Given circle assume that AB Is tangent to the circle and AD Passes through the center of the circle. If the circle has a radius of 5CM and AB is 6CM what is the length of the secant

Answer:

24 cubic inches

Step-by-step explanation:

The formulas for the volume of a cylinder and cone are ...

volume of a cylinder = πr^2·h

volume of a cone = (1/3)πr^2·h

For the same radius and height, the cone has 1/3 the volume of the cylinder. Your cone's volume is ...

(1/3)·(72 cubic inches) = 24 cubic inches

Final answer:

To find the volume of a cone with the same height and radius as a cylinder with a volume of 72 cubic inches, divide the cylinder's volume by 3. The resulting volume of the cone is 24 cubic inches.

Explanation:

Calculating the Volume of a Cone

The student's question involves finding the volume of a cone that has the same height and radius as a given cylinder with a known volume. Since the volume of the cylinder is given as 72 cubic inches, we can use this information to find the volume of the cone. The formula for the volume of a cylinder is V = πr²h, where r is the radius and h is the height. For a cone with the same height and radius, the formula to calculate the volume is V = ⅓πr²h. This formula for cone volume is derived from the fact that it's one-third of the volume of a cylinder with the same height and radius.

Given that the cylinder's volume is 72 cubic inches, the volume of the cone would be V = ⅓ × 72 cubic inches, which simplifies to V = 24 cubic inches. This means the volume of the cone is 24 cubic inches.

To summarize the process:

Use the given volume of the cylinder to reference the volume of the cone.

Apply the formula for the cone's volume: V = ⅓πr²h.

Since the volume of the cylinder is three times that of the cone, divide the cylinder's volume by 3 to get the cone's volume.

Answer:

Luke drew the greater garden plan

The area of the greatest garden  = 225 feet²

Step-by-step explanation:

* The gardens are in the shape of rectangle and square

- The Nancy's garden is in a shape of a rectangle because it has

  two different dimensions, 18 feet and 12 feet

- The Luke's garden is in a shape of a square because it has

  two same dimensions, 15 feet and 15 feet

- The area of the rectangle = L × W

- The area of the square = L × L = L²

∵ In Nancy garden, L = 18 feet and W = 12 feet

∴ The area = 18 × 12 = 216 feet²

∵ In Luke garden, L = 15 feet

∴ The area = 15² = 225 feet²

∵ 225 > 216

* The area of Luke garden is greater than the area of Nancy garden

* Luke drew the greater garden plan

* The area of the greatest garden = 225 feet²

Luke drew the garden plan with the greater area. His plan measures 15 feet by 15 feet, resulting in an area of 225 square feet compared to Nancy's 18 feet by 12 feet garden plan, which has an area of 216 square feet.

To determine who drew the garden plans with the greater area, we must calculate the area of each rectangle. The area of a rectangle is found by multiplying its length by its width. For Nancy's garden plan, which is 18 feet by 12 feet, the area is calculated as follows:

Area = Length × Width = 18 feet × 12 feet = 216 square feet.

For Luke's garden plan, which is a square of 15 feet by 15 feet, the area is calculated as:

Area = Length × Width = 15 feet × 15 feet = 225 square feet.

Comparing the two areas, Luke's garden plan is 225 square feet and Nancy's is 216 square feet. Therefore, Luke drew the garden plans with the greater area.

Answer:

Step-by-step explanation:

The volume of a cuboid is given by the product of its dimensions. Here, that is ...

  (12 cm)·(6 cm)·(3.5 cm) = 252 cm³

We are told the mass of each cm³ is 8.6, so 252 of them will have a mass of ...

  8.6·252 cm³ = 2167.2 . . . . . no units specified

Answer: $78

Step-by-step explanation:

Find the number of blocks as following:

[tex]blocks=\frac{9pounds}{\frac{3}{4}pounds}\\\\blocks=12[/tex]

You know that they sell each block for $6.50.

Therefore, if they sell all the fudge then you can calculate the amount of money they will make (which you can call x)  by multiplying the number of blocks by the price of each one of them. Therefore, you obtain:

[tex]x=\$6.50*12\\x=\$78[/tex]

Answer:

The Daniels family will make $78.

Step-by-step explanation:

We know that 9 pound cake made by the Daniels family was separated into 3/4 pound block.

So we will divide the total amount of cake by 3/4 to find the number of blocks:

[tex] \frac { 9 } { \frac { 3 } { 4 } } = \frac { 9 \times 4 } { 3 } = 12 [/tex]

We are given that each block is sold at $6.50 so we need to find the total amount of money they will make if all blocks are sold.

Total money = [tex]12 \times 6.5[/tex] = $78

Answer:

∠A = ∠B = 80°

Step-by-step explanation:

The angles are corresponding angles where a transversal crosses parallel lines, so are congruent. That means ...

∠A = ∠B

8x -8° = 5x +25° . . . . . substitute the given expressions

3x = 33° . . . . . . . . . . . . add 8°-5x

x = 11° . . . . . . . . . . . . . . divide by 3

Then the angles are ...

8·11° -8° = 80°

To turn a number into scientific notation, move the decimal point so that there is only 1 number to the left of the decimal point.

Count the number of spaces you moved the decimal point.

If you move the decimal point to the right, the exponent is negative, if you move it to the left the exponent is positive.

0.000075

You need to move the decimal point 5 places to the right to get 7.5

Because it was moved to the right, the exponent is negative 5

The answer would be 7.5 x 10^-5 which is B.

The scientific notation of 0.000075 is 7.5 x [tex]10^{-5[/tex]. This is because in converting to scientific notation, the goal is to have a number >=1 but <10 multiplied by 10 raised to an exponent. In this case, the decimal was moved 5 places to the right to result in a number <10.

In mathematics, scientific notation is used to express very large or very small numbers in a simpler way by using powers of ten. In this case, you're trying to represent the number 0.000075. To do this accurately in scientific notation, we would write it as 7.5 x [tex]10^{-5[/tex]. This is because the exponent of the 10 represents how many places the decimal point was moved to convert the number to a new form where a number greater than or equal to 1 but less than 10 is multiplied by 10 raised to an exponent.

In the case of option D - 75 x [tex]10^{-6[/tex], it's suggesting we moved the decimal place 6 places to the right to a number that's >= 10, which is incorrect. The decimal is moved 5 places to the right to get a number that's less than 10. Thus, the correct answer is B - 7.5 x [tex]10^{-5[/tex].

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Answer:

[tex]\large\boxed{x=-8\ and\ y=9\to(-8,\ 9)}[/tex]

Step-by-step explanation:

[tex]a)\ \text{Elimination method:}\\\\\left\{\begin{array}{ccc}3x+4y=12\\x+2y=10&\text{multiply both sides by (-2)}\end{array}\right\\\\\underline{+\left\{\begin{array}{ccc}3x+4y=12\\-2x-4y=-20\end{array}\right}\qquad\text{add both sides of the equations}\\.\qquad \boxed{x=-8}\\\\\text{Put the value of x to the second equation:}\\-8+2y=10\qquad\text{add 8 to both sides}\\2y=18\qquad\text{divide both sides by 2}\\\boxed{y=9}[/tex]

[tex]b)\ \text{Substitution method:}\\\\\left\{\begin{array}{ccc}3x+4y=12\\x+2y=10&\text{subtract 2y from both sides}\end{array}\right\\\\\left\{\begin{array}{ccc}3x+4y=12&(1)\\x=10-2y&(2)\end{array}\right\qquad\text{subtract (2) to (1)}\\\\3(10-2y)+4y=12\qquad\text{use distributive property}\\(3)(10)+(3)(-2y)+4y=12\\30-6y+4y=12\qquad\text{subtract 30 from both sides}\\-2y=-18\qquad\text{divide both sides by (-2)}\\\boxed{y=9}\\\\\text{Put the value of y to (2):}\\x=10-2(9)\\x=10-18\\\boxed{x=-8}[/tex]

Answer:

  Table B

Step-by-step explanation:

The table represents a linear function if the ratio of change in y (∆y) to change in x (∆x) is a constant.

A — first two points: ∆y/∆x = (1-2)/(3-0) = -1/3

  second two points: ∆y/∆x = (6-1)/(4-3) = 5 ≠ -1/3

__

B — first two points: ∆y/∆x = (2-(-3))/(4-(-1)) = 5/5 = 1

  second two points: ∆y/∆x = (4-2)/(6-4) = 2/2 = 1, the same as for the first points. This is the table that answers the question.

__

C — first two points: ∆y/∆x = (0-(-2))/(0-(-3)) = 2/3

  second two points: ∆y/∆x = (4-0)/(2-0) = 4/2 = 2 ≠ 2/3

__

D — first two points: ∆y/∆x = (-2-(-7))/(0-5) = 5/-5 = -1

  second two points: ∆y/∆x = (2-(-2))/(2-0) = 4/2 = 2 ≠ -1

Table 3, with the ordered pairs (-3, -2), (0, 0), and (2, 4), appears to represent a linear function due to the consistent changes in 'y' as 'x' increases.

Let's analyze each table to determine which one appears to represent a linear function:

Table 1:

In this table, as 'x' increases by 3 units (from 0 to 3) and then by 1 unit (from 3 to 4), 'y' changes from 2 to 1 and then to 6. The changes in 'y' are not consistent, so this table does not appear to represent a linear function.

Table 2:

In this table, as 'x' increases by 5 units (from -1 to 4) and then by 2 units (from 4 to 6), 'y' changes from -3 to 2 and then to 4. The changes in 'y' are not consistent, so this table does not appear to represent a linear function.

Table 3:

In this table, as 'x' increases by 3 units (from -3 to 0) and then by 2 units (from 0 to 2), 'y' changes from -2 to 0 and then to 4. The changes in 'y' are consistent, indicating a linear relationship between 'x' and 'y.'

Table 4:

In this table, as 'x' increases by 5 units (from 0 to 5) and then by 2 units (from 2 to 0), 'y' changes from -2 to 2 and then to -7. The changes in 'y' are not consistent, so this table does not appear to represent a linear function.

Based on the consistent changes in 'y' as 'x' increases in Table 3, it appears to represent a linear function. So, Table 3 is the one that shows a set of ordered pairs that appears to lie on the graph of a linear function.

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Answer:

[tex]\frac{5}{12}[/tex]  feet

Step-by-step explanation:

Let height of mandy be m, sophia be s, and alexis be a

"sophia is 3/4 as tall as mandy":

[tex]s=\frac{3}{4}m[/tex]

"alexis is 5/6 as tall as mandy":

[tex]a=\frac{5}{6}m[/tex]

Since mandy is 5 feet, we plug in 5 into m in both of the equations to find height of alexis and sophia.

Sophia  =  [tex]\frac{3}{4}(5)=\frac{15}{4}[/tex]

Alexis  =  [tex]\frac{5}{6}(5)=\frac{25}{6}[/tex]

Difference in height of Alexis and Sophia is  [tex]\frac{25}{6}-\frac{15}{4}=\frac{5}{12}[/tex] feet

HEY!

SOLUTION :

[tex]a(x + b) = c \\ \\ = ax + ab = c \\ \\ = ax = c - ab \\ = x = \frac{c - ab}{a} [/tex]

Thanks!

Answer:

The height of the soccer ball is above 35 ft when t is more than 0.947 seconds and less than 2.178 seconds after it is kicked.

Step-by-step explanation:

You are right, it doesn't make sense. The question seems to ask for the specific times at which height is 35 feet, but the "answer" wording suggests an interval is of interest.

_____

This is a good question to ask your teacher about.

The domain of the function c(t) = 0.09t is 0 < t < 444, so that he spend no more than $40 per month on her texting bill.

An equation is an expression that shows the relationship between two or more numbers and variables.

Let c(t) represents the total phone bill based on the number of texts (t). Since:

c(t) = 0.09t and c ≤ $40, hence:

40 = 0.09t

t = 444

The domain of the function c(t) = 0.09t is 0 < t < 444, so that he spend no more than $40 per month on her texting bill.

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Answer:

Hope this helps you on your Assignment :D

Answer:

7.  combination; 25C6 = 177100

8.  combination; 15C5 = 3003

Step-by-step explanation:

7. The order of the committee member selections is not important. (It would be if specific people filled specific positions on the committee.) Hence, the number is a number of combinations of 25 people taken 6 at a time.

__

8. The order of players is not important, as it might be if specific choices filled specific positions on the team. (The problem statement gives no indication that is the case. It is only by our knowledge of basketball teams that we entertain the possibility that order might be important.) Hence, the number is a number of combinations of 15 people taken 5 at a time.

_____

Of course, nCk = n!/(k!(n-k)!)

Answer:

[tex]m\angle MEJ=25^{\circ}.[/tex]

Step-by-step explanation:

The arcs LY, KM, KL and MJ together form the full revolution angle, thus

[tex]4x+50^{\circ}+6x+x+10^{\circ}+4x=360^{\circ},\\ \\15x=300^{\circ},\\ \\x=20^{\circ}.[/tex]

Note that

[tex]m\angle MOJ=4x=80^{\circ},[/tex]

then

[tex]m\angle MLJ=\dfrac{1}{2}\cdot 80^{\circ}=40^{\circ}.[/tex]

So,

[tex]m\angle ELM=180^{\circ}-40^{\circ}=140^{\circ}.[/tex]

Also

[tex]m\angle LOK=30^{\circ},[/tex]

so

[tex]m\angle KML=\dfrac{1}{2}\cdot 30^{\circ}=15^{\circ}.[/tex]

In triangle EML,

[tex]m\angle MEL+m\angle EML+m\angle ELM=180^{\circ},\\ \\m\angle MEL=180^{\circ}-15^{\circ}-140^{\circ}=25^{\circ}.[/tex]

Thus, [tex]m\angle MEJ=25^{\circ}.[/tex]

A "100 chart" is a listing of all the numbers 1 to 100, in rows of 10. This results in columns of numbers that all end in the same digit. For your purpose of instructing your little brother, I recommend you web-search for "100 chart" and print one of the ones available.

Locating the given numbers on a "100 chart", you find they are in the last 4 columns of the rows ending in 20, 30, 40, 50. Overlaying the boxes onto the chart, you see they correspond to number positions ...

  17 _ _ 20

  27 _ 29 _

  _ 38 _ 40

  47 _ _ 50

Answer:

  A ≈ 67°

Step-by-step explanation:

Since you have all three sides of the right triangle, you can use any of the inverse trig functions to find the angle. SOH CAH TOA reminds you ...

  Sin(A) = Opposite/Hypotenuse = 12/13

  A = arcsin(12/13) ≈ 67°

__

  Cos(A) = Adjacent/Hypotenuse = 5/13

  A = arccos(5/13) ≈ 67°

__

  Tan(A) = Opposite/Adjacent = 12/5 = 2.4

  A = arctan(2.4) ≈ 67°

_____

Comment on calculator use

When you use your calculator for these inverse functions, make sure it is in "degrees" mode (not "radians"). Your calculator keys may be labeled with a "-1" superscript to indicate the inverse function. You can use the rounding function of your calculator, or you can round the number yourself (probably easier).

  sin⁻¹ = arcsin

  cos⁻¹ = arccos

  tan⁻¹ = arctan

A Google search box is also capable of showing you the inverse trig function value. (see attachment)

Answer:

Step-by-step explanation:

It's a right triangle, because:

[tex]5^2+12^2=13^2\\25+144=169\\169=169[/tex]

Pythagorean teorem.

Use sine:

[tex]sine=\dfrac{opposite}{hypotenuse}[/tex]

We have:

[tex]opposite=12\\hypotenuse=13[/tex]

[tex]\sin A=\dfrac{12}{13}\approx0.9231\Rightarrow67^o[/tex]

Try this suggested option (see the attached picture).

Answer:

Step-by-step explanation:

Brackets in mathematics are a little like periods in grammar.

They tell you exactly what you need to do.

In the question you have listed

3z^3 means that only the z is raised to the third power.

(3z)^3 means both the 3 and the z are raised to the third power. 3^3 * z^3 =

27 z^3     This is a valuable question to know the answer to.

Answer:

Step-by-step explanation:

The negative coefficient of x^2 tells you the parabola opens downward. (Any even-degree polynomial with a negative leading coefficient will open downward.)

Going through the steps for completing the square, we ...

1. Factor out the leading coefficient from the x-terms

  -1(x^2 +14x) +1

2. Add the square of half the x-coefficient inside parentheses, subtract the same amount outside parentheses.

  -1(x^2 +14x +49) -(-1·49) +1

3. Simplify, expressing the content of parentheses as a square.

  -(x +7)^2 +50

4. Compare to the vertex form to find the vertex. For vertex (h, k), the form is

  a(x -h)^2 +k

so your vertex is ...

  (h, k) = (-7, 50) . . . . . . . . . a = -1 < 0, so the curve opens downward. The vertex is a maximum.

The maximum value of the expression is 50.

The solution is : the area, in square feet, of the mat is 169π/4 ft^2.

Area is defined as the total space taken up by a flat (2-D) surface or shape of an object. The space enclosed by the boundary of a plane figure is called its area. The area of a figure is the number of unit squares that cover the surface of a closed figure. Area is measured in square units like cm² and m². Area of a shape is a two dimensional quantity.

here, we have,

we know that,

Circumference = π * d

Diameter = 2r

Area of a circle = πr²

From our first equation, we can find our value for our diameter:

We do this by dividing 13π by π to get 13.

so, we get,

C = πd

or, 13π = πd

or, d = 13π/π

or, d = 13

Using our second equation, we can find out the value for our radius:

d = 2r

so, r = 13/2

Now we have a value for our radius, we can use our third equation to find out our area:

A = πr²

so, A = π(13/2)²

or, A = 169π/4

Hence, The solution is : the area, in square feet, of the mat is 169π/4 ft^2.

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The area of the circular mat with a circumference of 13π feet is 42.25π square feet, calculated by first determining the radius from the circumference and then using the area formula.

To find the area of the circular mat when given the circumference, we can start by recalling the relationship between the circumference (C) and the radius (r) of a circle. The formula for circumference is C = 2πr. From this, we can solve for the radius:

C = 2πr
13π = 2πr
r = 13π / 2π
r = 6.5 feet

Now we have the radius, so we can find the area (A) of the circle using the formula A = πr²:

A = π(6.5)²
A = π×42.25
A = 42.25π square feet

Thus, the area of the circular mat is 42.25π square feet.

Answer:

y = -2(x+2)(x-1)/((x+3)(x-6)) = (-2x^2 -2x +4)/(x^2 -3x -18)

Step-by-step explanation:

A polynomial function will have a zero at x=a if it has a factor of (x-a). For the rational function to have zeros at x=-2 and x=1, the numerator factors must include (x+2) and (x-1).

For the function to have vertical asymptotes at x=-3 and x=6, the denominator of the rational function must have zeros there. That is, the denominator must have factors (x+3) and (x-6). Then the function with the required zeros and vertical asymtotes must look like ...

f(x) = (x+2)(x-1)/((x+3)(x-6))

This function will have a horizontal asymptote at x=1 because the numerator and denominator degrees are the same. In order for the horizontal asymptote to be -2, we must multiply this function by -2.

The rational function may be ...

y = -2(x +2)(x -1)/((x +3)(x -6))

If you want the factors multiplied out, this becomes

y = (-2x^2 -2x +4)/(x^2 -3x -18)

Answer:

y = -2(x+2)(x-1)/((x+3)(x-6)) = (-2x^2 -2x +4)/(x^2 -3x -18)

Step-by-step explanation:

A polynomial function will have a zero at x=a if it has a factor of (x-a). For the rational function to have zeros at x=-2 and x=1, the numerator factors must include (x+2) and (x-1).

For the function to have vertical asymptotes at x=-3 and x=6, the denominator of the rational function must have zeros there. That is, the denominator must have factors (x+3) and (x-6). Then the function with the required zeros and vertical asymptotes must look like ...

f(x) = (x+2)(x-1)/((x+3)(x-6))

This function will have a horizontal asymptote at x=1 because the numerator and denominator degrees are the same. In order for the horizontal asymptote to be -2, we must multiply this function by -2.

The rational function may be ...

y = -2(x +2)(x -1)/((x +3)(x -6))

If you want the factors multiplied out, this becomes

y = (-2x^2 -2x +4)/(x^2 -3x -18)

Answer:

4 hours

Step-by-step explanation:

Let h represent the number of hours the high-power pump requires to fill the pool. Then the number of pools it can fill per hour is 1/h. The low-power pump can fill 1/(h+2) pools in an hour. Together, they can fill 1 pool in 1.2 hours:

1/h + 1/(h+2) = 1/2.4

h+2 +h = h(h+2)/2.4 . . . . . . . multiply by h(h+2)

4.8h +4.8 = h^2 +2h . . . . . . multiply by 2.4

h^2 -2.8h = 4.8 . . . . . . . . . . put in form suitable for completing the square

h^2 -2.8h +1.96 = 6.76 . . . add (2.8/2)^2 = 1.96 to complete the square

h - 1.4 = √6.76 . . . . . . . . . . take the square root of both sides

h = 1.4 +2.6 = 4 . . . . . . . . . hours

Answer:

[tex]tan(D)=\frac{12}{5}[/tex]

Step-by-step explanation:

we know that

In the right triangle DEF

The tangent of angle D is equal to the opposite side angle D divided by the adjacent side angle D

so

[tex]tan(D)=\frac{EF}{ED}[/tex]

substitute the values

[tex]tan(D)=\frac{12}{5}[/tex]

Answer:

Interest Earned = $1958

Value of total investment - $6490

Step-by-step explanation:

We can solve for both the questions by using the formula:

[tex]A=P(1+\frac{r}{n})^{nt}[/tex]

Where,

A is the future amount (original PLUS interest)

P is the initial amount

r is the rate of interest

n is the number of times interest is compounded per year

t is the time in years

For out problem, P = 4532, r is 0.06 (6%), n is 12 (since monthly compounding in 1 year), t = 6. Plugging these into the equation, we get A (the future amount).

[tex]A=P(1+\frac{r}{n})^{nt}\\A=4532(1+\frac{0.06}{12})^{(12)(6)}\\A=4532(1.005)^{72}\\A=6490[/tex]

This is the amount including interest. Hence,

Interest earned = 6490 - 4532 = $1958

Your total investment would be A, which is $6490

Answer:

  see the attachment

Step-by-step explanation:

f(x) = x defines a line with a slope of 1 (upward to the right). Only the bottom two graphs have such a line.

The inequality symbol ≥ means the function has this definition for the case when x = 1. That is, f(x) ≥ x for x≥1 means f(1) = 1. The solid dot means that point on the graph is a point that satisfies the function definition.

The graph at lower right is a graph that includes the point f(1) = 3, which is not the same function as the one in the problem statement.

Answer:

40,320

Step-by-step explanation:

The first object in the arrangement can be chosen 8 ways. The second, 7 ways (after the first one is chosen). And so on down to the last object, which will be the only remaining one. Altogether, the number of ways you can arrange the objects is ...

8·7·6·5·4·3·2·1 = 8! = 40,320

Answer:

8! = 40320

Step-by-step explanation:

there are 8 for first, then 7 for second and so on for 1 for the 8th  , so it's 8!

Answer:

224 in^3

Step-by-step explanation:

The foruma appropriate to the calculation of the cone's volume is ...

V = (1/3)Bh

where B represents the area of the base and h represents the height.

For your numbers, this is ...

V = (1/3)·(48 in^2)(14 in) = (16 in^2)(14 in) = 224 in^3

Answer:

23/15

Step-by-step explanation:

find g(-3)

    g(-3) = 2(-3)² + 5 = 2(9) + 5 = 18 + 5 = 23

Now find p(-3)

    p(-3) = (-3)² - 2(-3) = 9 - (-6) = 9 + 6 = 15

Now find g(-3)/p(-3)

  23/15

We can employ a simple repeated decimal trick:

[tex]x=1.111\ldots[/tex]

[tex]0.1x=0.111\ldots[/tex]

[tex]\implies x-0.1x=1\implies0.9x=1\implies x=\dfrac1{0.9}=\dfrac{10}9[/tex]

###

Alternatively, we can compute the partial sum of the series.

[tex]\displaystyle S_n=\sum_{k=0}^n\dfrac1{10^k}[/tex]

[tex]S_n=1+0.1+0.01+\cdots+\dfrac1{10^n}[/tex]

[tex]0.1S_n=0.1+0.01+0.001+\cdots+\dfrac1{10^{n+1}}[/tex]

[tex]\implies S_n-0.1S_n=0.9S_n=1-\dfrac1{10^{n+1}}[/tex]

[tex]\implies S_n=\dfrac{10}9-\dfrac9{10^n}[/tex]

As [tex]n\to\infty[/tex], the second term vanishes and we're left with [tex]\dfrac{10}9[/tex]. Notice that this is really just a more formal version of the earlier trick.

Answer:

1.11

Step-by-step explanation: