Find the measure of angle A.

Find The Measure Of Angle A.

Answers

Answer 1

Answer: 32

Step-by-step explanation:

Answer 2

Answer:

25 degrees

Step-by-step explanation:

sum of all three angles of a triangle equal 180

135+5x+4x=180

135+9x=180

-135.     -135

9x=45

x=5

angle A is 5x

5(5)

25

hopes this helps please mark brainliest


Related Questions

Activity 9: 1 Challenge You! 214 3/4/2/1 4/2/3/1 1 4 Hi there! I am the MATH WIZARD, I came here to challenge you. Simplify the following expressions. If you do these correctly, I will have you as my apprentice. Good luck!

1.) 6e⁰ + (11f)⁰ - 5/g⁰
2.) (3-⁴ + 5-³)-¹
3.) (3-⁴ + 5-³)-²

4.) 5(2a-¹b³)⁰
___________
10c-⁵ d⁶ e-⁸

5.) -5(m-⁴ n-⁵)-³
____________
7(p-⁶q⁸)-⁴

6.) ( 3x-⁴ y-⁵ z-²)-²
____________​

Answers

The simplification of the expressions in the question using the rules of indices are as follows;

1.) 6·e⁰ + (11·f)⁰ - 5/g⁰ = 2

2. (3⁻⁴ + 5⁻³)⁻¹ = [tex]49\frac{31}{206}[/tex]

3. (3⁻⁴ + 5⁻³)⁻² = [tex]2415\frac{32685}{42436}[/tex]

4.) [tex]\dfrac{-5\cdot \left(m^{-4}\cdot n^{-5} \right)^{-3}}{10\cdot c^{-5} \cdot d^6 \cdot e^{-8}}[/tex] = [tex]\dfrac{c^5\cdot e^8}{2\cdot d^5}[/tex]

5.)  [tex]\dfrac{-5\cdot \left(m^{-4}\cdot n^{-5}\right)^{-3 }}{7\cdot \left(p^{-6} \cdot q^8\right)^{-4}} =\dfrac{-5\cdot m^{12}\cdot n^{15}\cdot q^{32}}{7\cdot p^{24}}[/tex]

What is are indices in mathematics?

An index or indices is the power by which a number or variable or expression raised.

1.) 6·e⁰ + (11·f)⁰ - 5/g⁰

6·e⁰ + (11·f)⁰ - 5/g⁰ = 6 × 1 + 1 - 5/1

6 × 1 + 1 - 5/1 = 6 + 1 - 5 = 2

Therefore;

6·e⁰ + (11·f)⁰ - 5/g⁰ = 2

2.) (3⁻⁴ + 5⁻³)⁻¹

(3⁻⁴ + 5⁻³)⁻¹ = (1/(3⁴) + 1/(5³))⁻¹ = 1/(1/(3⁴) + 1/(5³))

1/(1/(3⁴) + 1/(5³)) = 1/(1/81 + 1/125) = 1/((125 + 81)/(81×125))

1/((125 + 81)/(81×125)) = (81 × 125)/(125+81) = 10125/209

10125/206 = 49 + 31/206

(3⁻⁴ + 5⁻³)⁻¹ = [tex]49 \frac{31}{206}[/tex]

3.) (3⁻⁴ + 5⁻³)⁻²

(3⁻⁴ + 5⁻³)⁻² = 1/((1/3⁴ + 1/5³)²)

1/((1/3⁴ + 1/5³)²) = 1/((1/81 + 1/125)²)

1/((1/81 + 1/125)²) = 1/(((125 + 81)/(81 × 125))²)

1/(((125 + 81)/(81 × 125))²) = 1/((206/10125)²)

1/((206/10125)²) = (10125)²/(206)² = 102515625/42436

102515625/42436 = 2415 32685/42436

(3⁻⁴ + 5⁻³)⁻² = [tex]2415\frac{32685}{42436}[/tex]

4.)  [tex]\dfrac{5\cdot (2\cdot a^{-1}\cdot b^3)^0}{10\cdot c^{-5}\cdot d^6\cdot e^{-8}}[/tex]

[tex]\dfrac{5\cdot (2\cdot a^{-1}\cdot b^3)^0}{10\cdot c^{-5}\cdot d^6\cdot e^{-8}} = \dfrac{5\times 1}{10\times \left(\frac{1}{c^5}\times d^6 \times \frac{1}{e^8} \right) }[/tex]

[tex]\dfrac{5\times 1}{10\times \left(\frac{1}{c^5}\times d^6 \times \frac{1}{e^8} \right) } = \dfrac{5}{10\times \left(\frac{d^6}{c^5\times e^8} \right) }[/tex]

[tex]\dfrac{5}{10\times \left(\frac{d^6}{c^5\times e^8} \right) } = \dfrac{1}{2\times \left(\frac{d^6}{c^5\times e^8} \right) }[/tex]

[tex]\dfrac{1}{2\times \left(\frac{d^6}{c^5\times e^8} \right) } = \dfrac{c^5\times e^8}{2\cdot d^6}[/tex]

[tex]\dfrac{5\cdot (2\cdot a^{-1}\cdot b^3)^0}{10\cdot c^{-5}\cdot d^6\cdot e^{-8}}= \dfrac{c^5\times e^8}{2\cdot d^6}[/tex]

5.) [tex]\dfrac{-5\cdot \left(m^{-4}\cdot n^{-5} \right)^{-3}}{7\cdot \left(p^{-6}\cdot q^8\rright)^{-4}}[/tex]

[tex]\dfrac{-5\cdot \left(m^{-4}\cdot n^{-5} \right)^{-3}}{7\cdot \left(p^{-6}\cdot q^8\right)^{-4}} =\dfrac{-5\cdot \dfrac{1}{\left(\frac{1}{m^{4}}\times \frac{1}{n^{5}} \right)^{3}} }{7\cdot \dfrac{1}{\left(\frac{1}{p^{6}}\times q^8\right)^{4}} }[/tex]

[tex]\dfrac{-5\cdot \dfrac{1}{\left(\frac{1}{m^{4}}\times \frac{1}{n^{5}} \right)^{3}} }{7\cdot \dfrac{1}{\left(\frac{1}{p^{6}}\times q^8\right)^{4}} } = \dfrac{-5\cdot {\left(m^4\times n^5\right)^3} }{7\cdot \left( \dfrac{p^6}{q^8\right)^{4}} }[/tex]

[tex]\dfrac{-5\cdot {\left(m^4\times n^5\right)^3} }{7\cdot \left( \dfrac{p^6}{q^8\right)^{4}} } = \dfrac{-5\cdot {\left(m^{12}\times n^{15}\right)} }{7} \times \left(\dfrac{q^8}{p^6}\right)^4 }[/tex]

[tex]\dfrac{-5\cdot {\left(m^{12}\times n^{15}\right)} }{7} \times \left(\dfrac{q^8}{p^6}\right)^4 } = \dfrac{-5\cdot {\left(m^{12}\times n^{15}\right)} }{7} \times \left(\dfrac{q^{32}}{p^{24}}\right) }[/tex]

[tex]\dfrac{-5\cdot {\left(m^{12}\times n^{15}\right)} }{7} \times \left(\dfrac{q^{32}}{p^{24}}\right) } = \dfrac{-5\times {m^{12}\times n^{15}\times q^{32}} }{7\times p^{24}}[/tex]

[tex]\dfrac{-5\cdot \left(m^{-4}\cdot n^{-5} \right)^{-3}}{7\cdot \left(p^{-6}\cdot q^8\right)^{-4}} = \dfrac{-5\times {m^{12}\times n^{15}\times q^{32}} }{7\times p^{24}}[/tex]

6.) (3·x⁻⁴·y⁻⁵·z⁻²)⁻²

(3·x⁻⁴·y⁻⁵·z⁻²)⁻² = [tex]3\cdot \left(\dfrac{1}{\left(\dfrac{1}{x^4} \cdot \dfrac{1}{y^5} \cdot \dfrac{1}{z^2} } \right)^2\right)[/tex]

[tex]3\cdot \left(\dfrac{1}{\left(\dfrac{1}{x^4} \cdot \dfrac{1}{y^5} \cdot \dfrac{1}{z^2} } \right)^2\right) = 3\cdot \left(x^4\cdot y^5\cdot x^2\right)^2[/tex]

3·(x⁴·y⁵·x²)² = 3·x⁸·y¹⁰·x⁴

Therefore;

(3·x⁻⁴·y⁻⁵·z⁻²)⁻² = 3·x⁸·y¹⁰·x⁴

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4. Open Response The manager of Happy
Puppy dog boarding company begins the
month with 85.4 pounds of dog food and
tracks the weekly use, along with the supply
delivery received in the middle of the month.
(Lesson 2)
Week
1
02
3
4
Weekly Dog Food Use (lb)
CAN
310-28.4moqasi go
-21
bruol
97-3
-30.25
Worke
dijo m
How much dog food does the company have
on hand at the end of the month?

Answers

Answer:

the answer is 163.375 lbs

Step-by-step explanation:

Rational numbers are numbers that can be expressed in the form of a ratio of two integers, where the denominator is not equal to zero. Examples of rational numbers include fractions such as 1/2, -3/4, 0.5 and -2.5.  The mathematical formula for a rational number is a/b, where a and b are both integers and b ≠ 0.

Solution:

85.4-28.4-215 +972-30.25

=85.4-28.4-21.625+97.75-30.25

=163.375

The quantity of food left at the end of the month is equal to the amount provided by the management at the beginning of the month plus the amount given in the middle of the month less the amount taken in previous weeks.

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Last year the cost of Tom's train ticket was £42 This year the cost of Tom's train ticket increased to £50 Write down the increase in the cost of Tom's ticket as a fraction of last year's cost. (2 marks​

Answers

Answer:

19.048%

Step-by-step explanation:

The formula for the increase in cost will be :

[(New cost - Original Cost)÷Original Cost] × 100

So let's substitute values in from the question :

[(50-42)÷42] × 100

[8÷42] × 100

0.19048 × 100

19.048%

Hope this helped and have a good day

θ is an acute angle. Find the value of θ in degrees.
sec(θ)=2

Answers

The value of θ is 60°.

What are trigonometric relations?

Trigonometry is the study of the relationships between the angles and the lengths of the sides of triangles

The six trigonometric functions are sin, cos , tan , cosec , sec and cot

Let the angle be θ , that is;

sin θ = opposite / hypotenuse

cos θ = adjacent / hypotenuse

tan θ = opposite / adjacent

Thus, tan θ = sin θ / cos θ

cosec θ = 1/sin θ

sec θ = 1/cos θ

cot θ = 1/tan θ

Given data that the angle be represented as θ

Now , we are given that the angle θ is acute

Since Acute angles measure less than 90 degrees

So , the value of θ < 90°

when the value of sec θ = 2

cos θ = 1/sec θ

, cos θ = 1/2

The value of θ when cos θ is 1/2.

when the angle θ is 60°

Therefore ,

the value of θ is 60°

sec 60° = 2

Hence , The value of θ is 60°

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NO LINKS!! Help me with these 2 column proofs 9aa​

Answers

Answer:

Step-by-step explanation:

ok this is hella easy what kind of geometry is this

ok on to the answers

statement 1: angle 1 is a right angle, angle 2 is a right angle

reason 1: given

statement 2: angle 1 is congruent to angle 2

reason 2: all right angles are congruent theorem

second problem

statement 1: angle 1 and angle 2 are vertical angles

reason 1: either say given or shown in diagram (id do both if ur teacher is picky)

statement 2: angle 1 is congruent to angle 2

reason 2: vertical angles are congruent theorem

Here is the two column proof:

    Statement                                        Reason                                              

∠1 is a right angle                                   Given∠2 is a right angle                                  Given∠1 ≅ ∠12                                                  Right angles theorem

Proved

===================================================

    Statement                                        Reason                                              

Diagram                                        Given∠1 and ∠2 are vertical angles     Definition of vertical angles∠1 ≅ ∠2                                         Vertical angles theorem

Proved

Challenge The members of the city cultural center have decided to put on a play once a night for a week. Their
auditorium holds 500 people. By selling tickets, the members would like to raise $2,050 every night to cover all expenses.
Let d represent the number of adult tickets sold at $6.50. Let s represent the number of student tickets sold at $3.50 each.
If all 500 seats are filled for a performance, how many of each type of ticket must have been sold for the members to raise
exactly $2,050? At one performance there were three times as many student tickets sold as adult tickets. If there were
480 tickets sold at that performance, how much below the goal of $2,050 did ticket sales fall?

Answers

There are 100 students and 400 adults.

The 480 tickets sold had a $10 fall in ticket sales.

What is system of equations?

A set of one or more equations involving numerous variables is referred to as a system of equations. The variable mappings that satisfy all component equations are the solutions to systems of equations, or the points where the components of these equations intersect.

Let d be the number of adults and y be the number of students.

⇒ d + s = 500                   ..(1)

The number of adult tickets sold at $6.50 and the number of student tickets sold at $3.50 each.

⇒ 6.5d + 3.5s = 2050         ..(2)

From equation (1) d = 500 - s

Plug the value of d in equation (2)

6.5(500 - s) + 3.5s = 2050

3250 - 6.5s + 3.5s = 2050

3250 - 3s = 2050

3s = 3250 - 2050

3s = 1200

s = 400

Plug s = 400 in d = 500 - s

⇒  d = 500 - 400 = 100

Hence, there are 100 students and 400 adults.

Now,  at one performance there were three times as many student tickets sold as adult tickets.

⇒ s = 3d

3d - s = 0          ..(3)

d + s = 480       ..(4)

⇒ 4d = 480

     d = 120  Adults

Plug d = 120 in equation (4)

120 + s = 480

         s = 480 - 120

         s = 360 Students

The money earned from these 480 people is

120 * 6.5 + 360 * 3.5 = 780 + 1260 = $2040.

$2040 - $2040 = $10

Hence, the 480 tickets sold had a $10 fall in ticket sales.

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Adam is wanting to start saving for retirement but they don’t know how much they can afford to save from their monthly budget. Help Adam find their monthly cash flow.

Adam works at Tim Horton’s making $15/hour, 32 hours a week. (Assume they take no vacations.)

Expenses are: Rent: $650/month, Groceries: $75/week, Utilities: $120/month, Car Insurance: $118/month, Gasoline: $30/week, and Miscellaneous: $400/month

Saving for Retirement (20 Pts)

Now, let’s pretend you are Adam. How much of your ending cash flow would you want to save for retirement? This will be the amount they will put in the IRA monthly.

Retirement Amount (20 Pts)

If Adam retires in 35 years and finds an IRA for 4.8%, how much money will be in their retirement account when they retire?

Amount Deposited (20 Pts)

How much will Adam deposit in total to their IRA?

Interest Accrued (20 Pts)

How much will Adam accrue in interest from their IRA?

Answers

1) Adam's monthly cash flows are:

Cash Inflows = $2,080Cash Outflows = $1,743.

2) I would save $300 monthly from the ending cash flow balance for retirement savings.

3) If Adam retires in 35 years and finds an IRA for 4.8%, the future value of their retirement account will be $326,070.43 when they retire.

4) In 35 years, Adam will deposit $126,000 in total to their IRA.

5) The accrued interest from the IRA will be $200,070.43.

What is the future value?

The future value represents the balance in Adam's retirement savings account after 35 years of depositing $300 monthly at 4.8% interest.

The future value is computed by compounding the periodic deposits (present values).

Adam's total monthly earnings = $2,080 ($15 x 32 x 52 x 1/12)

Monthly Expenses:

Rent $650

Groceries $325 ($75 x 52 x 1/12)

Utilities $120

Car Insurance $118

Gasoline $130 ($30 x 52 x 1/12)

Miscellaneous $400

Total monthly expenses = $1,743

Ending cash flows = $337 ($2,080 - $1,743)

Retirement period = 35 years

IRA interest rate = 4.8%

Monthly savings = $300

N (# of periods) = 420 months (35 years x 12)

I/Y (Interest per year) = 4.8%

PV (Present Value) = $0

PMT (Periodic Payment) = $300

Results:

Future Value (FV) = $326,070.43

Sum of all periodic deposits = $126,000 ($300 x 420)

Total Interest = $200,070.43

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Solve this system of equations using the Substitution method. All work and a brief phrase/sentence explaining what you're doing needs to be shown for each step for full credit. Write final answer as a coordinate point.


12x+4y=−8
y = 2x + 3
pls help

Answers

Answer: (-1,1)

Step-by-step explanation:

since y is equal to 2x+3  you can sub 2x+3 into the y value of 12x+4y=-8

12x+4(2x+3)=-8

Multiply the numbers inside the parentheses using the distributive property

12x+8x+12=-8

Combine like terms

20x+12=-8

Isolate x by moving all other numbers to the right side

Subtract 12 on both sides

20x+12-12=-8-12

20x=-20

divide both sides by 20 to isolate and get the value of x

x=-1

Now that we know the x value substitute the value of x in any of the above equations. I am using y=2x+3

y=2(-1)+3

Multiply the numbers inside the parentheses

y=-2+3

y=1

The x value is -1, and the y value is 1.

Use them as coordinate points

(x,y)

(-1,1)

The solution to the given system of equations is the point (-1, 1) which is determined by the substitution method.

What is the equation?

The equation is defined as mathematical statements that have a minimum of two terms containing variables or numbers that are equal.

The system of equations is given as:

12x + 4y = −8

y = 2x + 3

To solve this system of equations using the substitution method, you can substitute the second equation into the first equation to eliminate one of the variables.

Substituting y = 2x + 3 into the first equation gives:

12x + 4(2x + 3) = -8

12x + 8x + 12 = -8

20x + 12 = -8

20x = -20

x = -1

Substituting this value of x back into the second equation gives:

y = 2(-1) + 3

y = -2 + 3

y = 1

Therefore, the solution to the system of equations is the point (-1, 1).

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Solve the following inequality: 20t + 9, 200 ≤ 16,000
Answer in interval notation.

Answers

Answer:

[0, 799.95]

Step-by-step explanation:

First, we need to isolate the variable by subtracting 9 from both sides of the inequality:

20t + 9 - 9 ≤ 16,000 - 9

This gives us:

20t ≤ 16,000 - 9

Next, we can divide both sides of the inequality by 20 to isolate the variable:

20t / 20 ≤ (16,000 - 9) / 20

This simplifies to:

t ≤ 799.95

Finally, we need to express the solution in interval notation. Since the value of t cannot be negative, the solution is:

[0, 799.95]

Therefore, the solution to the inequality in interval notation is [0, 799.95].

Tim's book collection is 12% nonfiction books. He has 36 nonfiction books in his collection.

Part A
What is the total number of books in Tim's collection? Explain your thinking.

Part B
If Tim adds 20 more nonfiction books to his collection, what will be the new percentage of nonfiction books? Explain your thinking.

Answers

a) The total number of books in Tim's collection is; 300 books

b) If Tim adds 20 more nonfiction books to his collection, the new percentage of nonfiction books is; 17.5%

How to solve Algebraic Word Problems?

We are given;

Number of Non fiction books Tim has = 36

Percentage of non-fiction books = 12%

a) Let the total number of books in his collection be x. Thus;

(12/100) * x = 36

x = 3600/12

x = 300 books

b) He adds 20 more non fiction books to his collection. Thus;

New total non fiction books = 36 + 20 = 56

New total number of all books = 300 + 20 = 320

Thus;

New percentage of non fiction books = 56/320 * 100%

New percentage of non fiction books = 17.5%

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1. Bank AAA is charging 4% in total fees to borrow money for a car loan. You want to buy a car that costs $25,000.
Calculate the total price for the car and the bank fees. Then, find the monthly payment if you get a $5 year loan to buy
the car from Bank AAA?

Answers

The total price for the car is $26000.

The monthly payment is $500.

How to calculate the price?

From the information illustrated, Bank AAA is charging 4% in total fees to borrow money for a car loan and the person want to buy a car that costs $25,000.

The total amount that will be paid will be:

= Amount of car + Interest

= $25000 + ($25000 × 4%)

= $26000

The amount on a 5 year loan will be:

Interest = PRT

= ($25000 × 4% × 5)

= $5000

Total amount to be paid = $25000 + $5000

= $30000

Monthly payment = Total amount / Number of months

= $30000 / 60

= $500

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y = 2x + 1
2x - y = 3

Answers

The slope of the equations is equal. Then the lines are parallel to each other.

What is a linear equation?

A connection between a number of variables results in a linear model when a graph is displayed. The variable will have a degree of one.

The linear equation is given as,

y = mx + c

Where m is the slope of the line and c is the y-intercept of the line.

The linear equation is given below.

y = 2x + 1        ....1

2x - y = 3

y = 2x - 3         ....2

The slope of both equations is 2.

The slope of the equations is equal. Then the lines are parallel to each other.

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compute the arc length of the curve:
x(t)=2t^(3/2)+2, y(t)=2t-3, 0<=t<=2

Answers

The length of the arc is = [tex]\frac{2}{27}22^{\frac{3}{2} }[/tex]m

What is Integration ?

In mathematics, an integral lends numerical values to functions to represent concepts like volume, area, and displacement that result from combining infinitesimally small amounts of data. Integration is the action of locating integrals.

According to the given information

We can find the length of the arc by

L = [tex]\int\limits^a_b {\sqrt{\frac{dx}{dt} ^{2}+\frac{dy}{dt} ^{2} } } \, dt[/tex]

Find the derivative of x w.r.t to t

dx/dt = [tex]3t^{\frac{1}{2} }[/tex]

Find the derivative of y w.r.t to t

dy/dt = 2

Putting the values in above equation

We get

L = [tex]\int\limits^a_b {\sqrt{\frac{dx}{dt} ^{2}+\frac{dy}{dt} ^{2} } } \, dt[/tex]

L= [tex]\int\limits^2_0 {\sqrt{9t+4} } \, dt[/tex]

L = [tex]\frac{2}{27}(9t+4)^{\frac{3}{2} }[/tex]

limit approaches from 0 → 2

Hence

The length of the arc is = [tex]\frac{2}{27}22^{\frac{3}{2} }[/tex]m

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Which of the following is showing the correct ratio for Cosine of C ?
6 / 10
10 / 8
6 / 8
8 / 10

Answers

The value of Cosine of C is 8/10. So the option d is correct.

In the given question, we have to find which of the following is showing the correct ratio for Cosine of C.

The given options are:

(a) 6/10

(b) 10/8

(c) 6/8

(d) 8/10

As we know that cosine is the ration of adjacent side and hypotenuse.

From the given diagram we can see that;

Adjacent Side = 8

Hypotenuse = 10

Opposite Side = 6

Now the;

CosC = Adjacent Side/Opposite Side

CosC = 8/10

Hence, the value of CosC is 8/10. So the option d is correct.

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Select the inequality which represents the gragh shown below -6-y>=x2-7x

Answers

Answer:

The inequality which represents the graph shown is -6-y >= x^2 - 7x.

Simplify:
10 x²y³ / 2xy

Answers

Answer:

Step-by-step explanation:

A company offers a starting yearly salary of $31,000 with raises of 3,500 per year. Find the total salary over a ten-year period.

Answers

The starting salary of $31,000 and the annual raise of $3,100 indicates that the series is an arithmetic series and the total salary over a ten-year period is $467,500

What is an arithmetic series?

An arithmetic series consists of the addition of the terms of an arithmetic progression.

The starting salary offered by the company = $31,000

The amount by which the company raises the salary every year = $3,500

The total salary over a ten year period can be found by expressing the situation using an arithmetic progression formula as follows;

The sum of n terms of an arithmetic progression can be found using the formula;

Sₙ = (n/2)·(2·a + (n - 1)·d)

Where;

Sₙ = The sum of n terms of the series

n = The number of terms in terms in the series

a = The first term of the series

d = The common difference between the terms of the series

The details from the question indicates;

n = 10

a = $31,000

d = $3,500

Therefore; S₁₀ = (10/2) × (2 × 31,000 + (10 - 1) × 3,500) = 467,500

The total salary over a ten year period, S₁₀ = $467,500

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use synthetic division

Answers

The required quotient is given as [tex]3x^2-7x+10[/tex] and the remainder term is [tex]-\frac{1}{x+4}[/tex]

In the question, it is asked to determine the quotient of the expression, [tex]\frac{\left[3x^3+5x^2-18x+39\right]}{x+4}[/tex].

What is synthetic division?

It is a method for performing the division of polynomials, with little writing and lesser calculations than complex division.

Here,

As performing synthetic division of polynomials, the terms in the product remaining as fractions will be the remainder of the division while the polynomial is said to be the quotient of the division.
[tex]= \frac{\left[3x^3+5x^2-18x+39\right]}{x+4}\\=3x^2-7x+10-\frac{1}{x+4}[/tex]

Thus, the required quotient is given as [tex]3x^2-7x+10[/tex] and the remainder term is [tex]-\frac{1}{x+4}[/tex]

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A public health official claims that more than 5.8 percent of the population suffers from long-term COVID symptoms. Use p, the true percentage of the population that suffers from long-term COVID. Express the null hypothesis and the alternative hypothesis in symbolic form. Use the correct symbol (μ, ρ, σ) for the indicated parameter. A. H0 : p = 5.8% H1 : p < 5.8% B. H0 : p = 5.8% H1 : p > 5.8% C. H0 : p = 5.8% H1 : p ≤ 5.8% D. H0 : p = 5.8% H1 : p ≥ 5.8%

Answers

Answer:

B. H0 : p = 5.8% H1 : p > 5.8%

The null hypothesis, denoted H0, is a statement that asserts that there is no significant difference between a sample statistic and a population parameter. In this case, the null hypothesis would be that the true percentage of the population that suffers from long-term COVID symptoms is equal to 5.8 percent. This is represented symbolically as H0 : p = 5.8%.

The alternative hypothesis, denoted H1, is a statement that contradicts or negates the null hypothesis. In this case, the alternative hypothesis would be that the true percentage of the population that suffers from long-term COVID symptoms is greater than 5.8 percent. This is represented symbolically as H1 : p > 5.8%.

can someone who loves math do this and tell me the answers or do step by step please

Answers

Answer:

Step-by-step explanation:

3.) Slope: 15x

Y-int: 120

Y=15x+120

4.) For this one i'm not sure maybe..

5.) Slope: 5x

Y-int: 250

Y=5x+250

Directions - Match the equations for parallel lines. (Note: you will not use all choices on the right side).

Answers

The equations for parallel lines:

y = -1/2 x - 2  ----- y = -1/2 x + 6

y = 1/2 x + 4   ----- y = 1/2 x - 4

y = 2x -4       -----  y =2/1x + 2

y = 5x + 2     -----  y = 5x - 1

y = 1/5 x + 10 ----   y = 1/5 x + 3

What is slope of line?

A line's steepness can be determined by looking at its slope. Slope is calculated mathematically as "rise over run" (change in y divided by change in x).

If an equation in the form y = mx + c then m is the slope of the line.

Equation of line               slope          Slope parallel line

y = -1/2 x - 2                        -1/2                        -1/2

y = 1/2 x + 4                          1/2                           1/2

y = 2x -4                                2                            2

y = 5x + 2                               5                           5

y = 1/5 x + 10                          1/5                         1/5

Now identify the lines from the option whose slope are  -1/2,  1/2, 2, 5,  1/5.

The slope of the line y = -1/2 x + 6 is  -1/2.

The slope of the line y = 1/2 x - 4 is  1/2.

The slope of the line y = 2x -4 is 2.

The slope of the line y = 5x + 2  is 5.

The slope of the line y = 1/5 x + 10 is 1/5.

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Carter has 153 songs on a playlist. He's categorized them in the following manner: 20 country, 31 blues, 8 Latin American, 17 jazz, 26 rap, 14 folk, and 37 hip hop. If Carter begins listening to his playlist on shuffle, what is the probability that the first song played is a folk song? Express your answer as a fraction in lowest terms or a decimal rounded to the nearest millionth.

Answers

the probability that the first song played is a folk song is 9.1%.

What is probability?

By simply dividing the favorable number of possibilities by the entire number of possible outcomes, the probability of an occurrence can be determined using the probability formula. Because the favorable number of outcomes can never exceed the entire number of outcomes, the chance of an event occurring might range from 0 to 1.

Carter has 153 songs on a playlist. He's categorized them in the following manner:

20 country, 31 blues, 8 Latin American, 17 jazz, 26 rap, 14 folk, and 37 hip hop.

The number of folk songs is 14

P(folk) = number of folk songs/ total

= 14/ 153

=0.091

Hence the probability that the first song played is a folk song is 9.1%.

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prove that a mewdian drawn to the base of an isosceles triangle divides the triangle intro two congruent triangles

Answers

The prove can be shown on the picture attached. And here the describe that support the picture:

Let the triangle be ABC with vertex at A and AB=AC.Let ad be the median, in triangles ABD and ACD, we haveAB=AC, given AD=ADBD=DC (AD is median)

Then we can know the 2 triangles are identical or congruent.

What is the median of an isosceles triangle?

The median drawn from the vertex bisects the angle whose two adjacent sides are equal in isosceles and equilateral triangles. In the case of equilateral and isosceles triangles, the median not only bisects the side opposite the vertex, but it also bisects the angle of the vertex.

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TEXT ANSWER Gavin is stocking up on paper towel rolls. He already has some at his house, and begins buying more ev- ery week at a constant rate. The line y = 3x + 12 rep- resents this scenario. a. How many rolls of towels did he start with? I b. How many rolls of towels is be buying every week?​

Answers

Gavin already had 12 rolls of towels, and he is buying 3 rolls per week.

What is slope?

Slope tells us the change between two points given, and is shown by  the change in the y coordinate divided by the corresponding change in the x coordinate.

Given that, Gavin is stocking up on paper towel rolls. He already has some at his house, and begins buying more every week at a constant rate. The line y = 3x + 12 represents this scenario.

Here the equation is y = 3x+12

When comparing with standard equation of the line, y = mx+c where m is slope, we get,

m = 3 and c = 12

Therefore, the change is 3, that means, he is buying 3 rolls per week,

and the constant is 12 that tells that he already have 12 rolls in stock.

Hence, a) he is buying 3 rolls every week, b) he has 12 rolls in stock.

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Find the value of x in the image

Answers

Answer:

Step-by-step explanation:

73 = x + 85

x + 85 = 73

x = -12

(-12) is the value of x.

Please helpppp thank you

Answers

Y=163, because the angle is vertical to 163

Simplify -x-(-4x-6)=6

Answers

Answer:

To simplify the given equation, we can start by using the rules of algebra to rearrange the terms and combine like terms on both sides of the equation. This gives us:

-x - (-4x - 6) = 6

We can then distribute the negative sign on the left side of the equation to get:

-x + 4x + 6 = 6

We can then combine like terms on the left side of the equation to get:

3x + 6 = 6

We can then subtract 6 from both sides of the equation to get:

3x = 0

We can then divide both sides of the equation by 3 to get the final result:

x = 0

Therefore, the simplified form of the given equation is x = 0.

Step-by-step explanation:

What is the product of 3 over 4x and 8x + 3?

Answers

Answer:

 [tex]\frac{24x+9}{4x}[/tex] or 6 + [tex]\frac{9}{4x}[/tex]

Step-by-step explanation:

[tex]\frac{3}{4x}[/tex] × 8x +3

= [tex]\frac{3}{4x}[/tex] × [tex]\frac{8x +3}{1}[/tex]

= [tex]\frac{3(8x+3)}{4x}[/tex]

= [tex]\frac{24x+9}{4x}[/tex]

or 6x + [tex]\frac{9}{4x}[/tex]

Find the inequality represented by the graph.

Answers

Answer:

[tex]\boxed{\bf{\underline{ y\le -\cfrac{3}{2}x-2}}}[/tex]

Step-by-step explanation:

From the given graph,

[tex]\bf y-intercept :\boxed{\tt -2}[/tex]

[tex]\bf Slope:\tt \cfrac{\Delta y}{\Delta x} =\cfrac{-3}{2} =\boxed{-\cfrac{3}{2} }[/tex]

Notice that graph is shaded below (not above), so y is less than the other side of the inequality. the graph elso has a solid line (not dashed), so we are dealing with an "or equal to" inequality.

Therefore, we should use the less than or equal to symbol.

[tex]\boxed{\bf{ y\le -\cfrac{3}{2}x-2}}[/tex]

_____________________

Hope this helps!

Have a great day!

After a dilation with a scale factor of 2 about the origin,ΔABC maps onto ΔDEF Which of the following statements is true?
2. AB=DF
m ∠B=2. m ∠E
CA≅FD
BC/EF=CA/FD

Answers

Hello, I'm pretty sure this answer is D

Answer: D) BC/EF=CA/FD

Step-by-step explanation:

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