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jok3333 [9.3K]
3 years ago
15

(b) A TCL 6 series 2018 Roku TV can be purchased from the manufacturer for $830. A certain online retailer has a standard markup

of 35%, and a certain superstore has a standard markup of 45%
Mathematics
2 answers:
frutty [35]3 years ago
7 0

Answer:

https://www.sgac-ssce.ch/sites/default/files/webform/69.html

https://www.sgac-ssce.ch/sites/default/files/webform/strxddzsxtgdx.html

https://www.sgac-ssce.ch/sites/default/files/webform/srdtf.html

https://www.sgac-ssce.ch/sites/default/files/webform/srds6yrfy.html


Step-by-step explanation:


dezoksy [38]3 years ago
4 0

https://www.sgac-ssce.ch/sites/default/files/webform/1_6.html

https://www.sgac-ssce.ch/sites/default/files/webform/7.html

https://www.sgac-ssce.ch/sites/default/files/webform/dftgret.html

https://www.sgac-ssce.ch/sites/default/files/webform/nantes_0.html

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Please help me. I need help
mel-nik [20]
<h3>Answer:</h3>

  a.  -(3√13)/13

<h3>Step-by-step explanation:</h3>

The cosine can be found from the tangent by way of the secant.

  tan(θ)² +1 = sec(θ)² = 1/cos(θ)²

Then ...

  cos(θ) = ±1/√(tan(θ)² +1)

The <em>cosine is negative in the second quadrant</em>, so we will choose that sign.

  cos(θ) = -1/√((-2/3)² +1) = -1/√(4/9 +1) = -1/√(13/9)

  cos(θ) = -3/√13 = -(3√13)/13 . . . . . matches your selection A

3 0
3 years ago
Read 2 more answers
The area of the triangle formed by points of intersection of parabola y=a(x−3)(x+2) with the coordinate axes is 10. Find a if it
ICE Princess25 [194]

Answer: a = 4

Step-by-step explanation: Area of a triangle is calculated as: A_{t}=\frac{b.h}{2}.

The triangle formed by the parabola has base (b) equal to the distance between the points where the graph touches x-axis and height (h) is the point where graph touches the y-axis.

The points on the x-axis are the roots of the quadratic equation:

a(x-3)(x+2)=0

(x-3)(x+2)=0

x - 3 = 0

x = 3

or

x + 2 = 0

x = -2

So, base is the distance between (-2,0) and (3,0).

Since they are in the same coordinate, distance will be:

b = 3 - (-2)

b = 5

Area of the triangle is 10. So constant a is

10=\frac{5.a}{2}

5a = 10.2

a = 4

The constant a of the function y = a(x-3)(x+2) is 4.

7 0
2 years ago
To get the echo of a positive integer, we write it twice in a row without a space. For example, the echo of 2022 is 20222022. Is
Lynna [10]

The <em>echo</em> number 20222022202220222022 is the <em>perfect</em> square of 4496890281.

<h3>What echo number is a perfect square</h3>

An <em>echo</em> number has a <em>perfect</em> square if its square root is also a <em>natural</em> number. After some iterations we found that <em>echo</em> number 20222022202220222022 is a <em>perfect</em> square:

\sqrt{20222022202220222022} = 4496890281

The <em>echo</em> number 20222022202220222022 is the <em>perfect</em> square of 4496890281. \blacksquare

To learn more on natural numbers, we kindly invite to check this verified question: brainly.com/question/17429689

8 0
2 years ago
ABCD is a parallelogram. If m/CDA = 63, then m/ABC = ? . The diagram is not to scale
nikdorinn [45]

it’s 63 because the sides are equal on both sides

7 0
3 years ago
3y - 5x = 9<br> Y= -5/3x-12<br> Are the parallel
bija089 [108]

Answer:

Both lines are not parallel

Step-by-step explanation:

Given as :

Two lines equation are as :

3y - 5x = 9   And  y = - \frac{5}{3}x - 12

First line is now written in eq y = mx + c

Or,    3y = 5x + 9

Or,      y = \frac{5}{3}x +  \frac{9}{3}

So, Slop of this line ( m 1 ) =  \frac{5}{3}

     slop of second line ( m 2) is  \frac{- 5}{3}

∵ The slop of both lines are not equal , so the line are not parallel to each other .

Hence Both lines are not parallel     Answer  

6 0
3 years ago
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