Graphing Lines How would you graph 10x-3y=15

Answers

Answer 1

Answer:

Step-by-step explanation:

To graph 10x-3y=15, start by rearranging the equation to the slope-intercept form of y = mx + b, where m = the slope and b = the y-intercept. 10x-3y=15 becomes 3y = 10x - 15. Solve for y by dividing both sides by 3 to get y = (10/3)x - 5.

Now that the equation is in the slope-intercept form, draw a graph on a coordinate plane. Start by plotting the y-intercept at (0, -5). Next, use the slope of 10/3 to determine the rise and run of the line. The rise is +10 and the run is +3. Starting at the y-intercept, draw a line that moves up 10 and to the right 3, and continue doing this until you reach the end of the graph. This line is the graph of 10x-3y=15.

Answer 2

Answer:

y=10/3x+5

(0,5), (3,15)

Step-by-step explanation:

First, put the graph in slope-intercept form. We can do this by subtracting 10x from both sides.

-3y=-10x-15

Next, we divide by -3.

y=10/3x+5

If you don't know how to graph an equation with slope-intercept form,

it is in the format of y=mx+b, where m is the slope (in this case, 10/3) and b is the y-intercept (in this case 5, or (0,5)). First graph the y-intercept.

(0,5).

Then implement the slope. Here we would go up by 10 and then go right by 3. This makes our second point (3,15).

Now that we have two points (0,5) and (3,15), just construct your line.


Related Questions

Help Please..
Cameron reports to work at 7​:00 A.M. and leaves at 4​:00 P.M. after typing from the end of page to the end of page 5 to the end of page 41. His employer pays ​$162.00 for his work.

Answers

The amount that Cameron is paid per hour, given the number of hours he worked, is $ 18 per hour

How to find the payment per hour ?

To find the payment that Cameron got per hour, you first need to find the number of hours that he worked.

This number of hours is:

= 4 pm  - 7 am

= 1600 hrs - 0700 hours

= 9 hours

The payment per hour is therefore:

= Amount Cameron paid / Number of hours worked

= 162 / 9

= $ 18 per hour

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The rest of the question is:

How much was Cameron paid per hour worked?

Find the coordinates of the intersection of the diagonals of the parallelogram with the vertices
W(-2,5), X(2, 5), Y(4, 0), and Z(0, 0).

The coordinates of the intersection are ( , )

Answers

Step-by-step explanation:

the intersection of the diagonals of a parallelogram is always the middle point of either of the diagonals.

so, all we need to do is identify a diagonal and find is middle point.

a diagonal is e.g. from all the way on the left and up (-2, 5) to all the way right and down (4, 0).

the middle point between 2 points is

((x1 + x2)/2, (y1 + y2)/2)

so, here

((-2 + 4)/2, (5 + 0)/2) = (1, 2.5)

the coordinates of the intersection are (1, 2.5).

2(x+2y)=2x+4y is it proportion

Answers

2(x+2y)=2x+4y, yes it is proportional because if you expand the brackets, 2(x+2y) is 2x+4y

Which polynomial is a prime?

Answers

The prime polynomial in this problem is defined as follows:

D. 3x² + x - 6x + 3

What are prime polynomials?

A prime polynomial is a polynomial that cannot be reduced, that is, the polynomial cannot be factored.

The reduced forms of each polynomial are given as follows:

x^4 + 2x² - 3.x^4 - 4x² + 3.3x² - 5x - 2.3x² - 5x + 3.

The first polynomial can be factored as follows:

x^4 - x² + 3x² - 3

x²(x² - 1) + 3(x² - 1)

(x² + 3)(x² - 1).

It can be factored, hence it is not prime.

The second polynomial is factored as follows:

x^4 - 3x² - x² + 3

x^4 - x² - 3x² + 3

x²(x² - 1) - 3(x² - 1)

(x² - 3)(x² - 1).

It can be factored, hence it is not prime.


The third polynomial is factored as follows:

3x² + x - 6x - 2

3x² - 6x + x - 2

3x(x - 2) + x - 2

(x - 2)(3x + 1)

It can be factored, hence it is not prime.

The fourth polynomial cannot be factored, hence it is prime.

3x² + x - 6x + 3

3x² + 6x + x + 3

3x(x + 2) + x + 3.

x + 2 and x + 3 cannot be factored.

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McGuire Corporation began operations in 2021. The company purchases computer equipment from manufacturers and then sells to retail stores. During 2021, the bookkeeper used a check register to record all cash receipts and cash disbursements. No other journals were used. The following is a recap of the cash receipts and disbursements made during the year.

Cash receipts:
Issue of common stock $ 50,000
Collections from customers 320,000
Borrowed from local bank on April 1, note signed requiring
principal and interest at 12% to be paid on March 31, 2022 40,000
Total cash receipts $ 410,000
Cash disbursements:
Purchase of merchandise $ 220,000
Payment of salaries 80,000
Purchase of office equipment 30,000
Payment of rent on building 14,000
Miscellaneous expense 10,000
Total cash disbursements $ 354,000

You are called in to prepare financial statements at December 31, 2021. The following additional information was provided to you:


Customers owed the company $22,000 at year-end.
At year-end, $30,000 was still due to suppliers of merchandise purchased on credit.
At year-end, merchandise inventory costing $50,000 still remained on hand.
Salaries owed to employees at year-end amounted to $5,000.
On December 1, $3,000 in rent was paid to the owner of the building used by McGuire. This represented rent for the months of December through February.
The office equipment, which has a 10-year life and no salvage value, was purchased on January 1, 2021. Straight-line depreciation is used.

What is the Balance sheet?

Answers

The balance sheet for McGuire Corporation as at December 31, 2021, is as follows:

McGuire Corporation

Balance Sheet

As at December 31, 2021

Assets

Current Assets:

Cash                                  $56,000

Accounts Receivable       $22,000

Inventory                          $50,000

Rent Prepaid                      $2,000

Total current assets                          $130,000

Long-term assets:

Office Equipment              $30,000

Accumulated Depreciation (3,000)  $27,000

Total assets                                      $157,000

Liabilities and Equity

Current Liabilities:

Accounts payable                            $30,000

Salaries Payable                                $5,000

Interest Payable                                $3,600

Total current liabilities                    $38,600

Long-term liabilities:

Notes Payable                                $40,000

Total liabilities                                $78,600

Stockholders' Equity:

Common Stock      $50,000

Net income            $28,400          $78,400

Total liabilities and Equity           $157,000

What is the Balance sheet?

The balance sheet is one of the financial statements where an entity or individual reports their financial position.

The financial position consists of assets, liabilities, and equity or net worth at a specific time.

Analysis of Transactions:

Cash $56,000 ($410,000 - $354,000)

Accounts Receivable $22,000

Inventory $50,000

Rent Prepaid $2,000

Office Equipment $30,000

Accumulated Depreciation on Equipment $3,000

Accounts payable $30,000

Salaries Payable $5,000

Common Stock $50,000

Notes Payable $40,000

Interest Payable $3,600

Sales Revenue $342,000 ($320,000 + $22,000)

Cost of goods sold $200,000 ($220,000 + $30,000 - $50,000)

Salaries Expense $85,000 ($80,000 + $5,000)

Rent Expense $12,000 ($14,000 - $2,000)

Miscellaneous Expense $10,000

Interest Expense $3,600 ($40,000 x 12% x 9/12)

Depreciation Expense $3,000 ($30,000/10)

Adjusted Trial Balance

Account Titles                 Debit        Credit

Cash                             $56,000

Accounts Receivable    22,000

Inventory                       50,000

Rent Prepaid                   2,000

Office Equipment         30,000

Accumulated Depreciation:

  Office Equipment                        $3,000

Accounts payable                          30,000

Salaries Payable                              5,000

Common Stock                             50,000

Notes Payable                              40,000

Interest Payable                             3,600

Sales Revenue                           342,000

Cost of goods sold   200,000

Salaries Expense        85,000

Rent Expense              12,000

Miscellaneous Exp.     10,000

Interest Expense          3,600

Depreciation Expense 3,000

Totals                     $473,600  $473,600

Income Statement

Sales Revenue                                 $342,000

Cost of goods sold       $200,000

Salaries Expense            $85,000

Rent Expense                  $12,000

Miscellaneous Expense $10,000

Depreciation Expense     $3,000

Interest Expense              $3,600    $313,600

Net income                                        $28,400

Thus, before the balance sheet can be prepared, the general ledger must be summarized into an adjusted trial balance and an income statement that shows the net income.

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K
Round to the nearest given place.
1.80642 thousandths
I need help this homework please

Answers

Answer:

1.806 (to the nearest thousandth)

Step-by-step explanation:

1.806 (to the nearest thousandth)

The number 1.80642 would round down to 1.806

What is rounding a number to some specific place?

Rounding some number to a specific value is making its value simpler (therefore losing accuracy), mostly done for better readability or accessibility.

Rounding to some place keeps it accurate on the left side of that place but rounded or sort of like trimmed from the right in terms of exact digits.

We need to round  1.80642 to the nearest hundredth,

We can see that the 1.80642 is below 2 so it goes down, and it rounds down to 1.80642 instead of, 14.62 then that would round up to the decimal is higher than 1.

1.80642 rounded to the nearest thousandth is 1.806.

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I need help with this problem

Answers

the space between  [tex]3x-2\ge -5 : $x \geq-1$[/tex] the time between

[tex]2x+5\le 17 : $x \leq 6$[/tex] . When two simple inequalities are combined, the result is a compound inequality.

What are compound inequalities in math?

Inequalities that are separated by "and" or "or" form a compound inequality. The intersection of the inequality graphs is shown by the graph of a compound inequality with a "and." When a number resolves both inequalities, it also resolves the compound inequality. Compound inequality can come in two different forms. Both congruence and disjunction issues are at play.

Occasionally, these compound inequality formulas will be represented as two simple inequality formulas that have been separated by the words AND or OR. If there are multiple "and/or" compound inequalities, start by resolving each one separately. It is an inequality when two simple inequalities are combined to form it. The two expressions that make up an equation or an inequality are connected in a mathematical statement.

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Find the distance between the two points rounding to the nearest tenth (If necessary)
(1,-3) and (-7,2)

Answers

Answer:

Step-by-step explanation:

Distance formula is as follows.

The distance between two co-ordinates, say, (x₁ , y₁) and (x₂,y₂), is equal to

√((x₁ - x₂)² + (y₁ - y₂)²)

Just substitute the values here.

√((1 - (-7) )² + ( - 3 - 2)²)

= √((1 + 7)² + ( - 3 - 2)²)

= √(8² + -5²)

= √(65 + 25)

= √90  ≈9.5 units

Pls mark as brainliest. I really need for no apparent reason. Cheers

Mr. Heritage starts a new business, and to get it started he borrows $2 500 from a bank. If the loan is for two years, and the amount of interest for those two years is $175, what SIMPLE interest rate was he charged? (SIMPLE INTEREST: the principle and interest calculations dont change- they stay the same for the entire two year period!) BONUS- if he pays off the whole loan in the two years, what would his monthly bill be, (DON'T FORGET TO INCLUDE THE INTEREST CHARGE FOR HIS MONTHLY BILLS!!! YOU CAN ROUND YOUR CALCULATION TO THE NEAREST HUNDRETH- THAT IS, TO TWO DECIMAL PLACES...)​

Answers

The rate of interest is given by the equation R = 3.5 %

What is Simple Interest?

Simple interest is a method of calculating interest that ignores the impact of compounding. While interest frequently compounds throughout the course of a loan's set periods, simple interest does not. Simple interest is calculated by multiplying the principal amount by the interest rate, times the number of periods.

Simple Interest = ( Principal Amount x Rate x Time Period ) / 100

Given data ,

Let the rate of interest be represented as R

Now , the simple interest I = $ 175

The principal amount invested P = $ 2,500

The time period T = 2 years

Simple Interest = ( Principal Amount x Rate x Time Period ) / 100

Rate of Interest = (Simple Interest x 100 ) / Principal Amount x Time Period )

Substituting the values in the equation , we get

Rate of Interest R = ( 175 x 100 ) / ( 2500 x 2 )

Rate of Interest R = 17500 / 5000

Rate of Interest R = 3.5 %

Hence , the interest rate is 3.5 %

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If f(x)=4x^4-3x^2+4f(x)=4x
4
−3x
2
+4, then what is the remainder when f(x)f(x) is divided by x+3x+3?

Answers

Answer:

synthetic division method use it

Slopes of parallel/Purpendicular lines - What is the slope of a line parallel to the line whose equation is x + 2y = -14

Answers

Answer:    -1/2

Explanation:

First we solve for y.

x + 2y = -14

2y = -14 - x

2y = -x - 14

y = (-x - 14)/2

y = -x/2 - 14/2

y = (-1/2)x - 7

The equation is in slope intercept form y = mx+b

m = -1/2 = slopeb = -7 = y intercept

Parallel lines have equal slopes, but different y intercepts. This means the slope of any line parallel to this given one will have a slope of -1/2

For example, y = (-1/2)x + 10 is parallel to y = (-1/2)x - 7, since both have the same slope of -1/2 but different y intercepts.

Let f(x)=−|x−4|+4 and g(x)=1/2x−4. Graph the functions in the same coordinate plane. What are the solutions to f(x)=g(x)? Enter your answers in the boxes from smallest to largest.
x =
and x =

Answers

Answer:

Step-by-step explanation:

To find the solutions to f(x) = g(x), we need to find the values of x that make the two sides of the equation equal.The function f(x) = −|x−4| + 4 is a piecewise function. For x≤4, f(x) = −(x−4) + 4 = 4−x and for x>4, f(x) = (x−4) + 4 = x.The function g(x) = 1/2x − 4 is a linear function.When we graph these two functions in the same coordinate plane, we can see that they intersect at the point (4, 4) this point is the only solution where f(x) = g(x)so the solution of x = 4

x = 4

A car radiator needs a 40% antifreeze solution the radiator now holds 49% of a 30% solution. How many liters of this should be drained and replaced with 100% antifreeze to get the desired strength

Answers

If a car radiator needs a 40% antifreeze solution the radiator now holds 49% of a 30% solution. The number of  liters that should be drained and replaced with 100% antifreeze to get the desired strength is 7 liters.

How to find the number of liters to be drained?

Let x represent the number of liters that should be drained

So, Let solve for x

x+.30(49-x)=.40× 49

x=14.7-.30x=19.6

.7x=19.6 - 14.7

.7x=4.9

x=4.9/.7

x = 7 liters need to be drained & filled with 100% antifreeze.

Therefore the number of liters is 7 liters.

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what's th y intercept of y=6(x-1/2)(x+3)

Answers

to get the y-intercept of any equation we can simply set x = 0 and solve for "y", so let's do so

[tex]y=6\left( x-\cfrac{1}{2} \right)(x+3)\implies \stackrel{\textit{setting x = 0}}{y=6\left( 0-\cfrac{1}{2} \right)(0+3)}\implies y=6\left( -\cfrac{1}{2} \right)(3) \\\\\\ y=(-3)(3)\implies y=-9\hspace{12em} {\Large \begin{array}{llll} \stackrel{y-intercept}{(0~~,~~-9)} \end{array}}[/tex]

The graph of the function f(x) =-3x^2 - 3x + 6 is shown. Which statements describe the graph? Select three options.
1) The vertex is the maximum value.
2) The axis of symmetry is x = -1/2.
3) The domain is all real numbers.
4) The range is all real numbers.
5) The function is decreasing from (-∞, 6.75).

Answers

Answer:

1) The vertex is the maximum value.

2) The axis of symmetry is x = negative one-half.

3) The domain is all real numbers.    

Step-by-step explanation:

Let A= {a,b,c,d,e,f } and let B= {1,2,3,} determine n(AxB)

Answers

The value of n(AxB) is mathematically given as

n(A x B)  = 18

What is the magnitude of the sample?

Generally, It is possible to extend the formula for calculating the magnitude of a vector to any number of dimensions. For instance, the magnitude of a four-dimensional vector denoted by

a=(a1,a2,a3,a4) may be calculated using the following formula: a=a21+a22+a23+a24.

The question "how much of a quantity" is what's meant to be answered when one asks about magnitude.

For instance, the magnitude may be used to provide an explanation for why the speeds of a vehicle and a bicycle cannot be compared directly to one another. It is also possible to use it to describe the distance traveled by an item or the quantity of an object in terms of its magnitude. Both of these applications need the usage of magnitude.

n(A x B) = |A| x |B|

= 6 x 3

n(A x B)  = 18

Where

|A| is the number of elements in set A (in this case, 6) and |B| is the number of elements in set B (in this case, 3).

The product of these two values is the total number of ordered pairs that can be formed from the elements of A and B, which is 18.

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A person standing on an escalator reaches the top in 3 minutes. How many minutes will it take the person to reach the top if he walks up the moving escalator at a speed of 25 meters per minute? The escalator is 150 meters long.

Due today, I NEED HELP!!

Answers

If he walks up the moving escalator at a speed of 25 meters per minute,

the person will reach the top in six minutes.

What is division?

The division in mathematics is one kind of operation. In this process, we split the expressions or numbers into the same number of parts.

Given:

A person standing on an escalator reaches the top in 3 minutes.

The escalator is 150 meters long.

He walks up the moving escalator at a speed of 25 meters per minute.

So, the time taken = divide 150 by 25

The time taken = 150/25

The time taken = 6 minutes.

Therefore, he will reach the top in six minutes.

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The fourth grade is going on a field trip and taking two buses. One bus has 3 rows of seats with 9 seats in each row the other bus has four times as many seat as the first bus. How many seats are there in both buses?

Answers

The number of seats of each bus is given as follows:

First bus: 27. Second bus: 108.

How to obtain the number of seats?

The number of seats of each bus is obtained applying the proportions in the context of the problem.

One bus has 3 rows of seats with 9 seats in each row, hence the number of seats of the first bus is given as follows:

3 x 9 = 27.

The other bus has four times as many seat as the first bus, hence the number of seats of the second bus is given as follows:

4 x 27 = 108.

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What is the nth term rule of the quadratic sequence below?

5
,

3
,
3
,
13
,
27
,
45
,
67
,
.
.
.

Answers

Answer:

Step-by-step explanation:

y=ax²+bx+c

x=1,y=-5

-5=a+b+c   ...(1)

x=2,y=-3

-3=4a+2b+c   ...(2)

x=3,y=3

3=9a+3b+c  ...(3)

(2)-(1) gives

2=3a+b   ...(4)

(3)-(2) gives

6=5a+b   ...(5)

(5)-(4) gives

4=2a

a=4/2=2

from (4)

6=5(2)+b

b=6-10=-4

from (1)

-5=2+(-4)+c

-5=-2+c

c=-3

y=2x²-4x-3

On A riverboat traveled 10 miles upstream against the
current in 5 hours. The return trip took only half
da
the amount of time while the boat traveled with the current.

a. Write an equation for the trip upstream.
b. Write an equation for the return trip.
c. Use combination/elimination to find the speed of the boat and the speed of the current.

Answers

Answer:

a. Let x be the speed of the boat in miles per hour and y be the speed of the current in miles per hour. Since the boat traveled upstream, the speed of the current is added to the speed of the boat. Therefore, the equation for the trip upstream is:

distance = (x + y) * time

10 = (x + y) * 5

b. For the return trip, the speed of the current is subtracted from the speed of the boat. Therefore, the equation for the return trip is:

distance = (x - y) * (time/2)

10 = (x - y) * (5/2)

c. To find the speed of the boat and the speed of the current, we can use the method of elimination. From the first equation, we have:

10 = 5x + 5y

From the second equation, we have:

10 = 2.5x - 2.5y

Now we can use the elimination method by multiplying the first equation by 2 and then subtracting the second equation from it.

20 = 10x + 10y

20 = 5x - 5y

so we have

0 = 5x + 5y - 5x + 5y

0 = 10y

The equation becomes impossible to solve as we can't divide by 0.

As we know that the speed of the boat and the speed of the current are non-zero numbers, we can't find the exact speed of the boat and the current. We can conclude that the information given is not sufficient to find the exact speed of the boat and the current.

Step-by-step explanation:

Please look at the picture and answer the question thank you

Answers

Answer: (-2, 10)

Explanation:

The left endpoint is -2. The right endpoint is 10. Both endpoints are open holes, which means we don't include them as part of the green-shaded solution region. If x is a solution, then the solution can be described as [tex]-2 < x < 10[/tex] converting to interval notation [tex](-2,10)[/tex] . The curly bracket says "do not include endpoint".

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if an adult and kids went to a theater and it 3.50 perticket for each adult and it was 2.50 for children and they sold 321 tickets and made 972.21 dollars how many tickets for aduklts and children

Answers

number of tickets for adult = 170 and number of tickets for children = 151

What is equation with two variables?

The equation that has two unknown variables and express the equality between two or more expression is called equation with two variables.

How many tickets for adult and kids?

let, x denotes the number of adults went to theater.

y denotes the number of children went to theater

price of ticket for each adult = $3.50

price of tickets for each child = $2.50

if the number of total tickets = 321

x + y = 321

total cost of tickets = $3.50x + $2.50y = 972.21 dollar

we will solve the above two equations, y = 321 - x

by putting the y value in the second equation,

3.50x + 2.50 (321- x) = 972.21

3.50x + 802.5 - 2.50x = 972.21

x = 169.71

number of adults went to theater = 170

from, y = 321 -169.71

    y = 321 - 169.71

y = 151.3, y= 151

number of children went to theater = 151

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What’s Ln(d)=n in exponential form?

Answers

Answer:

ln(d) = n can be rewritten in exponential form as d = e^n.

Step-by-step explanation:

The natural logarithm, denoted by ln, is the logarithm to the base e (approximately 2.718). The inverse of the natural logarithm function is the exponential function e^x. Therefore, when you take the natural logarithm of a number, you can raise e to the power of that number to get the original value.

ln(d) = n is the same as d = e^n

So, Ln(d)=n can be written as d = e^n

This is because e^n is the inverse function of Ln(d) and Ln(d)=n is the logarithm form of d = e^n

help me with this question and find f8

Answers

Answer:

f(8) = - 1

Step-by-step explanation:

f(8) has x = 8 which is in the interval x > 0 , then f(x) = - 1 , so

f(8) = - 1

X is the number of products. What is the minimum production cost?

Answers

Answer:

(125, -312500)

C(x) = -312500

Step-by-step explanation:

use this equation into a graphing calculator and use the minimum function

What is the equation?
N=4 Y=3

2y + 6n

Answers

The answer would be 30

First, you’ll input the coefficients into the variable

2(3) + 6(4)

Next, you’ll multiply 2 x 3 and 6 x 4

6 + 24

Afterwards, you’ll solve

30

use substitution to solve the following system of equations.
4x+4y=16 AND y=x+2
( [?], [?])

Answers

The solution of the system of equations by using substitution method is x = 1 and y = 3

How to use substitution method to solve system of equations?

The substitution method is a method for solving systems of equations. It involves solving for one variable in one of the equations and then substituting that value into the other equation to find the value of the other variable.

We have the equations 4x + 4y = 16 and y = x+2

Substitute y = x +2 into  4x + 4y = 16:

4x + 4y = 16

4x + 4(x +2) = 16

Clear the parenthesis:

4x + 4x + 8 = 16

8x + 8 = 16

8x = 16-8

8x = 8

x = 8/8

x = 1

put x = 1 into  y = x+2:

y = x+2

y = 1 + 2

y = 3

Therefore, the solution of the system of equations is x = 1 and y = 3

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What is the equation of the midline of the sinusoidal function?

Answers

Answer:

y = -3

Step-by-step explanation:

The midline of a sinusoidal function is y = a where "a" is halfway between the minimum and maximum y-values of the function.

From inspection of the given graph:

Maximum y-value = 1Minimum y-value = -7

Therefore, the y-value that is halfway between the minimum and maximum points is:

[tex]\implies y=\dfrac{y_2+y_1}{2}=\dfrac{-7+1}{2}=\dfrac{-6}{2}=-3[/tex]

Therefore, the equation of the midline of the given sinusoidal function is:

y = -3

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Answers

Answer:

38[tex]\sqrt{3}[/tex]

Step-by-step explanation:

6[tex]\sqrt{5x5x3}[/tex] + 4[tex]\sqrt{2x2x3}[/tex]  We can pull out a pair of 5's and 2's

6(5) [tex]\sqrt{3}[/tex] + 4(2)[tex]\sqrt{3}[/tex]

30[tex]\sqrt{3}[/tex] + 8[tex]\sqrt{3}[/tex]

38[tex]\sqrt{3}[/tex]

Rationalize the denominator and simplify the following expression:

fraction numerator 4 plus square root of 2 over denominator 2 space minus square root of 2 end fraction


5 plus 3 square root of 2


10 plus 6 square root of 2


2 plus 6 square root of 2


2 plus 3 square root of 2

Answers

Answer:

[tex]\textsf{A)} \quad 5+3\sqrt{2}[/tex]

Step-by-step explanation:

Given rational expression:

[tex]\dfrac{4+\sqrt{2}}{2 -\sqrt{2}}[/tex]

To rationalise the denominator, multiply both the numerator and denominator by the conjugate of the denominator.

The conjugate of an expression is where we change the sign in the middle of the two terms.  Therefore, the conjugate of the denominator of the given expression is:

[tex]2 + \sqrt{2}[/tex]

Multiply the numerator and denominator by the conjugate of the denominator:

[tex]\implies \dfrac{4+\sqrt{2}}{2 -\sqrt{2}} \cdot \dfrac{2 +\sqrt{2}}{2 +\sqrt{2}}[/tex]

Simplify:

[tex]\implies \dfrac{(4+\sqrt{2})(2 +\sqrt{2})}{(2 -\sqrt{2})(2 +\sqrt{2})}[/tex]

[tex]\implies \dfrac{8+4\sqrt{2}+2\sqrt{2}+\sqrt{2}\sqrt{2}}{4+2\sqrt{2}-2\sqrt{2}-\sqrt{2}\sqrt{2}}[/tex]

[tex]\implies \dfrac{8+6\sqrt{2}+2}{4-2}[/tex]

[tex]\implies \dfrac{10+6\sqrt{2}}{2}[/tex]

Reduce to its simplest form by dividing the numerator and the denominator by 2:

[tex]\implies 5+3\sqrt{2}[/tex]

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