Answer:
is that so ur answer
sry if its wrong
HELP WILL MARK BRAINLY
a rat is trapped in a maze. initially it has to choose one of two directions. if it goes to the right, then it will wander around in the maze for three minutes and will then return to its initial position. if it goes to the left, then with probability 13 it will depart the maze after two minutes of traveling, and with probability 23 it will return to its initial position after five minutes of traveling. assuming that the rat is at all times equally likely to go to the left or the right, what is the expected number of minutes that it will be trapped in the maze?
The expected number of minutes that the rat will be trapped in the maze is 2.295 minutes.
The expected number of minutes that the rat will be trapped in the maze can be calculated by using the expected value formula. The expected value is the sum of each possible outcome multiplied by its respective probability. In this case, the possible outcomes are the time spent in the maze for the left and right directions. The formula for expected value can be written as:
E(X) = (2 minutes x 13% chance) + (5 minutes x 23% chance) + (3 minutes x 64% chance)
E(X) = 0.26 + 0.115 + 1.92 = 2.295
Therefore, the expected number of minutes that the rat will be trapped in the maze is 2.295 minutes. This result is based on the assumption that the rat is equally likely to go to the left or right at all times.
Learn more about probability here:
https://brainly.com/question/30034780
#SPJ4
What is the solution set?
(2, 0)
(7, 0)
(0, -2)
(5, 3)
plz help !!!!!!!!!!!!!!!!!!!!!!
Answer:
3rd option: 2 1/2 ÷ 1/6
Step-by-step explanation:
2 1/2 ÷ 1/6 = 5/2 × 6/1 = 15mph
Find all points (x,y)
on the graph of y=
x
x−3
with tangent lines perpendicular to the line y=3x−1.
To find the points (x, y) on the graph of y = x/(x - 3) where the tangent lines are perpendicular to the line y = 3x - 1, we need to find the values of x that satisfy this condition.
First, let's find the derivative of the function y = x/(x - 3). Using the quotient rule, the derivative is given by:
dy/dx = [(x - 3)(1) - x(1)] / (x - 3)^2
= -3 / (x - 3)^2
Next, we find the slope of the line y = 3x - 1, which is 3.
For two lines to be perpendicular, the product of their slopes should be -1. Therefore, we have:
-3 / (x - 3)^2 * 3 = -1
Simplifying the equation, we get:
(x - 3)^2 = 9
Taking the square root of both sides, we have:
x - 3 = ±3
Solving for x, we get two values:
x = 6 and x = 0
Now, substituting these values back into the equation y = x/(x - 3), we find the corresponding y-values:
For x = 6, y = 6/(6 - 3) = 2
For x = 0, y = 0/(0 - 3) = 0
Therefore, the points (x, y) on the graph of y = x/(x - 3) with tangent lines perpendicular to the line y = 3x - 1 are (6, 2) and (0, 0).
To learn more about tangent lines click here: brainly.com/question/16795885
#SPJ11
Answer the question below
Answer:
all the answers you have are correct!!!
Step-by-step explanation:
James conducted an experiment with 4 possible outcomes. He determined that the experimental probability of event A happening is 10 out of 50. The theoretical probability of event A happening is 1 out of 4. Which action is most likely to cause the experimental probability and theoretical probabilities for each event in the experiment to become closer? removing the last 10 trials from the experimental data completing the experiment many more times and combining the results to the trials already done including a fifth possible outcome performing the experiment again, stopping immediately after each event occurs once
Answer:
Completing the experiment a few more times and combining the results to the trails already done.
Answer:
Completing the experiment a few more times and combining the results to the trails already done.
Step-by-step explanation:
What is the result when this equation is solved for y?
4x²+10x-2y=6
Answer:
B. y = 2x² + 5x - 3
Step-by-step explanation:
\(4x^2+10x-2y=6\\\\4x^2+10x-2y-4x^2-10x=6-4x^2-10x\\\\-2y=-4x^2-10x+6\\\\\frac{-2y}{-2}=\frac{-4x^2-10x+6}{-2}\\\\y=2x^2+5x-3\)
The result when the equation is solved for y is y = 2x² + 5x - 3.
To solve the equation 4x² + 10x - 2y = 6 for y, follow these steps:
Step 1: Move all terms containing y to one side of the equation:
4x² + 10x - 6 = 2y
Step 2: Divide both sides of the equation by 2 to isolate y:
(4x² + 10x - 6) / 2 = y
Step 3: Simplify the right side of the equation:
y = 2x² + 5x - 3
So, the result when the equation is solved for y is y = 2x² + 5x - 3.
To know more about equation:
https://brainly.com/question/10724260
#SPJ2
I understand the answer to simplifying it, i want a mathematical expression of the method of simplifying to know how to show my work
Answer:
This is how I would approach it
Step-by-step explanation:
Please help 50 points!
d=10
Answer:
Solution given:
\(\sqrt{25+3x}=d+2x\)
squaring both side
25+3x=(d+2x)²
when x=-3
25+3*-3=(d+2*-3)²
25-9=(d-6)²
16=(d-6)²
\(\sqrt{16}=d-6\)
4=d-6
d=4-6
d=10
Answer:
d = 6
Step-by-step explanation:
\( \sqrt{25 + 3( - 3)} = d + 2( - 3) \\ 4 = d - 6 \\ d = 10\)
hopefully this makes sense
:)
Imagine some DEQ: y'=f(x,y), which is not given in this exercise.
Use Euler integration to determine the next values of x and y, given the current values: x=2, y=8 and y'=9. The step size is delta_X= 5. 2 answers
Refer to the LT table. f(t)=6. Determine tNum,a,b and n. 4 answers
Using Euler integration, the next values of x and y can be determined as follows:
x_next = x_current + delta_X
y_next = y_current + delta_X * y'
What are the updated values of x and y using Euler integration?Euler integration is a numerical method used to approximate solutions to differential equations. It is based on the concept of dividing the interval into small steps and using the derivative at each step to calculate the next value. In this case, we are given the current values of x=2, y=8, and y'=9, with a step size of delta_X=5.
To determine the next values of x and y, we use the following formulas:
x_next = x_current + delta_X
y_next = y_current + delta_X * y'
Substituting the given values into the formulas, we have:
x_next = 2 + 5 = 7
y_next = 8 + 5 * 9 = 53
Therefore, the updated values of x and y using Euler integration are x=7 and y=53.
It's important to note that Euler integration provides an approximate solution and the accuracy depends on the chosen step size. Smaller step sizes generally lead to more accurate results. Other numerical methods, such as Runge-Kutta methods, may provide more accurate approximations.
Learn more about integration
brainly.com/question/30900582
#SPJ11
Compare the expressions if a is less than b
-12.7a...-12.7b
What sign should be between -12.7a and -12.7b?
The required sign between -12.7a and -12.7b should be greater than sign (>).
If a is less than b, then -12.7a will be greater than -12.7b, because multiplying a smaller number by a negative constant (-12.7 in this case) will result in a larger negative value than multiplying a larger number by the same constant.
To see this, suppose we have two positive numbers x and y such that x < y. Then, multiplying both by a negative constant c will result in two negative numbers with magnitudes that are greater for x:
cx < cy, because c is negative and (x < y)
Therefore, if a is less than b, then:
-12.7a > -12.7b
So the sign between -12.7a and -12.7b should be greater than sign (>).
Learn more about inequality here:
https://brainly.com/question/20383699
#SPJ1
11) Solve -6x + 5 = -19.
Answer:
-6
Step-by-step explanation:
please help like right now
Answer:
y-interceptSloperise over runnegativepositiveUndefinedZeroSlopey-interceptStep-by-step explanation:
I'm not sure about what the answer is for the last two questions. If somebody else does know please right it in the comment section. :)
The number of miles driven by Tanisha varies directly with the number of gallons she
used.
Number of Gallons Used Number of Miles Driven
172.8
288
748.8
6
10
26
How many miles would she drive on 22 gallons?
Answer: Tañísh’ Ec poco la vans two 3 mph
Step-by-step explanation:
A -4 nc point charge is located at -3 m along the x-axis. what is the electric potential at the origin?
The electric potential at the origin is 11.9834 ×\(10^{9}\) .
What is electric potential?V = k (q/r)
V = 8.98755 × \(10^{9}\) ×(-4/3)
V= 11.9834 ×\(10^{9}\) is the the electric potential at the origin.
The effort required to transfer a unit charge against an electric field from a reference point to a specified spot.
Electric potential difference is the potential created when a charge is moved from one point to another within the field itself, whereas electric potential is the effort done per unit charge to transport the charge from infinity to a point in the electric field.
The amount of work required to move a unit positive charge from infinity to a particular point in an electric field is called the electric potential.
To learn more about electric potential from the given link:
brainly.com/question/12645463
#SPJ4
Flynn has $12 and he earns $8 for every hour he works. Which equation shows how many dollars, d, that Flynn has after h hours.
Abdul deposited $460 into a savings account that has a simple interest rate of 3.5%. Isaac deposited $550 into a savings account that has a simple interest rate of 2.8%. Who earned more interest in one year?
Answer:
Adbul earned more interest
Step-by-step explanation:
3.5% of 460 = 16.1
2.8% of 550 = 15.4
Adbul earned more interest
Solve the equation 3 - 2x = 9
a) x = 3
b)x = -3
c) x = 6
d) x = -6
Answer:
X=-3Option B is correct ...
\(solution \\ 3 - 2x = 9 \\ or \: - 2x = 9 - 3 \\ or \: - 2x = 6 \\ or \: x = \frac{6}{ - 2} \\ x = - 3\)
hope this helps..
Good luck on your assignment...
Answer:
\( \boxed{\sf (b) \ x = -3} \)
Step-by-step explanation:
\( \sf Solve \: for \: x: \\ \sf \implies 3 - 2x = 9 \\ \\ \sf Subtract \: 3 \: from \: both \: sides: \\ \sf \implies (3 - \boxed{3}) - 2x = 9 - \boxed{3} \\ \\ \sf 3 - 3 = 0 : \\ \sf \implies - 2x = 9 - 3 \\ \\ \sf 9 - 3 = 6 : \\ \sf \implies - 2x = \boxed{6} \\ \\ \sf Divide \: both \: sides \: of \: - 2 x = 6 \: by \: - 2: \\ \sf \implies \frac{ - 2 x}{ - 2} = \frac{6}{ - 2} \\ \\ \sf \frac{ - 2}{ - 2} = 1 : \\ \sf \implies x = - \frac{6}{2} \\ \\ \sf \implies x = - \frac{3 \times \cancel{2}}{ \cancel{2}} \\ \\ \sf \implies x = - 3\)
combining like tems
-3f - 4 + 5 + 2f
Answer:
5 and 4
Step-by-step explanation:
use the intermediate value theorem to show that the polynomial has a real zero between the given integers? f(x)= x^3-x-4; between 1 and 7.
We have demonstrated using the Intermediate Value Theorem that the polynomial function has a real zero between 1 and 7.
To apply the Intermediate Value Theorem to the polynomial function f(x) = x^3 - x - 4 and show that it has a real zero between the integers 1 and 7, we need to verify that f(1) and f(7) have opposite signs.
Let's evaluate f(1) and f(7) to determine their signs:
f(1) = (1)^3 - (1) - 4 = 1 - 1 - 4 = -4
f(7) = (7)^3 - (7) - 4 = 343 - 7 - 4 = 332
From the calculations, we can see that f(1) = -4 and f(7) = 332.
Since f(1) is negative (-4) and f(7) is positive (332), they have opposite signs.
According to the Intermediate Value Theorem, if a continuous function changes sign between two points, then it must have at least one real zero between those points.
Since f(1) = -4 (negative) and f(7) = 332 (positive), the polynomial function f(x) = x^3 - x - 4 must have a real zero between the integers 1 and 7.
Therefore, we have demonstrated using the Intermediate Value Theorem that the polynomial function has a real zero between 1 and 7.
for such more question on Intermediate Value
https://brainly.com/question/24015908
#SPJ8
。゚゚・。・゚゚。
゚。Pain is temporary, swag is forever
゚・。・ <3
Evaluate the discriminant for each equation. Determine the number of real solutions. x²-12 x+36=0 .
Can someone help me with my warmup ? Will greatly appreciate it !
Answer:
E
Step-by-step explanation:
basically if you do a graph y will start at 5 always because the entrance fee never change. then 0.6 equal 60 cents and since it's per pound you will multiple with x (how many pounds)
Answer:
E.
Step-by-step explanation:
Because it is 0.60 PER pound and an extra $5 so the equation would be C=0.60x+5
what is a simpler form of the radical expression 4 sqrt 1296 x^16y^12
So, the simpler form of the radical expression 4 sqrt 1296 x^16y^12 is 144x^14y^14 sqrt (x) sqrt (y).
To simplify the radical expression 4 sqrt 1296 x^16y^12, we need to first factor the number inside the radical. 1296 can be factored into 36 x 36, which simplifies to 6^4. So, the expression becomes 4 sqrt (6^4 x^16y^12).
Next, we can simplify the expression further by using the property of exponents that says a^m x a^n = a^(m+n). This means that we can combine the exponents of x and y, which gives us 4 sqrt (6^4 x^(16+12) y^(12+16)). Simplifying this, we get 4 sqrt (6^4 x^28 y^28).
Now, we can simplify the radical expression even further by using the property that says sqrt (a x b) = sqrt (a) x sqrt (b). Applying this to our expression, we get 4 x 6^2 x sqrt (x^28) x sqrt (y^28). Simplifying this further, we get 144x^14y^14 sqrt (x) sqrt (y).
To know more about radical visit:
https://brainly.com/question/14923091
#SPJ11
Is 5 12 13 a right triangle?
No, a right triangle has sides that measure 3, 4, and 5. The sides of 5, 12, and 13 do not have the correct ratio to be a right triangle.
No, a right triangle has sides that measure 3, 4, and 5. These sides have a specific ratio that must be followed in order for it to be a right triangle. The ratio of the sides of a right triangle should be 3:4:5. However, the sides of 5, 12, and 13 do not have the correct ratio to be a right triangle. This is because the ratio of these sides would be 5:12:13, which is not the same as the ratio of a right triangle. Therefore, 5 12 13 is not a right triangle and does not have the correct ratio of sides to be classified as a right triangle.
Learn more about triangle here
https://brainly.com/question/2773823
#SPJ4
Fredrick threw a ball from the top of a building. The height of the ball, in feet, after it is thrown is modeled by the function
h(t) = –1672 +64t + 100, where represents time, in seconds.
Approximately how long did it take the ball to reach the ground (h=0)?
Answer:
5.2seconds
Step-by-step explanation:
Fredrick threw a ball from the top of a building. The height of the ball, in feet, after it is thrown is modeled by the function
The modeled function is given as
h(t) = –16t^2 +64t + 100,
We can see this is a quadratic equation, we can solve using quadratic formula, Below
= -b±(√b^2 -4ac)/2a
Where
a=-16, b=64, c=100
FROM THE ATTACHMENT
We have too answers t= -1.20s and t=5.20s
Therefore,it take 5.20s for the ball to reach the ground (h=0). Because "t" cannot be negative here
CHECK THE ATTACHMENT FOR THE QUADRATIC SOLUTION
At a basketball game, for every basket team A scored, team B scored 4 baskets. The ratio of the number of baskets scored by team A to the number of baskets for team B is A. 1 to 3
B. 2 to 3
C. 1 to 4
D. 4 to 1
Answer:
C. 1 to 4
Step-by-step explanation:
The ratio is used to describe situations like "for how many x's, there are many y's". In this case, we are trying to find the ratio for A baskets scored to B baskets scored, team A scores one basket, then team B will score 4 baskets. Then we can write the ratio of A to B as 1:4, which is 1 to 4.
Hope I did this correctly since it was long ago that I lastly worked with ratios
Find the exact value of sin П/6.
The exact value of sin(π/6) is 1/2.
To find the exact value of sin(π/6), we can use the unit circle or the trigonometric identity for the sine function. In the unit circle, π/6 corresponds to an angle of 30 degrees, which lies in the first quadrant.
At this angle, the y-coordinate of the corresponding point on the unit circle is 1/2. Since sin(θ) represents the ratio of the opposite side to the hypotenuse in a right triangle, for an angle of 30 degrees, sin(π/6) is equal to 1/2.
Alternatively, we can use the trigonometric identity sin(θ) = cos(π/2 - θ). Applying this identity, we have sin(π/6) = cos(π/2 - π/6) = cos(π/3). Now, π/3 corresponds to an angle of 60 degrees, which lies in the first quadrant.
At this angle, the x-coordinate of the corresponding point on the unit circle is 1/2. Therefore, cos(π/3) = 1/2. Substituting this value back into sin(π/6) = cos(π/3), we get sin(π/6) = 1/2.
In both approaches, we find that the exact value of sin(π/6) is 1/2, indicating that the sine function of π/6 radians is equal to 1/2.
To learn more about hypotenuse visit:
brainly.com/question/16893462
#SPJ11
A car travels 72 miles on 6 gallons of gas. At that rate, how much gas will it need to travel 204 miles?
Answer:
17 gallons
Step-by-step explanation:
First find how many miles it can travel with 1 gallon which would be 72÷6 = 12 So 1 gallon can takes it to 12 miles
Do 204÷ 12 = 17
Answer:
17 galloons
Step-by-step explanation:
72 Miles= 6 galloons
144 miles = 12 galloons
204 miles = 17 galloons
in every 12 miles is equivalent to 1 galloon of gas so basically when you divide 204 into 12 you will get 17. you need 17 galloons of gas