Explain how to use Pascal's Triangle to expand the binomial (3x-4y)^11

Answers

Answer 1

The expansion of (3x-4y)¹¹ using Pascal's Triangle is:

177147x¹¹ - 2598156x¹⁰y - 17321040x⁹y² - 69284160x⁸y³ - 184757760x⁷y⁴ -  344881152x⁶y⁵ - 458941536x⁵y⁶ - 437944320 x⁴y⁷ - 291962880x³y⁸ - 129761280x²y⁹ + 34603008xy¹⁰ - 4194304y¹¹.

What is Pascal's Triangle?The triangle-shaped array of integers known as Pascal's triangle has one at the top and one on each of its two sides. Every new number has a value equal to the sum of the two numbers above it and is located between two other numbers and underneath them. Pascal's triangle is a triangular array of binomial coefficients that appears in algebra, combinatorics, and probability theory.In algebra, a triangle-shaped grouping of integers known as Pascal's triangle provides the coefficients for the expansion of any binomial formula, such as (x + y)ⁿ. Although it is much older, it bears the name of the French mathematician Blaise Pascal from the 17th century.

So, the expression is:

(3x-4y)¹¹

Now, use Pascal's Triangle to expand as follows:

(Refer table attached below for expansion)

Therefore, the expansion of (3x-4y)¹¹ using Pascal's Triangle is:

177147x¹¹ - 2598156x¹⁰y - 17321040x⁹y² - 69284160x⁸y³ - 184757760x⁷y⁴ -  344881152x⁶y⁵ - 458941536x⁵y⁶ - 437944320 x⁴y⁷ - 291962880x³y⁸ - 129761280x²y⁹ + 34603008xy¹⁰ - 4194304y¹¹.

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Explain How To Use Pascal's Triangle To Expand The Binomial (3x-4y)^11

Related Questions

a- 10 units
b-12.0 units
c-11.4 units
d-13.4 units

Answers

Using the distance formula, the distance between the point is √130.

In the given question we have to find the distance between given point in the graph.

From the graph the given points are (4,4) and (-3, -5).

The formula for the distance between point is

Distance = √{x(2)-x(1)}^2+{y(2)-y(1)}^2

From the given points; x(1)=4, y(1)=4, x(2)= -3 and y(2)= -5.

Now putting the value:

Distance = √{-3-4}^2+{-5-4}^2

Distance = √{-7}^2+{-9}^2

Distance = √49+81

Distance = √130

The distance between the point is √130.

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Martha's employee benefits include family health-care coverage. She contributes 18% of the
cost. Martha gets paid biweekly and $108.00 is taken out of each paycheck for family health-care
coverage. How much does her employer contribute annually for the family coverage?
use dollar sign, decimal and comma

Answers

The family coverage paid by Martha's employer for health care coverage is $2592.

What is a health care coverage?

Health insurance is a sort of insurance that pays for unexpected medical costs brought on by a disease. These expenditures may be associated with the price of hospitalisation, or the cost of medical visits.

Main body:

Let the total biweekly salary of Martha be x.

Therefore according to question :

18% of x =$108

(18/100)*x =108

x= 600

Martha earns $600 biweekly.

monthly earning of Martha be 600*2 =$1200

Therefore total coverage annually = 108*total salary day

                                                          =108*24

                                                          =$2592

Hence the answer is $2592.

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Write a system of equations to describe the situation below, solve using elimination, and fill in the blanks.

There are two mystery numbers. The sum of 6 times the first number and 4 times the second number is -2. The sum of 6 times the first number and 2 times the second number is 8. What are the two numbers?

Answers

The first number is 3 and the second number is -5.

According to the question,

We have the following information:

There are two mystery numbers. The sum of 6 times the first number and 4 times the second number is -2. The sum of 6 times the first number and 2 times the second number is 8.

Now, let's take the first number to be x and the second number to be y.

So, we have the following expressions:

6x+4y = - 2

6x = -2-4y ...(1)

6x+2y = 8

Putting the value of 6x from equation 1:

-2-4y+2y = 8

-2-2y = 8

-2y = 8+2

-2y = 10

y = -10/2

y = -5

Putting this value of y in equation 1:

6x = -2-4y

6x = -2-4*(-5)

6x = -2+20

6x = 18

x = 18/6

x = 3

Hence, the first number is 3 and the second number is -5.

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hourly wage is $10.50. If she
regularly works 40 hours per week, what is
her regular weekly pay?

Answers

Answer:

$420

Step-by-step explanation:

multiple 10.50 by 40 to get 420

There are 90 new houses being built in a neighborhood.last month, 1/5 of them were sold. this month,1/3 of the remaining houses were sold. How many houses were left to be sold?

Answers

Step-by-step explanation:

1:

1/5 of 90 = 18 hours which are sold.Means are 72 houses left.

2.

1/3 of 72 =24 houses sold again. Sooo means there are 48 houses left to be sold

5x-3/x-1 what is the inverse of this

Answers

Answer:

[tex]f^{-1}(x)=\dfrac{3-x}{5-x}, \quad \{x|x\neq 5\}[/tex]

Step-by-step explanation:

Given function:

[tex]f(x)=\dfrac{5x-3}{x-1}[/tex]

As the given function is a rational function, the domain and range are restricted.

Domain:  (-∞, 1) ∪ (1, ∞).Range:  (-∞, 5) ∪ (5, ∞).

f⁻¹(x) is the notation for the inverse of the function.  

The inverse of a function is a reflection in the line y = x.

To find the inverse of the given function, swap f(x) for y:

[tex]\implies y=\dfrac{5x-3}{x-1}[/tex]

Rearrange the equation to isolate x:

[tex]\implies y(x-1)=5x-3[/tex]

[tex]\implies xy-y=5x-3[/tex]

[tex]\implies 3-y=5x-xy[/tex]

[tex]\implies 3-y=x(5-y)[/tex]

[tex]\implies x=\dfrac{3-y}{5-y}[/tex]

Swap the x for f⁻¹(x) and the y for x:

[tex]\implies f^{-1}(x)=\dfrac{3-x}{5-x}[/tex]

The range of the function is the domain of the inverse function.

Therefore, the domain of the inverse function is restricted:

Domain of f⁻¹(x):  (-∞, 5) ∪ (5, ∞).

9. Every 4th person who walks into the dance gets a free water bottle. Every 9th person who walks in
gets an integrity ticket. Who will be the first person to get both a water bottle and an integrity ticket at
the dance?

Answers

The first person to get both integrity ticket and free water bottle is the person who comes 36th. This can be calculated by using L.C.M

What is L.C.M?

The value that's equally divided by 2 provided numbers is that the lowest common multiple of any two. Least common multiple is its full name. Another name for it's the Lowest common divisor (LCD)

Main Body:

According to question,

Every 4th person who walks into the dance gets a free water bottle

Every 9th person who walks in gets an integrity ticket.

so the L.C.M of 4 and 9 should be calculated.

L.C.M of 4 and 9 is 36.

Hence L.C.M is 36

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1.25x10^-3/1.25x10^3

Answers

By solving the given fraction equation we get the answer is 1.

What is an exponent?

Exponent is the process of expressing large numbers in terms of powers. In other words, the exponent describes how many times a number has been multiplied by itself.

According to the zero exponent rule, any base with a zero exponent is equal to one. For instance, [tex]x^{0} = 1[/tex].

We have,

[tex]= \frac{1.25\\ * \\ 10^{-3}}{1.25 \\ * \\ 10^{-3}}[/tex]

[tex]= \frac{1.25\\ * \\ 10^{-3}}{1.25 \\} * 10^{3}[/tex]

Using the multiplication rule of fraction [tex]a\cdot \frac{b}{c}=\frac{a\:\cdot \:b}{c}[/tex]

[tex]= \frac{1.25 \ * \ 10^{-3} \ * \ 10^{3}}{1.25 \\}[/tex]

= [tex]= 10^{-3} * 10^{3}[/tex]

By applying the exponent rule [tex]\:a^b\cdot \:a^c=a^{b+c}[/tex] we get,

Add or subtract the numbers = 3 + 3 = 0

[tex]= 10^{0}[/tex]

By applying the rule [tex]a^{0} = 1[/tex], [tex]a \neq e^{0}[/tex]

= 1

Hence, by solving the above fraction equation we get the answer is 1.

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f(x)=3x^5-x^4-6x+10
x=-2

Answers

Answer:

- 90

Step-by-step explanation:

substitute x = - 2 into f(x)

f(- 2) = 3[tex](-2)^{5}[/tex] - [tex](-2)^{4}[/tex] - 6(- 2) + 10

        = 3(- 32) - (16) + 12 + 10

        = - 96 - 16 + 22

        = - 112 + 22

        = - 90

[tex]{ \boxed{ \sf{f( - 2) = - 90}}}[/tex]

Step-by-step explanation:

[tex]{ \red{ \tt{f(x) = {3x}^{5} - {x}^{4} - 6x + 10}}}[/tex]

[tex]{ \red{ \tt{f( - 2) = 3( { - 2})^{5} - ( { - 2})^{4} - 6( - 2) + 10}}}[/tex]

[tex]{ \red{ \tt{f( - 2) = 3( - 32) - 16 + 12 + 10}}}[/tex]

[tex]{ \red{ \tt{f( - 2) = - 96 - 16 + 12 + 10}}}[/tex]

[tex]{ \red{ \tt{f( - 2) = - 112 + 22}}}[/tex]

[tex]{ \green{ \boxed{ \bold{f( - 2) = - 90}}}}[/tex]

The drama club sold $1,416 worth of tickets for its fall play. If each ticket cost $8, how many tickets did the club sell?

Answers

1416 divided by 8 is 177
So the Club Sold 177 tickets

How many bit strings are there of length eight?

Answers

There are 28 which is 256. That means there are 256 different values you can store in a byte, since a byte is eight bits. There are 256 eight-bit ASCII codes, for instance.

1 byte = 8 bits

Number of bits = [tex]2^{8}[/tex]

= 2*2*2*2*2*2*2*2

= 4*2*2*2*2*2*2

= 8*2*2*2*2*2

= 16*2*2*2*2

= 32*2*2*2

= 64*2*2

= 128*2

= 256 bits.

Therefore that means there are 256 different values you can store in a byte, since a byte is eight bits.

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f: x → 15/x - 5 What number must be excluded from the domain of f?​

Answers

Answer:

  x = 5

Step-by-step explanation:

You want to know what number must be excluded from the domain of f(x) = 15/(x -5).

Domain

The domain of a function is the set of numbers for which it is defined. The function f(x) = 15/(x-5) will be undefined when the denominator is zero:

  x -5 = 0

That will be the case when x = 5.

The domain of f must exclude x=5.

equation for the perpendicular bisector of the line segment whose endpoints
are (-9, 3) and (-3, -1).

Answers

Equation for the perpendicular bisector of the line segment is  

2y = 3x +20.

A line segment that bisects another line segment at a 90° angle is known as a perpendicular bisector.

What is perpendicular bisector?

A line segment that bisects another line segment at a 90° angle is known as a perpendicular bisector. In other terms, a perpendicular bisector separates a line segment into two equal halves by intersecting it at a 90° angle.

Given coordinates of the endpoints of a line segment  (-9, 3) and (-3,-1).

In order to find the equation of perpendicular line, we need to find the slope between given coordinates.

Slope between  (-9, 3) and (-3, -1). :

slope = [tex]\frac{-1-3}{-3+9} =\frac{-2}{3}[/tex]

Slope of the perpendicular line is reciprocal and opposite in sign.

Therefore, slope of the perpendicular line = 3/2

Now, we need to find the midpoint of the given coordinates.

[tex]Mid points : \\x= \frac{ -9-3}{2} =-6\\ y= \frac{3-1}{2} = 1\\ pint = (-6,1)[/tex]

Let us apply point-slope form of the linear equation:

y-y1 = m(x-x1)

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

2y = 3x +20

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Keiko tracks the change in outside
one afternoon. She records
temperature
a temperature of 85.4°F at noon. The
temperature rises 3.85°F over the
next 4 hours. At 5:00 PM, Keiko records
a temperature of 89.25°F. How does the
temperature change between
4:00 PM
and 5:00 PM?

Answers

Answer:

  no change

Step-by-step explanation:

Given a temperature rise of 3.85 °F over 4 hours after noon, when the temperature is 85.4 °F, you want to know the change between 4 pm and 5 pm if the temperature at 5 pm is 89.25 °F.

Temperature at 4

The temperature at 4 pm is the sum of the noon temperature and the change in the 4 hours after noon:

  85.4 °F + 3.85 °F = 89.25 °F

Change after 4

The change from 4 pm to 5 pm is the difference between the 5 pm temperature and the 4 pm temperature:

  82.25 °F -89.25 °F = 0 °F

There is no change in the temperature between 4 pm and 5 pm.

Jake and Llana make and sell wooden birdhouses. Jake spent $150 buying supplies. He sells each birdhouse for $15. The equation P = 12x - 120
represents the profit, P, Liana earns for selling x birdhouses. Jake and Llana each made 50 birdhouses.
Which statements are true? Choose all that apply.
A. Jake spent $30 more on supplies than Liana.
B. Jake's birdhouses cost $3 more than Liana's.
C. Llana will have a greater profit than Jake if they each sell all 50 birdhouses.
D.
Llana and Jake will have the same profit if they each sell exactly 20 birdhouses.
E. Llana and Jake each need to sell a minimum of 11 birdhouses in order to make a profit.

Answers

(A) and (E) are the true statement.

Given,

In the question:

Jake and Liana make and sell wooden birdhouses. Jake spent $150 buying supplies. He sells each birdhouse for $15. The equation P = 12x - 120 represents the profit, P, Liana earns for selling x birdhouses. Jake and Llana each made 50 birdhouses.

To find the which statement is true?

Now, According to the question:

Jake's Profit: J = 15x - 150

Liana's Profit : P = 12x - 120

(A) when x = 0, P = -120, J = -150

then, 150 - 120 = $30

So, Jake spent $30 more than Liana

So, A is true, B is wrong.

(C) when x = 50 , J = 15 x 50 - 150 = $600

P = 12 x 50 - 120 =$480

Since, 600> 480

(D) when J = P

then, 15x - 150 = 12x = 120

3x = 30

x = 10

x = 10 not equal to 20

So, D is wrong

(E)  when P> -0 , and J > 0

then, 12x -120 > 0 and 15x - 150 > 0

=> x > 10

So, the minimum is 11, E is true .

Hence, Above the solution (A) and (E) are the true statement.

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Anthony claims that A KLM is an isosceles triangle. Find the length of KM using the distance formula.​

Answers

Answer:√53 or 7.28010988928

Step-by-step explanation:

How to solve step by step

Answers

It would be X/2 hope that helps

Myles has 12 markers and 20
pencils. What is the greatest
number of groups that can be
made with equal number of
markers and pencils?

Answers

In  linear equation, No of marker is 5 and no of pencil is 3 .

What is a linear equation example?

Ax+By=C is the typical form for linear equations involving two variables. A linear equation in standard form is, for instance, 2x+3y=5. When an equation is given in this format, finding both intercepts is rather simple (x and y). For the purpose of resolving systems involving two linear equations, this form is also highly helpful.

Myles has 12 markers and 20 pencils.

take LCM of 12 and 20  = 60

no of 12 markers = 5

no of 20 pencils = 3

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How do I factor 250n2 + 20n8?

Answers

Step-by-step explanation:

[tex]250n^2+20n^8[/tex]

common factor is [tex]10n^2[/tex]:

[tex]10n^2(25 +2n^6)[/tex]

rearrange:

[tex]10n^2(2n^6+25)[/tex]

PART B
How can the stage manager use the constant of proportionality to find the
dimensions of any new props the director requires?

Answers

 a) the constant of proportionality multiplies every actual linear    dimension

 b)  height of a can of fruit juice is 3.85 inches high

What is Proportionality?

The term proportionality describes any relationship that is always in the same ratio.

Explanation for answer:

Since the desire is to have students look twice as tall, we expect the constant of proportionality to be [tex]\frac{1}{2}[/tex].

Instead, we're told that the stage manager is using a height of 44 inches to represent an 80-inch door.

This means their constant of proportionality is [tex]\frac{40}{80} = 0.55[/tex]

a) Any new props can be scaled by this factor (0.55) to find their height on set.

b) A 7-inch can would be scaled to [tex]7\times 0.55 = 3.85\ inches[/tex]

Question: The school's theater club is building sets that will make ordinary students look like giants. The actors need a door, a table, and a stool that will make them look almost twice as tall!

DOOR: actual height is 80 inches and Height on Set is 44 inches

TABLE: actual height is 28 inches

STOOL: actual height is 18 inches

How can the stage manager use the constant of proportionality to find the dimensions of any new props the director requires?

What should the height of a can of fruit juice used as a prop be if its actual height is 7 inches? Show your work.

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An architect designs a rectangular flower garden such that the width is exactly​ two-thirds of the length. if 420 feet of antique picket fencing are to be used to enclose the​ garden, find the dimensions of the garden. what is the length of the​ garden?

Answers

The structure's length is 93 feet long and its width is 62 feet.

What is rectangle?We also refer to a rectangle as an equiangular quadrilateral since all of its angles are equal. A closed 4-sided shape is called a quadrilateral.A rectangle can also be referred to as a right-angled parallelogram because its sides are parallel. A quadrilateral with equal and parallel opposite sides is referred to as a parallelogram. Paralleograms are a specific instance of rectangles.

acc to our question -

Let W stand for the rectangle's flower garden's width and L for its length.

A rectangle flower garden with a width that is precisely two thirds of its length is created by an architect.

The following can be written:

W=2/3L

Given that the fence is 310 feet long, the rectangle's perimeter must also be 310 feet.

Perimeter = 2 (L + W)

The perimeter surrounding it)

2w + 2h = 310

2((2/3) * h) + 2h = 310

4h/3 + 2h = 310

10h/3 = 310

10h = 930

h = 93 feet

w = (2/3) * 93

w = 62 feet

Hence, The structure's length is 93 feet long and its width is 62 feet.

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The Finnish lottery draws 7 numbers from a total of 40 numbers.

What is the probability for a single lottery ticket to have 1 correct?

Answers

The probability that a single lottery has one correct number, using the hypergeometric distribution, is of:

0.4159 = 41.59%.

What is the hypergeometric distribution formula?

The probability mass function of the hypergeometric distribution is presented as follows:

[tex]P(X = x) = h(x,N,n,k) = \frac{C_{k,x}C_{N-k,n-x}}{C_{N,n}}[/tex]

[tex]C_{n,x} = \frac{n!}{x!(n-x)!}[/tex]

The parameters of the function are listed as follows:

x is the number of successes in a single trial.N is the size of the population.n is the size of the sample selected in a single trial.k is the total number of desired outcomes.

In the context of this problem, the values of these parameters are given as follows:

N = 40, k = 7, n = 7.

The probability that a single lottery has one correct number is P(X = 1), hence x = 1 and the calculation is as follows:

[tex]P(X = x) = h(x,N,n,k) = \frac{C_{k,x}C_{N-k,n-x}}{C_{N,n}}[/tex]

[tex]P(X = 1) = h(1,40,7,7) = \frac{C_{7,1}C_{33,6}}{C_{40,7}} = 0.4159[/tex]

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Jamar has invested $300 in an annuity each month, earning 5.5% interest for 30 years.

Beth has invested $600 in an annuity each month, earning 5.5% interest for 15 years.

Which of the following must be true?

Select the correct answer below:

Answers

Answer:

  (d)  Jamar's ending account balance is higher than Beth's ending balance.

Step-by-step explanation:

You want to know the best description of the relationship between final balances of two ordinary annuities:

300 per month for 30 years at 5.5%600 per month for 15 years at 5.5%

Future value

The attached calculator display shows the ending balance for Jamar's annuity and for Beth's annuity. We assume the final balance is the balance after the final payment. That is, Beth's balance will be known 15 years before Jamar's balance is known.

Jamar's balance: $274,083.57

Beth's balance: $167,247.33

The best description is ...

Jamar's ending account balance is higher than Beth's ending balance.

__

Additional comment

Jamar makes twice as many payments of half the amount each, so his total contribution is the same as Beth's. His early payments are earning interest for twice as long as Beth's, so his account earns more interest.

a bag with 2/3 pounds of peanuts can make 1/8 pounds of peanut butter how many pounds of peanuts would be needed to make one pound of peanut butter for middle school

Answers

The required pounds of peanut that can make one pound of peanut butter is given as 5 1/3

How to solve for the quantity

If  2/3 pounds of peanut = 1/8 pounds of peanut butter

? quantity of peanut = one pound of peanut butter

This would be better expressed in numbers as

2/3 = 1/8

? = 1

To solve for this , we would have to cross multiply

such that we would have

2/3 = 1/8?

to get the unknown, we have to divide through by 1/8

2/3 ÷ 1/8 = unknown

2/3 x 8/1

= 16/3

= 5 1/3

Hence the required pound that would be needed to make the peanut butter is given as 5 1/3

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Write the equation of the line, in standard form, that has a y-intercept of 2 and is parallel to 2x + y = -5. Include your work for each step in your final answer. Type your answer in the box provided to submit your solution.

a) Using variables, write out the formula for the standard form of the equation.

b) Determine the slope of the line.

c) Write the point-slope form of the line.

d) Using the properties of algebra, rearrange the equation into the standard form.

Answers

The slope of the line is - 2 with the equation as 2 x + y - 2 = 0

We are given that:

y intercept of the line = 2

Point is (0, 2)

It is parallel to the line 2 x + y = - 5

Slope of line 2 x + y = - 5:

y' = - 2

m = - 2

Slope of parallel lines are equal

m = m'

m' = - 2

Equation of the line:

y - y₁ = m( x - x₁)

y - 2 = - 2( x - 0)

y - 2 = - 2 x

2 x + y - 2 = 0

a) standard form of the equation = 2 x + y - 2 = 0

b) slope of the line = m' = - 2

c) point-slope form = (y - 2) / (x - 0) = - 2

d) Properties of algebra used = cross multiplication and simplification.

Therefore, we get that, the slope of the line is - 2 with the equation as 2 x + y - 2 = 0

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mathematical shapes

Answers

Answer:

A square is an sqaure.

Step-by-step explanation:

circle is a circle. :) happy to help

What is the equivalent equation to the given equation?
x = x² - 20

Answers

The equivalent equation to the given equation i.e, x = x² - 20  is   x² - x - 20 = 0

What is a Quadratic equation ?

A second-degree equation of the form ax² + bx + c = 0 is known as a quadratic equation in mathematics. Here, x is the variable, c is the constant term, and a and b are the coefficients. Since x is a second-degree variable, this quadratic equation has two roots, or solutions.

The given expression is,

x = x² - 20

We have to make the equation in quadratic form i.e, ax² + bx + c = 0

so, first take x to the right side

0 = x² - 20 - x

Now swap the equation,

x² - 20 - x = 0

put 'x' term in middle and constant term at last like this,

x² - x - 20 = 0

Hence, The equivalent equation to the given equation i.e, x = x² - 20 is  x² - x - 20 = 0

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not really sure what to do here??

Answers

Answer:

[tex]d=-6[/tex]

[tex]a_9=-49[/tex]

Step-by-step explanation:

If the first term of a sequence is [tex]-1[/tex] and the second term is [tex]-7[/tex], then each successive term in the sequence is [tex]6[/tex] less than the previous term. The common difference is [tex]-6[/tex] ( [tex]d=-6[/tex] ).

The formula representing the arithmetic sequence is:

[tex]a_n=-6n+5[/tex]

Therefore, the ninth term in the sequence is:

[tex]a_9=-6(9)+5[/tex]

[tex]a_9=-54+5[/tex]

[tex]a_9=-49[/tex]

Solve for x.
-8x+14 ≥ 60 OR - 4x + 50 < 58
Choose 1 answer:
(A
E
x≤-
x≤
-
23
4
23
4
x>-2
or x>-2
There are no solutions
All values of a are solutions

Answers

Answer:

[tex]x\leq -7 or x > -2[/tex]

Step-by-step explanation:

-8x+14 ≥ 60 or - 4x + 50 < 58
     -8x ≥ 56 or         - 4x < 8
        [tex]x \leq -7[/tex] or            [tex]x > -2[/tex]

1. Two spherical solids have masses of 15g and 405kg respectively. If the radius of the smaller sphere is 10cm. Find the radius of the bigger sphere.

2. Triangle PQR is such that the angle P=90° and PQ=37cm. Find RP when angle Q=16° degrees (Use tan 46°=1.04).

Answers

The radius of the bigger sphere is 30cm.

Two spherical solids have masses of 15g and 405kg respectively

Mass is directly proportional to volume for same metal (Density)

Let Mass of Solid 1 be M₁ and Volume be V₁

Mass of Solid 2 be M₂ and Volume be V₂

Now  M₁/M₂ =  V₁/V₂

Volume of sphere is directly proportional to R³

So,  M₁/M₂ = V₁/V₂ = R₁³/R₂³​

15/405000 = 10³/x³

∛15/∛405000 = 10/x

2.466/73.986 = 10/x

2.466x = 73.986 x 10

x = 739.86/2.466

x = 30

Therefore, the radius of the bigger sphere is 30cm.

To learn more about volume refer here

https://brainly.com/question/10171109

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