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3 years ago

5

F(t) = -2t + 5? I need help please

1 answer:

skad [1K]3 years ago

5 0

Answer:

t = 5/2 is the solution of this equation ....

plz mark my answer as brainlist plzzzz vote me also

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Mrs Smith has 12 times as many markers as color pencils the total number of markers and colored pencils is 78 how many markers d

yawa3891 [41]

<em>x = markers</em>
<em>y = colored pencils</em>

12x = y

x= 72
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Okay, so what I did was divide 78 by 12 (to find the number of colored pencils) which gave me 6.5. You can't have half a colored pencil, so I rounded the number down to get 6. To find the number of markers, I multiplied 12 and 6 <em>(12x = 6) </em>which gave me 72. To check my answer I added the two amounts, 72 + 6, which gave me 78.

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3 years ago

solniwko [45]

Answer:

$y = 1x - 4$

Step-by-step explanation:

You have to solve for the x intercept on the equation

$2x-5y=8\\2x-5(0)=8\\2x=8\\x=4\\(4,0)$

That is the x intercept for that equation.

Then solve for the y intercept on the equation

$4x-3y=12\\4(0)-3y=12\\-3y=12\\y=-4\\(0,-4)$

That is the x intercept for that equation.

Use that to find slope for point slope form

$\frac{y_{2}-y_{1}}{x_{2}-_{1}} \\\\\frac{-4-0}{0-4} \\\\\frac{-4}{-4} \\\\1$

1 is the slope

and slope makes B the y intercept so the equation is

$y = 1x - 4$

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