3 years ago

What is y-8=3(x+1) written in standard form

1 answer:

6 0

Standard form of a linear equation is Ax + By = C, where A, B, C are constants.

So,
y-8 = 3(x+1)
y-8 = 3x + 3

substract 3 from both sides,
y-8-3 = 3x+3-3
y-11 = 3x

substract y from both sides,
y-y-11 = 3x-y
-11 = 3x-y

So, the standard form is 3x-y = -11

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Marta_Voda [28]

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3 years ago

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Find the slope of the line. <br><br> A. 1/3<br> B. - 1/3<br> C. 3<br> D. -3

BARSIC [14]

The formula of a slope:

$m=\dfrac{y_2-y_1}{x_2-x_1}$

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<h3>Answer: A. 1/3</h3>

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3 years ago

The diagram shows corresponding lengths in two similar figures. Find the ratio of the perimeters and the ratio of the areas.

yaroslaw [1]

I hope this helps you

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G=3t^2−5t+6<br><br> P=−8t^2+7t−9<br><br> G+P=

kotykmax [81]

Answer:

-5t^2 +2t -3

Step-by-step explanation:

Collect terms in the sum:

G+P = (3t^2 -5t +6) +(-8t^2 +7t -9) = (3-8)t^2 +(-5+7)t +(6-9)

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3 years ago

Cards are dealt, one at a time, from a standard 52-card deck. a if the first 2 cards are both spades, what is the probability th

ratelena [41]

So we already drew two cards and both of them are spades. So that means there are 50 cards and 11 spades left.

Then third card being spades would be 11 / 50

Now there are 10 spades and 49 cards left.
So the probability for fourth card would be 10 / 49

Fifth card would be 9 / 48.

So the probability of next three cards being spades would be
$\dfrac{11}{50}\cdot\dfrac{10}{49}\cdot\dfrac9{48}=\dfrac{33}{3920}\approx\boxed{0.00842}$

Hope this helps.

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3 years ago