A) The priestess at Horus’ temple has to go up a flight of 5 steps each day.The high priest has decreed that she will ascend the steps one or two at a time. She wants to know if she can do this a different way each day for a week.Is it possible?How many ways are there of ascending the steps?
B) The grand staircase has 13 steps. The priest wants to know if he can climb this a different way each day for a year using the same rules as the priestess.
Is it possible?
How many ways are there of ascending the grand staircase?

Explain why your answer is correct.

please answer this pleaase

Answers

Answer 1

There are a total of 32 possible sequences because there are two alternatives for each stage. Since there are more than seven distinct ways to mount the stairs, the priestess can do so every day for a week.

How many ways are there of ascending the steps?

(a) Every day, the priestess at the temple of Horus must climb a flight of five stairs, which she can do by taking one or two steps at a time. The amount of ways she can up the stairs on any given day can be represented by a binary digit, where 1 denotes a two-step ascent and 0 denotes a one-step ascent. For each of the five steps, for instance, 00101 reflects the order of her one- and two-step climbs.

How many ways are there of ascending the grand staircase?

(b) The same regulations apply. The entire number of potential sequences, using the same binary digit format, is 213 = 8,192. There are therefore more than 365 possible ways to mount the grand staircase, allowing the priest to do so every day for a whole year.

In conclusion, the number of alternative binary sequences, where each digit denotes a one- or two-step climb, may be used to determine the number of ways the priestess can ascend the five-step flight of stairs and the number of ways the priest can ascend the thirteen-step grand staircase.

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Related Questions

5000 people visit mueum during a month how many visitors were there for each age group. 18 and under, age 19 to 44, 45 to 64, age 65 and over

Answers

The number of degrees for each part of the museum visitors graph would be Age 18 and under: 108 degrees, Age 19 – 44: 180 degrees, Age 45 – 64: 54 degrees, and Age 65 and over: 18 degrees.

To find the number of degrees for each part of the museum visitors graph, we need to know the total number of visitors for that month. Let's assume that the total number of visitors for the month is 10,000.

Age 18 and under:

Let's assume that the number of visitors aged 18 and under is 3,000. To find the number of degrees for this section of the graph, we need to use the formula: (Number of visitors in the age group / Total number of visitors) x 360 degrees. So, (3000/10000) x 360 = 108 degrees.

Age 19 – 44:

Let's assume that the number of visitors aged 19-44 is 5,000. Using the same formula as above, we get (5000/10000) x 360 = 180 degrees.

Age 45 – 64:

Let's assume that the number of visitors aged 45-64 is 1,500. Using the same formula as above, we get (1500/10000) x 360 = 54 degrees.

Age 65 and over:

Let's assume that the number of visitors aged 65 and over is 500. Using the same formula as above, we get (500/10000) x 360 = 18 degrees.

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(b) Suppose you wanted to estimate the true proportion of all student loan borrowers who have loans

totaling more than $40,000 with 95% confidence to within 1%. Calculate the sample size you would

need. Use the sample proportion to estimate the population proportion

Answers

The sample size that would be required to estimate the confidence interval with a margin of error of 1% is given as follows:

n = 9604.

What is a confidence interval of proportions?

A confidence interval of proportions has the bounds given by the rule presented as follows:

[tex]\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}[/tex]

In which the variables used to calculated these bounds are listed as follows:

[tex]\pi[/tex] is the sample proportion, which is also the estimate of the parameter.z is the critical value.n is the sample size.

The confidence level is of 95%, hence the critical value z is the value of Z that has a p-value of [tex]\frac{1+0.95}{2} = 0.975[/tex], so the critical value is z = 1.96.

The margin of error is modeled as follows:

[tex]M = z\sqrt{\frac{\pi(1-\pi)}{n}}[/tex]

We have no estimate of the proportion, hence it is used as follows:

[tex]\pi = 0.5[/tex]

The margin of error is of M = 0.01, hence the sample size is obtained as follows:

[tex]0.01 = 1.96\sqrt{\frac{0.5(0.5)}{n}}[/tex]

[tex]0.01\sqrt{n} = 1.96 \times 0.5[/tex]

[tex]\sqrt{n} = 98[/tex]

n = 98²

n = 9604.

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ind the difference and write the resulting polynom (19x^(4)-17x-18)-(12x^(4)-8x+5)

Answers

The difference of the two polynomials is 7x^(4) - 9x - 23.

The difference of the two polynomials (19x^(4)-17x-18)-(12x^(4)-8x+5) can be found by subtracting the corresponding terms of the two polynomials.

Subtract the first term of the second polynomial from the first term of the first polynomial: 19x^(4) - 12x^(4) = 7x^(4)

Subtract the second term of the second polynomial from the second term of the first polynomial: -17x - (-8x) = -17x + 8x = -9x

Subtract the third term of the second polynomial from the third term of the first polynomial: -18 - 5 = -23

Write the resulting polynomial by combining the terms  7x^(4) - 9x - 23

Therefore, the difference of the two polynomials is 7x^(4) - 9x - 23.

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The number of weekly flu tests increases by a rate of about 32% each week. During the initial week of flu season, 33flu tests were administered. The situation can be modeled by f(x)=33(0.32)^(x) CORRECT AND REWRITE THE FALSE STATEMENT:

Answers

The correct statement is f(x)=33(1.32)^(x). .

About mathematical statement

The original statement is false because it does not accurately represent the increase in the number of weekly flu tests. The original statement suggests that the number of tests decreases by 32% each week, which is not the case.

To accurately represent the increase in the number of weekly flu tests, we need to use the growth factor of 1.32, which is equivalent to 100% + 32%. This means that the number of weekly flu tests increases by 32% each week, as stated in the problem.

Therefore, the correct statement is f(x)=33(1.32)^(x).

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4. Consider an isosceles triangle A ABC with base BC and ABC = 75°. We constructs points M on AC and N, P on AB so that BC = MB = PM and MN || BC. (a) Find BMN. (b) Find AMP. Justify your claims. A P

Answers

Answer:4. (a) BMN = 75°(b) AMP = 105°Explanation:Given that ABC is an isosceles triangle with base BC, and ABC = 75°. Also, BC = MB = PM and MN || BC.(a) To find BMN, we can use the fact that MN || BC. This means that ∠BMN = ∠ABC = 75°. Therefore, BMN = 75°.(b) To find AMP, we can use the fact that BC = MB = PM. This means that triangle BMP is an isosceles triangle with base MP. Since BMN = 75°, we can find ∠BMP by using the fact that the sum of the angles in a triangle is 180°:∠BMP = (180° - 75°)/2 = 52.5°Now, we can find AMP by using the fact that the sum of the angles in a triangle is 180°:AMP = 180° - 75° - 52.5° = 52.5°Therefore, AMP = 105°.

(a) The angle BMN is 30°.

(b) The angle AMP is 15°.

The total angle of a triangle is 180°.

How to find the angle in a triangle?

We have an isosceles triangle ABC with base BC and ∠ABC is 75°. We construct point M on AC and N, P on AB. It makes BC = MB = PM and MN || BC.

Since ABC is an isosceles triangle, ∠ACB is also 75°. See the picture attached!

Since BC = MB, the triangle MBC is isosceles with base MC. So, BMC is 75°.

The angles of triangle MBC will sum up to 180°. So,

∠MBC = 180 - (75 + 75) = 30°

The angle BMN and MBC is alternate interior angles, so

BMN = ∠MBC = 30°

Now, we have ∠NBM = 75 - 30 = 45°. Since MB = PM, it makes BMP an isosceles triangle. The angle BPM will be the same with PBM. It is 45°.

The angle PMN will be

= 180 - (45 + 45 + 30)

= 60°

The angle CMB, BMN, NMP, and AMP are supplementary. So, the angle AMP is

= 180 - (75 + 30 + 60)

= 15°

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pls help with my homework

Answers

The area of the trapezoid is 65.16 metres squared.

How to find the area of a trapezoid?

The area of a trapezoid can be found as follows:

area of a trapezoid = 1 / 2 (a + b)h

where

a = top baseb = bottom baseh = height of the trapezoid

Therefore,

a = 5metres

b = 13.1 metres

h = 7.2 metres

Hence,

area of a trapezoid = 1 / 2 (5 + 13.1) 7.2

area of a trapezoid = 1 / 2 (18.1)7.2

area of a trapezoid = 130.32 / 2

Therefore,

area of a trapezoid = 65.16 metres squared

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What is one tenth less than 9?

8.99
8.9
8.09
8.0

Answers

Answer:

8.9

Step-by-step explanation:

9.0-0.1= 8.9

which is one-tenth less than 9

Write a polynomial of least degree with integral coefficients that has the given zeros.
1.0, 5, 2
2.-3,-5,3,-1
5. 2 mult.2, -4
3.-5, 2 + i
4.-1, 2i

Answers

The polynomial expressions are P(x) = x(x - 5)(x - 2), P(x) = (x + 3)(x + 5)(x - 3)(x + 1), P(x) = (x + 5)(x² - 4x + 5) and P(x) = (x + 5)(x² + 4)

How to determine the polynomial expressions

Zeros (1): 0, 5, 2

This means that

Roots: x = 0, x = 5 and x = 2

The equation can be represented as

P(x) = (x - root)

So, we have

P(x) = (x - 0)(x - 5)(x - 2)

Evaluate

P(x) = x(x - 5)(x - 2)

Zeros (2): 0, 5, 2

Here, we have

Roots: x = -3, x = -5, x = 3 and x = -1

Using the form in (a), we have

P(x) = (x + 3)(x + 5)(x - 3)(x + 1)

Zeros (3): 0, 5, 2

Here, we have

Roots: x = -5, x = 2 + i

Using the form used abov]e, we have

P(x) = (x + 5)(x - 2 - i)(x - 2 + i)

Expand

P(x) = (x + 5)((x - 2)² + 1)

So, we have

P(x) = (x + 5)(x² - 4x + 5)

Zeros (4): -1 and 2i

Here, we have

Roots: x = -1, x = 2i

Using the form used abov]e, we have

P(x) = (x + 1)(x - 2i)(x + 2i)

Expand

P(x) = (x + 5)(x² + 4)

Zeros (5):2 mult.2, -4

The zeros here are not clear

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The above rollercoaster graph needs a function to go with it. Select the correct functions that begins at (0,12) and ends at (12,0) with a local minimum at (5,1) and a local maximum at (9,6). You need to select one function for the red piece, one function for the green piece, and one function for the purple piece.

Answers

The following values represent the rollercoaster graph scenario most accurately:

is, Red (x) = 6+4 × cos(πx/6) if 0 ≤ x < 6

Green (x) = -2.5 × cos (π(x - 6)/4) + 4.5

Purple (x) = 3.5 - 3.5 × sin (π(x - 12.5)/5)

For Red (x) = 6 + 4 × cos(πx/6) if 0 ≤ x < 6

Define graphs?

The graph is simply a structured representation of the data. It facilitates our understanding of the facts. The numerical information gathered through observation is referred to as data.

The Latin word Datum, which meaning "something provided," is where the word data first appeared.

In the question, where at x = 0, Red(x) = 10,

at x = 5, Red(x) = 2.5

For Green (x) = -2.5 × cos (π(x - 6)/4) + 4.5       if    6 ≤ x < 10

Given, where at x = 10, Green (x) = 7,

So, at x = 6, Green (x) = 2.0

For Purple (x) = 3.5 - 3.5 × sin (π(x - 12.5)/5) if 10 ≤ x ≤ 15

Given, where at x = 10, Purple (x) = 7,

at x = 15, Purple (x) = 0

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The complete question is:

The above rollercoaster graph needs a function to go with it. Select the correct functions that begins at (0,12) and ends at (12,0) with a local minimum at (5,1) and a local maximum at (9,6). You need to select one function for the red piece, one function for the green piece, and one function for the purple piece.

Can someone explain how to do this? I'm confused. Anything helps.
Thank you so much!

Answers

Answer:

28 and 152 degrees

Step-by-step explanation:

Using sine inverse, the answer is 28 or 152 degrees.

Answer:48.87°

Step-by-step explanation:

Jason creates a scaled map of his hometown on a standard (x,y) coordinate plane. Each unit on the map represents 1 mile. He graphs his house at the point (-4,-5) andhis school at the point (-10,-11). Which of the following is closest to the distance, in miles, between Jason's school and his house?

Answers

The distance between Jason's school and his house is 8 miles.

What is the Cartesian system?

Any point can be located using a Cartesian coordinate system or coordinate system, and that point can be plotted as an ordered pair (x, y) known as Coordinates. The origin, symbolized by the letter "O," is the point where the two number lines intersect. The horizontal number line is known as the X-axis, and the vertical number line is known as the Y-axis.

Given that the coordinates of Jason's house is (-4,-5). The coordinates of his school is  (-10,-11).

The formula distance between two points (x₁, y₁) and (x₂, y₂) is √[(x₂ - x₁)² + (y₂ - y₁)²].

Here, x₁ = -4, y₁ = -5,x₂= -10, y₂ = -11

The distance between points is

√[(-10-(-4))² + (-11 - (-5))²]

=√(6² + 6²)

= √(36+36)

= √72

= 6√2

= 8.48

≈ 8 miles

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write the word form of decimal 0.609.​

Answers

zero point six zero nine

Answer: six hundred nine thousandths

Step-by-step explanation:

Theorem proof?
Thanks

Answers

Triangle AXC is congruent to triangle AYB by the SAS Congruence Criteria.

Describe Congruency of triangle?

In geometry, two triangles are said to be congruent if they have the same shape and size. More specifically, two triangles are congruent if all three sides and all three angles of one triangle are equal to the corresponding sides and angles of the other triangle. When two triangles are congruent, they can be superimposed on top of each other, and all corresponding parts of the triangles will match exactly.

There are several ways to prove that two triangles are congruent, including using the side-angle-side (SAS) theorem, the angle-side-angle (ASA) theorem, the side-side-side (SSS) theorem, and the hypotenuse-leg (HL) theorem.

Given that |AB|=|CD| and triangle ABC is isosceles.

We need to prove that triangle AXC = triangle AYB.

To do so, we will use the Side-Angle-Side (SAS) Congruence Criteria.

AC = BC (Given)

∠ACX = ∠BCY (Vertical Angles)

∠CAX = ∠CBY (Base Angles of Isosceles Triangle)

Therefore, triangle AXC is congruent to triangle AYB by the SAS Congruence Criteria.

Hence, proved.

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Lora's phone records data for screen time each week. Last week, she used 750 minutes. This week, Lora used 495 screen time minutes on the phone. Calculate the percent decrease in screen time this week.

27%
34%
40%
52%

Answers

Answer:

34%

Step-by-step explanation:

495 is 66% of 750 so 66% - 100% is 34%

Answer:

34

Step-by-step explanation:

what is x^-2y(x^3y^5)^3 in simplest form

Answers

Hope this helps! My answer typed would probably look like a hot mess so hers a visual:

For any invertible matrix BEM nxn(K), define a function TB: Mnxn(K) → M nxn(K) by
TB (A) = BAB-¹,
where A EM nxn(K). Prove that TB is an isomorphism.

Answers

TB is both one-to-one and onto, it is an isomorphism.

To prove that TB is an isomorphism, we need to show that it is both one-to-one and onto.

One-to-one: Assume TB(A) = TB(C) for some A, C EM nxn(K). Then, BAB-¹ = CBC-¹. Multiplying both sides by B-¹ on the left and B on the right gives B-¹BAB = B-¹CBC. Since B is invertible, B-¹B = I and we have A = C. Therefore, TB is one-to-one.

Onto: Let D EM nxn(K). Then, we can define A = B-¹DB. Since B is invertible, A EM nxn(K) and TB(A) = BAB-¹ = B(B-¹DB)B-¹ = D. Therefore, TB is onto.

Since TB is both one-to-one and onto, it is an isomorphism.

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Find the distance between the two points.

✓ [?]

(-1,-2)

(3,-1)

Enter the number that

goes beneath the

radical symbol.

Answers

Answer: the number that goes beneath the radical symbol is 17

Rowan is training to run in a race. He runs 15 miles in the first week, and each week following, he runs 3% more than the week before. Using a
geometric series formula, find the total number of miles Rowan runs over the first ten weeks of training, rounded to the nearest thousandth.

Answers

The total number of miles Rowan runs over the first ten weeks of training is found as 58 miles.

Explain about the geometric series?

In mathematics, a geometric series is an infinite series with the formula a + ar + ar2 + ar3 +, where r is referred as the common ratio.

In the question:

Rowan is preparing for a race by running. He runs 15 miles the first week, and then he runs 3% more each week after that.

Let 'x' be the miles that Rowan runs in 1st week.

Xn for the nth week.

x1 = 15 (given)

x2 = 15*(1 + 3%) = 15*1.03

Xn = 15*(1 + 3%0ⁿ⁻¹ = 15*(1.03ⁿ⁻¹)

Let 'S' be the total miles.

S = x1 + x2+ .....+ xn

S = 15 + 15 *1.03 + 15*1.03² + ...+ 15*1.03⁹

On solving the series:

S = 15 × 1.(1.03¹⁰ - 1)/0.03

S = 57.31

S = 58

Thus, the total number of miles Rowan runs over the first ten weeks of training is found as 58 miles.

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The reciprocal of 5/11 is:

The reciprocal of 20 is:

Answers

The reciprocal of 5/11 is: 11/5

The reciprocal of 20 is: since 20=20/1 so the reciprocal is 1/20

Answer: 11/5, 1/20

Step-by-step explanation:

The reciprocal of a value is the numerator and denominator of that value switched.

When you look at 5/11, we see that 5 is the numerator and 11 is the denominator. The reciprocal(switch numerator and denominator) is 11/5.

The reciprocal of 20 can be tricky because it isn't written with a denominator. But we know intuitively that 20 is also equal to 20/1.

Therefore we apply the same steps as in the first instance and we get that the reciprocal of 20/1 is 1/20.

A paper company needs to ship paper to large printing business. The paper will be shipped in small boxes and large boxes. The volume of each small box is 7 cubic feet and the volume of each large box is 14 cubit feet. A total of 21 boxes of paper were shipped with a combined volume of 252 cubic feet. write a system of equations that could be determined the number of small boxes shipped in the number of large boxes shipped. Defined the variables that you use to write the system.

Answers

Answer: Let's use the variables x and y to represent the number of small boxes and large boxes shipped, respectively.

The system of equations that could be used to determine the number of each type of box is:

x + y = 21 (equation 1)

7x + 14y = 252 (equation 2)

In equation 1, the left side represents the total number of boxes shipped, which is the sum of the number of small boxes (x) and the number of large boxes (y). The right side of the equation represents the total number of boxes shipped, which is given as 21.

In equation 2, the left side represents the total volume of paper shipped, which is the sum of the volume of all the small boxes (7 cubic feet per box) and the volume of all the large boxes (14 cubic feet per box), multiplied by the number of boxes shipped. The right side of the equation represents the total volume of paper shipped, which is given as 252 cubic feet.

These two equations can be used to solve for x and y, which represent the number of small boxes and large boxes shipped, respectively.

Step-by-step explanation:

If I have a probability distribution of the number of TV's people have in their house (possible values from 0 to 5) and I want to find the probability that a randomly selected person has at least 2 TVS, 1 would write and calculate that as follows: a. PO>2)=P(3)=P(4)=P(5) b. PIX<2)=P(0)=P(1) c. PIX 2) P(0)+P(1)*P(2) d. PIX 22)- P(2)*P(3)*P(4)=P(5)

Answers

P(X ≥ 2) = P(X > 2) + P(X = 2)

To calculate the probability that a randomly selected person has at least 2 TV's, you would first calculate the probability of a person having more than 2 TV's:


 P(X > 2) = P(3) + P(4) + P(5)

Then, you would calculate the probability of a person having less than 2 TV's:


 P(X < 2) = P(0) + P(1)

Finally, you would calculate the probability of a person having exactly 2 TV's:


 P(X = 2) = P(0) + P(1) + P(2) – P(2) x P(3) x P(4) x P(5)

Therefore, the probability that a randomly selected person has at least 2 TV's is:

P(X ≥ 2) = P(X > 2) + P(X = 2)

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Need help to complete the proof.

Y is the midpoint of UW. Prove △VWY ≅ △XUY. Arrange the following reasons to complete the proof.

Reasons: Given, Given, Definition of midpoint, ASA, Vertical Angle Theorem

Answers

Here is the arranged proof:

Given: Y is the midpoint of UW.
Given: ∠VWY ≅ ∠UXY (Vertical Angle Theorem)
Definition of midpoint: Y is equidistant from U and W.
ASA: △VWY ≅ △XUY (By ASA, since Y is equidistant from U and W, and ∠VWY ≅ ∠UXY)

Therefore, △VWY ≅ △XUY is proved.

Use ELIMINATION to solve for (x) and (y). 2y=x-5 2y=x+5 x+2y=13 -x+4y=11 Upload a file that shows each step to solve for (x) and (y).

Answers

The solution to the system of equations using elimination is:

x = 1058/1890

y = 26/90

To solve this system of equations using elimination, we will add the two equations together and rearrange the terms.

2y = x - 5

2y = x + 5

Add the equations together:

2y + 2y = x - 5 + x + 5

4y = 2x + 0

Rearrange the terms:

4y - 2x = 0

We will now use this equation and the equation x + 2y = 13 to solve for x and y.

Substitute 4y - 2x = 0 into x + 2y = 13:

x + 2(4y - 2x) = 13

x + 8y - 4x = 13

Rearrange the terms:

5x + 8y = 13

Substitute 4y - 2x = 0 into 5x + 8y = 13:

5x + 8(4y - 2x) = 13

5x + 32y - 16x = 13

Rearrange the terms:

21x + 32y = 13

Divide by 21:

x + (32/21)y = 13/21

Rearrange the terms:

x = 13/21 - (32/21)y

Substitute x = 13/21 - (32/21)y into 4y - 2x = 0:

4y - 2(13/21 - (32/21)y) = 0

4y - (26/21) + (64/21)y = 0

Rearrange the terms:

(90/21)y = 26/21

y = (26/21) / (90/21)

y = 26/90

Substitute y = 26/90 into x = 13/21 - (32/21)y:

x = 13/21 - (32/21)(26/90)

x = 13/21 - (832/1890)

x = 1058/1890

The solution to the system of equations is:

x = 1058/1890

y = 26/90

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Decide whether exch of the following sets is (a) cokntable or (b) unorumtable : (Note : a finite set is considered to be coumtable).
{x∈R:2 {x∈Q:∣x∣≥2}
{x∈Q:∣x∣<4}

Answers

The first set is countable, the second set is also countable. The third set is also countable.


(a) The set {x∈R:2 is countable because it is finite.
(b) The set {x∈Q:∣x∣≥2} is countable because it is a subset of the rational numbers, which are countable.
(c) The set {x∈Q:∣x∣<4} is countable because it is a subset of the rational numbers, which are countable.

What did you mean by set?

In Maths, sets are referred as a collection of well-defined objects or elements. A set is usually represented by a capital letter symbol and the total number of elements in the finite set is basically represented as the cardinal number of a set in a curly bracket.

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Calculate the next term in the arithmetic sequence that
increases by 21, if the current term is 55.
What is the next term if the first two terms of a
Fibonacci sequence are 2, 25?
Find the 72th term o

Answers

3525

The next term in the arithmetic sequence that increases by 21, starting at 55, is 76. The next two terms of the Fibonacci sequence are 67 and 109, and the 72nd term is 3525.

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I NEED HELP ON THIS ASAP!!!

Answers

Step-by-step explanation:

Refer to pic...........

Can someone help me write a proof for this problem

Answers

The solution is, the triangle ABC and DBC are congruent, by the Side-Angle-Side Triangle Congruence Theorem.  

What is triangle?

A triangle is a polygon with three edges and three vertices. It is one of the basic shapes in geometry. A triangle with vertices A, B, and C is denoted \triangle ABC. In Euclidean geometry, any three points, when non-collinear, determine a unique triangle and simultaneously, a unique plane.

here, we have,

As we can seen from the given figure that two triangles are given.

The triangles ABC and BDC are :

AB = CD

AC = BD

BC = BC

Hence using the SSS theorem of the triangle, the triangle ABC and DBC are congruent, Thus the angle A  is equal to angle D.

Hence the option D and E are correct. i.e. congruent by the Side-Angle-Side Triangle Congruence Theorem.  

Learn more about the statements that are true about the triangles.

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where does fission regularly occur and what kind of energy is produced​

Answers

Fission occurs in a nuclear power plant. The energy produced comes in the form of heat.

$18,000 is deposited for 9 years in an account earning 4% interest. (Round your answers to two decimal places.)
(a) Calculate the future value of the investment if interest is compounded semiannually.
$ _____
(b) Calculate the future value if interest is compounded quarterly.
$ _____
(c) How much greater is the future value of the investment when the interest is compounded quarterly?
$ _____

Answers

(a)  The future value of the investment if interest is compounded semiannually is $24,840.28.

(b) The future value of the investment if interest is compounded quarterly is $25,025.68.

(c) The future value of the investment is $185.40 greater when the interest is compounded quarterly.

The future value of an investment can be calculated using the formula FV = P(1 + r/n)^(nt), where FV is the future value, P is the principal amount deposited, r is the annual interest rate, n is the number of times interest is compounded per year, and t is the number of years the investment is held.



If the interest is compounded semiannually, then n = 2. Plugging in the given values, we get:



FV = 18000(1 + 0.04/2)^(2*9)

FV = 18000(1.02)^18

FV = $24,840.28



So the future value of the investment if interest is compounded semiannually is $24,840.28.



If the interest is compounded quarterly, then n = 4. Plugging in the given values, we get:



FV = 18000(1 + 0.04/4)^(4*9)

FV = 18000(1.01)^36

FV = $25,025.68



So the future value of the investment if interest is compounded quarterly is $25,025.68.



To find out how much greater the future value of the investment is when the interest is compounded quarterly, we can subtract the future value when interest is compounded semiannually from the future value when interest is compounded quarterly:



$25,025.68 - $24,840.28 = $185.40



So the future value of the investment is $185.40 greater when the interest is compounded quarterly.

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Use the graph to write the explicit rule of the arithmetic sequence.

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Therefore , the solution of the given problem of graph comes out to be option A f(n) = 7 - 2(n-1)

What is a graph?

Theoretical physicists use graphs to analytically chart or visually represent claims rather than values. A graph point typically depicts the relationship between any number of things. A specific type of non-linear train assembly made up of clusters and lines is known as a graph. Glue should be used to connect the networks, also referred as the boundaries. In this network, the nodes had the numbers 1, 2, 3, and 5, whilst edges had the numbers 1, 2, 3, and 4, as well as the numbers (2.5), (3.5), (4.5), and yet also (4.5). (4.5).

Here,

We can use the following method to determine the general term of an arithmetic series:

=> f(n) = a + (n-1)d

where the usual difference is "d" and "a" is the first term.

Since the series begins at 7, "a" is 7, as shown by the graph. Additionally, since each term reduces by 2, we can see that the common difference is 2.

Consequently, the following is the arithmetic sequence's stated rule:

A) f(n) = 7 - 2(n-1)

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