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3 years ago

HELP PLEASE ASAP !!!

Mathematics

1 answer:

Rom4ik [11]3 years ago

8 0

11.y= 300(12)
12. 300x2= 600=24 m so we need 150 more. well 300/2=150 and 12/2= 6 so 24+6=30 30Gal
13. 30x3.75= $112.50

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Simplify the given expression. (16x^2 + 15xy – 19y^2) – (3x^2 – 3xy)

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Answer:

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Step-by-step explanation:

Simplify the following:

16 x^2 + 15 x y - 19 y^2 - (3 x^2 - 3 x y)

Factor 3 x out of 3 x^2 - 3 x y:

16 x^2 + 15 x y - 19 y^2 - 3 x (x - y)

-3 x (x - y) = 3 x y - 3 x^2:

16 x^2 + 15 x y - 19 y^2 + 3 x y - 3 x^2

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-19 y^2 + 18 x y + (16 x^2 - 3 x^2)

16 x^2 - 3 x^2 = 13 x^2:

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»»————-　★　————-««

I believe your answer is:

Option A; $m \leq\frac{3}{5}$

»»————-　★　————-««

Here’s why:

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⸻⸻⸻⸻

$\boxed{\text{Solving for 'm':}}\\\\5m+1\leq4\\--------\\\rightarrow 5m + 1 - 1 \leq 4 - 1\\\\\rightarrow 5m\leq3\\\\\rightarrow \frac{5m\leq3}{5}\\\\\rightarrow \boxed{m\leq\frac{3}{5}}$

⸻⸻⸻⸻

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The option that is less than or equal to (3/5) is option A.

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»»————-　★　————-««

Hope this helps you. I apologize if it’s incorrect.

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Step-by-step explanation:

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