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Alex777 [14]
3 years ago
6

What is the slope of a line that is perpendicular to the line 2y – 3x = 8?

Mathematics
2 answers:
Blababa [14]3 years ago
4 0

Answer:

I got the answer -2/3

Step-by-step explanation:

Took the quiz,

vladimir1956 [14]3 years ago
3 0
Express the line in slope intercept form
this is done by making y the subject.
y = 3x/2 + 4
slope is 3/2
product of perpendicular lines is negative one
let me slope of the other line
m * 3/2 = - 1
m = - 2/3
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Step-by-step explanation:

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What is the positive root of the equation x2 + 5x = 150?
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The amount of radioactive element remaining, r, in a 100mg sample after d days is represented using the equation r=100(1/2) d/5.
Ludmilka [50]

Answer:

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4 0
3 years ago
3y=11-2x, 3x=y-11 linear equation solve using the algebraic method check solution
tamaranim1 [39]

Answer:

(x, y) = (- 2, 5)

Step-by-step explanation:

given the 2 equations

3y = 11 - 2x → (1)

3x = y - 11 → (2)

Rearrange (2) expressing y in terms of x

add 11 to both sides

y = 3x + 11 → (3)

Substitute y = 3x + 11 into (1)

3(3x + 11) = 11 - 2x

9x + 33 = 11 - 2x ( add 2x to both sides )

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11x = - 22 ( divide both sides by 11 )

x = - 2

Substitute x = - 2 in (3) for corresponding value of y

y = (3 × - 2) + 11 = - 6 + 11 = 5

As a check

substitute x = - 2, y = 5 into (1) and (2) and if the left side equals the right side then these values are the solution.

(1) :  left side = (3 × 5) = 15

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(2) : left side = (3 × - 2 ) = - 6

right side = 5 - 11 = - 6 ⇒ left = right

solution = (- 2, 5 )



5 0
3 years ago
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