СК - висота трикутника АВС. Знайдіть градусну міру кута А

Answers

Answer 1

Inglis please. Thank you.


Related Questions

Solve the system by substitution: 3x - y = 21 and y = 6x
No files. No files. No files. No files. No files. No files. No files. No files. No files. No files. No files. No files. No files. No files. No files. No files. No files. No files. No files. No files. No files. No files. No files. No files. No files. No files. No files. No files. No files. No files. No files. No files. No files. No files. No files. No files. No files. No files. No files. No files. No files. No files. No files. No files. No files. No files. No files. No files. No files. No files. No files. No files. No files. No files. No files. No files. No files. No files. No files. No files.

Answers

Answer:

if y=6x then 3x-6x=21

-3x=21

x=-7

3x - y = 21

y = 6x

We see that,

0 = 42 which is not true.

The system of equations has no solutions.

What is an equation?

An equation is a mathematical statement that is made up of two expressions connected by an equal sign.

We have,

System of equations:

Conditions:

1 - If we get x = n (a value)

The system of equations has one solution

2 - If we get x = x or y = y or n = n

The system of equations has infinite solutions.

3 - If we get n ≠ 0

The system of equations has no solutions

Now,

3x - y = 21 _____(1)

y = 6x ______(2)

From (1) we get,

3x = 21 + y

x = (21 + y) / 3 _____(3)

Putting (3) in (2) we get,

y = 6 [(21 + y) / 3]

y = 2 (21 + y)

y = 42 + y

0 = 42

Which is not true.

This means the system of equations has no solutions.

Thus,

The system of equations has no solutions.

Learn more about equations here:

https://brainly.com/question/17194269

#SPJ2

Fill in the blank: Find the point on the graph of y=x? where the tangent line is parallel to the line - 5x + 2y = 4. The point on y = xat which the tangent line is parallel to the line - 5x + 2y = 4 is _____________

Answers

Since the slope of the tangent line on the graph of y=x is 1, any point on the line y=x can be considered as the point where the tangent line is parallel to -5x+2y=4.  The point on the graph of y=x where the tangent line is parallel to the line -5x+2y=4 is (2, 2).

To find the point on the graph of y=x where the tangent line is parallel to the line -5x+2y=4, we need to find the slope of the line -5x+2y=4 and equate it to the slope of the tangent line on the graph of y=x.

The given line -5x+2y=4 can be rewritten as 2y=5x+4, which implies y=(5/2)x+2. Comparing this equation with y=x, we see that the slopes of both lines are equal, which means the tangent line to y=x is parallel to the given line.

Since the slope of the tangent line on the graph of y=x is 1, any point on the line y=x can be considered as the point where the tangent line is parallel to -5x+2y=4. One such point is (2, 2), where x=2 and y=2.

Therefore, the point on the graph of y=x where the tangent line is parallel to -5x+2y=4 is (2, 2).

Learn more about tangent line here:

https://brainly.com/question/31617205

#SPJ11

A factory recently installed new pollution control equipment ("scrubbers") on its smokestacks in hopes of reducing air pollution levels at a nearby national park. Randomly timed measurements of sulfate levels (in micrograms per cubic meter) were taken before (Set C1) and after (Set C2) the installation. We believe that measurements of sulfate levels are normally distributed. Write a complete conclusion about the effectiveness of these scrubbers based on the statistical software printout shown. SET C1 10.0 8.0 8.0 7.0 6.0 9.0 11.5 8.0 9.5 7.5 5.0 10.0 5.0 7.0 1.0 9.0 1.5 5.0 25 4.0 9.0 6.0 SET C2 Two Sample T for C1 vs C2 N Mean StDev SEMean G 8.29 1.83 0.53 C2 10 5.00 2.84 0:90 95% CI for mul-mu2: (1.20, 5.38) T-Test mu1 = mu2 (vs. not =) P=0.0037 DF = 20 I T= 3.29

Answers

We can see from the statistical software printout that the factory recently installed new pollution control equipment ("scrubbers") on its smokestacks in hopes of reducing air pollution levels at a nearby national park.

Here, randomly timed measurements of sulfate levels (in micrograms per cubic meter) were taken before (Set C1) and after (Set C2) the installation. We believe that measurements of sulfate levels are normally distributed. A complete conclusion about the effectiveness of these scrubbers based on the statistical software printout shown is:The mean sulfate level for Set C1 is 8.29, and the mean sulfate level for Set C2 is 5.00.

From the Two Sample T for C1 vs C2 table, we find that the t-test statistic is 3.29, and the p-value is 0.0037. Because the p-value (0.0037) is less than the level of significance (α=0.05), we can reject the null hypothesis that the mean sulfate levels are equal before and after the installation of the scrubbers. Therefore, we can conclude that the installation of scrubbers on the factory's smokestacks has had a significant effect in reducing the sulfate levels in the air at the national park.

To know more about statistic refer to:

https://brainly.com/question/27342429

#SPJ11

find the value of two numbers if their sum is 39 and their difference is 1

Answers

20+19=39

20 is 1 more than 19 making 19 1-less than 20. The difference is 1 between the two numbers

Last summer Olivia earned $3800 by selling cakes. She invested some of the money in a savings account that paid 4.5%/yr and the rest in a government bond that paid 5.5%/yr. After one year, she has earned $180 in interest. How much did she invest at each rate? [4]

Answers

Answer:

Olivia invested $2900 in a savings account that paid 4.5%/yr and $900 in a government bond that paid 5.5%/yr.

Step-by-step explanation:

With the information provided you can write the following equations:

x+y=3800 (1)

0.045x+0.055y=180 (2), where:

x is the amount invested in a savings account

y is the amount invested in a government bond

First, you can solve for x in (1):

x=3800-y (3)

Next, you can replace (3) in (2) and solve for y:

0.045(3800-y)+0.055y=180

171-0.045y+0.055y=180

0.01y=9

y=9/0.01

y=900

Finally, you can replace the value of y in (3) to find x:

x=3800-900

x=2900

According to this, the answer is that Olivia invested $2900 in a savings account that paid 4.5%/yr and $900 in a government bond that paid 5.5%/yr.

Olivia is preparing many gifts for a family holiday party. Each gift must either be wrapped with wrapping paper or prepared in a gift bag. Olivia can wrap a single gift in 3 minutes and she can do a giftbag in 1.5 minutes. Olivia prepared a total 14 gifts in 30 minutes. Graphically solve a system of equations in order to determine the number of gifts Olivia wrapped, x,x, and the number of giftbags she prepared, yy.

Answers

Answer:

Olivia wrapped 6 gifts and prepared 8 giftbags.

Step-by-step explanation:

Write System of Equations:

3x+1.5y= 30                                                 x+y=14

x+y=  14                                                       y=-x+14

3x+1.5y=30

1.5y=3x+30

1.5y divided by 1.5 is y

-3x+30 divided by y is -2x+20

y=-2x+20

Olivia wrapped 6 gifts and made 8 Giftbags.

What is Equation?

Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.

It demonstrates the equality of the relationship between the expressions printed on the left and right sides. LHS = RHS is a common mathematical formula.

Coefficients, variables, operators, constants, terms, expressions, and the equal to sign are some of the components of an equation. The "=" sign and terms on both sides must always be present when writing an equation.

Given:

Olivia can wrap a single gift in 3 minutes and she can do a giftbag in 1.5 minutes

Olivia prepared a total 14 gifts in 30 minutes.

let number of gifts Olivia wrapped be x.

and, number of giftbags she prepared be y.

So, the equations are:

3x+1.5y= 30 .....(1)

x+y=14

Now, plotting these equations on graph we get intersecting point of two lines which shows x= 6 and y=8.

Hence, Olivia wrapped 6 gifts and made 8 Giftbags.

Learn more about equation here:

https://brainly.com/question/10413253

#SPJ2

A librarian noticed that 14% of the seventh graders checked out science fiction books and 12% checked out sports book. Out of 350 seventh graders, how many students should she expect NOT to check out science fiction and sports books?​

Answers

Answer:

259 students

Step-by-step explanation:

First, find how many will check out science fiction books

350(0.14)

= 49

Find how many will check out sports books

350(0.12)

= 42

Subtract these amounts from 350

350 - 49 - 42

= 259

So, she should expect 259 students not to check out science fiction and sports books

. Amy Company sold merchandise of $8,000 to Tory Turnbull with terms 2/10, n/30. Amy Company recorded this transaction using the gross method. If Tory Turnbull paid for all the merchandize within the discount period, the journal entry that Amy Company will make to record the collection of cash would include a: a. Credit to Sales Discount of $160 b. Credit to Account receivable $7,840 c. Debit to Sales Discount of $160 d. Credit to Cash of $160 Select-

Answers

The journal entry that Amy Company will make to record the collection of cash from Tory Turnbull, who paid within the discount period, would include a credit to Cash for $160. Therefore, option d is the correct answer.

This is because Tory Turnbull will pay $8,000 - $160 (2% of $8,000) to avail the discount. The Sales Discount account is not involved in the journal entry as the discount was taken by the customer, not given by Amy Company.

Therefore, the correct answer is d. Credit to Cash of $160. This entry reflects the cash received by Amy Company and the reduction in the Accounts Receivable balance for the amount paid by the customer.

To know more about credit to Cash refer here:

https://brainly.com/question/29608520

#SPJ11

what is true about a rhombus and square?

A. all sides are congruent to each other
B. all of these are true
C. both have diagonals that are perpendicular to each other
D. both have diagonals that bisect each other

Answers

Answer:

B. all of these are true

Step-by-step explanation:

The Square is a rhombus because all the sides of a square are equal in length. Even, the diagonals of both square and rhombus are perpendicular to each other and bisect the opposite angles. Therefore, we can say the square is a rhombus.

Hope this helped!!

Suppose that {Y, }is stationary with mean 3 and autocovariance function y(k). Let Couche, "t-m) R = 2Y - Y-1 Find the mean and autocovariance function of Rt. Is R stationary? Why? ry THE 1 2 7u

Answers

The mean of Rt can be calculated as follows:

E[Rt] = E[2Yt - Yt-1] = 2E[Yt] - E[Yt-1] = 2(3) - 3 = 3.

and, the autocovariance function of Rt is given by:

yR(k) = 4y(k) - 2y(k+1) - 2y(k-1) + y(k).

The random variable Rt is defined as 2Yt - Yt-1, where {Yt} is a stationary process with a mean of 3 and autocovariance function y(k). To find the mean and autocovariance function of Rt, we can use the properties of linearity and time shift.

The mean of Rt can be calculated as follows:

E[Rt] = E[2Yt - Yt-1] = 2E[Yt] - E[Yt-1] = 2(3) - 3 = 3.

To find the autocovariance function of Rt, we need to consider the covariance between Rt at time t and Rt at time s for any t and s. Let's denote the autocovariance function of Yt as γ(k). Using the properties of linearity and time shift, we can express the autocovariance function of Rt as follows:

Cov(Rt, Rs) = Cov(2Yt - Yt-1, 2Ys - Ys-1)

= 4Cov(Yt, Ys) - 2Cov(Yt, Ys-1) - 2Cov(Yt-1, Ys) + Cov(Yt-1, Ys-1)

= 4γ(t-s) - 2γ(t-s+1) - 2γ(t-1-s) + γ(t-1-s+1)

= 4γ(t-s) - 2γ(t-s+1) - 2γ(t-s-1) + γ(t-s).

Therefore, the autocovariance function of Rt is given by:

yR(k) = 4y(k) - 2y(k+1) - 2y(k-1) + y(k).

Now, let's determine whether R is stationary. A process is considered stationary if its mean and autocovariance do not depend on time. In this case, the mean of Rt is constant and equal to 3, which satisfies the condition for stationarity. However, the autocovariance function yR(k) of Rt depends on the lag k. Therefore, Rt is not stationary because its autocovariance function varies with time.

Learn more about Mean:

brainly.com/question/31101410

#SPJ11

Margarita was buying soil for her spring garden. What would be the most reasonable amount of soil she would need to buy for a garden?
A. 5 grams
B. 50 liters
C. 50 kilograms
D. 5,000 kilograms

Answers

Answer:

C. 50 kilograms

Step-by-step explanation:

For a normal house garden of moderate dimensions 5,000 kg is too much and 50 kg would be enough.

Answer: I'm hoping for it to be C.

Step-by-step explanation: I'll  finish the quiz then l'll let you know ;)

     Edit: GOT IT CORRECT!

      And don't mind that i got three wrong...

Please help:///. Due today

Answers

Answer:

C: 108 cans

Step-by-step explanation:

just trust me bro

96 cans.

12*3= 36

12*4= 48

6*2= 12

36+48+12= 96

Find the work done by the force field F in moving an object from P to Q.
F(x, y) = x^5i + y^5j; P(1, 0), Q(3, 3)

Answers

The work done by the force field F in moving an object from P to Q is 1459/6.

The work done by a force field in moving an object from point P to point Q can be calculated using the line integral of the force field along the path from P to Q.

Given the force field F(x, y) = x^5i + y^5j and the points P(1, 0) and Q(3, 3), we need to calculate the line integral of F along the path from P to Q.

The line integral of a vector field F along a curve C is given by the formula:

∫C F · dr,

where F is the vector field, dr is the differential vector along the curve, and ∫C represents the line integral over the curve C.

In this case, the path from P to Q can be parameterized by a function r(t) = (x(t), y(t)), where t varies from 0 to 1. We can choose a linear parameterization for simplicity:

x(t) = 1 + 2t,

y(t) = 3t,

where t varies from 0 to 1.

Now, we can calculate the line integral:

∫C F · dr = ∫₀¹ F(x(t), y(t)) · r'(t) dt,

where r'(t) represents the derivative of r(t) with respect to t.

Substituting the values into the formula, we have:

∫₀¹ ( (1 + 2t)^5i + (3t)^5j ) · (2i + 3j) dt.

Simplifying the expression, we get:

∫₀¹ ( (1 + 2t)^5(2) + (3t)^5(3) ) dt.

Now, we can integrate term by term:

= ∫₀¹ ( 2(1 + 2t)^5 + 3^5t^5 ) dt.

= [ (2/6)(1 + 2t)^6 + (3/6)t^6 ] from 0 to 1.

Evaluating the expression at the limits, we have:

= (2/6)(1 + 2(1))^6 + (3/6)(1)^6 - (2/6)(1 + 2(0))^6 - (3/6)(0)^6.

= (2/6)(3^6) + (3/6) - (2/6)(1^6) - (3/6)(0).

= (2/6)(729) + (3/6) - (2/6) - 0.

= (2/6)(729 - 1) + (3/6).

= (2/6)(728) + (3/6).

= 728/3 + 3/6.

= 728/3 + 1/2.

= (1456 + 3)/6.

= 1459/6.

Therefore, the work done by the force field F in moving an object from P to Q is 1459/6.

Learn more about force here

https://brainly.com/question/12970081

#SPJ11

a turtle is moving along a straight line at a constant rate. it moves 2/7 of a mile in 3/5 of an hour. what is the average speed of the turtle

Answers

Answer:

I am not sure , but i think the answer would be 0.03 m/s .

hope it helps u . ^.^

Can someone help me with this. Will Mark brainliest.

Answers

Answer:

1.8

Step-by-step explanation:

In an experiment a bag contains 2 blue marbles and 5 red marbles. Two marbles are drawn from the bag.

Answers

Answer:

5

Step-by-step explanation:

2-5=5. Subscribe Single-3 FF on yt

The sample space of all possible pairs of marbles that can be drawn is:

{BB, BR, RB, RR, RR, RR}

What is sample space?

It is the total number of possible outcomes from a given set.

We have,

The sample space is the set of all possible outcomes of the experiment.

In this case, we are drawing two marbles from a bag containing 2 blue and 5 red marbles, without replacement (meaning that we do not put the first marble back into the bag before drawing the second one).

The sample space consists of all possible pairs of marbles that can be drawn:

{BB, BR, RB, RR, RR, RR}

where BB means both marbles are blue, BR means the first marble is blue and the second is red, RB means the first marble is red and the second is blue, and RR means both marbles are red.

Note that there are two outcomes corresponding to drawing two red marbles because there are 5 red marbles in the bag.

Thus,

The sample space of all possible pairs of marbles that can be drawn is:

{BB, BR, RB, RR, RR, RR}

Learn more about sample space here:

https://brainly.com/question/24273864

#SPJ3

The  complete question:

In an experiment, a bag contains 2 blue marbles and 5 red marbles. Two marbles are drawn from the bag.

List the sample space.

Please help with this question?!?

Answers

Answer:

50.3

Step-by-step explanation:

area for circle formula=πr^2

r=4

π4^2 which is 50.3 rounded

Answer:

50.3

Step-by-step explanation:

A=πr^2

π·4^2≈50.3

Need this answer as soon as possible

Answers

Answer:

x=22

Step-by-step explanation:

Rule states diagonals = same so 6x-36 = 96 in which x=22 cause 6(22)=132

132-36 = 96

ANSWER:

X= 22
(6times22-36)° is equal to 96°



Mark brainliest if this helped! :)

In the diagram, mBDA = 150°. Find mBDC.

Answers

Answer:

a.  70°

Step-by-step explanation:

m∠BDC + m∠CDA = m∠BDA

-3x + 34 - 2x + 56 = 150

-5x + 90 = 150

-5x = 60

x = -12

m∠BDC = -3x + 34 = -3(-12) + 34

              = 36 + 34 = 70°

help me understand please​

Answers

Answer:

V=pi x (r)^2 x h

V-volume r-radius h-height

V= pi x (3)^2 x 9

V= pi x 9 x 9

V= pi x 81

V= 254.47 (rounded)

In cell B23, find the required sample size to estimate the true proportion of satisfied customers within 3% margin of error, with 99% confidence. in excel??

Answers

To calculate the required sample size in Excel for estimating the true proportion of satisfied customers within a 3% margin of error with 99% confidence,

In Excel, you can use the NORM.S.INV function to find the critical value corresponding to the desired confidence level. In this case, we use 1 - (1-0.99)/2 to find the z-score for 99% confidence level.

We square this z-score and multiply it by (0.50.5)/(0.030.03), which represents the maximum variance under worst-case scenario and the desired margin of error. The CEILING function is used to round up the result to the nearest whole number since the sample size should be an integer.

you can use the formula =CEILING(MROUND((NORM.S.INV(1-(1-0.99)/2,0)^2)(0.50.5)/(0.03*0.03),1),1). The result will give you the minimum sample size needed for the desired confidence level and margin of error.

To learn more about sample size  click here :

brainly.com/question/30885988

#SPJ11

Plz help will mark brainliest if right

Answers

Answer:

Domain:{-9,-4}

Range:{-1,-8,6}

Step-by-step explanation:

I dont really understand what you're trying to ask, it seems like you already have the answer i got.

If X has an exponential distribution, which of the following statements is correct?
A. The exponential distribution has the property that its mean equals its variance. B. All of the given statements are correct. C. The exponential distribution is governed by two parameters that determine its shape and location. D. The cumulative density function for an exponential random variable x has a bell-shaped graph. E. The exponential distribution is sometimes called the waiting-time distribution, because it is used to describe the length of time between occurrences of random events.

Answers

option A is the correct statement regarding the exponential distribution.

What is Exponential Distribution?

The exponential distribution is a continuous probability distribution that models the time between events occurring at a constant average rate. It is often used to describe situations where events happen randomly and independently over time, such as the time between phone calls received at a call center or the time between arrivals of customers at a service counter.

The correct answer is:

[tex]\textbf{A. The exponential distribution has the property that its mean equals its variance.}[/tex]

The exponential distribution is characterized by the property that its mean is equal to its variance. This means that the average value of the distribution and the spread of the distribution are the same. In other words, the measure of central tendency and the measure of dispersion are equal in the exponential distribution.

This property holds true for all exponential distributions, regardless of the specific rate parameter or scale parameter. It is a fundamental characteristic of this distribution.

Therefore, option A is the correct statement regarding the exponential distribution.

Learn more about Exponential Distribution:

https://brainly.com/question/30669822

#SPJ4

A scientist is studying the effect of rainfall on the height of a certain species of sunflower. The scatter plots shows the results.

Answers

Answer:answer is d

Step-by-step explanation:

I have done the test

Given the set { 1 , 1 , 1 , 1 , 2 , 3 } . Picking a number at random .

The probability of choosing a "1" is 2 / 3 .

True

False

Answers

Given the set { 1 , 1 , 1 , 1 , 2 , 3 } . Picking a number at random.The probability of choosing a "1" is 2 / 3 . False

In the given set {1, 1, 1, 1, 2, 3}, there are four occurrences of the number "1" and a total of six elements in the set.

To calculate the probability of choosing a "1", we need to divide the number of favorable outcomes (the occurrences of "1") by the total number of possible outcomes (the total number of elements in the set).

The number of favorable outcomes is 4 (the occurrences of "1"), and the total number of possible outcomes is 6 (the total number of elements in the set).

So, the probability of choosing a "1" is 4/6, which simplifies to 2/3.

Therefore, the statement is true: the probability of choosing a "1" from the given set is 2/3.

Learn more about probability:

https://brainly.com/question/13604758

#SPJ11

Solve this please!!!!

Answers

Answer:

The volume of the rectangular prism is 336

The volume of the triangular prism is 24.875

Add them together, 360.875. You can round if you want

if h(x) = 5 4f(x) , where f(4) = 5 and f '(4) = 2, find h'(4).

Answers

The derivative h'(4) is equal to 40.

To find h'(4), we can apply the chain rule. The chain rule states that if we have a composite function, we can find the derivative by taking the derivative of the outer function and multiplying it by the derivative of the inner function.

In this case, h(x) = 5 * 4f(x), so the outer function is multiplying by 5 and the inner function is f(x).

First, we find the derivative of the outer function, which is a constant multiple. The derivative of 5 is 0.

Next, we find the derivative of the inner function, f'(x). We are given that f'(4) = 2.

Now, we can apply the chain rule: h'(x) = 0 * f(x) + 5 * f'(x).

Substituting the given values, we have: h'(4) = 0 * f(4) + 5 * f'(4) = 0 * 5 + 5 * 2 = 0 + 10 = 10.

To learn more about x

brainly.com/question/30171899

#SPJ11

Un paseo tiene una longitud de 1250 km. Se quiere plantar un árbol cada 0,025 km. ¿cuantos arboles se plantaran? ¿ y si se planta un arbol cada 50 m?

Answers

Answer:

-Se plantarán 50.000 arboles.

-Si se planta un árbol cada 50 m, se plantarán 25.000 arboles.

Step-by-step explanation:

Para encontrar cuántos arboles se plantarán, tienes que dividir la longitud el paseo entre la distancia que habrá entre los árboles:

1250/0,025=50.000

Ahora, para encontrar cuántos arboles se plantarán si se planta uno cada 50m, primero tienes que encontrar cuántos kilómetros hay en 50 m considerando que 1 km es igual a 1000 metros. Para esto, puedes utilizar una regla de tres:

1 km → 1000 m

  x   ←   50 m

x=(50*1)/1000

x= 0,05 km

Ahora puedes dividir la longitud del paseo entre 0,05 para encontrar el número de arboles que se plantarán:

1250/0.05=25.000

De acuerdo a esto, la respuesta es que se plantarán 50.000 arboles.

Si se planta un árbol cada 50 m, se plantarán 25.000 arboles.

On a coordinate plane, a curved line with a minimum value of (1.5, negative 1) and a maximum value of (negative 1.5, 13), crosses the x-axis at (negative 3, 0), (1, 0), and (2, 0), and crosses the y-axis at (0, 6).
Which lists all of the x-intercepts of the graphed function?
(0,6)
(1,0)(2,0)
(1,0)(2,0) and (-3,0)
(1,0)(2,0)(-3,0) and (0,6)

Answers

Its not a or B because it has to be a negative ima go with C and if its not C it should be D

Answer:

c

Step-by-step explanation:

For n e N let an be the number of strings of 0's and l's such that every 0 is followed by a 1. (a) Write down the values for a¡ through as (you may need to use some scratch paper) i. ai = ii. 02 = iii. a3 = iv. 04 = V. a5 = (b) Do these numbers look familiar? Make a conjecture. (C) How might you build the set of these strings of length n from the sets of strings of length n - 1 and strings of length n - 2? (d) Prove your conjecture.

Answers

For n e N let an be the number of strings of 0's and l's,

(a) i. a₁ = 2, ii. a₂ = 1, iii. a₃ = 2, iv. a₄ = 3, v. a₅ = 5.

(b) The values of aₙ represent the nth term in the Fibonacci sequence.

(c) The set of strings of length n can be built by appending "1" or "01" to strings of length n-1 and n-2.

(d) The conjecture that the values of aₙ represent the nth term in the Fibonacci sequence is proven using mathematical induction.

(a) To find the values of aₙ, we'll calculate them one by one:

i. a₁: We have two possible strings of length 1 that satisfy the condition: "1" and "0". So a₁ = 2.

ii. a₂: For a string of length 2, the only valid option is "10". So a₂ = 1.

iii. a₃: Now, let's consider strings of length 3. We can build them by appending either "1" or "01" to valid strings of length 2. From the previous step, we know that a₂ = 1. Thus, we have two options: "101" and "100". So a₃ = 2.

iv. a₄: Similarly, for strings of length 4, we can append either "1" or "01" to valid strings of length 3. From the previous step, we know that a₃ = 2. Thus, we have three options: "1010", "1001", and "1000". So a₄ = 3.

v. a₅: Continuing the same pattern, we can append either "1" or "01" to valid strings of length 4. From the previous step, we know that a₄ = 3. Thus, we have five options: "10101", "10100", "10010", "10001", and "10000". So a₅ = 5.

(b) If we look closely at the values of aₙ that we calculated, we notice that they form the Fibonacci sequence: 2, 1, 2, 3, 5, ...

Conjecture: The values of aₙ represent the nth term in the Fibonacci sequence.

(c) To build the set of strings of length n from the sets of strings of length n-1 and n-2, we can append either "1" or "01" to the strings of length n-1 and n-2.

For example, to obtain a string of length 4, we can append "1" or "01" to the strings of length 3. Similarly, to obtain a string of length 5, we can append "1" or "01" to the strings of length 4.

(d) To prove our conjecture that the values of aₙ represent the nth term in the Fibonacci sequence, we can use mathematical induction. We would need to show that a₁ = F₁, a₂ = F₂, and assume that aₖ = Fₖ and aₖ₋₁ = Fₖ₋₁ hold for some k ≥ 2 and prove that aₖ₊₁ = Fₖ₊₁.

Since a₁ = 2 = F₁ and a₂ = 1 = F₂, the base cases hold.

Next, assume that aₖ = Fₖ and aₖ₋₁ = Fₖ₋₁ hold for some k ≥ 2.

From the construction in part (c), we know that to obtain a string of length k+1, we append "1" to a string of length k and append "01" to a string of length k-1.

So, aₖ₊₁ = aₖ + aₖ₋₁ = Fₖ + Fₖ₋₁.

Using the property of the Fibonacci sequence that Fₖ + Fₖ₋₁ = Fₖ₊₁, we can conclude that aₖ₊₁ = Fₖ₊₁.

Learn more about the Fibonacci sequence at

https://brainly.com/question/29764204

#SPJ4

Other Questions
5. In chapter 4 of The Watsons Go to Birmingham, why was Mrs. Watson always socold?She was homelessand lived outside.She was fromAlabama where it ismuch warmerThe furnace wasnot working A constraint is a defined relationship among roles or a condition related to roles.a. Trueb. False what is 2 x 2? answer dumly From the HTS gov website's Harmonized Tariff Schedule:1. What chapter(s) are associated with machines in general?2. Work to find an HTS code for computers. What Chapter does the search engine bring you to? Is it clear which HTS is appropriate?3. Look up computers in the CROSS System. What US Customs ruling(s) do you find that make references to computers? What classification did they use? What was the ruling number? Which statement is accurate about variations? Organisms with variations that give an advantage are more likely to survive Organisms with variations are less likely to pass these variations to their offspringIn all cases vanations become more common in a populationIn all cases variations affect how likely it is that an organism reproduces A vending machine that dispenses coffee into cups must fill the cups with 7.8 ounces of liquid. Before selling the machine to a college or business, the company tests the machine to be sure it dispenses an average of 7.8 ounces. A sample of 20 amounts is listed here: 7.78 7.79 7.82 7.82 7.87 7.84 7.80 7.82 7.80 7.78 7.83 7.75 7.85 7.83 7.84 7.73 7.82 7.87 7.81 7.88(1) Set up the null and the alternative hypotheses to test whether the average amount of coffee dispensed is different from 7.8 ounces. (2) Complete the remaining hypothesis-testing steps using = .05. (3) Find the p value.(4) Based on the p value what can the company conclude about the average amount of coffee dispensed by the machine. ???????????Helppp. 175 g of water was heated from 15 to 88 celsius how many kilocalories were absorbed by the water 5 + 5 A)3 B)6 C)10 ;D In december, emily sold an antique rug for $4,100. she bought the rug 5 years ago for $1,100. what is her taxable gain and at what maximum rate will it be? Milton Industries expects free cash flows of $20 million each year. Milton's corporate tax rate is 22%, and its unlevered cost of capital is 16%. Milton also has outstanding debt of $26.48 million, and it expects to maintain this level of debt permanently. a. What is the value of Milton Industries without leverage? b. What is the value of Milton Industries with leverage? a. What is the value of Milton Industries without leverage? The value of Milton Industries without leverage is $ million. (Round to two decimal places.) b. What is the value of Milton Industries with leverage? The value of Milton Industries with leverage is $ million. (Round to two decimal places.) Question ListQuestion 4 of 8Total Points: 0 out of 80Calculate the volume that will be occupied by240 mL of hydrogen, measured at 360 mm Hg, whenthe pressure is changed to 1080 mm Hg. Helpppp! Ill mark brainliest Who was Davey Crockett? How did he serve his country and Texas? Solve the integral equation, using convolution properties and Laplace transform, y (t) + et (t)e-dr=tet ? Given Answer: B. y(t) = et - 1 Correct Answer: B. y(t) = et - 1 QUESTION 4: MULTIPLE CHOICE 10 out of 10 points Use the convolution theorem to find the inverse Laplace transform 1 (s2+4)2 Given Answer: 3. sin(2t) 2t cos(2t)/16 Correct Answer: 3. sin(2t) - 2t cos(2t)/16. VERY EASY, WILL GIVE 50 POINTS FOR CORRECT ANSWER ASAP AND WILL GIVE BRAINLIEST. Which pair of microscope views represents a eukaryotic cell and prokaryotic cell? PLEASE ASAP Suppose a normal distribution has a mean of 26 and a standard deviation of4. What is the probability that a data value is between 28 and 31? Round youranswer to the nearest tenth of a percent.A. 21.3%B. 19.3%C. 20.3%D. 22.3% Find the value of x. Please help I will mark brainliest!!!! After eating at the restaurant, Sam, Jason, and Joan decided to divide the bill evenly. If each person paid x dollars, what was the total of the bill ?