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3 years ago

HELPPPP really quick

Mathematics

1 answer:

Reika [66]3 years ago

4 0

Answer:

y= 4 - 2/3 x, x= x

Step-by-step explanation: Substitute y=4 -2/3x [2x=12-3 (4-2/3x)]

Simplify: [2x=2x]

For y = 4- 2/3x

Expressing y in terms of x: y= 4 -2/3x

So the solutions to the system of Equations are: y = 4 - 2/3 x, x = x

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-7(2x-5)=-91 And I also need to do the check

ASHA 777 [7]

Answer: $the$ $answer$ $is$ $x=9$

Step-by-step explanation:

Divide both sides by the numeric factor on the left side, then solve.

$-7(2x-5)=-91$

8 0

3 years ago

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How many intersections are there of the graphs of the equations below?

kipiarov [429]

Answer:

The number of intersections = ∞

Step-by-step explanation:

Given the system of equations:

0.5 x + 5y = 6

3x + 30y = 36

By multiplying the first equation by 6

∴ 6 (0.5 x + 5y) = 6 * 6

∴ 3x + 30y = 36

So, Those equations are "Dependent", because they are really the same equation, just multiplied the first equation by 6.

So, the two equations are identical

Therefore: They have infinity number of solutions.

See the attached figure.

0.5 x + 5y = 6 ⇒ in black color

3x + 30y = 36 ⇒ in red color

6 0

3 years ago

35 + (15) + (-7) + 10

Thepotemich [5.8K]

The answer is 53.

35+15−7+10

=50−7+10

=43+10

=53

7 0

4 years ago

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Y=-1/3x-9 in standard form

Slav-nsk [51]

Answer:

x+3Y=−27

Step-by-step explanation:

hope this helped;-;

3 0

4 years ago

What equation can be used to solve x?

Elanso [62]

Answer:

Tan(40°)=19/x

Step-by-step explanation:

simple QUESTION

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3 years ago

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