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inessss [21]
3 years ago
15

Answer please for x and y

Mathematics
1 answer:
notsponge [240]3 years ago
7 0
Add the equations together:
12x-12x-11y-5y=40+88
you get
-16y=128
divide y=128/-16
y=-8

then plug-8 for y back into either equation.
12x-11(-8)=88
12x+88=88
12x=0
x=0
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I need to know the new coordinates
a_sh-v [17]
A(1,2.5)
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8 0
3 years ago
On your math quiz, you earn 5 points for each question that you answer correctly. In the equation below, x represents the number
belka [17]

Answer:

Dependent variable: y because you get the points by doing the quiz.

Independent variable: x because you don’t know how many questions you answered correctly.

Total points you score: Unknown until you know how many you got right also the same as y.

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3 years ago
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The coordinates triangle ABC are A (0, 2), B (-2, 6), and C (4, 0). Find the slope of BC.
salantis [7]

In the given triangle, the slope of line BC is (C) -1.

<h3>What is the slope?</h3>

In mathematics, a line's slope, also known as its gradient, is a numerical representation of the line's steepness and direction.

A line's slope is how steeply it slopes from LEFT to RIGHT.

The slope of a line is determined by dividing its rise, or vertical change, by its run, or horizontal change.

No matter which two locations on the line you choose, the slope of a line is always constant (it never varies).

So, the slope of line BC:

Coordinates of BC are:

B: (-2, 6)

C: (4, 0)

Slope formula: m = y2-y1/x2-x1

Now, substitute the values and calculate as follows:

m = y2-y1/x2-x1

m = 0-6/4-(-2)

m = -6/6

m = -1

Therefore, in the given triangle, the slope of line BC is (C) -1.

Know more about slopes here:

brainly.com/question/29280886

#SPJ1

8 0
1 year ago
How to round to the nearest hundred
Andrews [41]
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3 years ago
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Simplify the expression:<br> 2+(a +5) =
nekit [7.7K]
Answer:

a+7

Step-by-step explanation:

2 + 5 = 7
7+a or a+7
6 0
3 years ago
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