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Reika [66]
3 years ago
13

drew a shopping on amazon.com on a Black Friday he purchased five DVDs all at the same price the tax on the purchase was 6 dolla

rs bringing the total cost to 61 dollars what was the price of each DVD
Mathematics
2 answers:
Helen [10]3 years ago
8 0
First you need to take away the tax so 61 - 6 = 55
He bought 5 dvds so 55 ÷ 5 = 11
Each DVD was 11 dollars.
bekas [8.4K]3 years ago
6 0
61 - 6 = 55  
55 / 5 = 11  
The DVD's costed $11each.
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Find the slope of the described line by x - 6y = -12​
Simora [160]

Answer:

Slope <em>m</em> = 1/6

General Formulas and Concepts:

<u>Pre-Algebra</u>

  • Equality Properties

<u>Algebra I</u>

Standard Form: Ax + By = C

Slope-Intercept Form: y = mx + b

  • m - slope
  • b - y-intercept

Step-by-step explanation:

<u>Step 1: Define</u>

x - 6y = -12

<u>Step 2: Rearrange</u>

<em>Find slope-intercept form.</em>

  1. Subtract <em>x</em> on both sides:                    -6y = -x - 12
  2. Divide -6 on both sides:                      y = 1/6x + 2

<u>Step 3: Break Function</u>

<em>Identify Parts.</em>

Slope <em>m</em> = 1/6

y-intercept <em>b </em>= 2

8 0
3 years ago
Find all derivatives of y^n of the function y=√x+5
quester [9]

Hello,

As somebody has distroyed my question, (may be he have not understood ?)

i will reply to y=(√x)+5

\displaystyle \boxed{\dfrac{d^n y}{dx^n} =(-1)^n*n!! *\dfrac{1}{2^n} *x^{-\frac{2n+1}{2} }\\}\\y'=\dfrac{1}{2} *x^{-\frac{1}{2}} \\\\y''=-\dfrac{1}{4} *x^{-\frac{3}{2}} \\...\\

3 0
3 years ago
For some event A, what does it mean if P(A)= 0.84?
Aleksandr [31]

Answer:

The probability of A happening is 84 percent

3 0
3 years ago
Which of the following characteristics describe the graph of an exponential function?
Aleonysh [2.5K]

Answer:

A GENERAL NOTE: CHARACTERISTICS OF THE GRAPH OF THE PARENT FUNCTION

f

(

x

)

=

b

x

An exponential function with the form

f

(

x

)

=

b

x

,

b

>

0

,

b

≠

1

, has these characteristics:

one-to-one function

horizontal asymptote:

y

=

0

domain:

(

−

∞

,

∞

)

range:

(

0

,

∞

)

x-intercept: none

y-intercept:

(

0

,

1

)

increasing if

b

>

1

decreasing if

b

<

1

Step-by-step explanation:

hope it helps you

6 0
2 years ago
A scarf is a triangle with two perpendicular sides that are the same length which two terms describe a triangular scarf
Fittoniya [83]

Answer:

A triangular scarf is an isosceles right triangle.

Step-by-step explanation:

Given: A scarf is a triangle with two perpendicular sides that are the same length.

We have to name which two terms describe a triangular scarf.

Isosceles triangle is a triangle with length of two of its sides equal.

Right angled triangle is a triangle in which one angle is a right angle.

Given :

The two sides of scarf are perpendicular to each other.

Thus, the angle formed between them is 90°. Hence, right angled triangle.

Also, length of two sides are same, Hence isosceles triangle.

Thus,a triangular scarf is an isosceles right triangle.

 

6 0
3 years ago
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