The nth term of the given quadratic sequence is 2n².
What is quadratic sequence?
The ordered sets of numbers known as quadratic sequences are based on the rule n^2 = 1, 4, 9, 16, 25,.... (the square numbers). Every quadratic sequence has a n^2 term.
Consider, the given quadratic sequence
2, 8, 18, 32, 50, ...
we have to find nth term of this quadratic sequence ; 2 , 8 , 18 , 32, 50, ...
To find the nth term, we have to find the relation between the given terms.
here we see,
1st term = 2 = 2 × 1 × 1 = 2 × 1²
2nd term = 8 = 2 × 2 × 2 = 2 × 2²
3rd term = 18 = 2 × 3 × 3 = 2 × 3²
4th term = 32 = 2 × 4 × 4 = 2 × 4²
similarly 5th term = 2 × 5² = 2 × 25 = 100
...........
so nth term = 2 × n² = 2n²
Hence, the nth term of the given quadratic sequence is 2n².
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What integers or number should be added to -5 to get 4?
Answer:
Here,
x+(-5) = 4
x = 4+5
x = 9
Therefore, 9+(-5) = 4
Lakes corporation has four departments.the double barGraph below shows how many male and female employees are in each department.use this graph to answer the questions
(a) Using the double-bar graph shown in the figure, we can estimate the number of female workers in Sales. The bar reaches some height in the middle of 200 to 250, so we can estimate 225.
(b) Checking the bars, we must select those departments where the gray bar is higher than the red bar.
If happens in.
Advertising
Sales
(c) Counting up the total employees per department, we have that:
Advertising has 150+175=325
Sales has 200+225=425
Production has 250+225=475
Accounting has 240+210=450
Answer: Production
pls hurry! Write the equation for the line in slope-intercept form: y=mx+b.
900,710,003 in expanded form
Answer:
900,000,000+700,000+10,000+3
Answer:
9.00710003 × 10^8 or 900710003
Step-by-step explanation:
Move the decimal so there is one non-zero digit to the left of the decimal point. The number of decimal places you move will be the exponent on the
10. If the decimal is being moved to the right, the exponent will be negative. If the decimal is being moved to the left, the exponent will be positive.
9.00710003 × 10^8
or
Write 900710003 as an equation.
y = 900710003
Hope this helps!
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what is derivative of inverse function
The derivative of its inverse function \(f^{-1}\)(x) evaluated at x = a is:
\([f^{-1}] ^{'} (a)\) = 1/\(f^{'} [f^{-1} (a)]\)
This means that the derivative of the inverse function is the reciprocal of the derivative of the function itself, evaluated at the value of the inverse function.
To see why this is true, start with the function y = \(f^{-1}\)(x) Write this as
x = f(y) and differentiate both sides implicitly with respect to x using the Chain Rule:
1 = \(f^{'}\)(y).dy/dx
dy/dx = 1/ \(f^{'}\)(y)
y = \(f^{-1}\)(x)
At the point
x = a this becomes:
\([f^{-1}] ^{'} (a)\) = 1/\(f^{'} [f^{-1} (a)]\)
We can apply the above technique to find the derivative of f − 1 to find the derivatives of inverse trigonometric functions.
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describes how to perform the Simple Variance Analysis and a
Flexible Variance Analysis
Simple variance analysis compares actual costs with standard costs, while flexible variance analysis incorporates actual activity or output into budget calculations.
Simple Variance Analysis: Determine the standard or budgeted cost for each component of the project or process. Measure and record the actual cost incurred for each component. Calculate the variance by subtracting the actual cost from the standard cost for each component. Analyze the variances to identify the reasons for deviations between the actual and standard costs. Investigate the causes of significant variances and take appropriate corrective actions if necessary.
Flexible Variance Analysis: Determine the flexible budget based on the actual output or level of activity. Calculate the flexible budget variance by subtracting the flexible budget amount from the actual cost or revenue. Calculate the price variance by comparing the actual price per unit with the budgeted price per unit and multiplying it by the actual quantity. Calculate the efficiency variance by comparing the actual quantity with the budgeted quantity and multiplying it by the budgeted price per unit. Analyze the variances to understand the reasons for deviations from the flexible budget. Investigate the causes of significant variances and take appropriate corrective actions if necessary.
Both simple variance analysis and flexible variance analysis are used to compare actual performance against standard or budgeted performance and identify the reasons for deviations. Simple variance analysis focuses on comparing actual costs with standard costs, while flexible variance analysis incorporates the actual level of activity or output into the budget calculations.
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Dustin wants to build a rectangular pen for his animals. One side of the pen will be against the barn; the other three sides will be enclosed with wire fencing. If Dustin has 900 feet of fencing, what dimensions would maximize the area of the pen
According to the question to maximize the area of the pen, the dimensions should be a length of 450 feet and a width of 225 feet.
To maximize the area of the rectangular pen, we need to find the dimensions that use up the entire 900 feet of fencing.
Let's assume the length of the pen is L and the width is W. Since there are three sides that need fencing, we have \(2W + L = 900.\)
To maximize the area, we need to express the area A in terms of a single variable. The area of a rectangle is given by \(A = L * W.\)
From the equation \(2W + L = 900\), we can solve for L to get \(L = 900 - 2W.\)
Substituting this value of L in the equation for the area, we have \(A = (900 - 2W) * W.\)
Expanding and simplifying, we get \(A = 900W - 2W^2.\)
To find the dimensions that maximize the area, we need to find the vertex of the quadratic function \(A = -2W^2 + 900W\). The vertex can be found using the formula \(W = -b / (2a)\), where \(a = -2\) and \(b = 900.\)
\(W = -900 / (2 * -2) = 225.\)
Substituting this value of W back into the equation for L, we have \(L = 900 - 2(225) = 450.\)
Therefore, to maximize the area of the pen, the dimensions should be a length of 450 feet and a width of 225 feet.
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HELP ITS DUE TODAY!!!!!!
Answer: The second one (B)
Hope this helps! :)
Step-by-step explanation:
The times when Hayden made the bracelets in this situation don't matter. All that matters in this problem is how many he made. Since it tells you that he made them for 5 days, you would multiply the number of bracelets by the days, to get the total. (Or write the equation like so: 5*(2+4))
And of course, since they are divided into groups as the last step, we have division.
5*(2+4) /6
15 points!!! Imma mark you brainliest too!! Please help
Meera bought two cows for $10000. If she sold one at the loss of 30% and other at the profit of 30% and she figures out that she sold them for the same price, Find the percentage of profit or loss in whole transaction!!!
Answer:
Step-by-step explanation:
30% off of 10000 is 3000
So the loss is 10000-3000=7000
30% gain on 10000 is 3000
so the gain is 10000+3000=13000
So in all there was no losses or gains. It still equals to 20000
Classify the states of the following Markov chain and select all correct statements. [1 0 0 0 0 0 0 ]
[7/8 1/8 0 0 0 ]
[0001/3 1/2 1/6]
[0 0 1/3 2/3 0]
a)State 1 is absorbing b) States 4 and 5 are periodic c) State 1 is transient d) State 1 is recurrent e) States 3, 4 and 5 are recurrent f) Only state 3 is recurrent
In the given Markov chain, State 1 is absorbing, State 4 is periodic, State 1 is recurrent, and States 3, 4, and 5 are recurrent.
A Markov chain is a stochastic model that represents a sequence of states where the probability of transitioning from one state to another depends only on the current state. Let's analyze the given Markov chain to determine the properties of each state.
State 1: This state has a probability of 1 in the first row, indicating that it is an absorbing state. An absorbing state is one from which there is no possibility of leaving once it is reached. Therefore, statement a) is correct, and State 1 is absorbing.
State 2: There are no transitions from State 2 to any other state, which means it is an absorbing state as well. However, since it is not explicitly mentioned in the question, we cannot determine its status based on the given information.
State 3: This state has non-zero probabilities to transition to other states, indicating that it is not absorbing. Furthermore, it has a loop back to itself with a probability of 1/6, making it recurrent. Hence, statements c) and e) are incorrect, while statement f) is correct. State 3 is recurrent.
State 4: State 4 has a transition probability of 1/3 to State 3, which means there is a possibility of leaving this state. However, there are no outgoing transitions from State 4, making it an absorbing state. Moreover, since there is a loop back to itself with a probability of 2/3, it is also recurrent. Therefore, statement b) is correct, and State 4 is periodic and recurrent.
State 5: Similar to State 4, State 5 has a transition probability of 2/3 to State 3 and no outgoing transitions. Hence, State 5 is also an absorbing and recurrent state. Consequently, statement e) is correct.
To summarize, State 1 is absorbing and recurrent, State 4 is periodic and recurrent, and States 3 and 5 are recurrent.
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A rectangular prism has a length of 6 meters, a height of 8 meters, and a width of 5 meters. What is its volume, in cubic meters?
Answer:
Volume = 240 cubic meters
Step-by-step explanation:
6 x 8 x 5 = 240
(Length x Width x Height)
Select all the expressions that are equivalent to –2412 + 16.15 – 4.
2412 – 16.15 + 4
16.15 – 28.5
–28.5 + 16.15
–2012 + 16.5
12.15 – 2412
Answer:
12.15 -2412.00= - 2399.85
The equivalent expression will be;
⇒ 12.15 - 2412
What is an expression?Mathematical expression is defined as the collection of the numbers variables and functions by using operations like addition, subtraction, multiplication, and division.
Given that;
The expression is,
⇒ - 2412 + 16.15 - 4
Now,
Since, The expression is,
⇒ - 2412 + 16.15 - 4
⇒ - 2412 + 12.15
⇒ 2399.85
From option (i);
⇒ 2412 – 16.15 + 4
⇒ 2412 - 12.15
⇒ 2399.85
Hence, It is not correct.
By option 5;
⇒ 12.15 – 2412
⇒ - 2399.85
Hence, It is correct.
Thus, The equivalent expression after solving,
⇒ 12.15 - 2412
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A strand of human hair is about 5×10*5 meters thick. A strand of goat hair is much thicker, about 1×10*4 meters.
Goat hair is about _____ times as thick as human hair.
Use these numbers to complete the sentence above. Write your answer in standard form, without using exponents.
On evaluating the exponents it is obtained that -
Goat hair is about 0.02 times as thick as human hair.
What is an exponent?
The way of representing huge numbers in terms of powers is known as an exponent. Exponent, then, is the number of times a number has been multiplied by itself.
To find how many times thicker the goat hair is compared to the human hair, we can divide the thickness of goat hair by the thickness of human hair.
Divide the given exponent values -
\(\frac{1 \times 10^4}{5 \times 10^5}\) meters
To simplify this fraction, we can divide both the numerator and denominator by \(5 \times 10^4\) -
\(\frac{\frac{1 \times 10^4}{5 \times 10^4} }{\frac{5 \times 10^5}{5 \times 10^4} }\)
which equals -
1 / 50
In other words, goat hair is about 1 / 50 times as thick as human hair.
We can also express this in standard form without using exponents -
1/50 = 0.02
Therefore, the thickness value is about 0.02 meters.
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Convert the following formula into CNF. Write your answers in set notation, using ! as negation. For example, the formula: (QVPVR)^(-PVQ) would be written: {{0,P,R}, {!P,0}} i. (1 mark) PAQVR) ii. (1 mark) -(PVQ) AR iii. (1 mark) PH-Q iv. (2 marks) -(S+ (-PVQV-R)) v. (2 marks) ( RS) V-QV-P)
The CNF representation in set notation is: {{P, A, Q, V}, {P, A, Q, R}}
The CNF representation in set notation is:{{P, V, Q}, {A}, {R}}
The CNF representation in set notation is:{{!P, H}, {Q}}
The CNF representation in set notation is:{{!S, P}, {!S, V}, {!S, Q}, {!S, V}, {!S, -R}}
The CNF representation in set notation is:{{R, S, -Q}, {R, S, -V}, {R, S, -P}}
To convert the formula (PAQVR) into CNF, we can break it down as follows:
Distribute the disjunction over the conjunction.
PAQVR = (PAQV) ∧ (PAQR)
Convert each clause into sets.
(PAQV) = {{P, A, Q, V}}
(PAQR) = {{P, A, Q, R}}
Combine the clauses using conjunction.
{{P, A, Q, V}} ∧ {{P, A, Q, R}}
The CNF representation in set notation is:
{{P, A, Q, V}, {P, A, Q, R}}
To convert the formula (-(PVQ) AR) into CNF, we can break it down as follows:
Remove the implication.
(-(PVQ) AR) = (!(-(PVQ)) ∨ A) ∧ R
Apply De Morgan's Law and distribute the disjunction over the conjunction.
(!(-(PVQ)) ∨ A) ∧ R = ((PVQ) ∨ A) ∧ R
Convert each clause into sets.
(PVQ) = {{P, V, Q}}
A = {{A}}
R = {{R}}
Combine the clauses using conjunction.
{{P, V, Q}, {A}} ∧ {{R}}
The CNF representation in set notation is:
{{P, V, Q}, {A}, {R}}
To convert the formula (PH-Q) into CNF, we can break it down as follows:
Convert the implication into disjunction and negation.
(PH-Q) = (!P ∨ H) ∨ Q
Convert each clause into sets.
!P = {{!P}}
H = {{H}}
Q = {{Q}}
Combine the clauses using conjunction.
{{!P, H}, {Q}}
The CNF representation in set notation is:
{{!P, H}, {Q}}
To convert the formula (-(S+ (-PVQV-R)) into CNF, we can break it down as follows:
Remove the double negation.
-(S+ (-PVQV-R)) = (!S ∨ (PVQV-R))
Distribute the disjunction over the conjunction.
(!S ∨ (PVQV-R)) = ((!S ∨ P) ∧ (!S ∨ V) ∧ (!S ∨ Q) ∧ (!S ∨ V) ∧ (!S ∨ -R))
Convert each clause into sets.
!S = {{!S}}
P = {{P}}
V = {{V}}
Q = {{Q}}
-R = {{-R}}
Combine the clauses using conjunction.
{{!S, P}, {!S, V}, {!S, Q}, {!S, V}, {!S, -R}}
The CNF representation in set notation is:
{{!S, P}, {!S, V}, {!S, Q}, {!S, V}, {!S, -R}}
To convert the formula ((RS) V-QV-P) into CNF, we can break it down as follows:
Distribute the disjunction over the conjunction.
((RS) V-QV-P) = ((RS ∨ -Q) ∧ (RS ∨ -V) ∧ (RS ∨ -P))
Convert each clause into sets.
RS = {{R, S}}
-Q = {{-Q}}
-V = {{-V}}
-P = {{-P}}
Combine the clauses using conjunction.
{{R, S, -Q}, {R, S, -V}, {R, S, -P}}
The CNF representation in set notation is:
{{R, S, -Q}, {R, S, -V}, {R, S, -P}}
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could someone please help me with this? would be very much appreciated
Answer:
A. 7
B. 6
C. 70 degrees
Answer:
A. x=7
B. x=6
C. x= 40
Step-by-step explanation:
Trust me, I've been doing this kind of problems for 17 years. I'm an algebra teacher.
Two numbers are in ratio 3 by 2 and their difference is 5 find numbers
Answer:
15,10
Step-by-step explanation:
let the numbers be 3x and 2x
3x-2x=5
x=5
∴ numbers are 3×5,2×5
or 15,10
For Miles to win, the spinner must land on the number 6. After spinning the spinner 10 times, and
losing all 10 times, Miles complained that the spinner is unfair! At home, his dad ran 100 simulations of
spinning the spinner 10 times, assuming the probability of winning each spin is. The output of the
simulation is shown in the diagram below.
30-
Silh
10
Frequency
Mean-0.157
SO-0.100
0
0.10 0.20 0.30 0.40 0.50
Proportion of 6's
0.157 ± 2 (0.109)
(-0.061, 0.375)
10.167
Which explanation is appropriate for Miles and his dad to make?
(1) The spinner was likely unfair, since the number 6 failed to occur in about 20% of the simulations
(2) The spinner was likely unfair, since the spinner should have landed on the number 6 by the sixth
spin.
(3) The spinner was likely fair, since the number 6 failed to occur in about 20% of the simulations.
(4) The spinner was likely fair, since in the output the player wins once or twice in the majority of
the simulations.
The correct explanation is (4). The spinner is likely fair, since in the output the player wins once or twice in the majority of the simulations.
How to explain the informationThe spinner is considered fair if the probability of winning each spin is 0.1, which means that the player should win about 1 out of every 10 spins. The output of the simulation shows that in the majority of the simulations, the player won once or twice, which is consistent with the expected probability of winning.
The fact that Miles lost all 10 times when he spun the spinner is just a matter of chance. It is possible to lose 10 times in a row even if the spinner is fair. In fact, the probability of losing 10 times in a row is about 0.1%, which is not very likely, but it is still possible.
Therefore, there is no evidence to suggest that the spinner is unfair. It is more likely that Miles simply lost due to chance.
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need help if anybody can help.
Answer:
46.5
Step-by-step explanation:
Of all straight angles have 180 degrees in them.
So, to find x we need to form this equation:
x + 65 + x - 22 = 180
2x + 43 = 180
2x = 180-43
2x = 137
68.5 degrees = x
68.5-22 = 46.5 degrees.
m<CBD = 46.5 degrees.
m<GBF = also 46.5 degrees because it is a vertical angle to <46.5 degrees.
helpppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppp
Answer:
The first one is 440.0 percent and the second one is 440.0 percent
Step-by-step explanation:
because the first one as a fraction is 44/10 you can turn that as a percent and the second one you will have to move the boxes below the first top left box and then it will equal to 44/10 that turns to 440.0 percent
no problem!!
BRIDGES The lower arch of the Sydney Harbor Bridge can be modeled by g(x) = - 0.0018 * (x - 251.5) ^ 2 + 118 where x in the distance from one base of the arch and g(x) is the height of the arch. Select all of the transformations that occur in g(x) as it relates to the graph of f(x) = x ^ 2
A) vertical compression
B ) translation down 251.5 units C ) translation up 118 units
D ) reflection across the x-axis
E) vertical stretch
F ) translation right 251.5 units G ) reflection across the y-axis
The transformations that occur in function g(x) as it relates to the graph of f(x) = x² are option B and C
What are the transformations of the function?In the given function, the only transformations that occur in the function g(x) as it relates to f(x) are B and C.
In option B, the translation down 251.5 units: In the original function f(x) = x², the graph is centered at the origin (0, 0). However, in g(x) = -0.0018 * (x - 251.5)² + 118, the term (x - 251.5) causes a horizontal shift to the right by 251.5 units. This means that the graph of g(x) is shifted to the right compared to the graph of f(x). Since the term is subtracted, it has the effect of shifting the graph downwards by the same amount, hence the translation down 251.5 units.
Likewise, in option C, the translation up 118 units: In the original function f(x) = x², the graph intersects the y-axis at the point (0, 0). However, in g(x) = -0.0018 * (x - 251.5)² + 118, the term 118 is added to the expression. This causes a vertical shift upwards by 118 units compared to the graph of f(x). So, the graph of g(x) is shifted upwards by 118 units.
Therefore, the transformations that occur in g(x) as it relates to the graph of f(x) = x²are a translation down 251.5 units and a translation up 118 units.
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The numbers 1-11 are placed in a bag. What is the probability of drawing a even number? PLEASE HELP ASAP
Answer:
5/11
Step-by-step explanation:
Between numbers 1 - 11, the evens are 2, 4, 6, 8, and 10. Therefore, there are 5 evens.
Out of the eleven choices in the bag, there are 5 possible choices to be picked out of the 11 total choices.
Therefore, the probability of drawing an even number over the number of choices is 5/11.
Write a polynomial if x-intercepts at x=2, and -3
Answer:
y = x^2 +x -6
Step-by-step explanation:
The two x intercepts would be represented in a polynomial with the expressions (x-2) and (x+3). [we know that each is equal to 0, the y-intercept].
Thus, we can build a polynomial by using both expressions, such as:
(x-2)*(x+3)
= x^2 +x -6
Curtis has a part time job working for a video game store. He is paid a wage of $8 per hour plus 2% commission of his total sales each week. Write a linear equation that represents his weekly salary S.
Let H = Hours Worked
Let C = Commission earned on total sales
The linear equation which can be used to represents Curtis weekly salary is S = 8H + 0.02C
Linear equation that represents weekly salaryCurtis wage per hour = $8Percentage commission = 2%H = Hours WorkedC = Commission earned on total salesS = weekly salaryWeekly salary = Curtis wage per hour(Hours Worked) + Percentage commission(Commission earned on total sales)
S = 8(H) + 2%(C)
S = 8H + 0.02(C)
S = 8H + 0.02C
So therefore, Curtis linear equation for his weekly salary is S = 8H + 0.02C
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given the following method. what is the output when m1(5) is called? public int m1 (int a) { if (a == 1) return 10; else return 10 m1 (a – 1); }
The output when m1(5) is called will be 10. The recursive calls continue until the base case of a = 1 is reached, and at that point, the method returns the value of 10.
The method, m1, is a recursive method that takes an integer parameter 'a'.
When m1(5) is called:
1. The condition (a == 1) is false, so the method moves to the 'else' block.
2. It calls m1(a - 1), which means it calls m1(4).
3. The same process repeats with m1(4), m1(3), m1(2), and finally m1(1).
4. When m1(1) is called, the condition (a == 1) is true, so the method returns 10.
5. The return value of 10 is then propagated back through each recursive call.
Therefore, the output when m1(5) is called will be 10.
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help! it's for a cba :((
Answer:
x = 33
Step-by-step explanation:
103 = 3x +4
99 = 3x
3x = 33
Identify the algebraic expression for the given word phrase.
6 times the sum of r and 9
r (6 + 9)
6 (r + 9)
6r + 9
6 + r + 9
helpp!
Answer:
6 (r + 9)
Step-by-step explanation:
6 times the sum of r and 9 means 6 (r + 9)
Do the following represent functions? Explain your reasoning y = -7x + 8
The expression is:
\(y=-7x+8\)To be a function this has to have a unique values of y for each values of x, son in this case the expression has the form of a linear function that is equal to:
\(y=mx+b\)So So for example if i replace x = 1:
\(\begin{gathered} y=-7(1)+8 \\ y=1 \end{gathered}\)There is not other number that I can give to x that the output of y will be equal to 1, this means that the expression y = -7x + 8 is a function
Assume that the rate of change of the supply of a commodity is proportional to the difference between the demand and the supply, so that
d
s
d
t
=
k
(
D
−
S
)
where k is a constant of proportionality. Suppose that D is constant and S
(
0
)
=
S
0
. Find a formula for S(t).
This is the solution to the differential equation dS/dt = k(D - S), subject to the initial condition S(0) = S0.
We can solve the differential equation by separating variables and integrating both sides:
dS/dt = k(D - S)
dS/(D - S) = k dt
Integrating both sides, we get:
-ln|D - S| = kt + C
where C is an arbitrary constant of integration. We can solve for S by taking the exponential of both sides and solving for |D - S|:
|D - S| = e^(-kt - C) = Ce^(-kt)
where C = e^C. We can assume that S(0) = S0, so we have:
|D - S0| = Ce^0 = C
Since |D - S| is always non-negative, we can drop the absolute value signs and write:
D - S = Ce^(-kt) or S = D - Ce^(-kt)
To determine the constant C, we use the initial condition S(0) = S0:
S(0) = D - Ce^(-k*0) = D - C = S0
Therefore, C = D - S0, and the formula for S(t) becomes:
S(t) = D - (D - S0)e^(-kt) = S0 + (D - S0)(1 - e^(-kt))
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Find X please
no link, will report
Answer:
5
Step-by-step explanation:
its not 6 because its about 2 units. here's a tip: whenever you have a longer side than side X just shift side x into the longer side and see how many units separate it.
Find the following for the given equation. r(t) = (e^-t, 2t^2, 5 tan(t)) r'(t) = r"(t) = Find r"(t).r"(t). Find the open interval(s)
The open interval(s) = (-∞, ∞).
Given , r(t) = (e^-t, 2t^2, 5 tan(t))
Differentiating r(t) to get the first derivative of r(t) r'(t).r'(t) = Differentiating r'(t) to obtain the second derivative of r(t) r"(t).
Now, differentiate the r'(t) to obtain the second derivative,
r"(t)r(t) = (e^-t, 2t^2, 5 tan(t))r'(t) = (-e^-t, 4t, 5 sec²(t))
Again, Differentiating r'(t) to obtain the second derivative of r(t) r"(t).r"(t) = (e^-t, 4, 10 tan(t) sec²(t) )
The open interval(s) for the given function will be the domain of the function.
Here, as all the three components of the function are continuous, the function will be continuous for all t.
Therefore, the open interval(s) is (-∞, ∞).
Hence, the required values are:r"(t) = (e^-t, 4, 10 tan(t) sec²(t) )
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