l;
if (Z[k] < r - i + 1) Z[i] = Z[k];
else {
l = i;
while (r < n && str[r - l] == str[r]) r++;
Z[i] = r - l;
r--;
}
}
}
return Z;
}
int main() {
string str;
cin >> str;
vector<int> Z = Z_algorithm(str);
for (int i = 0; i < Z.size(); i++) cout << Z[i] << " ";
return 0;
}
This code takes a string str as input, and returns an array Z of integers, where each Z[i] represents the length of the longest common prefix of str and str[i...n-1]. The code uses the Z algorithm to compute the Z array in linear time.
Therefore, The Z algorithm is a linear-time string-matching algorithm that is used to find all occurrences of a pattern in a text. It can be implemented in various programming languages, including C++, Python, and Java.
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Given the following piecewise function, evaluate limx→−1f(x).
f(x)=
2x^2−3x−2 if x is less than or equal to -1
−x^2+2x+1 if -1
−2x^2−x−1 if x>2
The solution of the expression will be 3, -2, and -22 respectively.
What is an expression?The mathematical expression combines numerical variables and operations denoted by addition, subtraction, multiplication, and division signs.
Mathematical symbols can be used to represent numbers (constants), variables, operations, functions, brackets, punctuation, and grouping. They can also denote the logical syntax's operation order and other properties.
Given that the expressions are:-
2x²−3x−2 if x is less than or equal to -1
E = 2x²−3x−2
E = 2 (-1) ² - 3 x -1 -2
E = 2 + 3 - 2
E = 3
E = −x²+2x+1 if -1
E = -(-1)² + 2 x -1 + 1
E = -1 - 2 + 1
E = -2
E = −2x²−x−1
E = -2 ( 3 )² - 3 - 1
E = -18 - 3 - 1
E = -22
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Escribe una ecuación que represente la gráfica.
PLEASE what is 2 + 2?!?!?
Answer:
4
Step-by-step explanation:
2 + 2 = 4
you have two and you add 2
you get 4
Hope this helps!
solve the proportion x-4/6=x/8
The solution to the proportion is x = 16.
We have,
To solve the proportion (x - 4)/6 = x/8, cross-multiply and then solve for x.
Cross-multiplying gives:
8(x - 4) = 6x
Now, distribute the 8 on the left side:
8x - 32 = 6x
Next, isolate the x term by subtracting 6x from both sides:
8x - 6x - 32 = 6x - 6x
2x - 32 = 0
Finally, add 32 to both sides to solve for x:
2x - 32 + 32 = 0 + 32
2x = 32
Divide both sides by 2:
(2x)/2 = 32/2
x = 16
Therefore,
The solution to the proportion is x = 16.
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Pls help me on this someone pls
Answer: 9/10
=======================================================
Explanation:
Imagine a pizza split into 5 equal slices. Then imagine that you split each slice in half. This means we now have 5*2 = 10 slices.
Eating 3 out of the original 5 is equivalent to eating 6 smaller slices out of the now 10 total.
In other words: The fraction 3/5 is the same as 6/10
Put another way: Multiply top and bottom of 3/5 by 2 to get 6/10.
---------------
Gary painted 3/10 of the fence in the morning, and then 3/5 of it in the afternoon. We can replace the "3/5" with "6/10".
3/10 in the morning6/10 in the afternoon3/10 + 6/10 = (3+6)/10 = 9/10 total
Going back to the pizza scenario, we can imagine 3/10 as eating 3 slices out of 10 total. Then 6/10 adds 6 more slices to get 3+6 = 9 slices total. That's how we end up with 9/10 as the answer.
A cost that changes in total as output changes is a variable cost. a. True b. False
Answer:
a. True
Step-by-step explanation:
a. True
A cost that changes in total as output changes is indeed a variable cost. Variable costs are expenses that vary in direct proportion to the level of production or business activity. As output increases, variable costs increase, and as output decreases, variable costs decrease. Examples of variable costs include direct labor, raw materials, and sales commissions.
A company claims that the mean weight per apple they ship is 120 grams with a standard deviation of 12 grams. Data generated from a sample of 49 apples randomly selected from a shipment indicated a mean weight of 122. 5 grams per apple. Calculate and interpret a 95% confidence interval for the mean weight per apple.
The 95% confidence interval for the mean weight per apple is calculated and the p value foe that particular interval is 0.1447
There is not sufficient evidence to reject the company's claim.
Z Test of Hypothesis for the Mean
Data
Null Hypothesis m =120
Level of Significance 0.05
Population Standard Deviation 12
Sample Size 49
Sample Mean 122.5
Intermediate Calculations
Standard Error of the Mean 1.7143
Z Test Statistic 1.4583
Two-Tail Test
Lower Critical Value -1.9600
Upper Critical Value 1.9600
p-Value 0.1447
Do not reject the null hypothesis
Hence, the p value foe that particular interval is 0.1447
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(A U B) U (A n B)
A= {1,3,7,9,10}
B={2,5,7,8,9,10}
Answer:
(A U B) = {1,2,3,5,7,8,9,10}
(A n B)= {7,9,10}
(A U B) U (A n B) = {1,2,3,5,7,8,9,10}
Step-by-step explanation:
Find the value of z
Answer:
z = 9 I think
Step-by-step explanation:
Because I did the quiz
the ratio of boys to girls in the class is 4:5. if there is a total of 27 students, how many more girls than boys are in the class?
Answer:
3 more girls than boys.
Step-by-step explanation:
Let's change 4:5 to 4x(boys) and 5x(girls).
Since there are 27 students, the equation would be:
4x+5x=27
Then, you simplify the equation:
9x=27
x=3
We are not finished yet!
Since there is 4x boys and 5x girls,
do 4 times 3 which gets you 12 boys
and 5 times 3 which gets you 15 girls.
15 girls minus 12 boys is 3 more girls than boys!
Hope this helps :)
what’s the area of this figure, rounded to the nearest tenth?
Answer:
198 in²
Step-by-step explanation:
triangle (A=1/2)bh [A=1/2(22×8)] b=22 H=8
rectangle (A=bh) [A= 22×5] B=22 H=5
triangle = 88
rectangle = 110
So, 88+110 = 198
The graph of f(x) and g(x) are shown below. How many solutions does the system of equations have?
Click pic to see whole problem
Answer:
Step-by-step explanation:
Solving systems of equations gives the points of intersection when the equations are graphed.
The answer is 3.
2. Suppose X has the standard normal distribution, and let y = x2/2. Then show that Y has the Chi-Squared distribution with v = 1. Hint: First calculate the cdf of Y, then differentiate it to get the it's pdf. You will have to use the following identity: d dy {List pb(y) f(x)da f(b(y))-(y) - f(a(y)) .d(y).
Yes, Y follows a Chi-Squared distribution with v = 1.
Is it true that Y has the Chi-Squared distribution with v = 1?
The main answer is that Y indeed has the Chi-Squared distribution with v = 1.
To explain further:
Let's start by finding the cumulative distribution function (CDF) of Y. We have Y = \(X^2^/^2\), where X follows the standard normal distribution.
The CDF of Y can be calculated as follows:
F_Y(y) = P(Y ≤ y) = P(\(X^2^/^2\) ≤ y) = P(X ≤ √(2y)) = Φ(√(2y)),
where Φ represents the CDF of the standard normal distribution.
Next, we differentiate the CDF of Y to obtain the probability density function (PDF) of Y. Applying the chain rule, we have:
f_Y(y) = d/dy [Φ(√(2y))] = Φ'(√(2y)) * (d√(2y)/dy).
Using the identity d/dx [Φ(x)] = φ(x), where φ(x) is the standard normal PDF, we can write:
f_Y(y) = φ(√(2y)) * (d√(2y)/dy) = φ(√(2y)) * (1/√(2y)).
Now, we recognize that φ(√(2y)) is the PDF of the Chi-Squared distribution with v = 1. Therefore, we can conclude that Y has the Chi-Squared distribution with v = 1.
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Help, will rate brainlist if correct!!
y = x4 - 5x2
A.) What is the y-intercept of this graph? How do you know? (1 point)
B.) What are the x-intercepts/roots/zeros? Show your work. (4 points)
C.) Describe the end behavior of this function (2 points)
D.) Draw a graph of this function, carefully labeling your intercepts and showing the end behavior.
A. The y-intercept is at the point (0, 0).
B. The zeros are x = 0 or x = ±√5
C.
How to solve the expressionA) The y-intercept of this graph is the point where x = 0.
When x = 0, the value of y
= 0^4 - 5*0^2
= 0.
Therefore, the y-intercept is at the point (0, 0).
B) The x-intercepts/roots of the function are the values of x that make y = 0.
To find these values, we need to set y = 0 and solve for x:
x⁴ - 5x² = 0
x⁴ = 5x²
x² = x⁴/5
x = ±√(x⁴/5)
We can simplify this expression by factoring x² out of both sides:
x²(x² - 5) = 0
x² = 0 or x² - 5 = 0
x = 0 or x = ±√5
hence the x-intercepts are at x = 0 and x = ±√5.
C) The end behavior of this function refers to how the graph of the function approaches the x-axis as x approaches positive infinity and negative infinity.
x → ∞ f(x) → ∞
x → -∞ f(x) → -∞
D) The graph is attached
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For the inequality, find TWO values for x that make the inequality true: 5x<2
A.-2
B.3
C.-5
D.-6
E. 5
Answer:
a and c
Step-by-step explanation:
5(-2)<2
-10<2
5(-5)<2
-25<2
Exponential Model: Recall the general exponential functionLaTeX: y=C\cdot b^ty=C⋅bt, where C and b are positive numbers. Which of the following conditions represents exponential growth?
When b is less than 1.
When b is greater than 1.
When b is equal to 1.
When b is any positive number.
Answer :Exponential growth occurs when the base of an exponential function (b) is greater than 1 and the exponent (t) is positive.
Explanation :An exponential function is a mathematical function of the form y = Cbt, where b > 0 and b ≠ 1. When b > 1, the function is said to model exponential growth, while when 0 < b < 1, the function models exponential decay. Thus, exponential growth occurs when the base of an exponential function (b) is greater than 1 and the exponent (t) is positive. When b is any positive number, it may not necessarily result in exponential growth as it may lead to exponential decay or constant value as well.
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Please help me please I really need help
Answer:
See below
Step-by-step explanation:
The answer is attached
A fire hydrant with a blue cap provides water at a rate of 1,500 gallons per minute. A fire hydrant with a green cap provides water at a rate of 1,000 gallons per minute. A fire hydrant with a purple cap provides water at half the rate of a fire hydrant with a green cap..Which equation relates the flow of water from the blue hydrant, b, to the flow from the green hydrant, g.
Answer: 2b = 3g
Step-by-step explanation:
This is quite basic to solve, below is a Step by step explanation:
from the given question we have that;
A fire hydrant with a blue cap provides water at a rate of 1,500 gallons per minute.i.e b = 1500 gallons per minute
A fire hydrant with a green cap provides water at a rate of 1,000 gallons per minute.g = 1000 gallons per minute.
Our questions tells us to write the equation which relates the flow of water from the blue hydrant, b, to the flow from the green hydrant, g.
ANS:
Since flow from blue hydrant b = 1500 gallons per minute, we have that
b = 3 * 500
b = 3 * 1000/2 g
b = 3/2 g
equation gives 2b = 2g
cheers i hope this helped !!
HEY GUYSS PLEASE HELP I REALLY NEED THIS HEPP AND I NEED TO SHOW WORK I will mark brainliest
Answer:
like terms
1.-2x-p+7z
2.7m+5n-3
3.6t+2+3s
Distribute and simplify
1.-24t-30x-12+3x
-24t-27x-12
2.10x+15y+35-5x-3y
5x+12y+35
3.24x-12-2x
22x-12
Answer:
points for points
Step-by-step explanation:
aint gotta explain $ hit.
Keith leaves a 15% for a dinner bill of $25. What amount of tip does Keith leave? $ What is the total bill? $
Answer: See explanation
Step-by-step explanation:
From the question, we are informed that Keith leaves a 15% for a dinner bill of $25. The amount of tip that Keith leaves will be calculated by multiplying 15% by $25. This will be:
= 15% × $25
= 15/100 × $25
= 0.15 × $25
= $3.75
Keith's total bill will be gotten by adding the dinner bill plus the tip together. This will be:
= $25 + $3.75
= $28.75
A right circular cylinder has a height of 20 1/2 ft and a diameter 1 1/5 times its height.
What is the volume of the cylinder?
Enter your answer as a decimal in the box. Use 3.14 for pi and round only your final answer to the nearest hundredth.
ft3
The volume of the cylnder is 9,728.5 ft³
How to find the volume of the cylinder?For a cylinder of radius R and height H, the volume is given by:
V = pi*R^2*H
Where pi = 3.14
Here we know that the height is.
H = (20 + 1/2) ft = 20.5 ft
And the diameter is (1 + 1/5) times the height, then:
D = (1 + 1/5)*(20 + 1/2) ft = (1.2)*(20.5)ft = 24.6ft
And the radius is half of that, so:
R = 12.3ft
Then the volume is:
V = 3.14*(12.3ft)^2*20.5ft = 9,728.5 ft³
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X is less than or equal to -1/2. Can -1/2 be a solution for x? Explain.
Answer:
yes because it can be equal to it
Find the measure of ∠DBF (HURRY ASAP)
Answer:
This graph is kind of funky, but it should be 70
Step-by-step explanation:
23+47=70
Please mark Brainliest!!!
Answer:
70
Step-by-step explanation:
Suppose f(x) = - 3x² + 9x − 2. Compute the following:
A.) ƒ( − 2) + f(1) =
B.) ƒ( − 2) – ƒ(1) =
Step-by-step explanation:
\( f(x) = - 3 {x}^{2} + 9x - 2\)
A) f(-2) + f(1) = -32 + 4 = -28
B) f(-2) - f(1) = -32 - 4 = -36
Calculate the area of the square.4 in^28 in^216 in^232 in^2
Answer: The answer is sixteen.
Explanation: The area of any square would be equal to \(S^{2}\) or lw = a. (Length x width = area). The area could also be found with A = \(S^{1} x\) \(S^{2}\).
Side 1 = 4 Side 2 = 4
4 x 4 = 16.