3 years ago

Find an expression for c that will make 9x2 + 12xy +c aperfect square trinomial

1 answer:

4 0

Answer: To find the value , divide the coefficient of by and square the result.

Step-by-step explanation:Use the formula ( b 2 ) 2 in order to create a new term in order to find the perfect square trinomial.

9 x 2 − 12 x + c + 4

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A swim coach has at most $800 to buy equipment for the swim team. Each pull buoy costs $5.50 and each kickboard costs $10. Let x

MissTica

Answer:

5.50x+10y≤800

Step-by-step explanation:

The pull bouys are $5.50 each (5.50x)

The kickboards are $10 each (10y)

And the words "at most" mean less than or equal to

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4 years ago

Somebody help with both questions

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1. X=5
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3 years ago

WILL MARK BRAINLIEST IF CORRECT!!!!!!!!!!!!!!!!!!!!

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Answer:

4000 times

Step-by-step explanation:

The numbers from 1 to 9999 can be shown in the form of:

3xyz, x3yz, xy3z. xyz3

Each of x, y, z represent the digits from 0 to 9, so 10 ways each.

For each of the forms we have:

10*10*10 = 1000 ways and

Total of:

1000*4 = 4000 ways

By the way this is applicable to any digit.

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3 years ago

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Read 2 more answers

Factor cot^2x-cotx-42

tankabanditka [31]

Step-by-step explanation:

cot²x − cot x − 42

(cot x − 7) (cot x + 6)

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