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son4ous [18]
3 years ago
15

PLEASE HELPPP IM DUM ITS EASY MATH

Mathematics
2 answers:
Leni [432]3 years ago
8 0

Answer:

y = 3/2 x + 7

Step-by-step explanation:

Line intercept form =

Y = mx + b

m is the slope (rise over run) and b is the y intercept.

So what you want to first is get y by itself.

9x-6y = -42

-6y = -42 - 9x

y = 9/6 x + 7

y = 3/2 x + 7

Deffense [45]3 years ago
3 0

Answer:

If you are solving for x, x =

2 /3  y+  (−14/3)

If you are solving for y, y=

3/2x+7

Step-by-step explanation:

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Which ratio is incorrectly written in Olivia's conversion?
klasskru [66]

Answer:

Choice 3

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This is an extremely important procedure to know. Make sure you understand what the basis of it is. Often  times in higher physics, you don't have a proper relationships and this method (called dimensional analysis) is the only tool you have to work with.

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A builder needs to tile a 7ft by 8ft room with the 1 fr square tiles. How many tiles will she need?
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If a^2+1/a^2=79 where (a>0), find the value of a^3 +1/a^3
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Note the binomial expansion,

(<em>a</em> + 1/<em>a</em>)³ = <em>a</em> ³ + 3<em>a</em> + 3/<em>a</em> + 1/<em>a</em> ³

so

<em>a</em> ³ + 1/<em>a</em> ³ = (<em>a</em> + 1/<em>a</em>)³ - 3 (<em>a</em> + 1/<em>a</em>)

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(<em>a</em> + 1/<em>a</em>)² = <em>a</em> ² + 2 + 1/<em>a</em> ²

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