Lynne needs to borrow $6250 for cosmetic surgery. She obtains a loan from her grandmother for 24
months at a simple interest rate of 5.4%. What is the loans future value?

The value of the expression given as (7/4x - 5) - (2y - 3.5) - (-1/4x + 5) is 2x - 2y - 6.5

In this question, the representation of the expression is given as

(7/4x - 5) - (2y - 3.5) - (-1/4x + 5)

Start by removing the brackets in the expression

So, we have

7/4x - 5 - 2y + 3.5 + 1/4x - 5

Evaluate the fractions in the expression

The expression becomes

1.75x - 5 - 2y + 3.5 + 0.25x - 5

Collect the like terms

1.75x + 0.25x - 2y - 5  + 3.5  - 5

Evaluate the like terms

2x - 2y - 6.5

Hence, the solution is 2x - 2y - 6.5

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Answer: C & E

Step-by-step explanation: A is a lie, function 1 is pos

B is a lie function 1 is pos

C is true

D is a lie

E is true

Answer:

48

Step-by-step explanation:

1 ) Simplify...

[tex]6^2-\left(-12\right)[/tex]

[tex]=6^2+12[/tex]

[tex]6^2=36[/tex]

[tex]=36+12[/tex]

2 ) Add the numbers...

[tex]36+12 =[/tex]

[tex]48[/tex]

Hope this helps! :)

Answer:

the equation is 37.45-5.35v=0

Step-by-step explanation:

37.45-5.35v=0

minus 37.45 to both sides

-5.35v=-37.45

divide -5.35 from both sides

v=7

after 7 days she will finish the card

Answer: A

Step-by-step explanation: A

A

If he has 2 more pennies than nickels. the number of pennies is  10.6  and the number of nickels that Levi has is  12.6.

n = number of nickels

n-2 = number of pennies

Hence,

5n +1(n -2) = 74

Collect like terms

6n = 76

Divide both side by 6n

n = 76/6

n = 12.6 ( nickels)

Pennies

n-2

= 12.6 -2

= 10.6

Therefore Levi  has 10.6 pennies and 12.6 nickels.

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Answer:

Step-by-step explanation:

Jb

The vertex of the equation y=x^2-12x+7 is (6,-29) and the graph is given below.

In the given question we have to find the graphing form of y=x^2-12x+7.

The given equation is y=x^2-12x+7.

To graph the given equation we firstly express that equation in the standard form of parabola.

y=a(x-h)^2+k

Add and subtract 36 in the given equation;

y=x^2-12x+36-36+7

y=x^2-2×6×x+(6)^2-29

y=(x-6)^2-29

The vertex of the given equation is (6,-29).

The graph of the given equation is given below:

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The answer is option A) A factor of f(x) is (x – 1).

What is the remaining theorem?

Remainder Theorem is a method for dividing polynomials according to Euclidean geometry. This theorem states that when a polynomial P(x) is divided by a factor (x - a), which isn't really an element of the polynomial, a smaller polynomial is produced along with a remainder.

f(x) = 4x3 - 4x2 - 16x + 16 [Given]

One aspect is (x - 2)

The remaining theorem is used to:

Where q(x) is the quotient polynomial and r(x) is the remainder polynomial, f(x) = (x-2)q(x) + r(x).

As (x-2) is a factor of f, r(x) equals 0. (x)

f(x) = (x-2)·q(x) (x)

q(x) = f(x)/ (x-2) (x-2)

[4x3 - 4x2 - 16x + 16]/ (x - 2) (x - 2)

= [4x2 (x - 1) - 16 (x - 1)]

/ (x - 2) (x - 2)

By even more simplifying

= [(x - 1) (4x2 - 16)]

/ (x - 2) (x - 2)

excluding 4 as common

= [(x - 1) 4 (x2 - 4)]

/ (x - 2) (x - 2)

With the use of the algebraic formula a2 - b2 = (a + b) (a - b)

= [(x - 1) 4 (x + 2) (x - 2)]

/ (x - 2) (x - 2)

= [4 (x - 1) (x - 2) (x + 2)]

/ (x - 2) (x - 2)

The roots are therefore 2, -2, and 1.
there the ans is A) A factor of f(x) is (x – 1).

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The equivalent multiplication sentence that shows associative property is 3x(1×6)

Associative property is defined as, when more than two numbers are added or multiplied, the result remains the same, irrespective of how they are grouped.

This means that if a,b,c are real numbers then a×(b×c)=b×(a×c)

using the associative property,1×(3×6)= 3×(1×6)

To verify the statement,let's find out

solving the parentheses first

1×(3×6)=1×18= 18

3×(1×6)= 3×6= 18

this means that 1×(3×6) and 3×(1×6) are associative

therefore 1×(3×6)=3×(1×6)

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Answer:

D

Step-by-step explanation:

[tex]m\angle EBD=33^{\circ} \implies m\angle EBC=33^{\circ} \\ \\ \therefore m\angle DBC=m\angle EBD+m\angle EBC=66^{\circ} \\ \\ m\angle DBC=66^{\circ} \implies m\angle ABD=66^{\circ} \\ \\ \therefore m\angle ABC=m\angle ABD+m\angle DBC=132^{\circ}[/tex]

The number of dinners that should be prepared to maximize profit is 1200.

The maximum profit is $1040

We know that,

y = ax²+ bx + c

The expression has the greatest value at x = -b/2a

From the question, we have

y=-0.001x² +2.4x-400

x = -b/2a

= -2.4/2*(-0.001)

=1200

substituting the value  we get

y=-0.001x² +2.4x-400

y=-0.001*1200² +2.4*1200-400

y=$1040

Multiplication:

Finding the product of two or more numbers in mathematics is done by multiplying the numbers. It is one of the fundamental operations in mathematics that we perform on a daily basis. Multiplication tables are the main use that is obvious. In mathematics, the repeated addition of one number in relation to another is represented by the multiplication of two numbers. These figures can be fractions, integers, whole numbers, natural numbers, etc. When m is multiplied by n, either m is added to itself 'n' times or the other way around.

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keeping in mind that perpendicular lines have negative reciprocal slopes, let's check for the slope of the equation above

[tex]0.\underline{25}\implies \cfrac{25}{1\underline{00}}\implies \cfrac{1}{4} \\\\[-0.35em] ~\dotfill\\\\ y=0.25x-7\implies y=\stackrel{\stackrel{m}{\downarrow }}{\cfrac{1}{4}}x-7\qquad \impliedby \begin{array}{|c|ll} \cline{1-1} slope-intercept~form\\ \cline{1-1} \\ y=\underset{y-intercept}{\stackrel{slope\qquad }{\stackrel{\downarrow }{m}x+\underset{\uparrow }{b}}} \\\\ \cline{1-1} \end{array} \\\\[-0.35em] ~\dotfill[/tex]

[tex]\stackrel{~\hspace{5em}\textit{perpendicular lines have \underline{negative reciprocal} slopes}~\hspace{5em}} {\stackrel{slope}{\cfrac{1}{4}} ~\hfill \stackrel{reciprocal}{\cfrac{4}{1}} ~\hfill \stackrel{negative~reciprocal}{-\cfrac{4}{1}\implies -4}}[/tex]

so we're really looking for the equation of a line whose slope is -4 and it passes through (-6 , 8)

[tex](\stackrel{x_1}{-6}~,~\stackrel{y_1}{8})\hspace{10em} \stackrel{slope}{m} ~=~ - 4 \\\\\\ \begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-\stackrel{y_1}{8}=\stackrel{m}{- 4}(x-\stackrel{x_1}{(-6)}) \implies y -8= -4 (x +6) \\\\\\ y-8=-4x-24\implies {\Large \begin{array}{llll} y=-4x-16 \end{array}}[/tex]

The difference in the amount of money earned by Beth and Bartley is $40.25.

Given that, Beth makes $10.25/hour and Bartley makes $11.50 an hour.

The unitary method is a technique for solving a problem by first finding the value of a single unit, and then finding the necessary value by multiplying the single unit value.

If Beth worked for 23 hours

Money earned by Beth is

10.25×23=$235.75

If Bartley worked for 17 hours

Money earned by Bartley is

11.50×17 =$195.5

So, difference of money = 235.75-195.5

= $40.25

Hence, the difference in the amount of money earned by Beth and Bartley is $40.25.

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The measure of central angle is 45°

Here, arc length S = 5π/4

radius r = 5

We need to find central angle θ

Using the formula of arc length,

S = r * θ

5π/4 = 5 * θ

θ = π/4

θ = 45°

Therefore, the measure of central angle is 45°

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Answer: This is a 1 by 5 rectangle

perimeter = 12 units

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

Work Shown:

Label the vertices A,B,C,D

A =  (1, 4)

B = (1, 5)

C = (6, 5)

D = (6, 4)

The x coordinates of points A and B are the same (x = 1). The difference in y values of these points is 5-4 = 1 unit. This is the height of the rectangle. In other words, it's the length of segment AB.

Points B and C have the same y coordinate (y = 5). The difference in x value is 6-1 = 5 which is the horizontal length of the rectangle. This is the length of segment BC.

In short, this is a 1 by 5 rectangle. It's one unit tall and five units across.

--------

Perimeter = 2*(length+width)

Perimeter = 2*(5+1)

Perimeter = 2*6

Perimeter = 12 units

Or you can add up the four sides (1,5,1 and 5) to get the same result.

The subject of the equation is x and it can be written as x = t/6.

Calculating the value of the unknown variable while keeping the equation balanced on both sides is the process of solving equations. The equation's solution is the value of the variable for which the equation is true. An equation remains the same even when the LHS and RHS are flipped. The solution is discovered after isolating the variable for which the value must be determined. Depending on the kind of equation we are dealing with, we can solve it. There are various types of equations, including linear, quadratic, rational, and radical ones.

The given equation is

6x = t

Divide both sides by 6

6x/ 6 = t/ 6

x = t/ 6

So, the subject of the equation is x - t/6.

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Answer:

Step-by-step explanation:

The probability of no defects with 2% rate of defects:

Probability of exactly one defect:

Probability of one or no defects:

This indicates that:

The probability that this whole shipment will be accepted is 72.39%.

Answer:

  4.  121,800

  5.  591 3/32

  6.  1/4

Step-by-step explanation:

You want the sum of the first 200 terms of the arithmetic sequence starting 12, 18, 24, ....

The sum of the first n terms of an arithmetic sequence is given by the formula ...

  Sn = (2·a1 +d(n -1))(n/2)

where a1 is the first term and d is the common difference. Your sequence has first term 12 and common difference 18-12 = 6. The desired sum is ...

 S200 = (2·12 +6(200 -1))/(200/2) = (24 +1194)(100) = 121,800

You want the sum of the first 8 terms of the geometric sequence starting 12, 18, 27, ....

The sum of the first n terms of a geometric sequence is given by the formula ...

  Sn = a1·(r^n -1)/(r -1)

where a1 is the first term and r is the common ratio. Your sequence has first term 12 and common ratio 18/12 = 3/2. The desired sum is ...

  S8 = 12·((3/2)^8 -1)/(3/2 -1) = 24·6305/256 = 591 3/32

For this sequence, a1 = 1/12 and r = 2/3. When the sum is infinite and |r| < 1, the sum formula becomes ...

  S = a1/(1 -r)

The desired sum is ...

  S = (1/12)/(1 -2/3) = (1/12)/(4/12) = 1/4

Answer:

[tex]\textsf{4.} \quad 121,800[/tex]

[tex]\textsf{5.} \quad \dfrac{18915}{32}=591.09375[/tex]

[tex]\textsf{6.} \quad \dfrac{1}{4}[/tex]

Step-by-step explanation:

[tex]\boxed{\begin{minipage}{7.3 cm}\underline{Sum of the first $n$ terms of an arithmetic series}\\\\$S_n=\dfrac{1}{2}n[2a+(n-1)d]$\\\\where:\\\phantom{ww}$\bullet$ $a$ is the first term. \\ \phantom{ww}$\bullet$ $d$ is the common difference.\\ \phantom{ww}$\bullet$ $n$ is the position of the term.\\\end{minipage}}[/tex]

Given arithmetic sequence:

The first term of the given sequence is 12.

The common difference can be found by subtracting the first term from the second term:

[tex]\implies d=a_2-a_1=18-12=6[/tex]

Therefore:

To find the sum of the first 200 terms, substitute n = 200, a = 12 and d = 6 into the formula:

[tex]\begin{aligned}S_{200}&=\dfrac{1}{2}(200)[2(12)+(200-1)(6)]\\&=100[24+(199)(6)]\\&=100[24+1194]\\&=100[1218]\\&=121800\end{aligned}[/tex]

[tex]\boxed{\begin{minipage}{7.3 cm}\underline{Sum of the first $n$ terms of a geometric series}\\\\$S_n=\dfrac{a(1-r^n)}{1-r}$\\\\where:\\\phantom{ww}$\bullet$ $a$ is the first term. \\ \phantom{ww}$\bullet$ $r$ is the common ratio.\\ \phantom{ww}$\bullet$ $n$ is the position of the term.\\\end{minipage}}[/tex]

Given geometric sequence:

The first term of the given sequence is 12.

The common ratio can be found by dividing the second term by the first term:

[tex]\implies r=\dfrac{a_2}{a_1}=\dfrac{18}{12}=1.5[/tex]

Therefore:

To find the sum of the first 8 terms, substitute n = 8, a = 12 and r = 1.5 into the formula:

[tex]\begin{aligned}\implies S_{8}&=\dfrac{12(1-1.5^8)}{1-1.5}\\\\&=\dfrac{12\left(1-\frac{6561}{256}\right)}{-0.5}\\\\&=\dfrac{12\left(-\frac{6305}{256}\right)}{-0.5}\\\\&=\dfrac{-\frac{18915}{64}}{-0.5}\\\\&=\dfrac{18915}{32}\\\\&=591.09375\end{aligned}[/tex]

[tex]\boxed{\begin{minipage}{5.5 cm}\underline{Sum of an infinite geometric series}\\\\$S_{\infty}=\dfrac{a}{1-r}$\\\\where:\\\phantom{ww}$\bullet$ $a$ is the first term. \\ \phantom{ww}$\bullet$ $r$ is the common ratio.\\\end{minipage}}[/tex]

Given geometric sequence:

The first term of the given sequence is ¹/₁₂.

The common ratio can be found by dividing the second term by the first term:

[tex]\implies r=\dfrac{a_2}{a_1}=\dfrac{\frac{1}{18}}{\frac{1}{12}}=\dfrac{2}{3}[/tex]

Therefore:

To find the sum of the infinite geometric sequence, substitute a = ¹/₁₂ and r = ²/₃ into the formula:

[tex]\begin{aligned}\implies S_{\infty}&=\dfrac{\frac{1}{12}}{1-\frac{2}{3}}\\\\&=\dfrac{\frac{1}{12}}{\frac{1}{3}}\\\\&=\dfrac{1}{12} \times \dfrac{3}{1}\\\\&=\dfrac{3}{12}\\\\&=\dfrac{1}{4}\end{aligned}[/tex]

The perimeter of the given rectangular room is found as -

Part a: p = 11 m.

Part b: p = 46 m.

As, given in the question-

The rectangular room has-

l m long and b m wide,

perimeter p, where p = 2l+2b  ...eq 1

Part a: perimeter of a room for, 3.5 m long and 2 m wide.

Put l = 3.5  and b = 2 in  eq 1.

p = 2l+2b

p = 2(3.5) +2(2)

p = 7 + 4

p = 11 m.

Part b: perimeter of a room for, 20 m long and 3 m wide.

Put l = 20  and b = 3 in  eq 1.

p = 2(20) +2(3)

p = 40 + 6

p = 46 m.

Thus, the perimeter of the given rectangular room is found as 46m.

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Hence its proven that f and g are inverse of one another

What is a Function?

A function in mathematics from a set X to a set Y allocates exactly one element of Y to each element of X. The sets X and Y are collectively referred to as the function's domain and codomain, respectively.

Given,

f(x)= 2x-3/2

g(x)= 2x+3/2

Step 1: show that fog=x

f(g(x))

[2((2x + 3) / 2) - 3]/2

[(2x + 3) - 3] / 2

(2x + 3 - 3) / 2

2x / 2

x , which is equals to x

Now, for Step 2: gof = x

g(f(x))

g((2x - 3)/2)

[2((2x - 3)/2) + 3]/2

[(2x - 3) + 3]/2

(2x - 3 + 3)/2

2x/2

x , which is equals to x

Since, both fog(x) and gof(x) equals to x

Hence, its proven that f and g are inverse of one another

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Answer:

least

- 1/4 ft

- 14 3/4 ft

- 15 1/2 ft

- 20 3/5 ft

greatest

Answer:

- 20 3/5 ft

- 15 1/2 ft

- 14 3/4 ft

- 1/4 ft

I the number is larger looking but have a negative symbol, then it is smaller.

For example, -1 is greater than -6. Also -1/4 is greater than -20 3/5.

Trust me, I am a year ahead in school, so trust me.

I hope this helped.

The probability that three cards have the same number, using the hypergeometric distribution, is of:

0.0448 = 4.48%.

The probability mass function for the hypergeometric distribution is defined 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 below:

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

N = 28, k = 4, n = 5, x = 3.

Hence for one color, the probability that three cards have the same number is:

[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 = 3) = h(3,28,5,4) = \frac{C_{4,3}C_{24,2}}{C_{28,5}} = 0.0112[/tex]

There are four colors, hence the probability is:

p = 4 x 0.0112 = 0.0448 = 4.48%.

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Answer: 1/8x - 5/6

Step-by-step explanation:

Let's move the similar terms of the problem together.

So first we have:

-3/4x + 7/8x

And then we have:

-1/3 - 1/2

So to add/subtract fractions, the denominators have to be equal. We can change the -3/4 into -6/8 by just multiplying by 2/2 which is just 1. (Anything multiplied by 1 is just itself). So then we have:

-6/8x + 7/8x ---> 1/8x

Next, the second part.

Since neither denominators (3 or 2) can turn into one another by multiplying them with a number, we'll just multiply them with the opposite denominator.
So then we have:

-1/3 * (2/2) = -2/6
-1/2 * (3/3) = -3/6

-2/6 - 3/6 = -5/6

So finally we have:

1/8x - 5/6

Answer:

1.7

Step-by-step explanation:

[tex]\frac{17 \text{ in}}{10 \text{ hr}}=1.7[/tex] in/hr

Answer:

$1598

Step-by-step explanation:

1st week

4*15=60

32*9=288

59*3=177

60+177+288=525

2nd week

5*15=75

59*7=413

32*4=128

75+413+128=616

3rd week

8*15=120

3*59=177

5*32=160

120+177+160=457

525+616+457=$1598

Answer:

Slope = -2

Y-intercept = -8

Step-by-step explanation:

Hello!

Slope-Intercept Form: y = mx + b

The m variable in this equation would be -2, and it is also the slope of the equation.

The b variable in this equation is -8, which is the y-intercept of the equation.

Answer:

y intercept -8

slope -2

Step-by-step explanation:

y = -2x-8

This is written in slope intercept form

y = mx+b

The slope is m  which is -2

The y intercept is b which is -8

Answer:

7.

[tex] \frac{1}{4} [/tex]

8.

[tex]2[/tex]

9.

[tex] - \frac {5}{4} [/tex]

10.

[tex]3[/tex]

Step-by-step explanation:

rate of change is slop

Answer:

Option 1. It is positive and increasing.

Step-by-step explanation:

The 99% confidence interval for the mean length of stay for patients with abdominal surgery is 5.54, 7.66

We have the following data to solve the question with

sample size = 17

standard deviation s = 1.5

Confidence interval = 99%

mean = 6.6 days

α = 1 - 0.99

= 0.01

df = degree of freedom = n -1  

17 - 1 = 16

tα/2 = 0.01 / 2

=  t 0.005, 16

t critical value = 2.9208

99 % confidence interval =

X ± t critical * s/√n

[tex]6.6 +-2.9208 * \frac{1.5}{\sqrt{17} }[/tex]

6.6 ± 1.0626

6.6 - 1.0626, 6.6 + 1.0626

= 5.54, 7.66

The 99% confidence interval for the mean length of stay for patients with abdominal surgery is 5.54, 7.66

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