Answer:
B
Step-by-step explanation:
I think you are right
Hope it helps
If a = –2.6, what is the value of –a?
2.6
2
–2
–2.6
Answer:
2.6
Step-by-step explanation:
If a = -2.6 then -a = -(-2.6) = 2.6
If M=1,000,P=2.25, and Y=2,000, what is velocity? a. 2.25 b. 4.5 c. 2 d. None of the above is true
Answer:d
Step-by-step explanation:
The answer is d. None of the above is true.
To calculate velocity, we need to use the equation:
Velocity = M * P / Y
Given:
M = 1,000
P = 2.25
Y = 2,000
Plugging in the values:
Velocity = 1,000 * 2.25 / 2,000
Simplifying:
Velocity = 2.25 / 2
The result is:
Velocity = 1.125
Therefore, the correct answer is: d. None of the above is true.
Learn more about velocity
https://brainly.com/question/30559316
Can 0.06 be rational or irrational???
Step-by-step explanation:
it would be irrational insta dfl.jacob if you need more help
Answer:
Rational
Step-by-step explanation:
0.06=3/50
What is e=mc^2 for m?
Find the volume of the composite figure please help me I don’t understand it thankyou
Answer:
i dont eather i need to know the ?
Step-by-step explanation:
What is 0.08 divided by 280
Answer:
0.000285714286 or unless you ment 280 divided by 0.08 cuz thats a diferent question and would be 3500
dan science magazine has a mass of 256.674 grams. what is the mass of his magazine rounded to the nearest tenth
Answer:
256.700 grams
Step-by-step explanation
the immediate number after the decimal is at the tenth position.
so, we will round off 6 by looking at the number next to it:
as the number next to it is greater than 5 so 1 will be added to the number in tenth position for rounding.
thus, the mass of his magazine rounded to the nearest tenth is,
256.700 grams
WILL MARK YOU BRAINLIEST
107 in the verse of 180 the whole turn will evaluate to 73.
Step-by-step explanation:
Consider the intonomoul ODE61=x−4. (a) Find the critical points (equilibrium solutions) of the ODE (b) Draw the phase diagram for this differential equation. (c) Determine whether each critical point is stable of unstable. (d) If x(0)=−1, what value will x(t) approach as t inereases? (e) Sketch typical solution curves of the given differential equntion. Draw these curves in a graph separate from your phase line. Be sure to include grapls of all equillibrium nolutions and be sure to label the axes. 2. Consider the autonomous ODE dt2π=x2−5x+4 (a) Find the critical points (equilibrium solutions) of the ODE: (b) Draw the phase diagram for this differential equation. (c) Determine whether ench critical point is stable of unstable. (d) If x(1)=3, what value will x(t) approach as t increases? (e) Sketch typical nolution curves of the given differential equation. Draw this curves in a graph separate from yout phase line. Be sure to include graphs of all equitlibrium solutions and be suwe to label the nxes. 3. Suppose that a fish population P(t) in a lake kn attacked by a disense at time t=0. with the result that the fish ceese to reproduce (so that the birth rate is β=0 ) and the death rate δ (denthe per wrek per fish) is thimmafter proportional to p
1. If there were initially 900 fish in the lake and 411 were left after 6 weeks, how long dad it take all the fish in the lake to die? 4. Suppose that when a certuli lake is storiked with fish, the hirth and death nates 8 and δ are both inversely proportional to P
and that P(0)=P0. (a) Set up an IVP to model this syotem. (b) Find the solition to the IVP in purt (a). (Answer: P(t)=(21kt+R
)2, where k is a cotstant ) (c) If P0=100 and after 6 monthe there are 169 fish in the lake, haw mathy will thare be after 1 year?
To sketch typical solution curves, we plot the function x(t) = 4 - 5e^t on a separate graph, labeling the axes and including the equilibrium solution x = 4. For the second set of questions, please provide the autonomous ODE and any other relevant information.
To find the critical points (equilibrium solutions) of the ODE, we set the right-hand side of the equation equal to zero: x - 4 = 0 Solving this equation, we find: x = 4. So the critical point (equilibrium solution) of the ODE is x = 4.
To draw the phase diagram for this differential equation, we plot the critical point (equilibrium solution) x = 4 on the x-axis. Since this is a first-order equation, there is only one critical point and no other solution curves.
To know more about autonomous visit:
https://brainly.com/question/32064649
#SPJ11
(a) To find the critical points (equilibrium solutions) of the ODE, we set the equation equal to zero and solve for x: x - 4 = 0. Solving this equation, we find x = 4. Therefore, the critical point (equilibrium solution) of the ODE is x = 4.
(b) To draw the phase diagram for this differential equation, we need to determine the behavior of the ODE for different values of x.
By substituting values greater and smaller than 4 into the ODE, we can see that for x > 4, the ODE is positive, and for x < 4, the ODE is negative.
This means that the graph of the phase diagram will have an arrow pointing towards x = 4 on one side and an arrow pointing away from x = 4 on the other side.
(c) The critical point x = 4 is stable because the ODE approaches this value when x is slightly perturbed from 4.
(d) If x(0) = -1, as t increases, x(t) will approach the equilibrium solution x = 4.
(e) To sketch typical solution curves of the given differential equation, we need to consider different initial conditions.
One possible solution curve could start at x = -1 and approach x = 4 as t increases. Another solution curve could start at x = 5 and move away from x = 4 as t increases.
The phase line graph should have x = 4 as the critical point, and the axes should be labeled accordingly.
learn more about : equilibrium solutions
https://brainly.com/question/517289
#SPJ 11
If a sample of 40 units of output found 500 defects, then the center line for monitoring the average number of defects per unit of output would be.
In this case, with 500 defects and a sample size of 40 units of output, the center line would be 12.5 defects per unit of output.
To determine the center line for monitoring the average number of defects per unit of output, we divide the total number of defects by the sample size. In this scenario, the sample consists of 40 units of output, and there are 500 defects.
Therefore, the center line would be calculated as 500 defects divided by 40 units of output, resulting in an average of 12.5 defects per unit of output. This center line serves as a reference point for monitoring and comparing future defect rates.
If the average number of defects per unit of output exceeds this center line, it may indicate a need for process improvements or corrective actions.
Learn more about sample size:
brainly.com/question/30100088
#SPJ11
javeria left home at 7:10, she walked for 15 mins to the station and walked for 10 mins for a train. she then travelled by train for 45 mins.
at what time did javeria get off the train?
a) 8:25
b) 8:20
c) 8:15
d) 8:10
Answer: Its B 8:20
Step-by-step explanation:
U get this by adding the 15 minutes to the 7:10 and then u get 7:25 then you add the 10 and u get 7:35 then you add the 45 and you get 8:20
The time at which Javeria gets off the train is 8:20 thus option (b) is correct.
What are work and time?Work is the completion of any task for example if you have done your homework in 5 hours then you have done 5 hours.
Another example of work is that if you have done your food by 1 hour it means your work duration is 1 hour so work is basically the time duration of any task which you have done.
As per the given,
Javeria left home at 7:10.
Add 15 + 10 + 45 = 70 minutes.
70 minutes = 1 hour + 10 minutes or 1:10
Add into 7:10 as
7 + 1:10 + 10
8:20
Hence "The time at which Javeria gets off the train is 8:20".
For more information about the work and time relation,
brainly.com/question/6912604
#SPJ2
Angle QRD is a straight angle. The measure of <2 is 60° more than the measure of <1.
What is the measure of <1
The measure of Angle 1 is 60°
What is an Angle?Angles are formed when two lines intersect at a point. The measure of the 'opening' between these two rays is called an 'angle'. It is represented by the symbol ∠. Angles are usually measured in degrees and radians, which is a measure of circularity or rotation.
If ∠2 is 60° more than ∠1,
then ∠2 = ∠1 + 60
so ∠1 + ∠2 = 180° ( sum of angles on a straight line)
substituting ∠2 = 60 + ∠1
Equation becomes
∠1 + ∠1 + 60 = 180
2∠1 + 60 = 180
2∠1 = 180 - 60
2∠1 = 120
∠1 = 120/2
∠1 = 60°
In conclusion the value of ∠1 is 60°
Learn more about angles on a straight line: https://brainly.com/question/28109229
#SPJ1
Drag the tiles to the correct boxes to complete the pairs. Not all tiles will be used. Simplify the complex numbers using de Moivre's Theorem and match them with their solutions 2(3+1) 2. cos(20°) + sin(20°)] 2[ coo(4)+isin(7)]* (-1+i) -41 (1+1) -16 4+4731 Reset Next
The complex numbers are solved using De Moivre's Theorem and then are matched with their respective solutions.
What is De Moivre's Theorem?
De Moivre's formula, also known as the theorem and identity of de Moivre, says that for any real number x and integer n, holds -
(cos x + i sin x)^n=cos nx + i sin nx
where i is the imaginary unit (i^2 = 1).
Also, [r(cos x + i sin x)]^n = r^n(cos nx + i sin nx) or [r cis x]^n = [r^n cis nx].
The first complex number is (1+i)^5.
Solve using De Moivre's formula -
(1+i)^5 = [√2{(1/√2)+(i/√2)}^5]
=(√2)^5[cos(π/4)+i sin(π/4)]^5
=(√2)^5[cos(5π/4)+i sin(5π/4)]
=(√2)^5[(-1/√2)-(i/√2)]
=4(-1-i)
=-4-4i
The second complex number is (-1+i)^6.
Solve using De Moivre's formula -
(-1+i)^6=(1-i)^6
=[√2{(1/√2)-(i/√2)}^6]
=(√2)^6[cos(-π/4)+i sin(-π/4)]^6
=(√2)^6[cos(-6π/4)+i sin(-6π/4)]
=8(0+1i)
=8i
The third complex number is 2[cos(20)+i sin(20)]^3.
Solve using De Moivre's formula -
2[cos(20)+i sin(20)]^3=2^3[cos(60)+i sin(60)]
=8[(1/2)+{(√3)i/2}]
=4+4√3i
The last complex number is 2[cos(π/4)+i sin(π/4)]^4.
Solve using De Moivre's formula -
2[cos(π/4)+i sin(π/4)]^4=2^4[cos(4π/4)+i sin(4π/4)]
=16[cos(π)+i sin(π)]
=16(-1+i(0)]
=-16
Therefore, the complex numbers are solved using the theorem.
To learn more about De Moivre's theorem from the given link
https://brainly.com/question/17120893
#SPJ4
Find The Distance Between4.5 And -1.4. ( i Need A Answer Right Now Pleaseeeeee!!!!!!
Answer:
5.9
Step-by-step explanation:
The distance between a point A and a point B is A-B. (4.5) - (-1.4) is the same as 4.5 + 1.4 so your answer is 5.9
Answer:
Step-by-steDistance between
(
−
4.5
,
−
4.5
)
and
(
3.5
,
3.5
)
is
8
√
2p explanation:
Hence distance between
(
−
4.5
,
−
4.5
)
and
(
3.5
,
3.5
)
is given by
√
(
3.5
−
(
−
4.5
)
)
2
+
(
3.5
−
(
−
4.5
)
)
2
=
√
8
2
+
8
2
=
√
64
+
64
=
√
128
=
√
8
2
×
2
=
8
√
2
Place these number in order from greatest to least.
-7/5, 16, -1, 3.2, -6.5, 0, 3/4,
Answer:
Step-by-step explanation:
First, change the fractions into decimals, then use the knowledge of the number line system to know which is greater or smaller than who.
-7/5 -1.4
3/4 0.75
so the numbers are -1.4, 16, -1, 3.2, -6.5, 0, 0.75
from greatest to least:
= 16, 3.2, 0.75, 0, -1, -1.4, -6.5
Need help with this thank you
Answer: x=56
Step-by-step explanation:
I started off by figuring out what’s the total internal angles for a pentagon which is 540
Then i did 72+ 3x +2x+89+99 = 540
And i solved for x=56
Find the first and second derivatives. 5 y = - 4x® - 9 11
We are given a function y = -4x^3 - 9x^11, and we need to find its first and second derivatives.
To find the first derivative, we apply the power rule and the constant multiple rule. The power rule states that the derivative of x^n is nx^(n-1), and the constant multiple rule states that the derivative of kf(x) is k*f'(x), where k is a constant. Applying these rules, we can find the first derivative of y = -4x^3 - 9x^11.
Taking the derivative term by term, the first derivative of -4x^3 is -43x^(3-1) = -12x^2, and the first derivative of -9x^11 is -911x^(11-1) = -99x^10. So, the first derivative of y is dy/dx = -12x^2 - 99x^10.
To find the second derivative, we apply the same rules to the first derivative. Taking the derivative of -12x^2, we get -122x^(2-1) = -24x, and the derivative of -99x^10 is -9910x^(10-1) = -990x^9. Therefore, the second derivative of y is d^2y/dx^2 = -24x - 990x^9.
To know more about derivatives click here: brainly.com/question/25324584
#SPJ11
The angle of depression of points P
on the ground from the top T of a building is 23.6, if the distance from P to the foot of the building is 50m. Calculate the height of the building. Correct to the nearest metre.
Answer:
The height of the building is approximately 55 meters.
Step-by-step explanation:
Let's call the height of the building "h" and the distance from point P to the foot of the building "d".
According to the problem, we have:
d = 50m
T = 23.6m
Using the Pythagorean theorem, we know that:
h^2 = T^2 + d^2
Substituting the values we have:
h^2 = (23.6m)^2 + (50m)^2
h^2 = 556.96m^2 + 2500m^2
h^2 = 3056.96m^2
Taking the square root of both sides, we get:
h = sqrt(3056.96m^2)
h = 55.28m
Rounding to the nearest meter, we get:
h ≈ 55m
Therefore, the height of the building is approximately 55 meters.
Decide if each expression is equivalent to 2^6 or 4^4
\(\huge\text{Hey there!}\)
\(\mathsf{2^6 = 2\times2\times2\times2\times2\times2}\\\mathsf{2\times2\times2\times2\times2\times2}\\\mathsf{2\times2=4}\\\mathsf{4\times4\times4}\\\mathsf{4\times4=16}\\\large\mathsf{16\times4=64}\\\mathsf{2^6 = \bf{64}}\)
\(\mathsf{4^4=4\times4\times4\times4}\\\mathsf{4\times4\times4\times4}\\\mathsf{4\times4=16}\\\mathsf{16\times16}\\\mathsf{16\times16=256}\\\mathsf{4^4=\bf{256}}\)
\(\boxed{\boxed{\mathsf{Answer: 64\neq 256}}}\huge\checkmark\)
\(\text{Good luck on your assignment and enjoy your day!}\)
~\(\frak{Amphitrite1040:)}\)
What is the slope of a line that goes through (-3,-2) and (3,0)
Answer:
Slope is ⅓
Step-by-step explanation:
\({ \tt{slope = \frac{y_{2} - y _{1} }{x _{2} - x_{1}} }} \\ \)
y_1 is -2y_2 is 0x_1 is -3x_2 is 3\({ \tt{slope = \frac{0 - ( {}^{ - } 2)}{3 - ( {}^{ - }3) } }} \\ \\ { \tt{slope = \frac{2}{6} }} \\ \\ { \tt{slope = \frac{1}{3} }}\)
consider the system of equations find a linearly independent pair of solutions. please denote exponentiation with exp(a*t) rather than e**(a*t) or e^(a*t)
The general solution to the system of equations is:
x(t) = c1*[1, 1]*exp(0*t) + c2*[1, -1]*exp(2*t)
where c1 and c2 are constants.
To find a linearly independent pair of solutions for the given system of equations, we first need to find the eigenvalues and eigenvectors of the coefficient matrix.
The coefficient matrix is
[ 1 -1 ]
[ 1 -1 ]
The characteristic equation is:
det(A - λI) = 0
where A is the coefficient matrix, λ is the eigenvalue and I is the identity matrix.
Substituting the values we get,
det( [1-λ -1 ] ) = (1-λ)(-1) - (-1)(-1) = λ^2 - 2λ = 0
[-1 1-λ]
Solving for λ, we get λ=0, λ=2.
Now we need to find the eigenvectors for each eigenvalue λ.
For λ=0, we have:
(A - 0I)x = 0
[1 -1] [x1] [0]
[1 -1] [x2] = [0]
This gives us the equation x1 = x2. Thus, any vector of the form [t, t] where t is any non-zero constant will be an eigenvector corresponding to λ=0.
For λ=2, we have:
(A - 2I)x = 0
[-1 -1] [x1] [0]
[ 1 -1] [x2] = [0]
This gives us the equation x1 + x2 = 0. Thus, any vector of the form [t, -t] where t is any non-zero constant will be an eigenvector corresponding to λ=2.
Therefore, a linearly independent pair of solutions is:
x1 = [1, 1], corresponding to λ=0
x2 = [1, -1], corresponding to λ=2
So the general solution to the system of equations is:
x(t) = c1*[1, 1]*exp(0*t) + c2*[1, -1]*exp(2*t)
where c1 and c2 are constants.
To learn more about equations visit:
https://brainly.com/question/29538993
#SPJ11
Explain the steps you use to solve the equation: 2(x-2) =26
Solution:
Simplify the distributive property and solve.
2(x - 2) = 26=> 2x - 4 = 26=> 2x = 26 + 4=> 2x = 30=> x = 15The solution to the equation is 15.
Your required solution :
Let us solve this equation..!!
Firstly multiplying 2 by (x - 2)
⇒ 2 × (x - 2) = 26
⇒ 2x - 4 = 26
On transposing -4 to R.H.S. it would be positive,
⇒ 2x = 26 + 4
⇒ 2x = 30
On dividing 30 by 2 we gets,
⇒ x = 30/2
⇒ x = 15
Therefore, value of x is 15.
what is the probability that four aces appear together when a pack of 52 cards is shuffled completely?
0.000004% is the probability that four aces appear together when a pack.
What in mathematics is probability?
The simple definition of probability is the likelihood that something will occur. We can discuss the probabilities of various outcomes—how likely they are—when we aren't sure how a particular event will turn out.
Statistics describes the examination of events subject to probability.
The first ace is a 4 aces and 52 cards = 4/52 chance
there are three aces left and 51 cards in total.
The second ace is 3/51,
since,
The third ace = 2/50 (1/25)
the fourth is 1/49.
= 4/52 * 3/51 * 1/25 * 1/49
= 1/270725
= 0.000004%.
Learn more about probability
brainly.com/question/30034780
#SPJ4
Please answer the two questions in the photo ( will mark brainliest if correct )
Please Help:
Select all the correct locations on the flowchart.
Select the steps that show how to solve the following equation for x.
You can just Say "Step 1: Box__, Step 2: Box__, Step 3: Box__, Step 4: Box__."
Thanks in advance!!
Answer:
Step 1: Box A
Step 2: Box C
Step 3: Box A
Step 4: Box B
Step-by-step explanation:
Find the indicated measure. Round to the nearest tenth.
Find the radius of a circle with an area of 271 square inches.
The radius of a circle with an area of 271 square inches is,
⇒ r = 9.3 inches
We have to give that,
An area of a circle is,
A = 271 square inches.
Since We know that,
The area of the circle is,
A = πr²
Where r is the radius of the circle.
Substitute A = 271 square inches in the above formula,
271 = 3.14 × r²
r² = 271 / 3.14
r² = 86.3
r = √86.3
r = 9.3 inches
Therefore, The radius of a circle with an area of 271 square inches is,
⇒ r = 9.3 inches
To learn more about the circle visit:
https://brainly.com/question/24810873
#SPJ4
What is the solution to the inequality?
17 < 9 + x
A. x < 8
B. X26
C. x >8
O D. *> 26
Answer:
A. x<8
Step-by-step explanation:
17 < 9 + x
subtract 9 from both side
17-9 < 9-9 + x
8 < x
I hope it helps (✷‿✷)
Identify the segment bisector of XY
The midpoint (W) of XY is also on segment PQ, so PQ is the bisector of XY.
Hope it helps you :)
10. Set up and evaluate the definite integral for the area of the surface generated by revolving the curve a) (3 pts.)y= 6x 3+ 2x1 ,1≤x≤2, about the x-axis; b) (3 pts.) x= 4y−1,1≤y≤4, about the y-axis.
The definite integral for the area of the surface generated by revolving the curve y = 6x^3 + 2x about the x-axis, over the interval 1 ≤ x ≤ 2, can be set up and evaluated as follows:
∫[1 to 2] 2πy √(1 + (dy/dx)^2) dx
To calculate dy/dx, we differentiate the given equation:
dy/dx = 18x^2 + 2
Substituting this back into the integral, we have:
∫[1 to 2] 2π(6x^3 + 2x) √(1 + (18x^2 + 2)^2) dx
Evaluating this definite integral will provide the surface area generated by revolving the curve about the x-axis.
b) The definite integral for the area of the surface generated by revolving the curve x = 4y - 1 about the y-axis, over the interval 1 ≤ y ≤ 4, can be set up and evaluated as follows:
∫[1 to 4] 2πx √(1 + (dx/dy)^2) dy
To calculate dx/dy, we differentiate the given equation:
dx/dy = 4
Substituting this back into the integral, we have:
∫[1 to 4] 2π(4y - 1) √(1 + 4^2) dy
Evaluating this definite integral will provide the surface area generated by revolving the curve about the y-axis.
By setting up and evaluating the definite integrals for the given curves, we can find the surface areas generated by revolving them about the respective axes. The integration process involves finding the appropriate differentials and applying the fundamental principles of calculus.
To know more about integral follow the link:
https://brainly.com/question/33191486
#SPJ11
noah works at a coffee shop that offers a special limited edition drink during the month of june. it is always a hassle to get his colleagues to agree on the special drink, so he started providing them with a different sample each morning starting well before june. one day, every employee agreed that the daily sample would be a good choice to use as the limited edition beverage in june, so they chose that drink as the special and didn’t taste any more samples. escalation satisficing intuition brody is an experienced manager who needs to hire a new financial analyst. there are five people who might be right for the job. when brody meets the first applicant, he knows instantly that he doesn’t like her and doesn’t want her working for him. as a result, he cuts short his interview with her and moves on to the next candidate. satisficing escalation intuition last month, the pilots association held a meeting to discuss its plans for next year. last year, the group spent more than $50,000 to develop plans for a new airport hub. the hub was criticized by airport officials, who suggested that they would not be interested in the project at any time. the group decided to continue developing their plans, because they had already invested so much in the project. intuition satisficing escalation choose the best answer to complete the sentence. mikaela started attending a zumba class on tuesday and thursday afternoons and found that it gave her a good workout, so that has been her exercise routine ever since. the involved in this decision-making process ensures mikaela exercises on a regular schedule.
The decision-making process involved in Mikaela's decision to attend a Zumba class on Tuesday and Thursday afternoons and make it her regular exercise routine is "escalation."
In the scenario described, Mikaela initially started attending the Zumba class on Tuesday and Thursday afternoons. She found that it gave her a good workout and was satisfied with the results. As a result, she continued attending the class on those days and made it her regular exercise routine. This decision to stick to the same schedule without considering other options or making changes over time is an example of escalation.
Escalation in decision-making refers to the tendency to persist with a chosen course of action even if it may not be the most optimal or efficient choice. It occurs when individuals continue to invest time, effort, and resources into a decision or course of action, even if there may be better alternatives available. In this case, Mikaela has decided to stick with the Zumba class on Tuesday and Thursday afternoons because she found it effective and enjoyable, and she hasn't explored other exercise options since then.
It's important to note that escalation may not always be the best approach in decision-making. It's always a good idea to periodically reassess and evaluate the choices we make to ensure they still align with our goals and needs. Mikaela might benefit from periodically evaluating her exercise routine to see if it still meets her fitness goals and if there are other options she could explore for variety or improved results.
To know more about decision-making process refer here:
https://brainly.com/question/33697402
#SPJ11