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2 years ago

Can someone help me please

Mathematics

1 answer:

xeze [42]2 years ago

4 0

9514 1404 393

Answer:

slope = 1

Step-by-step explanation:

In the attachment, we have shown rise and run as 3 units each. The segments could be drawn 1 unit long. In any event, the ratio is the slope:

slope = rise/run = 3/3

slope = 1

_____

It is most convenient to draw the rise and run segments from/to places where the line crosses grid intersections. Often, but not always, the y-intercept will be such a point. Then you can look for the nearest grid crossing for figuring rise and run.

Here, the y-intercept is (0, 1), and the closest grid crossing to the right is (1, 2). The rise is 2-1 = 1, and the run is 1-0 = 1. The ratio is 1/1 = 1, same as above. The ratio of rise to run will be the same everywhere for a straight line.

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cluponka [151]

Answer:

Let x = number of gate tickets, ($1.50)

Since there were 600 tickets sold, let (600-x) = the $1 tickets

1.50 tickets + $1 tickets = $700

1.5x + 1(600 - x) = 700

1.5x - x = 700 - 600

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x = 100/.5

x = 200 ea 1.50 tickets sold at the gate

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Check: there were 600 - 200 = 400 ea $1 tickets sold

1.50(200) + 1(400) = $700

6 0

3 years ago

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Kay [80]

What do you want to calculate?

CALCULATE IT!
Solve
Graph
Lesson

Problem:
Solve
x
+
2
y
=
−
6
;
3
x
+
8
y
=
−
20
Steps:
I will solve your system by substitution.
(You can also solve this system by elimination.)
x
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−
6
;
3
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y
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−
20
Step: Solve
x
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2
y
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−
6
for x:
x
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y
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−
2
y
=
−
6
+
−
2
y
(Add -2y to both sides)
x
=
−
2
y
−
6
Step: Substitute
−
2
y
−
6
for
x
in
3
x
+
8
y
=
−
20
:
3
x
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y
=
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20
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(
−
2
y
−
6
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y
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20
2
y
−
18
=
−
20
(Simplify both sides of the equation)
2
y
−
18
+
18
=
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20
+
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2
y
=
−
2
2
y
2
=
−
2
2
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y
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−
1
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1
for
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in
x
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2
y
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x
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y
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6
x
=
(
−
2
)
(
−
1
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−
6
x
=
−
4
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Answer:
x
=
−
4
and
y
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3 years ago

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bekas [8.4K]

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3 years ago

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Answer:

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3 years ago

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6 0

3 years ago