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nordsb [41]
3 years ago
15

2.

Mathematics
1 answer:
ohaa [14]3 years ago
3 0

Answer:

3:25

Step-by-step explanation:

55=11*5

77=11*7

LCM = 11*7*5

   =385 min

therefore

9:00+6:25 = 15:25 i.e 3:25 in time

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Write the standard form of the line that passes through the given points. Include your work in your final answer. Type your answ
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2x - 3y = - 13

the equation of a line in standard form is

Ax + By = C ( A is a positive integer and B, C are integers )

First obtain the equation in slope-intercept form

y = mx + c ( m is the slope and c the y-intercept )

calculate m using the gradient formula

m = ( y₂ - y₁ ) / (x₂ - x₁ )

with (x₁, y₁ ) = (1, 5 ) and (x₂, y₂ ) = (- 2, 3 )

m = \frac{3-5}{-2-1} = \frac{-2}{-3}= \frac{2}{3}

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to find c substitute either of the 2 points into the partial equation

using (1, 5 ), then

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rearrange the equation into standard form

multiply through by 3

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2x - 3y = - 13 ← in standard form


3 0
3 years ago
Read 2 more answers
A variable needs to be eliminated to solve
lesya692 [45]

Answer:

(7, - 7 )

Step-by-step explanation:

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IrinaK [193]

Answer:

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2. Adjacent and formed a linear pair

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Step-by-step explanation:

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3 0
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ziro4ka [17]

Answer:

true

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