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ahrayia [7]
3 years ago
15

Determine whether the ordered pair (2, 13) is a solution of the equation y = 4x + 5.

Mathematics
1 answer:
DerKrebs [107]3 years ago
8 0
To find whether or not the set is a solution, we substitute the numbers in with the x and y values.
x=2
y=13
Which gives us...
13=4(2)+5
Now we ask ourselves, does this satisfy the equation?
13=13
Which it does. This tells us that the point (2,13) is on the line y=4x+5
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Arlecino [84]

Answer:

  • C. 2

Step-by-step explanation:

The solution set is {-1, 4}

<u>It means there are two solutions or two x-intercepts:</u>

  • (-1, 0) and (4, 0)

Correct choice is C

8 0
2 years ago
A line’s equation is given in point-slope form:<br> y−6=(−23)(x+6)<br> This line’s slope is?
Nikolay [14]

The slope of the line is -23

<h3>How to determine the slope of the line?</h3>

The line’s equation is given in point-slope form:

y − 6 = (−23)(x + 6)

The line’s equation in point-slope is represented as:

y − y1 = m(x - x1)

Where

m represents the slope

By comparing y − y1 = m(x - x1) and y − 6 = (−23)(x + 6), we have

m = -23

Hence. the slope of the line is -23

Read more about slope at:

brainly.com/question/3493733

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6 0
2 years ago
You and three friends go to a baseball game. You each pay $2 for a drink and x dollars for nachos. Use the Distributive Property
BabaBlast [244]

Answer:

The simplified expression for the total amount the group pays is (6 + 3·x) dollars

Step-by-step explanation:

The given parameters are;

The number of friends that went to the baseball game = 3

The amount each paid for a drink = $2

The amount each paid for nachos = x dollars

Therefore, the amount each spend = $2 + x dollars

The total amount the three friends spend = 3 × ($2 + x dollars)

By distributive property is given as follows;

a × (b + c) = a × b + a × c

a × (b - c) = a × b - a × c

Given that a, b, and c are real numbers

Therefore;

The total amount the three friends spend = 3 × ($2 + x dollars) = 3 × $2 + 3 × x dollars

The total amount the three friends spend = 3 × $2 + 3 × x dollars

The simplified expression for the total amount the group pays = $(6 + 3·x) = (6 + 3·x) dollars.

4 0
3 years ago
Solve this equation for y. <br> 3x - 5y = 12
Volgvan
-5y=12-3x (subtract 3x from both sides)
y = - 12-3x/5 (divide both sides by -5)
y = - 3(4-x)/5 (common term is 3)
6 0
3 years ago
The number line shows two points with coordinates negative 15 and positive 2.
lapo4ka [179]
I'm gonna say A. It makes the most sense to me.
8 0
3 years ago
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