To linearize the given differential equations, we need to find the linear approximation of the nonlinear terms. In the first equation, the linearization involves finding the first derivative of y with respect to t, while in the second equation, we use logarithmic differentiation to linearize the nonlinear term. In both cases, the linearized equations help approximate the behavior of the original nonlinear equations.
a) To linearize the equation dy/dt + zy = r, we can write the linearized equation as d(y - y0)/dt + z(y - y0) = r - r0, where y0 and r0 are the values of y and r at a specific point. This linearization approximates the behavior of the original equation around the point (y0, r0). The linearization involves finding the first derivative of y with respect to t.
b) To linearize the equation dy/dt + ay + By^2 + yln(y) = Q, we can use logarithmic differentiation. Taking the natural logarithm of both sides of the equation, we get ln(dy/dt) + ln(y) + ln(a) + ln(B) + yln(y) = ln(Q). Then, we differentiate both sides with respect to t, resulting in 1/(y^2) * (dy/dt) + (1/y) * (dy/dt) + (1/y) * y + 0 + yln(y) * (dy/dt) = 0. This linearization allows us to approximate the behavior of the original nonlinear equation by neglecting higher-order terms.
In both cases, the linearized equations provide a simpler representation of the original equations, making it easier to analyze their behavior and approximate solutions.
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Write down letters of the circled points and order them by least to greasiest. You will spell a word that describes y way to compare quantities
One way to compare quantities is with fractional numbers that represent quantities using divided numbers.
What is a fraction?Fractional number is a mathematical concept that refers to a quantity divided by another quantity. Common fractions are made up of: numerator, denominator and dividing line between them (horizontal or oblique bar).
The denominator "b" expresses the number of equal parts that represent the unit.The numerator "a" indicates how many of them are taken.Some examples of fractional numbers are:
\(\frac{1}{2}\)\(\frac{2}{4}\)\(\frac{3}{4}\)\(\frac{50}{100}\)Note: This question is incomplete because there is some information missing. However I can answer it based on my general prior knowledge.
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Answer:
The word is RATIO.
Step-by-step explanation:
Your problem is incomplete. However, I came across the same problem and solved it (Lesson 23, question 220c). Use the coordinates ONLY from the previous question and compare from there.
What is the approximate length of minor arc JH? Round to the nearest tenth of a centimeter. 3. 5 cm 6. 9 cm 21. 6 cm 46. 8 cm.
the terminal point p(x, y) determined by a real number t is given. find sin(t), cos(t), and tan(t). 1 5 , − 2 6 5 sin(t) = cos(t) = tan(t) =
sin(t) = -sqrt(61) / 30, cos(t) = sqrt(61) / 15, and tan(t) = -5/3.
To find sin(t), cos(t), and tan(t) we need to use the coordinates of the terminal point p(x,y) determined by the real number t.
Given that the terminal point is (1/5, -2/6), we can find the values of sin(t), cos(t), and tan(t) using the following formulas:
sin(t) = y / r
cos(t) = x / r
tan(t) = y / x
where r is the distance from the origin to the point p(x,y), which can be calculated using the Pythagorean theorem:
r = sqrt(x^2 + y^2)
Plugging in the values for the coordinates of p(x,y), we get:
r = sqrt((1/5)^2 + (-2/6)^2) = sqrt(1/25 + 4/36) = sqrt(36/900 + 25/900) = sqrt(61/900)
sin(t) = (-2/6) / (sqrt(61/900)) = -sqrt(61) / 30
cos(t) = (1/5) / (sqrt(61/900)) = sqrt(61) / 15
tan(t) = (-2/6) / (1/5) = -5/3
Therefore, sin(t) = -sqrt(61) / 30, cos(t) = sqrt(61) / 15, and tan(t) = -5/3.
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Find the minimum and maximum values of z=5x+6y, if possible, for the following set of constraints. x+y≤5
−x+y≤3
2x−y≤8
Select the coerect choice below and, if necessary, fil in the annwer box to complete your choice. A. The minimum value is (Round to the nearest tenth as needed.) B. There is no minimum value.
A. The minimum value is 18 (Round to the nearest tenth as needed.)
B. There is no minimum value.
A. To solve this problem, we can graph the feasible region formed by the intersection of the given constraints. The feasible region represents the set of points that satisfy all the constraints simultaneously.
Upon graphing the given constraints, we find that the feasible region is a triangle with vertices at (0, 3), (4, 1), and (5, 0).
Next, we evaluate the objective function z = 5x + 6y at each vertex of the feasible region.
z(0, 3) = 5(0) + 6(3) = 18
z(4, 1) = 5(4) + 6(1) = 26
z(5, 0) = 5(5) + 6(0) = 25
Thus, the minimum value of z is 18, which occurs at the vertex (0, 3) within the feasible region.
B. To solve this problem, we can graph the feasible region formed by the intersection of the given constraints. The feasible region represents the set of points that satisfy all the constraints simultaneously.
Upon graphing the given constraints, we find that the feasible region is unbounded and extends indefinitely in certain directions.
Since the feasible region is unbounded, there is no finite minimum value for the objective function z = 5x + 6y. The value of z can be arbitrarily large or small as we move towards the unbounded regions.
Therefore, in this case, there is no minimum value for z.
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Angles A and B are supplementary angles. Angle A measures 89° and angle B measures (2x + 5)°. Find x.
Answer:
x=43
Step-by-step explanation:
supplementary angles add up to 180. Therefore 89+2x+5=180.2x=180-94
2x=86 and x is therefore 43.
Answer:
x=43
Step-by-step explanation:
supplementary angles add up to 180. Therefore 89+2x+5=180.2x=180-94
2x=86 and x is therefore 43.
Air is being pumped into a spherical balloon at the rate of 7 cm³/sec. What is the rate of change of the radius at the instant the volume equals 36n cm³ ? The volume of the sphere 47 [7] of radius r is ³.
the rate of change of the radius at the instant the volume equals 36π cm³ is 7 / (36π) cm/sec.
The volume V of a sphere with radius r is given by the formula V = (4/3)πr³. We are given that the rate of change of the volume is 7 cm³/sec. Differentiating the volume formula with respect to time, we get dV/dt =(4/3)π(3r²)(dr/dt), where dr/dt represents the rate of change of the radius with respect to time.
We are looking for the rate of change of the radius, dr/dt, when the volume equals 36π cm³. Substituting the values into the equation, we have: 7 = (4/3)π(3r²)(dr/dt)
7 = 4πr²(dr/dt) To find dr/dt, we rearrange the equation: (dr/dt) = 7 / (4πr²) Now, we can substitute the volume V = 36π cm³ and solve for the radius r: 36π = (4/3)πr³
36 = (4/3)r³
27 = r³
r = 3 Substituting r = 3 into the equation for dr/dt, we get: (dr/dt) = 7 / (4π(3)²)
(dr/dt) = 7 / (4π(9))
(dr/dt) = 7 / (36π)
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3. find two unit vectors that are orthogonal to both j 2k and i -2j 3k.
To find two unit vectors that are orthogonal to both j 2k and i -2j 3k, we can use the cross product and normalization techniques. The two unit vectors that satisfy the condition are (2/3)i + (2/3)j + (1/3)k and (2/3)i - (2/3)j - (1/3)k.
First, we need to calculate the cross product of j 2k and i -2j 3k, which is given by:
j 2k × i -2j 3k = (-6) i -3k - (-4)j -6k = (-6) i + 4j -9k
This cross product vector is orthogonal to both j 2k and i -2j 3k, but it is not a unit vector. To find two unit vectors that are orthogonal to both j 2k and i -2j 3k, we need to normalize this cross product vector. We can do this by dividing the cross product vector by its magnitude:
\(||(-6) i + 4j -9k|| = \sqrt{(-6)^2 + 4^2 + (-9)^2) } = 11\\\)
Therefore, the first unit vector that is orthogonal to both j 2k and i -2j 3k is:
\(u1 = (1/11)(-6)i + (4/11)j - (9/11)k\)
To find the second unit vector, we can take the cross product of the first unit vector and either j 2k or i -2j 3k. Let's take the cross product of u1 and j 2k:
\(u1 × j 2k = (-8/11) i - (6/11)j - (2/11)k\)
This vector is also orthogonal to both j 2k and i -2j 3k, but it is not a unit vector. To find the second unit vector, we need to normalize this vector:
\(||(-8/11) i - (6/11)j - (2/11)k|| = \sqrt{(-8/11)^2 + (-6/11)^2 + (-2/11)^2} \\= 2/3\)
Therefore, the second unit vector that is orthogonal to both j 2k and i -2j 3k is:
\(u2 = (2/3)(-8/11)i - (2/3)(6/11)j - (2/3)(-2/11)k \\ = (2/3)i - (2/3)j - (1/3)k\)
Thus, the two unit vectors that are orthogonal to both j 2k and i -2j 3k are (2/3)i + (2/3)j + (1/3)k and (2/3)i - (2/3)j - (1/3)k.
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The center of a circle is at (2, −3) on a coordinate plane. The edge of the circle goes through the point (2, −7).
What is the circumference of the circle?
HELP giving brainlest
Answer:
1.77×10^6 is the answer ig :)
Answer:
Evaluate.
Scientific Notation:
1.77
⋅
10
6
Expanded Form:
1770000
Step-by-step explanation:
thas what i got
an urn contains 3 black balls and 7 white balls. What is the probability of getting 1 black ball and 1 white ball in 2 consecutive draws from one urn
The probability of drawing one black ball and one white ball in two consecutive draws from the urn is approximately 0.42.
To calculate the probability of drawing one black ball and one white ball in two consecutive draws, we need to consider the outcomes of each draw.
In the first draw, there are 10 balls in total (3 black and 7 white). The probability of drawing a black ball on the first draw is 3/10, and the probability of drawing a white ball is 7/10.
For the second draw, after removing one ball from the urn, there are now 9 balls left. The probability of drawing a black ball on the second draw, given that a black ball was drawn on the first draw, is 2/9. Similarly, the probability of drawing a white ball on the second draw, given that a white ball was drawn on the first draw, is 6/9.
To calculate the overall probability, we multiply the probabilities of the individual events. The probability of drawing one black ball and one white ball in two consecutive draws is (3/10) * (6/9) + (7/10) * (2/9) ≈ 0.42.
Therefore, the probability of getting one black ball and one white ball in two consecutive draws from the urn is approximately 0.42.
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The ratio of length,breadth and height of cuboid is 6:5:4. Find the length of the cuboid if total surface area is 1332 sq.cm
Answer:
Length of the cuboid is 18 cm.Step-by-step explanation:
Given,
The ratio of length,breadth and height of cuboid is 6:5:4.Total surface area = 1332 cm²Let's assume,
Length of cuboid = 6xBreadth of cuboid = 5x Height of cuboid = 4xWe know that,
TSA of cuboid = 2(lb + bh + hl)On substituting the values we get,
→ 2(6x × 5x) + (5x × 4x) + (4x × 6x) = 1332
→ 2 ( 30x² + 20x2 + 24x²) = 1332
→ 2 × 74x² = 1332
→ 74x² = 1332/2
→ 74x² = 666
→ x² = 666/74
→ x² = 9
→ x = √9
→ x = 3
Hence,
Length of cuboid :
→ 6x
→ 6 × 3
→ 18 cm
Therefore, length of the cuboid is 18 cm.
\( \huge \bold \: \bf \: Solution \)
Let ,
Length = 6xBreadth = 5xHeight = 4x\( \sf \: Formula \)
TSA = 2( LB + BH + HL )\( \displaystyle \large \sf \mapsto \: 2(lb \: + \: bh \: + hl) = 1332\)
\(\displaystyle \large \sf \mapsto \: 2(6x \times 5x + 5x \times 4x + 4x \times 6x )= 1332\)
\(\displaystyle \large \sf \mapsto2(30 {x}^{2} + {20x}^{2} + {24x}^{2} ) = 1332\)
\(\displaystyle \large \sf \mapsto \: 2(74 {x}^{2} ) = 1332\)
\(\displaystyle \large \sf \mapsto148 {x}^{2} = 1332\)
\(\displaystyle \large \sf \mapsto \: x {}^{2} = 9\)
x = √9
x = 3
Now,
Putting the value of
Length
6x = 6×3 = 18Breadth
5x = 5×3 = 15Height
4x = 4×3 =12Thus, Length of cuboid = 18 cm.
Please help me I’ll make u brainliest I swear please
Since the provided equation is inconsistent, it cannot intersect.
What is equation?The definition of an equation in algebra is a mathematical statement that demonstrates the equality of two mathematical expressions. For instance, the equation 3x + 5 = 14 consists of the two equations 3x + 5 and 14, which are separated by the 'equal' sign. A mathematical statement known as an equation is made up of two expressions joined together by the equal sign. A formula would be 3x - 5 = 16, for instance. When this equation is solved, we discover that the value of the variable x is 7.
Here,
we can see that the second set of equation,
4x+2y=12
20x+10y=30
4/20=2/10≠12/30
1/5=1/5≠2/5
The given equation is inconsistent so it does not intersect.
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find the taylor polynomials p1, ..., p4 centered at a0 for f(x).
The Taylor polynomials P1, P2, P3, and P4 centered at a0 for f(x) are given as:P1(x) = 1P2(x) = 1 - x²/2!P3(x) = 1 - x²/2! + x⁴/4!P4(x) = 1 - x²/2! + x⁴/4! - x⁶/6!
We will apply the Taylor's theorem formula, which is supplied as follows, to determine the Taylor polynomials P1, P2, P3, and P4 centred at a0 for f(x) in the given question:f'(a)(x-a)/1 = f(x) = f(a) + f'(a)! + f''(a)(x-a)²/2! + ... + fⁿ(a)(x-a)ⁿ/n!We have f(0) = 1f'(0) = 0f''(0) = -1f'''(0) = 0f4(0) = 1 for f(x) = cos(x) at x = 0.We can get the following polynomial expressions by using these values in the Taylor's theorem formula:P1(x) = 1P2(x) = 1 - x²/2!P3(x) = 1 - x²/2! + x⁴/4!P4(x) = 1 - x²/2! + x⁴/4! - x⁶/6!Consequently, the Taylor polynomials P1, P2, P3, and P4 for f(x) are provided as follows:P1(x) = 1P2(x) = 1 - x²/2!P3(x) = 1 - x²/2! + x⁴/4!P4(x) = 1 - x²/2! + x⁴/4! - x⁶/6!
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How is annual property rate calculated
Answer:
value of property multiply by the tax rate
Step-by-step explanation: value of the property x the tax rate of the country
A line on a graph passes through the point (0, 5). Does the graph represent a proportional relationship?
it doesn't represent a proportional relationship because it doesn't cross the origin, instead it has a y-int of (0,5)
POINTS! PLZ HELP!!
Mei is a park ranger at Death Valley National Park in California. She records the elevation relative to sea level at different points in the park. What is the mean of the elevations?
Elevations: -32.6, 24.7, -8.3, 19.1, -8.4.
Answer:
the numbers are drecreasing and increasing
Find f^-1(x) of f(x)=2x-3
Answer: To find the inverse of a function f(x), we need to switch the x and y variables and then solve for y.
So, the inverse function f^-1(x) of f(x) = 2x - 3 is:
f^-1(x) = (x+3)/2
This is the inverse of the function, and it can be denoted by f^-1(x) = (x+3)/2
Step-by-step explanation:
Find the 6th term of the geometric sequence whose common ratio is 1/3 and whose first term is 8.
Answer:
.033
Step-by-step explanation:
6th term = 8(1/3)^7
if 8x ≤ g(x) ≤ 4x4 − 4x2 + 8 for all x, evaluate lim x→1 g(x).
If 8x ≤ g(x) ≤ 4x4 − 4x2 + 8 for all x, x will be evaluated as lim x→1 g(x), 1 is 8.
To evaluate the limit of g(x) as x approaches 1, we must first examine the given inequality. It states that if 8x is less than or equal to g(x), and g(x) is less than or equal to 4x4 - 4x2 + 8, then this is true for all x.
Calculating the limit of g(x) as x approaches 1, we start by substituting x = 1 into the given inequality. This gives us 8(1) ≤ g(1) ≤ 4(1)4 - 4(1)2 + 8. Simplifying, this gives us 8 ≤ g(1) ≤ 8, so g(1) must be equal to 8.
Therefore, the limit of g(x) as x approaches 1 is 8.
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y=3/4x + 5???HELP ME PLEASE
Answer
Step-by-step explanation:
U have to know what y is other wise its impossible
Marvin has a coupon the discount is the rental of a full-size car by $25 they decide to buy insurance for each day if the cost is $465 how much days dear well they rent the car right and solve the equation
Answer:
tht hard
Step-by-step explanation:
so i need points
What fraction of 2.4 litres is 400 ml?
The fraction is 1/6. Option D
How to determine the fractionFirst, we need to know the conversion factor the parameters.
Then, we have that';
1 liter = 1000 milliliter
10 milliliters (ml) = 1 centiliter (cl)
10 centiliters = 1 deciliter (dl) = 100 milliliters
1 liter = 1000 milliliters
1 milliliter = 1 cubic centimeter
1 liter = 1000 cubic centimeters
Then, we can say that;
If 1 liter = 1000ml
Then 2 4/8 = 400ml
2.4 liters is equal to 2.4 x 1000= 2400 milliliters.
400/2400
Simplify the fraction;
4/24
Divide the values, we get;
1/6
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Hi. I need help with these questions (see image)
Please show workings.
Answer:
see explanation
Step-by-step explanation:
Using the chain rule
Given
y = f(g(x)), then
\(\frac{dy}{dx}\) = f'(g(x)) × g'(x) ← chain rule
and the standard derivatives
\(\frac{d}{dx}\) (\(log_{a}\) x ) = \(\frac{1}{xlna}\) , \(\frac{d}{dx}\)(lnx) = \(\frac{1}{x}\)
(a)
Given
y = \(log_{a}\)\(\sqrt{(1+x)}\)
\(\frac{dy}{dx}\) = \(\frac{1}{lna\sqrt{(1+x)} }\) × \(\frac{d}{dx}\) (\((1+x)^{\frac{1}{2} }\)
= \(\frac{1}{lna\sqrt{(1+x)} }\) × \(\frac{1}{2}\) \((1+x)^{-\frac{1}{2} }\) × \(\frac{d}{dx}\) (1 + x)
= \(\frac{1}{lna\sqrt{(1+x)} }\) × \(\frac{1}{2\sqrt{(1+x)} }\) × 1
= \(\frac{1}{2lna(1+x)}\)
= \(\frac{1}{(1+x)lna^2}\)
(b)
Given
y = ln sinx
\(\frac{dy}{dx}\) = \(\frac{1}{sinx}\) × \(\frac{d}{dx}\)(sinx)
= \(\frac{1}{sinx}\) × cosx
= \(\frac{cosx}{sinx}\)
= cotx
please help with this
Which is true for the following equation? f(x) = −4x2 + 6x − 7 options: The graph opens up and the vertex is a maximum. The graph opens up and the vertex is a minimum. The graph opens down and the vertex is a maximum. The graph opens down and the vertex is a minimum.
Answer:
first statement
Step-by-step explanation:
The graph opens up and the vertex is a maximum
Which point represents 2?
Answer:
The answer is simple
Step-by-step explanation:
The answer is B, on a line graph the order goes from 0, 1, 2, 3 and so on without this order you can't use negative terms without a equation
best answer for the question.
19. A personality test may be given to assess what?
O A. Individual behavior patterns
O B. Your ability to solve problems
O C. Test actual skills, such as using word processing software
O D. The capacity to acquire certain skills
A personality test may probably be given to assess,
a. individual behavior patterns
We have to given that,
To find A personality test may be given to assess.
Since, We know that.,
Acquiring certain skills or solving problem rarely has to do with personality, while testing actual skills is not a part of one's personality.
Hence, A personality test may probably be given to assess,
a. individual behavior patterns
Thus, The correct option is,
a. individual behavior patterns
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If sin0 =1/2 then what is cos0= and tan0=
i. cos 0 = \(\sqrt{3}\)
ii. tan 0 = 1/ \(\sqrt{3}\)
What are trigonometric functions?Trigonometric functions are a set of given functions which are required in determining the value(s) of the sides or internal angle(s) of a given right angled triangle; when the value of one none right angle is given.
In the given question, we have;
sin 0 = 1/2
This implies that;
sin 0 = opposite/ hypotenuse = 1/2
So that;
opposite = 1
hypotenuse = 2
Apply the Pythagorean's theorem so as to determine its adjacent, we have;
adjacent = \(\sqrt{3}\)
Then,
cos 0 = adjacent/ hypotenuse
= \(\sqrt{3}\) / 1
cos 0 = \(\sqrt{3}\)
ii. tan 0 = opposite/ adjacent
= 1/ \(\sqrt{3}\)
tan 0 = 1/ \(\sqrt{3}\)
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In a test containing 10 questions, (+5) marks are awarded for every correct answer, (-1) mark for every incorrect answer and 0 for not attempting the questions. If Rashid gets 4 correct answers and 6 incorrect answers, what is his score?
Answer:
14
Step-by-step explanation:
10 questions = 4 correct + 6 incorrect
4 correct = 4* 5 = 20
6 incorrect = 6* (-1) = -6
His score is 20 -6 = 14 points
This graph shows the number of miles a freight train travels over a period of time.
Freight Train Travel Rate
What is the slope of the line?
Use the number pad to enter your answer in the box