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yan [13]
3 years ago
5

What is the unit price of 12 gallons of gasoline that costs $39.48 ?

Mathematics
1 answer:
algol133 years ago
3 0

Answer:

$39.48 per gallon

Step-by-step explanation:

$39.48/16.8 = <u>2.35</u>

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Graph the ordered pairs for y = 3x + 3 using x={−2,  1, 2}
Maru [420]
ANSWER

See graph

EXPLANATION

We need to find the y-values for the ordered pairs by substituting the x-value in to the relation

when
x = - 2
y = 3( - 2) + 3

y = - 6 + 3

y = - 3

This gives the ordered pair
(-2,-3)

when
x = 1

.
y = 3(1) + 3

y = 3 + 3

y = 6
This also gives the ordered pair

(1,6)

when
x = 2
y = 3(2) + 3

.
y = 9

This also gives the ordered pair,
(2,9)

We now plot all the ordered pairs and draw a line through them.

7 0
2 years ago
Read 2 more answers
Carlota wrote the equation y + 1 = 2 (x - 3) for the line passing through the points (-1, 3) and (2, 9). Explain and correct her
Art [367]

For this case we have the following equation:


y + 1 = 2 (x - 3)

That can be rewritten in the form y = mx + b

Where:


  • m is the slope of the line
  • b is the cut point

So, we have:


y + 1 = 2 (x - 3)\\y + 1 = 2x-6\\y = 2x-6-1\\y = 2x-7

Where:


m = 2 is the slope


b = -7 is the cut point


Carlota has the following points:


(-1, 3) and (2, 9)


To know if the line y = 2x-7 passes through these points, we must replace them in the equation and the equality must be fulfilled. So:


Point (-1, 3):


Substituting:


3 = 2 (-1) -7\\3 = -2-7

3 = -9 It's false, equality is not met. The point (-1, 3) does not go through the line.


The equation written by Carlota is erroneous, the procedure to follow is:


Given(x1, y1) = (- 1, 3) and(x2, y2) = (2, 9), we find the slope:


m=\frac{(y2-y1)}{(x2-x1)}

m=\frac{(9-3)}{(2-(-1))}

m=\frac{6}{3}

m=2

We observe that the slope found by Carlota is the same. Let's see cut point "b". For this we substitute any of the points given in the equation:


y = 2x + b

Substituting (2,9) we have:


9 = 2 (2) + b\\9 = 4 + b\\b = 9-4\\b = 5

Thus, Carlota's error was at the cut-off point. The correct equation of the line that passes through the given points is y = 2x + 5

Answer:


The correct equation of the line that passes through the given points is y = 2x + 5

Carlota's mistake was at the cutoff point


5 0
2 years ago
34 + 3 ⋅ 5 = ____. (Input whole numbers only.) Numerical Answers Expected!
vladimir2022 [97]

[ Answer ]

\boxed{49}

[ Explanation ]

34 + 3 · 5 = _____

Parenthesis

Exponents

Multiply

Divide

Add

Subtract

Multiply

3 * 5 = 15

Add

34 + 15

Final Answer

49

\boxed{[ \ Eclipsed \ ]}

7 0
3 years ago
PLEASESEEEEEEE HELP WITH THIS TABLE
Darina [25.2K]

Answer:

A and B are correct

Step-by-step explanation:

It's asking what's true, so let me break this down for you.

If you look at the table, y has a row under the x row. Each of the boxes have numbers, and it's a so-called "pattern graph." A says, "The value of the function at x = 0 is y = 3." That means that the number 0 in the "x-row" has a 3 in the "y-row" (or below that number. That's all there is to it, and you just repeat this except different numbers, however... C and D aren't horizontal from each other so they are incorrect.

7 0
3 years ago
Quick anyone know the answer to this problem? Will give brainiest
natka813 [3]

Answer:

I think its b.

5 0
2 years ago
Read 2 more answers
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