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pogonyaev
3 years ago
9

Will give brainlist**** What is the slope-intercept equation for the cost of a sub at Fred’s Sub Shop?

Mathematics
1 answer:
Anuta_ua [19.1K]3 years ago
4 0

Answer:

c)y = 5x

Step-by-step explanation:

The intercept is where the lines crosses the y axis

It crosses at (0,0), so the y intercept is 0

(2,10) (4,20)  are two points on the line

We can find the slope by using

m = (y2-y1)/(x2-x1)

  (20-10)/(4-2)

  10/2

The slope is 5

The slope intercept form of the equation is y = mx +b

y= 5x+0

y= 5x

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You need to buy some chicken for dinner tonight. You found an ad showing that the store across town has it on sale for $2.89 a p
ASHA 777 [7]

Answer:

   1. Going to the close store is cheaper.

Step-by-step explanation:

The difference in the prices of chicken is 3.19 -2.89 = 0.30 per pound, so for 5 pounds of chicken, the far store offers a price that totals 5×$0.30 = $1.50 less.

The difference in travel distances is 8.4 -2.4 = 6 miles, so the total round-trip distance difference is 12 miles. The cost of gas is ...

  ($3.81 /gal)/(23 mi/gal) = $0.1656 /mi

so the cost of gas for the 12-mile longer trip would be

  12×$0.1656 ≈ $1.99

Traveling to the far store, you would spend $1.99 more on gas to save $1.50 on the price of chicken. Going to the close store is cheaper.

3 0
3 years ago
Anyone wanna talk im bored
Vinvika [58]

Answer:

im listening

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
How many real and complex roots exists for a polynomial?
solmaris [256]

Step-by-step explanation:

whenever a complex number is a root of a polynomial with real coefficients, its complex conjugate is also a root of that polynomial. as an example, we'll find the roots of the polynomial..

x^5 - x^4 + x^3 - x^2 - 12x + 12.

the fifth-degree polynomial does indeed have five roots; three real, and two complex.

7 0
3 years ago
Rewrite 7.25 as a mixed number in lowest terms.<br> 7 25/100<br> 7 2/5<br> 7 1/5<br> 7 1/4
Galina-37 [17]
<span>7.25 = 7 and 25/100 = 7 and 1/4</span>
4 0
4 years ago
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Use the given graph to determine the limit, if it exists. A coordinate graph is shown with a horizontal line crossing the y axis
Lesechka [4]

Answer:

The limit of the function does not exists.

Step-by-step explanation:

From the graph it is noticed that the value of the function is 6 from all values of x which are less than 2. At x=2, the line y=6 has open circle. It means x=2 is not included.

For x<2

f(x)=6

The value of the function is -3 from all values of x which are greater than 2. At x=2, the line y=-3 has open circle. It means x=2 is not included.

For x>2

f(x)=-3

The value of y is 1 at x=2, because of he close circles on (2,1).

For x=2

f(x)=1

Therefore the graph represents a piecewise function, which is defined as

f(x)=\begin{cases}6& \text{ if } x2 \end{cases}

The limit of a function exist at a point a if the left hand limit and right hand limit are equal.

lim_{x\rightarrow a^-}f(x)=lim_{x\rightarrow a^+}f(x)

The function is broken at x=2, therefore we have to find the left and right hand limit at x=2.

lim_{x\rightarrow 2^-}f(x)=6

lim_{x\rightarrow 2^+}f(x)=-3

6\neq-3

Since the left hand limit and right hand limit are not equal therefore the limit of the function does not exists.

6 0
3 years ago
Read 2 more answers
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