110*(3*3)
Step-by-step explanation:
=990
Just use PEMDAS
verify that the indicated family of functions is a solution of the given differential equation. Assume an appropriate interval of the definition for each solution
dP/dt= P(1-P); P= C1e^t /(1+C1e^t )
The family of functions P = C1e^t / (1 + C1e^t) is a solution to the differential equation dP/dt = P(1 - P) on an appropriate interval of definition.
In the first paragraph, we summarize that the family of functions P = C1e^t / (1 + C1e^t) is a solution to the differential equation dP/dt = P(1 - P). This equation represents the rate of change of the variable P with respect to time t, and the solution provides a relationship between P and t. In the second paragraph, we explain why this family of functions satisfies the given differential equation.
To verify the solution, we can substitute P = C1e^t / (1 + C1e^t) into the differential equation dP/dt = P(1 - P) and see if both sides are equal. Taking the derivative of P with respect to t, we have:
dP/dt = [d/dt (C1e^t / (1 + C1e^t))] = C1e^t(1 + C1e^t) - C1e^t(1 - C1e^t) / (1 + C1e^t)^2
= C1e^t + C1e^(2t) - C1e^t + C1e^(2t) / (1 + C1e^t)^2
= 2C1e^(2t) / (1 + C1e^t)^2.
On the other hand, evaluating P(1 - P), we get:
P(1 - P) = (C1e^t / (1 + C1e^t)) * (1 - C1e^t / (1 + C1e^t))
= (C1e^t / (1 + C1e^t)) * (1 - C1e^t + C1e^t / (1 + C1e^t))
= (C1e^t - C1e^(2t) + C1e^t) / (1 + C1e^t)
= (2C1e^t - C1e^(2t)) / (1 + C1e^t)
= 2C1e^t / (1 + C1e^t) - C1e^(2t) / (1 + C1e^t).
Comparing the two sides, we see that dP/dt = P(1 - P), which means the family of functions P = C1e^t / (1 + C1e^t) is indeed a solution to the given differential equation.
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A quadrilateral ABCDEFG, Vertical line ABCD, horizontal line from D to the left DEF, EG slanting line to the left, G connects with the vertical line B. A line connects G and C and a line connects B and F, and the line connects C and E.
In the diagram shown above, quadrilateral CEFH is a parallelogram.
Using properties of angles, triangles, and quadrilaterals, order the angles listed on the tiles from least measure to greatest measure.
The order of the angles from the least measure to greatest measure is ∠HGB, ∠ECD, ∠FGH and ∠GBH. The solution has been obtained by using the properties of angles.
What is an angle?
When two rays or lines share an endpoint, they form an angle, which is a figure in plane geometry.
We are given that CEFH is a parallelogram. We know that the adjacent angles of a parallelogram are supplementary.
So,
⇒∠FEC + ∠HCE = 180°
⇒124° + ∠HCE = 180°
⇒∠HCE = 56°
We know that angles on a straight line form a linear pair.
So,
⇒∠BCH + ∠HCE + ∠ECD = 180°
⇒90° + 56° + ∠ECD = 180°
⇒∠ECD = 34°
We know that the opposite angles of a parallelogram are equal.
So,
⇒∠FEC = ∠FHC
⇒∠FHC = 124°
Now,
⇒∠FHC + ∠FHG = 180°
⇒∠FHG = 56°
Using the angle sum property of triangle, we get
⇒∠FHG + ∠FGH + ∠GFH = 180°
⇒56° + ∠FGH + 87° = 180°
⇒∠FGH = 37°
∠GHB = 124° (Vertically opposite angles)
∠CHB = 56° (Vertically opposite angles)
Using the angle sum property of triangle, we get
⇒∠BCH + ∠CHB + ∠HBC = 180°
⇒90° + 56° + ∠HBC = 180°
⇒∠HBC = 34°
∠GBH = 44° (Straight line angle)
∠HGB = 12° (Angle sum property of triangle)
Hence, order of the angles from the least measure to greatest measure is ∠HGB, ∠ECD, ∠FGH and ∠GBH.
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Which equation gives the length of an arc, s, intersected by a central angle of 3 radians in a circle with a radius of 4 in.?
s = three-fourths
s = four-thirds
s = 4 + 3
s = 4 times 3
The length of an arc, s, intersected by a central angle of 3 radians in a circle with a radius of 4 in. is s = three-fourths inches.
What is the length of an arc?The length of the arc is the distance between the two points lying on a curve.
We know that the 2 radian is 360°, therefore, it will cover the complete circumference of the circle. Now, calculating the value of 1 radian,
\(2\pi\) \(radian=2\pi r\)
\(1\) \(radian=\frac{2\pi r}{2\pi }\)
\(1\) \(radian=r\)
As we know the value of 1 radian, therefore, to find the value of 3 radians simply multiply it by 3,
\(1\) \(radian=r\)
\(3\) \(radian=3*r\)
\(3\) \(radian=3r\)
We know the value of the radius of the circle, therefore,
\(3\) \(radian=3r\)
\(3\) \(radian=3*4\) \(in.\)
Hence, the length of an arc, s, intersected by a central angle of 3 radians in a circle with a radius of 4 in. is s = three-fourths inches.
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Answer:
ANSWER IS D ON EDGE 23'
Step-by-step explanation:
GUY ABOVE IS WRONG THE ANSWER IS s=4x3
7/9
×
3/7
just need help
Answer:
Let me hep you then :)
Step-by-step explanation:
7/9 x 3/7 = 1/3 or 0.3
Have a nice day <3
Answer:
Fraction Form = 1/3
Decimal Form= 0.3 repeating or just 0.3
Step-by-step explanation:
Heres a free Quote for you- “Believe you can and you're halfway there.”
Ally rents a car for one day. It costs her $35 plus $0.35 per mile. Ally only has $134.75. How many miles can she drive?
Ally will be able to cover 285 miles for the trip
How to calculate the number of miles ?Ally wants to rent the car for one day
The rents costs $35 and $0.35 per mile
Ally has $134.75 to spend for the trip
The number of miles Ally can drive for the trip can be calculated as follows
134.75 - 35
= 99.75
99.75/0.35
= 285
Hence Ally will be able to drive 285 miles for the trip
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if one cup of rice goes to three people how many cups of rice will go to one person?
Dylan scored a total of 48 points in first 4 games of the basketball season. Which equation can be used to find g, the average number of points he scores per game?
Answer:
48÷4=g
Step-by-step explanation:
Answer:
g=48 divided by 4
Step-by-step explanation:
simplify -3(w+6)+w !!!!!!!!!!!!!!!
Answer:
-2w-18
Step-by-step explanation:
first get rid of the () by multiplying. -3w-18+w then combine like terms. -2w-18
Answer:
-3(w+6)+w
-3w-3×6+w
-2w-18
or
-2(w-9)
Which statements are always true regarding the diagram? Select three options.
Answer:
C; D; E
Step-by-step explanation:
✔️Angles in a straight line = 180°
Therefore, m<5 + m<6 = 180° is correct.
✔️Exterior angle of a triangle = the sum of the opposite interior angels based on the exterior angle theorem of a triangle.
Therefore,
m<2 + m<3 = m<6 is correct.
✔️The sum of m<2 + m<3 + m<5 = 180° is correct. This is true based on the sum of triangle theorem.
Shelby made equal deposits at the beginning of every 3 months into an RRSP. At the end of 9 years, the fund had an accumulated value of $55,000. If the RRSP was earning 3.50\% compounded monthly, what was the size of the quarterly deposits? Round to the nearest cent
The size of the quarterly deposits in Shelby's RRSP account was approximately $147.40.
Let's denote the size of the quarterly deposits as \(D\). The total number of deposits made over 9 years is \(9 \times 4 = 36\) since there are 4 quarters in a year. The interest rate per period is \(r = \frac{3.50}{100 \times 12} = 0.0029167\) (3.50% annual rate compounded monthly).
Using the formula for the future value of an ordinary annuity, we can calculate the accumulated value of the RRSP fund:
\[55,000 = D \times \left(\frac{{(1 + r)^{36} - 1}}{r}\right)\]
Simplifying the equation and solving for \(D\), we find:
\[D = \frac{55,000 \times r}{(1 + r)^{36} - 1}\]
Substituting the values into the formula, we get:
\[D = \frac{55,000 \times 0.0029167}{(1 + 0.0029167)^{36} - 1} \approx 147.40\]
Therefore, the size of the quarterly deposits, rounded to the nearest cent, is approximately $147.40.
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[20 Points]
Add the expressions 4- 2/3b+ 1/4a and 1/2a + 1/6b -7 . What is the simplified sum?
A: -1/6a + 5/12b - 3
B: 3/4a + 1/2b - 3
C: 3/4a + 5/6b - 3
D: 5/12a - 1/6b - 3
Answer:
B: 3/4a + 1/2b - 3
Step-by-step explanation:
find range of f(x)=4/3x^2-3x
Answer:
y>= -27/16
Step-by-step explanation:
I just put in the calculator
which of the following methods can be used to determine if a relation is a function?? Select all that apply.
A. Write out the relation in an x-y table and check that each x-value corresponds to the only one y - value.
B. Write out the relation in an x-y table and check that each x-value corresponds to the only one x - value
C. Graph the relation on a coordinate plane and check that it passes the vertical line test.
D. Graph the relation on a coordinate plane and check that it passes the horizontal line test.
Answer:
B) Write out the relation in an x-y table and check that each x-value corresponds to the only one x - value
The first three terms of a sequence are given. Round to the nearest thousandth (if
necessary).
2, 7, 12,...
Find the 46th term.
Answer: 227
Step-by-step explanation:
To find the 46th term of the sequence, we need to first determine the pattern of the sequence. We can see that the sequence increases by 5 between each consecutive term. Therefore, the common difference of the sequence is 5.
Using this information, we can find the \(n\)th term of the sequence using the formula:
\(\Large \boxed{an = a1 + d(n-1)}\)
where
\(an = \text{nth term of the sequence}\)\(a1 = \text{first term of the sequence}\)\(d = \text{common difference}\)Using the given terms, we have:
\(a1 = 2\)\(d = 5\)To find the 46th term, we substitute \(n = 46\) into the formula:
\(a46 = 2 + 5(46-1)\)\(a46 = 2 + 225\)\(a46 = 227\)Therefore, the 46th term of the sequence is 227.
________________________________________________________
To find the pattern in the sequence, we can observe that each term is obtained by adding 5 to the previous term. Therefore, we can write the recursive formula for the sequence as:
\(\large a_1 = 2\)
\(\large a_n = a_{n-1} + 5\)
To find the 46th term, we can use the recursive formula to generate each term until we reach the desired term:
\(\large a_1 = 2\)
\(\large a_2 = a_1 + 5 = 2 + 5 = 7\)
\(\large a_3 = a_2 + 5 = 7 + 5 = 12\)
\(\large a_4 = a_3 + 5 = 12 + 5 = 17\)
\(\vdots\)
\(\large a_{46} = a_{45} + 5 \approx \boxed{227}\)
\(\therefore\) The 46th term of the sequence is approximately 227.
We can also write the explicit formula for the sequence as:
\(\large a_n = 5n - 3\)
To verify that this formula generates the same sequence as the recursive formula, we can substitute the value of n = 1, 2, 3, etc. and compare the results.
\(\blue{\overline{\qquad\qquad\qquad\qquad\qquad\qquad\qquad\qquad\qquad\qquad\qquad\qquad\qquad\qquad\qquad}}\)
Help me please I don’t understand
The age of Michelle is 30 years old (option A).
What is Michelle's age?The mathematical operation that would be used to determine the required value is multiplication. Multiplication is the process of determining the product of two or more numbers. The sign that represents multiplication is ×.
The first step is to determine Fiona's age.
Fiona's age = Madeline's age x 2
Fiona's age = 5 x 2 = 10
The second step is to determine Michelle's age.
Michelle's age = Fiona's age x 3
Michelle's age = 10 x 3
Michelle's age = 30
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what is an 86 grade?
An 86 grade is typically a B+ letter grade in most educational systems that use a letter grade system. It is also sometimes considered a 3.3 on a 4.0 scale.
In most educational systems, a grade is a number or letter that represents the level of achievement of a student in a particular course or subject. The most common grading systems used in schools and universities are the letter grade system and the numerical grade system.
In the letter grade system, grades are typically assigned as A, B, C, D, or F. The numerical scale most commonly used is a 4.0 scale, where an A is equal to 4.0, a B is equal to 3.0, a C is equal to 2.0, and so on.
An 86 grade is considered a B+ letter grade in most educational systems that use a letter grade system. It is also sometimes considered a 3.3 on a 4.0 scale, which is just above a B but below an A-. This grade usually indicates that the student has performed well in the course, but not quite at the level of an A student.
It's important to note that the grading system and the grades cut offs could vary from school to school, college to college, and country to country. Some schools use a different grading system and different grade cut-offs.
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Divide 4 over 5 ÷ 1 over 10 = ____. Numerical Answers Expected! Answer for Blank 1:
Answer:
its 8
Step-by-step explanation:
4/5 ÷ 1/10
4×10/5×1=40/5
8×5/1×5=8/1=8
hope this helps
Answer:
8
Step-by-step explanation:
turn division into mulitplictaion the mulitplie
What is the simplest form of square root a^7
Answer in the photo
Answer:
B. a^3√a
Explanation: I got it right
Answer:
\(a^{3}\sqrt{a}\)
Step-by-step explanation:
Answer in question
T/F: if the slope (b) of ŷ is positive, then the correlation coefficient (r) must also be positive.
True. The correlation coefficient (r) must also be positive, indicating a strong positive linear relationship between the two variables.
The correlation coefficient (r) measures the strength and direction of the linear relationship between two variables. It ranges from -1 to 1, where a value of -1 indicates a perfectly negative linear relationship, a value of 1 indicates a perfectly positive linear relationship, and a value of 0 indicates no linear relationship. If the slope (b) of ŷ is positive, it means that as the independent variable increases, the dependent variable also increases.
In addition to the above explanation, it is important to note that while a positive slope (b) of ŷ indicates a positive linear relationship between two variables, it does not necessarily mean that the correlation coefficient (r) will always be positive. For example, if there is a weak positive linear relationship between two variables, the correlation coefficient (r) may still be positive but not as strong as if there was a strong positive linear relationship. Similarly, there may be situations where the correlation coefficient (r) is positive but the slope (b) of ŷ is not positive, such as in a curvilinear relationship where the relationship between the two variables is not linear.
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GEOLOGY Shan used a surveying tool to map a region of land for his science class. To determine the height of a vertical rock formation, he measured the distance from the base of the formation to his position and the angle between the ground and the line of sight to the top of the formation. The distance was 43 meters, and the angle was 36°. What is the height of the formation to the nearest meter? 36° 43 m
The formation's height is 31 meters to the closest meter.
What exactly is meant by height?In mathematics, height is defined as the vertical distance between an object's top and bottom. It is also referred to as 'altitude.' The term height in geometry refers to the measurement of an object along the y-axis in coordinate geometry.
Height, altitude, and elevation all refer to the vertical distance between the top and bottom of something or between a base and anything above it. Height is a standard bodily measurement that is commonly measured in feet (ft) + inches (in) in the United States and centimeters (cm) abroad. Because they are length measurements, the SI unit would be meters.
We can use the tangent function to calculate the formation's height, h.
tan ( 36°) = h/43
Here, we have to multiply both sides by 43 we get,
43tan (36°)= h
h=31m
Therefore, the height of the formation to the nearest meter is 31m.
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Help me plsssssssssssssssssssssssssss
Answer: 120
Step-by-step explanation: divide 24 by 5 to get 4.8 so its 4.8 minutes for one question
25 x 4.8 = 120
what is the mass of 9.3x10^24 molecules of glucose?
After answering the presented question, we can conclude that As a equation result, the mass of \(9.3 \times 1024\) glucose molecules is roughly \(2777.4\) grammes.
What is equation?Glucose has a molecular weight of about \(180\) grammes per mole (g/mol).
To calculate the mass of \(9.3\times 1024\) glucose molecules, we must first determine the number of moles of glucose in \(9.3 \times 1024\) molecules. We can achieve this using Avogadro's number:
Every substance contains \(6.022 \times 10^2^3\) molecules in 1 mole.
As a result, the number of moles of glucose in \(9.3x10^2^4\) molecules is as follows:
\(15.43 moles = 9.3\times 1024\) molecules / \(6.022 \times 1023\) molecules/mol
Using its molecular weight, we can then compute the mass of \(15.43\) moles of glucose:
Mass = number of moles multiplied by molecular weight
\(15.43 mol \times 180 g/mol = mass\)
\(2777.4\)gramme mass
Therefore, the mass of \(9.3 \times 1024\) glucose molecules are roughly \(2777.4\)grammes.
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Acellus Find the distance between the two points. (-3,-4) (2,2) ✓ [?]
Answer:
√61
Step-by-step explanation:
→ Find the distance between y coordinates
2 --4 = 6
→ Find distance between x coordinates
2--3 = 5
→ Find distance
√6² + 5² = √36 + 25 = √61
Is a four-dimensional hypercube bipartite? If yes, show the blue-red coloring of the nodes. Otherwise, explain why the graph is not bipartite.
A four-dimensional hypercube is bipartite, and it can be colored with a blue-red coloring scheme.
A four-dimensional hypercube, also known as a tesseract, is a geometric shape in four dimensions that extends the concept of a cube in three dimensions. It can be visualized as a cube within a cube, connected by edges.
To determine if the four-dimensional hypercube is bipartite, we need to check if it is possible to color its nodes with two colors (e.g., blue and red) such that no two adjacent nodes have the same color.
In the case of a four-dimensional hypercube, it is indeed bipartite. We can apply a blue-red coloring scheme as follows:
Start by coloring one vertex (node) with the color blue. Then, assign the color red to all the vertices that are one edge away from the blue vertex. Next, assign the color blue to all the vertices that are two edges away from the blue vertex. Continue this alternating pattern of colors until all the vertices are colored.
Since the four-dimensional hypercube is a regular structure with each vertex connected to exactly four other vertices, this coloring scheme ensures that no two adjacent vertices have the same color, making it bipartite.
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the title pattern shown was used in pompeii for paving. if the diagonals of each rhombus are 2 and 3 inches, what area makes up each cube in the pattrn
Each cube in the pattern has an area of 3 square inches.
To determine the area of each cube in the pattern, we need to find the area of each rhombus formed by the pattern.
The pattern consists of rhombuses, and we know that the diagonals of each rhombus are 2 inches and 3 inches.
The formula to find the area of a rhombus is given by:
Area = (d1 * d2) / 2,
where d1 and d2 are the lengths of the diagonals.
In this case, d1 = 2 inches and d2 = 3 inches.
Plugging the values into the formula, we get:
Area = (2 * 3) / 2
= 6 / 2
= 3 square inches.
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Tran drove his car at a constant speed of 55 miles per hour.
Which is an equation for the distance tran drove? MULTIPLE CHOICE, OPTIONS:
(55d=t), (d=55t), 55/d=t), (t/d=55)?
WILL MARK BRAINLIEST FOR FAST ANSWER AND CORRECT
Tammy takes a taxi home from the airport. The fare is $2.10 per mile, and she gives the driver a tip of $5. Tammy pays a total of $49.10. What is the distance (in miles) between Tammy's home and the airport?
Answer:
21 Miles. Hope your enjoying Middle School!
Step-by-step explanation:
Line Handout #1f: Find the equation of the line parallel to 3x +y=-3 through the point (3,2)
The straight line that is parallel to 3x + y = -3 and passes through point (3,2) is y = -3x + 11.
We find the slope of the given line: 3x + y= -3 can be rearranged to y = -3x - 3, which is in the slope-intercept form y = mx + b. The slope of this line is -3.
Since parallel lines have the same slope, the slope of the line we are looking for is also -3.
We use the point-slope form of an equation, y - y₁ = m(x - x₁), where m is the slope and (x₁, y₁) is the point the line passes through.
Plug in the values we have: y - 2 = -3(x - 3)
We simplify the equation: y - 2 = -3x + 9 => y = -3x + 11
Therefore, the equation of the line parallel to 3x +y=-3 through the point (3,2) is y = -3x + 11.
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Use the method of undetermined coefficients to find the general solution to the de y′′−3y′ 2y=ex e2x e−x
I'll assume the ODE is
\(y'' - 3y' + 2y = e^x + e^{2x} + e^{-x}\)
Solve the homogeneous ODE,
\(y'' - 3y' + 2y = 0\)
The characteristic equation
\(r^2 - 3r + 2 = (r - 1) (r - 2) = 0\)
has roots at \(r=1\) and \(r=2\). Then the characteristic solution is
\(y = C_1 e^x + C_2 e^{2x}\)
For nonhomogeneous ODE (1),
\(y'' - 3y' + 2y = e^x\)
consider the ansatz particular solution
\(y = axe^x \implies y' = a(x+1) e^x \implies y'' = a(x+2) e^x\)
Substituting this into (1) gives
\(a(x+2) e^x - 3 a (x+1) e^x + 2ax e^x = e^x \implies a = -1\)
For the nonhomogeneous ODE (2),
\(y'' - 3y' + 2y = e^{2x}\)
take the ansatz
\(y = bxe^{2x} \implies y' = b(2x+1) e^{2x} \implies y'' = b(4x+4) e^{2x}\)
Substitute (2) into the ODE to get
\(b(4x+4) e^{2x} - 3b(2x+1)e^{2x} + 2bxe^{2x} = e^{2x} \implies b=1\)
Lastly, for the nonhomogeneous ODE (3)
\(y'' - 3y' + 2y = e^{-x}\)
take the ansatz
\(y = ce^{-x} \implies y' = -ce^{-x} \implies y'' = ce^{-x}\)
and solve for \(c\).
\(ce^{-x} + 3ce^{-x} + 2ce^{-x} = e^{-x} \implies c = \dfrac16\)
Then the general solution to the ODE is
\(\boxed{y = C_1 e^x + C_2 e^{2x} - xe^x + xe^{2x} + \dfrac16 e^{-x}}\)
Write the expression in standard form: (3) / (3-12i).
Answer:
1/17 + 4i/17
Step-by-step explanation: