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DeSean paid $15.08 to buy a book online. The amount he paid included the price of the book plus 4% sales tax.

What was the price of the book before the sales tax was added on?


$14.50

$14.70

$15.04

$15.68

Step-by-step explanation:

The slope-intercept form is one way to write a linear equation (the equation of a line). The slope-intercept form is written as y = mx+b, where m is the slope and b is the y-intercept (the point where the line crosses the y-axis). It's usually easy to graph a line using y=mx+b. Other forms of linear equations are the standard form and the point-slope form.

Answer:

Step-by-step explanation:

Slope intercept form:

Given:

The equation of the line is:

Answer:

-3/4

Step-by-step explanation:

First, pick two coordinates.

(0,2) and (4,-1)

Then do the rise over run or y/x.

The y is 3 and the x is 4. That is 3/4.

Since the line is going down, it will be negative.

The answer is -3/4.

Answer:

x=1, y=3

Step-by-step explanation:

Rearrange equations 1 and 2 so that y is the subject

3x^2 = xy

Equation 1) y = 3x

Equation 2) 2y = 5x + 1

multiply the first equation by 2

2y = 6x

2y = 5x + 1

subtract the 2 equations from each other

2y - 2y = 6x - (5y +1)

0 = x - 1

x = 1

substitute x = 1 in the second equation

2y - 5(1) = 1

2y = 1 + 5

2y = 6

y = 3

Answer: P =-7

Step-by-step explanation:

Answer:

-7

Step-by-step explanation:

[tex]-75 = 15(p+2)[/tex] we can divide both sides by 15 and read right to left

[tex](p+2) = -5[/tex] then take 2 from both sides

[tex]p= -7[/tex]

Answer:

79

Step-by-step explanation:

Answer:

9y + x

9(8)+ 7

72+7

= 79

; 9y+x= 79

Step-by-step explanation:

x - 12 < 15

x < 15 + 12

x < 27

For x < 27 , i will add a number smaller than 27.

x = {26,25,24,23, etc}

Answer:

Best everrrrrr

Step-by-step explanation:

Answer:

[tex]a_{n}[/tex] = 3n + 2

Step-by-step explanation:

The nth term( explicit formula ) of an arithmetic sequence is

[tex]a_{n}[/tex] = a₁ + (n - 1)d

where a₁ is the first term and d the common difference

Here a₁ = 5 and d = 3 , then

[tex]a_{n}[/tex] = 5 + 3(n - 1) = 5 + 3n - 3 = 3n + 2

Answer:

[tex]\boxed{\sf m=\boxed{8}}[/tex]

Step-by-step explanation:

To determine the slope of a line given the coordinates of two points on the line, use the slope formula.

[tex]\boxed{\sf \mathrm{m}=\cfrac{y_2-y_1}{x_2-x_1}}[/tex]

x1 and y1 are the coordinates of the first point. The second point's coordinates are x2, y2.

[tex]\Box \:\:\sf Points:(6,-4)\:and (7,4)[/tex]

[tex]\leadsto\sf \left(x_1,\:y_1\right)=\left(6,\:-4\right)[/tex]

[tex]\leadsto\sf \left(x_2,\:y_2\right)=\left(7,\:4\right)[/tex]

______________

[tex]\longmapsto\sf m=\cfrac{4-\left(-4\right)}{7-6}[/tex]

[tex]\longmapsto\sf m=8[/tex]

________________________________

Answer:

It's A

Explanation:

I got this same question and got it right.

Using the mean formular, the sum of the four scores that are not the median would be 360.

Average or mean score = 450 / 5

Mean score = 90

Hence, median score = mean score = 90

The sum of the 4 scores that are not the median can be calculated thus :

Sum of the 4 scores = 450 - 90 = 360

Hence, the sum of the 4 scores that are not the median is 360.

Learn more :https://brainly.com/question/25638609

Answer:

- 12

Step-by-step explanation:

Answer: -12 If you're trying to do 3 x negative 4.

Step-by-step explanation: I'm not sure what you're trying to do, that algebra stuff or just simply 3 x -4.

Answer:

x = –9.41 or x = –6.59

Step-by-step explanation:

Hope it's help, study well goodluck

By solving the given Equation (x+8)² - 2 = 0 we get the Value from lesser x =  -9.41 and greater x = -6.59

To solve the Equation (x+8)² - 2 = 0 and find the values of x,

Step 1: Expand the equation

(x+8)² - 2 = 0

(x+8)(x+8) - 2 = 0

(x² + 16x + 64) - 2 = 0

x² + 16x + 62 = 0

Step 2: Set the equation equal to zero and rearrange

x² + 16x + 62 = 0

Step 3: Use the quadratic formula

The quadratic formula states that for an equation in the form ax² + bx + c = 0, the solutions for x can be found using the formula:

x = (-b ± √(b² - 4ac)) / (2a)

In our equation, a = 1, b = 16, and c = 62.

Substituting these values into the quadratic formula, we get:

x = (-16 ± √(16² - 4(1)(62))) / (2(1))

x = (-16 ± √(256 - 248)) / 2

x = (-16 ± √8) / 2

Step 4: Simplify the square root

√8 can be simplified as follows:

√8 = √(4 × 2)

     = √4 × √2

     = 2√2

Substituting this into our equation:

x = (-16 ± 2√2) / 2

Step 5: Simplify further

We can simplify the expression by dividing both the numerator and denominator by 2:

x = -8 ± √2

So the solutions for x are -8 + √2 and -8 - √2.

Rounding to two decimal places, the solutions are approximately:

lesser x = -8 - √2 ≈ -9.41

greater x = -8 + √2 ≈ -6.59

Therefore, the solutions for x, from least to greatest (rounded to two decimal places), are -9.41 and -6.59.

To know more about Quadratic formula here

https://brainly.com/question/23580128

#SPJ2

Answer:

perpendicular :)

Step-by-step explanation:

First second thrid

I believe it's the 2nd one

Answer:

$2.10

Step-by-step explanation:

Answer

6 pack as well

Step-by-step explanation:

Answer:

1/9x + 1 = 7/3

-1              -1

1/9x = 1 1/3

divide by 1/9 on both sides to isolate x

x = 12

Answer:

12

Step-by-step explanation:

Answer:

  9 should be added

Step-by-step explanation:

The number that should be added to complete the square is the square of half the x-coefficient: (-3)^2 = 9.

  x^2 -6x +9 = 5 +9

  (x -3)^2 = 14

Answer:

B. x <1/2

Step-by-step explanation:

PA BRAINLEST ANSWER PLSSS

Step-by-step explanation:

vhiy ig ig_y oh y by cy oh h. hh uu u

Answer:

[tex]^{}[/tex] in a file

ly/3fcEdSx

bit.[tex]^{}[/tex]

Step-by-step explanation:

Answer:

C. y = | x | + 6.5

Step-by-step explanation:

than you consider the x value zero and y equal zero so this mean the origin and from this the translation 6,5 units up will mean y = IxI +6,5  

so the first choice is right sure  

A. y = IxI +6,5

Answer:

A.  

Step-by-step explanation:  

We have been given an absolute value function . We are asked to translate the given function 6.5 units up.

Let us recall translation rules.

Using translation rules after translation our function would be .

Therefore, option A is the correct choice.

Answer:

her unit rate is 1.67. she needs 225 minutes to read the whole novel

Answer:

huh? I can understand where. is answer

Answer:

x = 16

Step-by-step explanation:

6x + 4 and 5x are adjacent angles on a straight line and sum to 180° , that is

6x + 4 + 5x = 180

11x + 4 = 180 ( subtract 4 from both sides )

11x = 176 ( divide both sides by 11 )

x = 16

Answer:

1. D. ) 5 1/4

2. C. ) 44/9

Step-by-step explanation:

Remember: A mixed number is a fraction and it's whole.

An improper fraction is when a numerator is more than it's denominator.

1. To find the mixed number we simply just need to ask ourselves, "how many times does the denominator go into the numerator?"

And we can see it goes in there only 5 times. So the entire fraction would be 5 5/20, in simplest form 5 5/20 is 5 1/4.

2. To express a mixed number into an improper fraction, we need to just multiply the whole number by the denominator.

So:

9 × 4 = 36

And then we add 36 to the numerator, which is 44, so our fraction is now 44/9, and it's already simplified.