3. Write an equation that represents the line that passes through the point (7,4) and has a slope of 4/9

After checking Judi Imhoff's account statement her new balance is $1003.83

What is an account statement?

A statement of accounts is a document that lists all the transactions you have with a certain client during a specific time period. In order to inform their clients of the amount they owe for purchases made during that time period on credit, company owners typically issue statements of accounts to their clients. The manual explains the statement of accounts' contents and demonstrates how to file it for clients.

Your bank may send you a monthly or annual statement if you have a savings account.

account statement for the quarter. All deposits are reflected on the account statement,

withdrawals, as well as interest that is added to your account.

The new balance = Previous Balance + Interest + Deposits - Withdrawals

The new balance =  $717.52  + $4.36 + ($125.00 + $276.95) - $90.00

So, the new balance of Judi Imhoff is  $1003.83

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Answer: 8.6

same side s C and B

Answer: 7.2

Step-by-step explanation:

Since this is a right triangle we can use the Pythagorean theorem to solve for side b.

Pythagorean theorem: a²+b²=c²

Since the side length opposite the right angle is the hypotenuse we plug 11.2 in for C

(8.6)² + b²=(11.2)²

73.96 + b² = 125.44

b²=51.48

b = 7.17495644586

b=7.2

Answer:

Step-by-step explanation:

for the first car  374/17 = 22 m per second

for bus  414/23 = 18  m per second

so the car is moving faster

car is moving faster than (22-18)=4 m per second from the bus

Answer: Car: 22 meters per second, Bus: 18 meters per second. The bus travels faster at 4 meters per second.

Step-by-step explanation: First, you should write a proportional relationship for meters per second so the car would be 374/17 and the bus would be written as 414/23. This is so you can know that you divide 374 by 17 to get 18, and 374 by 17 to get 22. So, you had it backward, the bus is faster by 4 meters per second, I hope this helped, for me (a 7th grader) this was review math, so I hoped this helped you.

Answer:

3

12

12

48

48

192

192

768

768

I hope I helped you

Answer:

-38

Step-by-step explanation:

The sequence is decreasing by 7 everytime

-10 to -17 decrease of 7

-17 to -24 decrease of 7

-24 to -31 decrease of 7

The real and complex solutions of the polynomial equation [tex]x^{3} - 8[/tex] = 0 is 2,  -1 + [tex]\sqrt{3}[/tex]i  and  -1 - [tex]\sqrt{3}[/tex]i. option 2 is correct.

Polynomial equations are those created using exponents, coefficients, and variables. The greater of its possible exponents is referred to as the equation's degree. By factoring polynomials according to their degree and the variables in the equation, we may find their solutions.

Our equation is [tex]x^{3} - 8[/tex]

and we know that:  [tex]x^{3} = 8[/tex]

then we can write our equation as: [tex]x^{3} - 2^{3}[/tex]

And using the identity: [tex]a^{3} - b^{3} = (a-b) *(a^{2} +ab+b^{2} )[/tex]

where a = x and b = 2, then our equation is:

them, if x = 2 the first part is zero, so x = 2 is a solution, and now we need to see the second part in order to find the complex solutions.

[tex]x^{2} + 2x +2^{2}[/tex] = 0

Here we need to use.

a[tex]x^{2}[/tex] + bx + c = 0 if  for a, b and c constants, then:

x = [tex]-b +-\sqrt{b^{2} - 4ac } /2a[/tex]

in our problem we have:

x = -2 +-[tex]\sqrt{4 - 16}[/tex] /2

x = -1 +-[tex]\sqrt{-3}[/tex]

x =  -1 +-[tex]\sqrt{3}[/tex] i

So here we have two complex solutions:  -1 + [tex]\sqrt{3}[/tex]i  and  -1 - [tex]\sqrt{3}[/tex]i

So the value of x are 2,  -1 + [tex]\sqrt{3}[/tex]i  and  -1 - [tex]\sqrt{3}[/tex]i

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I think you mean

What are the real and complex solutions of the polynomial equation? (1 point)

[tex]x^{3} - 8[/tex] = 0

( the equation is [tex]x^{3} - 8[/tex] = 0 and not x-8 =0)

1. The slope of Abha's climb is 2 (rise/run).

2. No, the line 54y=13x does not pass through the origin.

3. The y-intercept of the line is 5.

4. The equation of the line is y = -5x + 3.

A linear function is one that has one or two variables and no exponents, according to the definition given in mathematics. It is a graphing function that produces a straight line.

To finish the graph, use a straightedge to draw a line through the two points as two points decide a line. The formula for a linear function is f(x)=mx+b, where m and b are real values representing the slope. Set f(x)=0 and work out the value of x to determine the x-intercept, if one exists. We can use y and f(x) interchangeably because y=f(x).

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The equivalent expression by combining like terms is 1.10b and

If the cost increases by 10%, you can multiply the former cost by 110%

From the question, we have the following parameters that can be used in our computation:

Expression of 10% raise = b + 0.10b

Evaluate the like terms in the above expression

So, we have the following representation

Expression of 10% raise = 1.10b

Hence, the expression is 1.10b

Recall that we have the mathematical statement to be

If the cost increases by 10%, you can multiply the former cost by %.

In this case, the factor is calculated as

factor = 1 + 10%

So, we have

Factor = 110%

So, the missing expression in the statement 110%

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After solving the provided question, The value for a in the system of equations below would yield no solutions for the system is [tex]= > a = 18 - 20\frac{y}{x}[/tex]

several equations at once, multiple equations In algebra, you must work together to solve two or more equations (i.e., the solution must satisfy all the equations in the system). For a system to have a unique solution, there must be an equal number of equations and unknowns.

When there are two variables and you are given two pieces of information about how those variables are related, a system of equations is used. To address a number of typical problems, a system of equations can be employed.

[tex]3x-5y=15\\multiply with 6\\18x -30y = 90\\compare the equation with \\ax-10y=90\\then \\18x -30y = ax-10y\\ax = 18x + 10y -30y\\ax = 18x-20y\\a= (18x -20 y) / x\\[/tex]

[tex]= > a = 18 - 20\frac{y}{x}[/tex]

x≠o

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The total bill if the student takes nine credit hours at the community college is T = $1415.

One or more variables can be present in a linear equation, but their maximal possible power is only one. The graph of a linear equation will thus always be a straight line. Y = mx + b, where m denotes the line's slope and b its y-intercept, or point of intersection with the y-axis, is how linear equations are expressed. Many real-world situations, such as the connection between two variables or the distance travelled at a constant pace, may be modelled using linear equations. In order to obtain the value of the variable(s) necessary to make the equation true, one must use algebraic methods.

How to solve?

The total bill, t, for a student carrying fewer than twelve credit hours is given by,

T = 155 n + 20, where n represents the hours taken for semester.

The total bill if the student takes nine credit hours is T = 155(9) + 20 = $1415.

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The linear model representing the information is y = 600x + 1500.

To produce 12 solar heaters it cost $8,700.

The domain of the linear model is [1, 80].

The equation of a line is given by:

y = mx + c

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

Example:

The slope of the line y = 2x + 3 is 2.

The slope of a line that passes through (1, 2) and (2, 3) is 1.

We have,

10 solar heaters = $7500

20 solar heaters = $13,500

The linear model can be in the form of y = mx + c

m = (13,500 - 7500)/(20 - 10)

m = 6000/10

m = 600

Now,

(10, 7500) = (x, y)

7500 = 600 x 10 + c

c = 7500 - 6000

c = 1500

Now,

The linear model is y = 600x + 1500.

Where y is the cost of x solar heaters.

Now,

x = 12,

y = 600 x 12 + 1500

y = 7200 + 1500

y = 8700

Now,

y ≤ 50,000

We see that,

x = 81

y = 600 x 81 + 1500 = 48600 + 1500 = 50,100

x = 80

y = 600 x 80 + 1500 = 48000 + 1500 = 49,500

The domain is from x = 1 to x = 80.

Thus,

The linear model is y = 600x + 1500.

$8,700 is the cost to produce 12 solar heaters.

The domain is [1, 80].

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Answer:

Bro you require a protector to measure angle

Answer:

A. 45 degrees

B.90 degrees

Step-by-step explanation:

Answer:

I think it's repeating pattern

Answer:

Window view rooms is 50, no window view rooms is 150.

Step-by-step explanation:

I just multiplied the prices times random number of rooms until they added together to 8,500$. It was purely by chance that I discovered the answer ngl to you lol

Answer:

  400

Step-by-step explanation:

You want to know the number of foxes predicted after 42 years by y = 50·2^x, where x is measured in 14-year periods.

42 years is 42/14 = 3 14-year periods. Using x=3 in the equation, we predict ...

  y = 50·2^3 = 50·8 = 400

foxes.

After 42 years, there will be 400 foxes.

__

Additional comment

It is often convenient to use time measured in 1-year periods. In that case, the equation could be written ...

  y = 50·2^(t/14)

Then t/14 is the number of 14-year periods when t is in years.

Answer:

5590-149,60

Step-by-step explanation:

sum completed

In the given situation where Jack writes 5 * 216 as (5*200) + (5*16), he uses the distributive property.

The distributive property of binary operations in mathematics generalizes the distributive law, which states that in elementary algebra, equality is always true.

For instance, in basic mathematics, one has to According to one, addition is distributed more evenly than multiplication.

The distributive property states that multiplying the sum of two or more addends by a number yields the same outcome as multiplying each addend separately by the number and combining the resulting products.

So, in this instance, the multiplication is as follows:

5 * 216

This multiplication can be rewritten as follows:

5*(200+16)

We then put the distributive property to use. So, we have:

(5*200) + (5*16)

Therefore, in the given situation where Jack writes 5 * 216 as (5*200) + (5*16), he uses the distributive property.

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Correct question:
Jack broke apart 5x216 as (5x200)+(5x16) to multiply mentally. What strategy did Jack use?

The answer to this Question based on Thales Theorem is x = 8

What is Thales Theorem?

It says that when we join the mid points of two sides of a triangle the line is parallel to third side of triangle then the length of this joined line is half of length of third side

Here in Question given figure is like trapezium but we can extend it to make a triangle then by thales theorem we need to apply on other two sides hence joined line is parallel to third lines hence will be half of it

Solution:

1/2(x) = 2x - 12

x = 2(2x-12)

x = 4x - 24

24 = 3x

x = 8

Hence required value of x is 8

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Answer: 12.5%

Step-by-step explanation:

Take 1750 divided by 1999, then time 100% = 87.5%

100% - 87.5% = 12.5%

The rate of discount is 12.5%

Answer: 35%

Step-by-step explanation:

The total amount of candy is 20, and there is 7 green candy, so we got 7/20. Then we multiplied 20 and 7 by 5, so we got 100 and 35, so we got 35/100, which is 35%

The inequality that is used to find the domain of the function would be B x - 3 ≥ 0

The domain of a function is defined as the set of all the possible input values that are valid for the given function.

The given function is f(x) = √x - 3

Here we have to find the inequality that is used to find the domain of the function.

Therefore, the function (x - 3) must be greater than or equal to 0

That is;

x - 3 ≥ 0

We will use the above inequality to find the domain of the function.

When we solve the above inequality, we get the domain of the function then;

x - 3≥0

Now add 3 on both sides, we get;

x - 3 + 3 ≥ 0 + 3

x ≥ 3

Therefore,  the answer is x - 3 ≥ 0

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The arithmetic sequence has a 2nd term of -2 and a 7th term of 18 has the following answers.

What is arithmetic progression?

An progression or arithmetic sequence may be a sequence of numbers specified the difference between the consecutive terms is constant.

Main body:

General formula for arithmetic sequence

a + (n-1)d = aₙ

arithmetic sequence has a 2nd term of -2  , which means

a+d = -2    

a = -(d+2)      ---------(1)

7th term of 18 , which means

a+ 6d = 18

substituting value from equation 1,

-(d+2) +6d = 18

-d -2 +6d = 18

5d = 20

d = 5

using d= 5 in equation 1,

a = -(5+2)

a =-7

A) 10th term

=a +9d

= -7+9*5

= 38

B)  recursive formula for the sequence = aₙ+1=aₙ+d  .

Hence for the given sequence , it is

a₃ = a₂ +d

a₃ = -2+5

a₃ = 3

C) sum of first 10 terms

Sₙ =  n/2{2a+ (n-1)d}

S₁₀ = 5 {2*-7 + 9*5}

S₁₀ = 5[ -14 +45]

S₁₀ = 5*31

     = 105

Hence the sum of the first 10 terms is 105.\

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The domain of the function (g·f)(x) is {x∈ℝ|x ≠ -1}. Therefore, option B is the correct answer.

Given that, f(x)=x²+2x-4 and g(x) =[tex]\frac{1}{(x+1)}[/tex].

Functions are the fundamental part of the calculus in mathematics. The functions are the special types of relations. A function in math is visualized as a rule, which gives a unique output for every input x.

Here, (g·f)(x) can be determined as follows

(g·f)(x)=g(x)×f(x)

= [tex]\frac{1}{(x+1)} \times x^2+2x-4[/tex]

Find the domain by finding where the expression is defined.

Interval Notation:

(-∞,-1)∪(-1,∞)

Set-Builder Notation:

{x∈ℝ|x ≠ -1}

The domain of the function (g·f)(x) is {x∈ℝ|x ≠ -1}. Therefore, option B is the correct answer.

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There are 990 ways to select 6 starters from a possible 14 using precisely two of the three triplets.

= C(3,2) = 3! / ( 2! x 1! ) = 3

To select the final 4 starters out of the 11 players ,

= C(11,4) = 11! / (4!7!)

= 330

There are a total of 6 ways to select starters.

= 3*330 = 990

Contrary to permutations, the order of selection is irrelevant when choosing elements from a collection using the combination method.

The number of combinations can be counted in simpler situations. Combination is the taking together of n items, k at a time, without repetition.

The terms k-selection or k-combination with repetition are frequently used to describe combinations where repetition is permitted.

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Step-by-step explanation:

let the number be x

So,

(x - 6) × 2 = 22

2x - 12 = 22

2x = 34

x = 17

Thus, the answer is 17

Answer:

m=-12/5

Step-by-step explanation:

yes

Zero is the slope of a line parallel to this line.

-1/9 is the slope of a line perpendicular to this line.

According to linguists, the Middle English adverb aslope, which meaning "at an angle," is where the term slope is said to have originated. A steep hill or the ramp in a parking garage are examples of things that are at an angle or on a slope and may be described using the word's noun form.

The ratio of the vertical change between two places is referred to as the slope. A line's slope is another indicator of how steep it is. In mathematics, slope is determined by "rise over run" (change in y divided by change in x).

The line becomes: y = 9x - 3

line is in the Slope-Intercept form : y = mx + c

Now comparing this two and we get slope, (m) = 9

So, The line perpendicular will have slope (m') = -1/m

or, m' = -1/9

The line parallel to this line will have slope (m'') = 0

because here the two lines are parallel, so they have no slope.

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Part a: Time taken to double the population of chipmunks is 5/2 months.

Part b: Population at population size; P = 200 is 50.

Part a: Time taken to double the population of chipmunks;

P(t) = 100[1 + (0.3)t + (0.04)t²].

P(0) = 100[1 + 0 + 0] = 100

P(t) = 200 = 100 + 30t + 4t²

4t² + 30t − 100 = 0

2t² + 15t − 50 = 0

(2t − 5)(t + 10) = 0

t = 5/2

It will take 5/2 months population to double its initial size P(0).

Part b: Population at population size; P=200

P'(t) = 0 + 30 + 8t

P = 200 when t = 5/2

P'(200) = 30 + 8(5/2)

P'(200) = 30 + 20

P'(200) = 50

Thus, the instantaneous rate of growth of the population when the population size is P=200 is 50.

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As the teacher-to-student ratio is equivalent in all schools, the number of students in school B is 506, the number of teachers in school C is 25 and  the number of students in school D is 792 respectively.

What are ratio and proportion?

An equation known as proportion shows that the two ratios presented are equal to one another. A ratio is the comparative or condensed form of two quantities of the same type. The majority of the explanations for ratios and proportions use fractions. A ratio is a fraction that is expressed as a:b, but a proportion says that two ratios are equal. In this case, a and b can be any two integers. 

Given, the teacher-to-student ratio is equivalent for all schools.

For school A, ratio of teacher-to-student = 15/330 = 1:22

Then, for school B, the number of students = 23*22 = 506

For school C, the number of teachers = 550/22 = 25

For school D, the number of students = 36*22 = 792

Hence, these are the required number of students and teachers for the respective schools.

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Probability sampling is not "wrong," and convenience sampling allows allowing generalizations to a wider group.

Convenience sampling is any non sampling technique where units are chosen for the sample based on their accessibility to the researcher.

Thus, probability sampling is not "wrong," and convenience sampling allows allowing generalizations to a wider group.

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