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3 years ago

6

Which of these are unit ratesA square yard for every 100 grass seeds4 acres for 800 plants2 plants in a square foot6 plants in 1

square yard8 seeds per square foot25 trees per 25 square yards?

1 answer:

tiny-mole [99]3 years ago

8 0

2 plants in a square foot

6 plants in a square yard

8 seeds per square foot

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Rasek [7]

Answer:

3 and 28

Step-by-step explanation:

note ( $\frac{f}{g}$ )(x ) = $\frac{f(x)}{g(x)}$

$\frac{f(x)}{g(x)}$

= $\frac{x^2+2x-3}{x^2-9}$ and

( $\frac{f}{g}$ )(4) = $\frac{4^2+2(4)-3}{4^2-9}$ = $\frac{16+8-3}{16-9}$ = $\frac{21}{7}$ = 3

-------------------------------------------------------

(f + g)(x) = f(x) + g(x)

f(x) + g(x)

= x² + 2x - 3 + x² - 9 = 2x² + 2x - 12 and

(f + g)(4) = 2(4)² + 2(4) - 12 = 2(16) + 8 - 12 = 32 + 8 - 12 = 28

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Lerok [7]

Answer:

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Step-by-step explanation:

simple

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