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ryzh [129]
3 years ago
5

How to solve including answer; 9r^2 +30r +25=0 by factoring

Mathematics
1 answer:
Stella [2.4K]3 years ago
7 0
You would is this case use the perfect square rule. So your would squareroot 9r^2 and 25 to get 3r+5 then you would square this equation to get (3r+5)^2
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Answer:

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5

(e) What is the ratio of lamps that cost less than $40 to lamps that cost more than $40? Write the ratio in the simplest form.

{for less} - (12,49)   {for more} - (49,78)

Step-by-step explanation:

hope I helped if it's wrong tell me

~Ally

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2 years ago
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3 years ago
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maksim [4K]

Answer:

$13.50

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7 0
2 years ago
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4 0
3 years ago
Solve this equation: -7x + 12 – 2x = 23 + 13.0
LiRa [457]

Answer:

Step-by-step explanation:

We can combine the -7x and the -2x and the left side to get -9x and the 23 and 13 on the right side to get 36.

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3 years ago
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