Answer:
4/7 has least common denominator
= 0.5( approx.)
Answer:
21 is the answers for the question
Step-by-step explanation:
please mark me as brainlest
Which tiles should be added to the model below to make zero? 6 negative tiles. 6 negative tiles 6 positive tiles 3 negative tiles and 3 positive tiles 6 negative tiles and 6 positive tiles
Answer:
Step-by-step explanation:
-6+6=0 -3+3=0
This is because the signs are different so you count back starting with the negatives.
-6,-5,-4,-3,-2,-1,0
Answer:
B) 6 positive tiles
Step-by-step explanation:
Given 0 < t < 3, f(t): t, t≥ 3. Use the definition of Laplace transform to find L {f(t)}. Find the Laplace transform of the following functions 1 a) f(t) = sin²=t ²¹/t b) f(t) = e-2t cos 2t Find Laplace inverse for 3 4. (s-3)²-3 = F(s) = = 3, I
(a) Using the definition of the Laplace transform, we have L{f(t)} = ∫[0,∞] e^(-st) * (sin²(t) / t) dt.
(b) Similarly, for f(t) = e^(-2t) * cos(2t), the Laplace transform is given by L{f(t)} = ∫[0,∞] e^(-(s+2)t) * cos(2t) dt.
(c) The Laplace inverse of F(s) = (s-3)² - 3 = 3 cannot be determined without additional information or constraints on the function.
(a) To find the Laplace transform of f(t) = sin²(t) / t, we can use the definition of the Laplace transform. The Laplace transform of a function f(t) is given by L{f(t)} = ∫[0,∞] e^(-st) * f(t) dt.
For the given function, we have f(t) = sin²(t) / t. Plugging this into the Laplace transform definition, we get:
L{f(t)} = ∫[0,∞] e^(-st) * (sin²(t) / t) dt.
Unfortunately, the integral of this function does not have a simple closed-form solution. However, it can be expressed using special functions such as the exponential integral or sine integral functions.
(b) To find the Laplace transform of f(t) = e^(-2t) * cos(2t), we can again use the definition of the Laplace transform. Plugging in the function, we get:
L{f(t)} = ∫[0,∞] e^(-st) * (e^(-2t) * cos(2t)) dt.
Simplifying the expression, we have:
L{f(t)} = ∫[0,∞] e^(-(s+2)t) * cos(2t) dt.
This integral can be evaluated using integration techniques, such as integration by parts or complex integration methods, to obtain the Laplace transform of f(t).
(c) To find the Laplace inverse of F(s) = (s-3)² - 3 = 3, we can apply the inverse Laplace transform. The Laplace inverse transform of F(s) is denoted by L^{-1}{F(s)}.
Using the properties of Laplace transforms and inverse transforms, we can simplify the expression F(s) = (s-3)² - 3 to obtain the inverse transform. However, without additional information or constraints on the function, it is not possible to determine the exact Laplace inverse transform in this case.
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plzz helpppp.........
Answer:
B) Unequal
Step-by-step explanation:
yun po yung sagot
p follow po at pa rate at heart
3. Use these properties to rewrite 7/4 + 1/2 + 5/3+1/3+1/4 + 1/2 in a way that makes the addition easier. Explain how your changes simplify the addition. (3 points)
The solution of the sum of the numbers will be 5.
How to do summation?To make the addition easier, we can first simplify the fractions by finding a common denominator. The smallest common multiple of 2, 3, and 4 is 12. We can rewrite the fractions with this denominator:
7/4 = (7/4) x (3/3) = 21/12
1/2 = (1/2) x (6/6) = 6/12
5/3 = (5/3) x (4/4) = 20/12
1/3 = (1/3) x (4/4) = 4/12
1/4 = (1/4) x (3/3) = 3/12
1/2 = (1/2) x (6/6) = 6/12
Now we can add the fractions together:
21/12 + 6/12 + 20/12 + 4/12 + 3/12 + 6/12
Combining like terms, we get:
60/12 = 5
So the sum of the original fractions is equal to 5.
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The main purpose of descriptive statistics is to Multiple Choice summarize data in a useful and informative manner. make inferences about a population. determine if the data adequately represent the population. gather or collect data.
Descriptive statistics are used to summarize data in a useful and informative manner.
What is Statistics?This type of statistics provides meaningful information about the data set by organizing and presenting it in an easily understandable format. Descriptive statistics can be used to summarize the data in the form of tables, graphs, and charts. It can also be used to provide detailed information about the data set, such as the mean, median, mode, standard deviation, and range.
Descriptive statistics can also be used to make inferences about a population. This is done by comparing the data collected from a sample to the characteristics of the population. By understanding the characteristics of the population, researchers can make accurate predictions about the behavior of the population.
Descriptive statistics can also be used to determine if the data adequately represent the population. This involves analyzing the sample size, data accuracy, and the assumptions made about the population. If the data does not accurately represent the population, then researchers have to make changes to their data collection process or revise their assumptions about the population.
Finally, descriptive statistics can be used to gather or collect data. This involves designing surveys, experiments, and other data collection methods. By using descriptive statistics to collect data, researchers can ensure that the data is valid and reliable.
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you have a bag of 10 marbles. three of them are red ,five are blue, and two are green.what is the probability of not picking a green marble out of the randomly
Answer:
Not probabillity of picking a green marble is 80%
Step-by-step explanation:
Answer:
.80 or 4/5
Step-by-step explanation:
Probability is all about figuring out what you are or not going to get.
One good trick of figuring this out is taking what you don't want, (here its green marbles) take them out, then add all the marbles (G,B,R) and divide. Here you are dividing 8 by 10 which comes out to .80
The only other thing to do is simplify if needed. .80 turns into 8/10 and the only thing that 8 and 10 are divisible by is 2 so it would turn into 4/5
Hope this info can help ;)
Let R be an equivalence class on S ={1,2,3,4,5} having the following properties: 1€ [4] [5], b) 2 € [4] [5] c) 3 € [2] a. What is R? b. How many distinct equivalence classes does R have? List them.
R is an equivalence relation on S = {1, 2, 3, 4, 5}, with two distinct equivalence classes: [1, 2, 4, 5] and [3]. Each equivalence class is uniquely determined by an element of S.
To determine what R is, we can use the properties provided:
- Property 1 states that 1 is in the same equivalence class as 4 and 5. So we know that 1, 4, and 5 are related to each other in some way.
- Property 2 states that 2 is also in the same equivalence class as 4 and 5. So we know that 2, 4, and 5 are related to each other in the same way as 1, 4, and 5.
- Property 3 states that 3 is in the same equivalence class as 2. So we can infer that 3 is also related to 4 and 5 in the same way as 1, 4, and 5, since 2 is related to 4 and 5 in that way.
Putting all of this together, we can say that R is the equivalence class containing the elements {1, 2, 3, 4, 5}, since all of these elements are related to each other under the same equivalence relation.
As for the number of distinct equivalence classes that R has, we can use the fact that each equivalence class is defined by a unique element in the set S. Since S has five elements, there can be at most five distinct equivalence classes. However, since we know that 1, 2, and 3 are all related to each other (and to 4 and 5), we can see that there are only two distinct equivalence classes in R:
- {[1, 2, 3, 4, 5]} (which we already identified as R itself)
- {[]} (the empty set, since no other element in S is related to any of the elements in R)
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Find the value of x that makes m||n. (7x - 23) (11x + 23)
(7x - 23)° + (11x + 23)° = 180°
7x - 23° + 11x + 23° = 180°
18x = 180° / : 18
x = 10°
what happens to an inequality sign when the inequality is multiplied or divided by a negative number
When an inequality is multiplied or divided by a negative number, the inequality sign will flip, meaning it will change its direction. For example, if you have a > b and you multiply or divide both sides by a negative number, the inequality will become a < b. This is because the relationship between the values reverses when multiplied or divided by a negative number.
Explanation:
When an inequality is multiplied or divided by a negative number, the direction of the inequality sign is flipped. This is because multiplication or division by a negative number, results in a reversal of the order of the numbers on the number line.
To see why this happens, consider the following example:
Suppose we have the inequality x < 5. If we multiply both sides of this inequality by -1, we get -x > -5. Notice that we have flipped the inequality sign from "<" to ">". This is because multiplying by -1 changes the sign of x to its opposite, and also changes the sign of 5 to its opposite, resulting in a reversal of the order of the numbers on the number line.
Similarly, if we divide both sides of the inequality x > 3 by -2, we get (-1/2)x < (-3/2). Here, we have again flipped the inequality sign from ">" to "<". This is because dividing by a negative number also changes the order of the numbers on the number line.
In general, if we have an inequality of the form a < b or a > b, where a and b are real numbers, and we multiply or divide both sides by a negative number, we obtain:
If we multiply by a negative number, the inequality sign is flipped. For example, if a < b and c < 0, then ac > bc.
If we divide by a negative number, the inequality sign is also flipped. For example, if a > b and c < 0, then a/c < b/c.
Therefore, it is important to be mindful of the signs of the numbers involved when performing operations on inequalities. If we multiply or divide by a negative number, we must flip the direction of the inequality sign accordingly.
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Which of these is a reason an engineer may choose to use a prefabricated building component?
Answer: She wants to reduce costs
Step-by-step explanation:
Answer:
She wants the construction to move more quickly
Step-by-step explanation:
this was the correct answer as shown on the quiz. the choices were changed
can you pls help me, i need it
according to the topic
5000+1400+1700+2200-5000×80%+1200
=55300-4000+1200
=$52500
Thus we choose option B
B.$52,500
Dennis drew the line of best fit on the scatter plot shown below:
What is the approximate equation of this line of best fit in slope-intercept form?
y = −15x + 2/3
y = -2/3 x + 15
y = −15x + 3/2
y = -3/2 x + 15
Answer:
4th option
Step-by-step explanation:
the equation of a line in slope- intercept form is
y = mx + c ( m is the slope and c the y- intercept )
calculate m using the slope formula
m = \(\frac{y_{2}-y_{1} }{x_{2}-x_{1} }\)
with (x₁, y₁ ) = (2, 12) and (x₂, y₂ ) = (6, 6) ← 2 points on the line
m = \(\frac{6-12}{6-2}\) = \(\frac{-6}{4}\) = - \(\frac{3}{2}\)
the line crosses the y- axis at (0, 15 ) ⇒ c = 15
y = - \(\frac{3}{2}\) x + 15 ← approximate equation of line of best fit
5. (a) (x + 2y)(-3)
Answer:
- 3x - 6y
Step-by-step explanation:
Given
(x + 2y)(- 3) ← multiply each term in the parenthesis by - 3
= - 3x - 6y
Melanie and noah are baking a birthday cake for franceca. The recipe call for 3/4 meauring cup and noah ha a 1/8 meauring cup. Which cup hould they ue
They should use 6 cup of Noah's measuring cup
What are algebraic operations?They are the set of numbers and symbols that are related by the different mathematical operation signs such as addition, subtraction, multiplication, division among others.
To solve this problem we must perform the following algebraic operations with the given information
Information about the problem:
Recipe call = 3/4Noah's cup = 1/8Number of cup = ?Calculating the number of cup the should use:
Number of cup = Recipe call / Noah's cup
Number of cup = (3/4) / (1/8)
Number of cup = 3*8 / 4*1
Number of cup = 24/4
Number of cup = 6
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Correctly written question:
Melanie and Noah are baking a birthday cake for Francesca. The recipe call for 3/4 measuring cup and Noah has a 1/8 measuring cup. Which cup should they use?
The probability that Paul wins a raffle is given by the expression n/n+6. Write down an expression, in the form of a combined single fraction, for the probability that Paul does not win.
Answer:
\(P(W') = \frac{6}{n+6}\)
Step-by-step explanation:
Let P(W) represents the probability that Paul wins
Let P(W') represents the probability that Paul does not win
Given
\(P(W) = \frac{n}{n+6}\)
Required
\(P(W')\)
In probability, the sum of opposite probability equals 1;
This implies that
\(P(W) + P(W') = 1\)
Substitute \(P(W) = \frac{n}{n+6}\) in the above equation
\(P(W) + P(W') = 1\) becomes
\(\frac{n}{n+6}+ P(W') = 1\)
Subtract \(\frac{n}{n+6}\) from both sides
\(\frac{n}{n+6} - \frac{n}{n+6} + P(W') = 1 - \frac{n}{n+6}\)
\(P(W') = 1 - \frac{n}{n+6}\)
Solve fraction (start by taking the LCM)
\(P(W') = \frac{n + 6 - n}{n+6}\)
\(P(W') = \frac{n - n + 6}{n+6}\)
\(P(W') = \frac{6}{n+6}\)
Hence, the probability that Paul doesn't win is \(P(W') = \frac{6}{n+6}\)
prove that sum of angles of a convex plygon of n sides is (n-2)pi, where n>3
The IH states that the sum of the angles in convex polygon C(which, by the IH, is (n - 2)·π) and the sum of the angles in triangle B (180°) is the same as the sum of the angles in A.
Using induction all convex polygons with n vertices have angles that add to (n - 2)·π, therefore let P(n) be that. We will demonstrate that P(n), where n≥3, holds for every n ∈ N. We demonstrate P(3), which states that any convex polygon with three vertices has an angle total of 180 degrees. Any triangle formed by such a polygon has angles that add up to 180°.
Assume that P(n) holds for some n ≥ 3 and that all convex polygons with n vertices have angles that add to (n-2) 180° for the inductive step. We demonstrate P(n+1), which states that each convex polygon with n+1 vertices has an angle sum of (n-1)·π. Let A represent any n+1-vertex convex polygon.
The IH states that the sum of the angles in convex polygon C (which, by the IH, is (n - 2)·π) and the sum of the angles in triangle B (180°) is the same as the sum of the angles in A. As a result, the total angle in A is (n-1) 180°. Thus, the induction is complete and P(n + 1) holds.
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The points (-1, r) and (5, -5) lie on a line with slope - 3. Find the missing coordinate r.
please show work for 2-4
The solutions for the given equations would be
x =14
x = -96
x = 53
What is a linear equation in one variable?
A linear equation in one variable is an equation that can be written in the form ax + b = 0, where x is the variable, a and b are coefficients, and a is not equal to zero. The variable x is the unknown value in the equation and the goal is to find the value(s) of x that makes the equation true.
9x = 126
x = 126/9
x = 14
x/8 = -12
x = -12 * 8
x = -96
x + 19 = 72
x = 72 - 19
x = 53
Hence, the solutions for the given equations would be
x =14
x = -96
x = 53
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select all equations that have x = 3 as a solution. A. X + 7 = 10 B. 3+ x = 3 C. x • 3 = 1 D. 4 • x = 12
Answer:
A.
Step-by-step explanation:
7+3=10 so it will be A, you're welocme
Answer:
A and D
Step-by-step explanation:
A) x + 7 = 10
D) 4 × x = 12
Slove n+5>7 helppp pls
Answer: n > 2
Step-by-step explanation: n + 5 > 7
n > 7-5
n > 2
if Luis had 7 fishes and he gave 2 away how many would he have left?
Answer: 5
Step-by-step explanation: unless this was somehow a trick question
what makes a regular polygon regular?
Answer:
All the interior angles are equivalent to the other interior angles, all the exterior angles are equivalent to the other exterior angles, and all the sides are equal to all the other sides
Step-by-step explanation:
The owner of a store buys large boxes of candy bars from a warehouse and repackages them to
sell in smaller boxes in his store. The store owner packages 4 candy bars in each small box. Each
large box contains 24 candy bars. Which graph represents the relationship between x large boxes
and y small boxes?
Answer:
This should explain it
Step-by-step explanation:
If its the graph question I think it is this is the answer screenshot.
4÷5/9 will give brainliest to right answer
Answer:
.0888 repeating
Step-by-step explanation:
4 ÷ 5 ÷ 9 work left to right
Answer:
0.088
Step-by-step explanation:
4÷5/9 = ?
First let's see how much 4÷5 is, you will get the answer as 0.8 or 8/10.
Now, we need to calculate how much 0.8/9 = ? The answer is 0.088.
Given H(t)=10-2t^2 , find h^-1 (t)
Please solve 5x = 75
Answer:
x=15
Step-by-step explanation:
5x= 75 (divide)
75/5= 15
Answer: There is only one step to solve this equation; we use inverse operations to isolate the x by dividing 5 on both sides. We divide because 5 is being multiplied by x, and the inverse operation for multiplication is division.
5x/5 = x
75/5 = 15
The equation now looks like:
x = 15
x is equal to 15. This is your answer.
Evaluate the triple integral. ⌡⌡⌡T XYZ dV, where T is the solid tetrahedron with vertices (0,0,0), (1,0,0), (1,1,0), and (1,0,1)
With the given vertices value of the triple integral is 0.
How to evaluate the triple integral?To evaluate the triple integral of the function f(x, y, z) = xyz over the given tetrahedron T with vertices (0,0,0), (1,0,0), (1,1,0), and (1,0,1), follow these steps:
1. Set up the limits of integration: The tetrahedron T is bounded by the planes x=0, y=0, z=0, x+y+z=1. We need to find the limits for x, y, and z.
- For x, the range is between the points (0,0,0) and (1,0,0), so 0 ≤ x ≤ 1.
- For y, given a fixed value of x, the range is between the points (x,0,0) and (x,1-x,0), so 0 ≤ y ≤ 1-x.
- For z, given fixed values of x and y, the range is between the points (x,y,0) and (x,y,1-x-y), so 0 ≤ z ≤ 1-x-y.
2. Write the triple integral with the determined limits of integration:
⌡⌡⌡(xyz dV) = ∫(from 0 to 1) ∫(from 0 to 1-x) ∫(from 0 to 1-x-y) xyz dz dy dx.
3. Integrate with respect to z:
∫(from 0 to 1) ∫(from 0 to 1-x) [(1/2)xyz²] (from 0 to 1-x-y) dy dx
= ∫(from 0 to 1) ∫(from 0 to 1-x) (1/2)xyz(1-x-y)² dy dx.
4. Integrate with respect to y:
∫(from 0 to 1) [(1/6)x(1-x)³] (from 0 to 1-x) dx
= ∫(from 0 to 1) (1/6)x(1-x)³ dx.
5. Integrate with respect to x:
[(1/24)(1-x)⁴] (from 0 to 1)
= (1/24)(1-1)⁴ - (1/24)(1-0)⁴
= 0.
Therefore, the value of the triple integral is 0.
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The quotient of a number r and 7 is no more than 18.
Answer:
value of r will be 126 or numbers lower than 126
Step-by-step explanation:
sorry if im wrong
Oliver drew a scale drawing of a swimming pool. In real life, the pool is 39 meters long. It is 26 millimeters long in the drawing. What is the scale of the drawing?
Answer:
The scale factor is 1 : 1500-------------------------------------------
Corresponding dimensions are 26 mm and 39 m.
Find the scale factor:
26 mm : 39 m = Given dimensions26 mm : 39 000 mm = Convert to same unit, m to mm26 : 39000 = Cancel the unit (mm)26/26 : 39000/26 = Divide both numbers by 261 : 1500 SimplifyEvaluate lim N→[infinity]
∑ j=1
N
[5( N
j
) 4
−( N
j
)] N
1
by using it as a definite integral. 2
59
2
3
2
1
4 1
\(Given, `lim N→[infinity] ∑ j=1 N [5(N j) 4−(N j)] N1`.\)We need to find the value of the given expression by using it as a definite integral.
\(First, we can write `∑ j=1 N [5(N j) 4−(N j)] N1` as `∑ j=1 N [5(N j) 4/N - (N j)/N] * (1/N)`\)
\(As `N` approaches infinity, the above expression becomes:`∫₀¹ [5x⁴ - x] dx`\)
Now, evaluating the integral we get:\(`∫₀¹ [5x⁴ - x] dx`= `[(5/5)*x⁵ - (1/2)*x²]₀¹`= `[(5/5) - (1/2)]`= `(9/10)`\)
\(Therefore, `lim N→[infinity] ∑ j=1 N [5(N j) 4−(N j)] N1` = `(9/10)`\)
Thus, the value of the given expression evaluated by using it as a definite integral is `9/10`
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