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3 years ago

8

A sandwich store charges a $10 delivery fee, and $4.50 for each sandwich. If you were to graph the relationship, what will be th

e slope?

1 answer:

Bond [772]3 years ago

6 0

Answer:

$4.50

Step-by-step explanation:

y = 4.50x + 10

4.50x is slope

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One Endpoint is 9,18 and the midpoint is 14,16 what the other end point

Valentin [98]

$\bf \textit{middle point of 2 points }\\ \quad \\
\begin{array}{lllll}
&x_1&y_1&x_2&y_2\\
% (a,b)
&({{ 9}}\quad ,&{{ 18}})\quad 
% (c,d)
&({{ x}}\quad ,&{{ y}})
\end{array}\qquad
% coordinates of midpoint 
\left(\cfrac{{{ x_2}} + {{ x_1}}}{2}\quad ,\quad \cfrac{{{ y_2}} + {{ y_1}}}{2} \right)$

$\bf \left( \cfrac{x+9}{2}~,~\cfrac{y+18}{2} \right)=\stackrel{\textit{midpoint}}{(14,16)}\implies 
\begin{cases}
\cfrac{x+9}{2}=14\\\\
x+9=28\\
\boxed{x=19}\\
-------\\
\cfrac{y+18}{2}=16\\\\
y+18=32\\
\boxed{y=14}
\end{cases}$

7 0

3 years ago

Solve for x in the equation x2-12x+36=90

vazorg [7]

$x*2-12x+36=90

-10x+36=90

-10x+36-36=90-36

-10x=54

$
-10x/-10=54/-10
x=27/5
Hope this helps:)

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3 years ago

Please help quick!!!

hodyreva [135]

Answer:

I wanna say 35 \cm

Step-by-step explanation:

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3 years ago

the perimeter of a square is 20 ft if you increase the length of the square by 2 feet and decrease the width by 1ft what is the

IrinaVladis [17]

Answer:

28 ft squared

Step-by-step explanation:

The 4 sides of a square are equal in length, so if the perimeter is 20ft that means each side would have to be 5ft, (20/4 = 5). If you increase the length by 2ft, one of the sides would now become 7ft (5+2 = 7). If you decrease the length of the other side by 1ft, the length would now be 4ft (5-1=4). Now to find the area, all you have to do is length * width. So you would do 7ft*4ft which is 28ft squared.

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4 years ago

What is -10a to the 6th power over -9 simplified

densk [106]

Answer: 5/3(a)^6

Step-by-step explanation:

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3 years ago