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ehidna [41]
2 years ago
12

I need help on this answer

Mathematics
1 answer:
ipn [44]2 years ago
6 0

Answer:

12 edges

Step-by-step explanation:

Edges are lines that connect 2 corners/vertices
You told me to help so i did

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Write your answer as a decimal or whole number
Olin [163]

Answer:

4.3

Step-by-step explanation:whats the answers?

and what is the question

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3 years ago
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Which system or equation is represented in the graph?
melamori03 [73]

Answer:

(A)\displaystyle  \begin{array}  {ccc}  \displaystyle y =  - 2 \\ x - 2y = 6\\  \end{array}

Step-by-step explanation:

<h3>Equation of the blue line:</h3>

since the line is horizontal and passes <u>-</u><u>2</u> the equation of the blue line should be

\displaystyle \large y =  - 2

<h3>Equation of the red line:</h3>

remember The form of equation of a line

\displaystyle \boxed{ \displaystyle  y = mx + b}

where m is slope of the line and b is the y-intercept we can clearly see that the red line crosses y-axis at (0,-3) therefore b=-3

to figure out m we can consider the following formula:

\displaystyle m =  \frac{ \Delta y}{ \Delta x}

from the graph we acquire ∆y=1 and ∆x=2

thus substitute:

\displaystyle m =  \frac{ 1}{ 2}

so we have figured out m and b

therefore our equation of blue line is

\displaystyle y =  \frac{1}{2} x - 3

our given options are in standard form so

move -3 to left hand side and change its sign:

\displaystyle y  + 3=  \frac{1}{2} x

cross multiplication:

\displaystyle 2y  + 6=  x

move 6 to right hand side and x to left hand side and change its sign

\displaystyle - x +  2y   =  -  6

multiply both sides by -1:

\displaystyle x  -   2y   =   6

hence, our system of linear equation is

\displaystyle \begin{cases}   \displaystyle y =  - 2 \\ x - 2y = 6\\ \end{cases}

3 0
3 years ago
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tia_tia [17]

Answer:

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Step-by-step explanation:

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Please help need a 100!!!
kari74 [83]

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Factor out the pi times r

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(S- pi times r)/(pi times r) = l

The answer therefore is A

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Your athletic shoe department sold 135 thousand pairs of super sweet sneakers this year witch is 125% increase over last year sa
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1080 pairs of super sweet sneaker did you sell last year

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